[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-19 Thread guo xuelian
add grub file

** Attachment added: "System grub file"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1752350/+attachment/5083701/+files/grub.cfg

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Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Bionic:
  Fix Committed

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY ARRANGEMENT:
  (XEN)  Dom0 alloc.:   00012000->00012400 (952940 pages to be 
allocated)
  (XEN)  Init. ramdisk: 00012d251000->00012575
  

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-19 Thread guo xuelian
just comment, we are also meet this issue during testing Xen on Ubuntu18.04 
Beta1 on all of platform:
1. install Ubuntu 18.04
2. reboot
3. When I try to boot my virtual machine host using a xenial based Xen system 
(Xen 4.6, linux generic 4.4.0) it crashes immediately.
Expect Result:
on step3 we expect enter into system with Xen successfully.
Actual Result:
On step3, we failed enter into system with Xen.
Note: No matter boot by UEFI or Legacy mode, above issue reproduced. 

** Attachment added: "booting log"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1752350/+attachment/5083700/+files/xen.log

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Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Bionic:
  Fix Committed

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-12 Thread Alejandro Mery
thanks Joseph

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Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Bionic:
  Fix Committed

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY ARRANGEMENT:
  (XEN)  Dom0 alloc.:   00012000->00012400 (952940 pages to be 
allocated)
  (XEN)  Init. ramdisk: 00012d251000->00012575
  (XEN) VIRTUAL MEMORY ARRANGEMENT:
  (XEN)  Loaded kernel: 8100->82b69000
  (XEN)  Init. ramdisk: 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-12 Thread Joseph Salisbury
The 4.15.5 updates are in the Ubuntu 4.15.0-12 kernel, which is
scheduled for release on April 2nd, 2018.

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https://bugs.launchpad.net/bugs/1752350

Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Bionic:
  Fix Committed

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY ARRANGEMENT:
  (XEN)  Dom0 alloc.:   00012000->00012400 (952940 pages to be 
allocated)
  (XEN)  Init. ramdisk: 00012d251000->00012575
  (XEN) VIRTUAL MEMORY ARRANGEMENT:
  (XEN)  Loaded 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-10 Thread Alejandro Mery
@jsalisbury, when do you think it will be safe to `apt-mark unhold` the
kernel?

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https://bugs.launchpad.net/bugs/1752350

Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Bionic:
  Fix Committed

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY ARRANGEMENT:
  (XEN)  Dom0 alloc.:   00012000->00012400 (952940 pages to be 
allocated)
  (XEN)  Init. ramdisk: 00012d251000->00012575
  (XEN) VIRTUAL MEMORY ARRANGEMENT:
  (XEN)  Loaded kernel: 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-07 Thread Joseph Salisbury
The commit that fixes this bug is in upstream stable 4.15.5.  These
updates have  been applied to Bionic master-next.

** Changed in: linux (Ubuntu Bionic)
   Status: In Progress => Fix Committed

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Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Bionic:
  Fix Committed

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY ARRANGEMENT:
  (XEN)  Dom0 alloc.:   00012000->00012400 (952940 pages to be 
allocated)
  (XEN)  Init. 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-06 Thread Alejandro Mery
@jsalibury, your kernel fixed my domUs =)

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Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY ARRANGEMENT:
  (XEN)  Dom0 alloc.:   00012000->00012400 (952940 pages to be 
allocated)
  (XEN)  Init. ramdisk: 00012d251000->00012575
  (XEN) VIRTUAL MEMORY ARRANGEMENT:
  (XEN)  Loaded kernel: 8100->82b69000
  (XEN)  Init. ramdisk: 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-06 Thread Johannes Krude
@jsalibury, the Kernel you provided does successfully boot on Xen.

...
(XEN) Initial low memory virq threshold set at 0x4000 pages.
(XEN) Std. Loglevel: Errors and warnings
(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
(XEN) Xen is relinquishing VGA console.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen)
(XEN) Freed 460kB init memory
mapping kernel into physical memory
about to get started...
[0.00] Linux version 4.15.0-10-generic (root@kathleen) (gcc version 
7.3.0 (Ubuntu 7.3.0-5ubuntu1)) #11~lp1752350 SMP Mon Mar 5 08:26:15 UTC 2018 
(Ubuntu 4.15.0-10.11~lp1752350-generic 4.15.3)
[0.00] Command line: placeholder root=/dev/mapper/vg-xen--nfo--dom0 ro 
rootflags=data=journal console=hvc0 console=tty0 kgdboc=hvc0 early_printk=xen 
ignore_loglevel
...

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1752350

Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-06 Thread Alejandro Mery
I wanted to mention that installing v4.16-rc4 from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.16-rc4/ solved the
problem for me.

# uname -a
Linux de2 4.16.0-041600rc4-generic #201803041930 SMP Mon Mar 5 00:32:34 UTC 
2018 x86_64 x86_64 x86_64 GNU/Linux
# dmesg | grep Xen
...
[0.00] Hypervisor detected: Xen PV
[0.00] Setting APIC routing to Xen PV.
[0.00] Booting paravirtualized kernel on Xen
[0.00] Xen version: 4.9.0 (preserve-AD)
[0.004000] Xen: using vcpuop timer interface

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https://bugs.launchpad.net/bugs/1752350

Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-06 Thread Johannes Krude
I think I will find some time later today to try it out.

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Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY ARRANGEMENT:
  (XEN)  Dom0 alloc.:   00012000->00012400 (952940 pages to be 
allocated)
  (XEN)  Init. ramdisk: 00012d251000->00012575
  (XEN) VIRTUAL MEMORY ARRANGEMENT:
  (XEN)  Loaded kernel: 8100->82b69000
  (XEN)  

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-05 Thread Joseph Salisbury
@Johanns, does my test kernel fail for you as well?

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https://bugs.launchpad.net/bugs/1752350

Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY ARRANGEMENT:
  (XEN)  Dom0 alloc.:   00012000->00012400 (952940 pages to be 
allocated)
  (XEN)  Init. ramdisk: 00012d251000->00012575
  (XEN) VIRTUAL MEMORY ARRANGEMENT:
  (XEN)  Loaded kernel: 8100->82b69000
  (XEN)  Init. 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-05 Thread Alejandro Mery
Hi Joseph, I removed 4.15.0.11.12 and installed yours.

Linux de2 4.15.0-10-generic #11~lp1752350 SMP Mon Mar 5 08:26:15 UTC
2018 x86_64 x86_64 x86_64 GNU/Linux

when booting without Xen it works fine, but if I attempt to boot it as
dom0 is "hangs" ... not sure if it's worse or better than the automatic
reboot I had before. Unfortunately I can't get any useful output as it's
on a machine on a datacenter attached to a kvm. I see Xen's output until
it initialised the vCPUs and then it goes blank. I don't know how to get
useful output to post here in this case

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1752350

Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-05 Thread Alejandro Mery
@jsalisbury, I already have 4.15.0.11.12 installed... can you update
your test kernel please?

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1752350

Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY ARRANGEMENT:
  (XEN)  Dom0 alloc.:   00012000->00012400 (952940 pages to be 
allocated)
  (XEN)  Init. ramdisk: 00012d251000->00012575
  (XEN) VIRTUAL MEMORY ARRANGEMENT:
  (XEN)  Loaded kernel: 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-05 Thread Joseph Salisbury
I built a test kernel with commit 4f277295e54c5b7340e48efea3fc5cc21a2872b7.  
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1752350

Can you test this kernel and see if it resolves this bug?

Note, to test this kernel, you need to install both the linux-image and
linux-image-extra .deb packages.

Thanks in advance!

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https://bugs.launchpad.net/bugs/1752350

Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-03-05 Thread Joseph Salisbury
** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Also affects: linux (Ubuntu Bionic)
   Importance: High
   Status: Confirmed

** Changed in: linux (Ubuntu Bionic)
 Assignee: (unassigned) => Joseph Salisbury (jsalisbury)

** Changed in: linux (Ubuntu Bionic)
   Status: Confirmed => In Progress

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https://bugs.launchpad.net/bugs/1752350

Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY 

[Kernel-packages] [Bug 1752350] Re: Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

2018-02-28 Thread Johannes Krude
I can not run apport-collect on the affected system, since the kernel
crashes immediately.

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

-- 
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https://bugs.launchpad.net/bugs/1752350

Title:
  Bionic x86_64 Linux Kernel 4.15 fails to boot on Xen

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  The Linux Kernel 4.15 from bionic on x86_64 immediately crashes when
  booted as a dom0 under Xen.

  A similar bug was reported by someone else for archlinux
  (https://bugs.archlinux.org/task/57500).

  A patch exists for 4.16. I tried this patch on 4.15.0-10-generic, it
  fixes the problem for me.
  
(https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git/patch/?id=4f277295e54c5b7340e48efea3fc5cc21a2872b7).

  Xen output:

  (XEN) Xen version 4.9.0 (Ubuntu 4.9.0-0ubuntu3) (stefan.ba...@canonical.com) 
(gcc (Ubuntu 7.2.0-8ubuntu2) 7.2.0) debug=n  Fri Oct 13 15:58:41 UTC 2017
  (XEN) Bootloader: GRUB 2.02~beta2-36ubuntu3.9
  (XEN) Command line: placeholder com1=115200,8N1 console=com1,vga
  (XEN) Xen image load base address: 0
  (XEN) Video information:
  (XEN)  VGA is text mode 80x25, font 8x16
  (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
  (XEN)  EDID info not retrieved because no DDC retrieval method detected
  (XEN) Disc information:
  (XEN)  Found 1 MBR signatures
  (XEN)  Found 1 EDD information structures
  (XEN) Xen-e820 RAM map:
  (XEN)   - 0009ec00 (usable)
  (XEN)  000f - 0010 (reserved)
  (XEN)  0010 - cb6cfc00 (usable)
  (XEN)  cb6cfc00 - cb723c00 (ACPI NVS)
  (XEN)  cb723c00 - cb725c00 (ACPI data)
  (XEN)  cb725c00 - cc00 (reserved)
  (XEN)  f800 - fc00 (reserved)
  (XEN)  fec0 - fed00400 (reserved)
  (XEN)  fed2 - feda (reserved)
  (XEN)  fee0 - fef0 (reserved)
  (XEN)  ffb0 - 0001 (reserved)
  (XEN)  0001 - 00013000 (usable)
  (XEN) New Xen image base address: 0xcb00
  (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
  (XEN) ACPI: XSDT 000FC7E7, 006C (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: FACP 000FC8D7, 00F4 (r3 DELLB11K  15 ASL61)
  (XEN) ACPI: DSDT FFDC89E4, 47BC (r1   DELLdt_ex 1000 INTL 20050624)
  (XEN) ACPI: FACS CB6CFC00, 0040
  (XEN) ACPI: SSDT FFDCD2C1, 00AC (r1   DELLst_ex 1000 INTL 20050624)
  (XEN) ACPI: APIC 000FC9CB, 0092 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: BOOT 000FCA5D, 0028 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: ASF! 000FCA85, 0096 (r32 DELLB11K  15 ASL61)
  (XEN) ACPI: MCFG 000FCB1B, 003E (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: HPET 000FCB59, 0038 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: TCPA 000FCDB5, 0032 (r1 DELLB11K  15 ASL61)
  (XEN) ACPI: DMAR 000FCDE7, 0068 (r1 DELLB11K  15 ASL61)
  (XEN) System RAM: 4022MB (4118964kB)
  (XEN) Domain heap initialised
  (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec0, GSI 0-23
  (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
  (XEN) Using scheduler: SMP Credit Scheduler (credit)
  (XEN) Platform timer is 14.318MHz HPET
  (XEN) Detected 2926.007 MHz processor.
  (XEN) Initing memory sharing.
  (XEN) Intel VT-d iommu 0 supported page sizes: 4kB.
  (XEN) Intel VT-d Snoop Control enabled.
  (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
  (XEN) Intel VT-d Queued Invalidation enabled.
  (XEN) Intel VT-d Interrupt Remapping not enabled.
  (XEN) Intel VT-d Posted Interrupt not enabled.
  (XEN) Intel VT-d Shared EPT tables not enabled.
  (XEN) :04:00.0: unknown type 4
  (XEN) I/O virtualisation enabled
  (XEN)  - Dom0 mode: Relaxed
  (XEN) Interrupt remapping disabled
  (XEN) ENABLING IO-APIC IRQs
  (XEN)  -> Using new ACK method
  (XEN) Allocated console ring of 16 KiB.
  (XEN) VMX: Supported advanced features:
  (XEN)  - APIC MMIO access virtualisation
  (XEN)  - APIC TPR shadow
  (XEN)  - Extended Page Tables (EPT)
  (XEN)  - Virtual-Processor Identifiers (VPID)
  (XEN)  - Virtual NMI
  (XEN)  - MSR direct-access bitmap
  (XEN) HVM: ASIDs enabled.
  (XEN) HVM: VMX enabled
  (XEN) HVM: Hardware Assisted Paging (HAP) detected
  (XEN) HVM: HAP page sizes: 4kB, 2MB
  (XEN) Brought up 4 CPUs
  (XEN) Dom0 has maximum 600 PIRQs
  (XEN) *** LOADING DOMAIN 0 ***
  (XEN)  Xen  kernel: 64-bit, lsb, compat32
  (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x100 -> 0x2b69000
  (XEN) PHYSICAL MEMORY ARRANGEMENT:
  (XEN)  Dom0 alloc.:   00012000->00012400 (952940 pages to be 
allocated)
  (XEN)  Init. ramdisk: 00012d251000->00012575
  (XEN) VIRTUAL MEMORY ARRANGEMENT:
  (XEN)  Loaded kernel: