On Thu, Jan 22, 2015 at 11:21:14AM -0500, Bill McGonigle wrote:
> Hi, all,
>
> My desktop is f21/Xen 4.4 and the Dom0 crashes if it's 3.17.8-300 or later.
> 3.17.7-300 is stable. The crashing Dom0 kernels are stable as baremetal
> kernels.
>
> I've tried getting 3.18 from -testing and rebuilding 4.4 locally and get the
> same thing.
>
> Serial output here:
> http://fpaste.org/173093/
>
> Looking for ideas about what could be going on and/or how to figure out what
> is going wrong once Dom0 starts.
>
> (XEN) Command line: placeholder dom0_mem=12288M,max:12288M loglvl=all
> guest_loglvl=all com1=115200,8n1 console=com1,vga
> [0.00] Command line: placeholder
> root=/dev/mapper/luks-ba790367-2232-475a-ae19-82bbf7f7ccc5 ro earlyprintk=xen
> ipv6.disable=1 selinux=0 elevator=deadline rootflags=data=journal,relatime
>
> The last lines are:
> (XEN) PCI add device :04:00.0
> (XEN) Domain 0 crashed: rebooting machine in 5 seconds.
That is not good. Would it be possible to have on the Linux line:
console=hvc0 debug initcall_debug
And on the Xen line 'sync_console'.
That will make sure you see in sync where it crashes in Linux.
Thanks!
>
> and device 4:00.0 is the USB controller, but I suspect it's what's happening
> next that's crashing.
>
> The baremetal boot near there is:
>
> [0.217464] pci :04:00.0: [1b21:1142] type 00 class 0x0c0330
> [0.217488] pci :04:00.0: reg 0x10: [mem 0xf780-0xf7807fff 64bit]
> [0.217611] pci :04:00.0: PME# supported from D3cold
> [0.217635] pci :04:00.0: System wakeup disabled by ACPI
> [0.219323] pci :00:1c.6: PCI bridge to [bus 04]
> [0.219395] pci :00:1c.6: bridge window [mem 0xf780-0xf78f]
> [0.219416] acpi PNP0A08:00: Disabling ASPM (FADT indicates it is
> unsupported)
> [0.220032] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 *11 12 14 15)
> [0.220266] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 10 11 12 14 15)
> *0, disabled.
> [0.220573] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 *11 12 14 15)
> [0.220803] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 *10 11 12 14 15)
> [0.221032] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 *5 6 10 11 12 14 15)
> [0.221264] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 11 12 14 15)
> *0, disabled.
> [0.221569] ACPI: PCI Interrupt Link [LNKG] (IRQs *3 4 5 6 10 11 12 14 15)
> [0.221799] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 *10 11 12 14 15)
> [0.222099] ACPI: Enabled 5 GPEs in block 00 to 3F
> [0.52] vgaarb: setting as boot device: PCI::00:02.0
> [0.222321] vgaarb: device added:
> PCI::00:02.0,decodes=io+mem,owns=io+mem,locks=none
>
> but I don't know enough about Xen boot to know if that's even useful
> information.
>
> Thanks,
> -Bill
>
> --
> Bill McGonigle, Owner
> BFC Computing, LLC
> http://bfccomputing.com/
> Telephone: +1.855.SW.LIBRE
> Email, IM, VOIP: b...@bfccomputing.com
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