[Kernel-packages] [Bug 1695093] Re: arm64: "unsupported RELA relocation: 275" loading certain modules

2017-07-11 Thread dann frazier
Here's a backport of the gcc-6 fix to gcc-5. It includes a backport of the -mpc-relative-literal-loads option rename change, since it was a dependent patch, and I'm not comfortable enough w/ gcc development to do the backport w/o it. ** Patch added: "gcc-5-backport.debdiff"

[Kernel-packages] [Bug 1696031] Re: Bugfixes for hns network driver

2017-07-10 Thread dann frazier
After update, I verified that the system still survives a 30s iperf run w/ no performance regression. ** Tags removed: verification-needed-zesty ** Tags added: verification-done-zesty -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-07-10 Thread dann frazier
ubuntu@grotrian:~$ cat /proc/version Linux version 4.10.0-28-generic (buildd@bos01-arm64-012) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #32-Ubuntu SMP Fri Jun 30 05:33:10 UTC 2017 ubuntu@grotrian:~$ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-4.10.0-28-generic

[Kernel-packages] [Bug 1695999] Re: hisi_sas driver updates

2017-07-10 Thread dann frazier
ubuntu@d05-3:~$ cat /proc/version Linux version 4.10.0-28-generic (buildd@bos01-arm64-012) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #32-Ubuntu SMP Fri Jun 30 05:33:10 UTC 2017 ubuntu@d05-3:~$ sudo stress-ng --class io --sequential 64 stress-ng: info: [7461] rdrand stressor

[Kernel-packages] [Bug 1703437] Re: New ACPI identifiers for ThunderX SMMU

2017-07-10 Thread dann frazier
This is fixed by the following commit in linux-next: commit 84c24379a783c514e5ff7c8fc8a21cf8d64fd05f Author: Robin Murphy Date: Mon Jun 19 16:41:56 2017 +0100 iommu/arm-smmu: Plumb in new ACPI identifiers -- You received this bug notification because you are a

[Kernel-packages] [Bug 1703437] [NEW] New ACPI identifiers for ThunderX SMMU

2017-07-10 Thread dann frazier
] The upstream fix is adding support for new device IDs, which were previously unsupported and would've previously failed to probe w/ -ENODEV. ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier (dannf) Status: In Progress ** Affects: linux (Ubuntu Zesty) Importance

[Kernel-packages] [Bug 1702749] Re: arm64: fix crash reading /proc/kcore

2017-07-06 Thread dann frazier
hanged in: linux (Ubuntu) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Zesty) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Changed in: linux (Ubuntu Zesty) Importance: Undecided => High

[Kernel-packages] [Bug 1702749] [NEW] arm64: fix crash reading /proc/kcore

2017-07-06 Thread dann frazier
Public bug reported: [Impact] Reading /proc/kcore can lead to a crash on arm64 systems. [Test Case] # cat /proc/kcore > /dev/null [Regression Risk] ** Affects: linux (Ubuntu) Importance: Undecided Assignee: dann frazier (dannf) Status: Confirmed ** Changed in: linux (Ubu

[Kernel-packages] [Bug 1699874] Re: i386 dumps unusable w/ kernels > 4.4

2017-07-05 Thread dann frazier
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to kexec-tools in Ubuntu. https://bugs.launchpad.net/bugs/1699874 Title: i386 dumps unusable w/ kernels > 4.4 Status in

[Kernel-packages] [Bug 1695093] Re: arm64: "unsupported RELA relocation: 275" loading certain modules

2017-06-28 Thread dann frazier
** Changed in: gcc-6 (Ubuntu Xenial) Status: Confirmed => Invalid ** Also affects: gcc-5 (Ubuntu) Importance: Undecided Status: New ** Changed in: gcc-5 (Ubuntu Xenial) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-23 Thread dann frazier
** Description changed: Note: Updates are being staged at ppa:dannf/arm64-kdump. [Impact] It is not possible to collect a kernel crash dump from a crashed arm64 server for later debugging. [Test Case] sudo apt install kdump-tools (reboot, so crashkernel= is added to the kernel

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-23 Thread dann frazier
** Description changed: Note: Updates are being staged at ppa:dannf/arm64-kdump. [Impact] It is not possible to collect a kernel crash dump from a crashed arm64 server for later debugging. [Test Case] sudo apt install kdump-tools (reboot, so crashkernel= is added to the kernel

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-23 Thread dann frazier
** Changed in: kexec-tools (Ubuntu Xenial) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to kexec-tools in Ubuntu. https://bugs.launchpad.net/bugs/1694859 Title: arm64 kernel crashdump support

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-23 Thread dann frazier
** Description changed: Note: Updates are being staged at ppa:dannf/arm64-kdump. [Impact] It is not possible to collect a kernel crash dump from a crashed arm64 server for later debugging. [Test Case] sudo apt install kdump-tools (reboot, so crashkernel= is added to the kernel

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-23 Thread dann frazier
** Changed in: kexec-tools (Ubuntu Yakkety) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to kexec-tools in Ubuntu. https://bugs.launchpad.net/bugs/1694859 Title: arm64 kernel crashdump support

[Kernel-packages] [Bug 1699874] Re: i386 dumps unusable w/ kernels > 4.4

2017-06-22 Thread dann frazier
** Changed in: linux (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to kexec-tools in Ubuntu. https://bugs.launchpad.net/bugs/1699874 Title: i386 dumps unusable w/ kernels > 4.4 Status in crash

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-22 Thread dann frazier
** Description changed: Note: Updates are being staged at ppa:dannf/arm64-kdump. [Impact] It is not possible to collect a kernel crash dump from a crashed arm64 server for later debugging. [Test Case] sudo apt install kdump-tools (reboot, so crashkernel= is added to the kernel

[Kernel-packages] [Bug 1699874] Re: i386 dumps unusable w/ kernels > 4.4

2017-06-22 Thread dann frazier
In order to eliminate makedumpfile as the cause, I moved the makedumpfile binary out of the way so that kdump-tools would fallback to just copying all of /proc/vmcore. crash still reports an error, albeit a different one: root@kdump-i386:/mnt/crash/201706221906# crash

[Kernel-packages] [Bug 1699874] [NEW] i386 dumps unusable w/ kernels > 4.4

2017-06-22 Thread dann frazier
Public bug reported: If you capture a kernel crashdump on i386 after 4.4 (4.8 & 4.10 tested), they cannot be used by debugged with crash (see log below). crash reports that the dump & the debug kernel do not match, even though they are from the same build. This works fine on amd64.

[Kernel-packages] [Bug 1384955] Re: support compressed kernels on arm64

2017-06-22 Thread dann frazier
** Changed in: linux-hwe-edge (Ubuntu Xenial) Status: New => Fix Released ** Changed in: linux-hwe-edge (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-21 Thread dann frazier
** Description changed: Note: Updates are being staged at ppa:dannf/arm64-kdump. [Impact] It is not possible to collect a kernel crash dump from a crashed arm64 server for later debugging. [Test Case] sudo apt install kdump-tools (reboot, so crashkernel= is added to the kernel

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-21 Thread dann frazier
** Changed in: kexec-tools (Ubuntu Xenial) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: makedumpfile (Ubuntu) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: makedumpfile (Ubuntu Xenial) Assignee: (unassigned) => dann frazier (dannf) *

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-20 Thread dann frazier
** Description changed: Note: Updates are being staged at ppa:dannf/arm64-kdump. [Impact] It is not possible to collect a kernel crash dump from a crashed arm64 server for later debugging. [Test Case] sudo apt install kdump-tools (reboot, so crashkernel= is added to the kernel

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-20 Thread dann frazier
** Description changed: + Note: Updates are being staged at ppa:dannf/arm64-kdump. + [Impact] It is not possible to collect a kernel crash dump from a crashed arm64 server for later debugging. [Test Case] sudo apt install kdump-tools (reboot, so crashkernel= is added to the kernel

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-20 Thread dann frazier
: Undecided Status: New ** Changed in: kexec-tools (Ubuntu Yakkety) Status: New => Confirmed ** Changed in: kexec-tools (Ubuntu Yakkety) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: makedumpfile (Ubuntu Yakkety) Status: New => Confirmed *

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-20 Thread dann frazier
** Changed in: linux (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1694859 Title: arm64 kernel crashdump support Status in

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-20 Thread dann frazier
** Changed in: linux (Ubuntu) Assignee: (unassigned) => dann frazier (dannf) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1694859 Title: arm64 kernel crashdump supp

[Kernel-packages] [Bug 1698954] [NEW] HiSilicon D05: installer doesn't appear on VGA

2017-06-19 Thread dann frazier
he graphical console will remain blank - with it, you'll get an installer screen. [Regression Risk] This adds a driver module that will only load if the associated hardware is present. ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier (dannf) Status: In Progress ** Af

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-15 Thread dann frazier
By default, kdump-tools does not reserve enough memory for a crashkernel on arm64. The smallest reservation I've been able to get away with on my test machine (a Cavium ThunderX crb1s) is 512M. While kdump-tools currently supports architecture-specific configs, it currently has issues that I am

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-15 Thread dann frazier
s: New => Confirmed ** Changed in: kexec-tools (Ubuntu) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: kexec-tools (Ubuntu Zesty) Status: Confirmed => In Progress ** Changed in: kexec-tools (Ubuntu Zesty) Assignee: (unassigned) => dann frazier (dannf)

[Kernel-packages] [Bug 1694506] Re: arm-smmu arm-smmu.2.auto: Unhandled context fault

2017-06-14 Thread dann frazier
ubuntu@grotian:~$ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-4.10.0-23-generic root=UUID=4144290b-8fa2-44f6-8c5d-dc0c4250e962 ro acpi=on ubuntu@grotian:~$ cat /proc/version Linux version 4.10.0-23-generic (buildd@bos01-arm64-039) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) )

[Kernel-packages] [Bug 1688132] Re: Support IPMI system interface on Cavium ThunderX

2017-06-14 Thread dann frazier
ubuntu@grotian:~$ cat /proc/version Linux version 4.8.0-55-generic (buildd@bos01-arm64-030) (gcc version 6.2.0 20161005 (Ubuntu 6.2.0-5ubuntu12) ) #58-Ubuntu SMP Mon Jun 12 08:03:58 UTC 2017 ubuntu@grotian:~$ sudo modprobe ipmi_ssif ubuntu@grotian:~$ sudo modprobe ipmi_devintf ubuntu@grotian:~$

[Kernel-packages] [Bug 1688132] Re: Support IPMI system interface on Cavium ThunderX

2017-06-14 Thread dann frazier
ubuntu@grotian:~$ cat /proc/version Linux version 4.4.0-80-generic (buildd@bos01-arm64-049) (gcc version 5.4.0 20160609 (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) ) #101-Ubuntu SMP Thu Jun 8 15:35:22 UTC 2017 ubuntu@grotian:~$ sudo modprobe ipmi_ssif ubuntu@grotian:~$ sudo modprobe ipmi_devintf

[Kernel-packages] [Bug 1692783] Re: arm64: mbigen updates

2017-06-14 Thread dann frazier
ubuntu@d05-3:~$ cat /proc/version Linux version 4.10.0-23-generic (buildd@bos01-arm64-039) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #25-Ubuntu SMP Fri Jun 9 09:36:27 UTC 2017 ubuntu@d05-3:~$ dmesg | grep "Platform MSI" [0.187977] Platform MSI: ITS@0x4c00 domain

[Kernel-packages] [Bug 1690914] Re: [Regression] NUMA_BALANCING disabled on arm64

2017-06-14 Thread dann frazier
ubuntu@d05-3:~$ cat /proc/version Linux version 4.10.0-23-generic (buildd@bos01-arm64-039) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #25-Ubuntu SMP Fri Jun 9 09:36:27 UTC 2017 ubuntu@d05-3:~$ test -f /proc/sys/kernel/numa_balancing ubuntu@d05-3:~$ echo $? 0 ** Tags removed:

[Kernel-packages] [Bug 1695093] Re: arm64: "unsupported RELA relocation: 275" loading certain modules

2017-06-14 Thread dann frazier
fyi, I verified that this is also reproducible with gcc- linaro-6.3.1-2017.05 -- 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/1695093 Title: arm64: "unsupported RELA relocation: 275"

[Kernel-packages] [Bug 1695093] Re: arm64: "unsupported RELA relocation: 275" loading certain modules

2017-06-13 Thread dann frazier
I attempted to port the above patch to our branch to test it, but it has conflicts with the linaro snapshot patch we apply. It appears that the conflicts are with a backport of r237607[*] applied to Linaro's gcc-6 branch. r237607 is also supposed to be the source of the patch in Comment #4 - so

[Kernel-packages] [Bug 1695093] Re: arm64: "unsupported RELA relocation: 275" loading certain modules

2017-06-13 Thread dann frazier
** Also affects: gcc-6 (Ubuntu) Importance: Undecided Status: New -- 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/1695093 Title: arm64: "unsupported RELA relocation: 275"

[Kernel-packages] [Bug 1696031] Re: Bugfixes for hns network driver

2017-06-12 Thread dann frazier
** Description changed: [Impact] The hns driver we're shipping in hwe-z lacks a number of performance improvements and bug fixes that have since landed upstream prior to v4.12-rc4. [Test Case] + Use iperf to confirm functionality, and no obvious loss of performance. + + = Before = + +

[Kernel-packages] [Bug 1695093] Re: arm64: "unsupported RELA relocation: 275" loading certain modules

2017-06-09 Thread dann frazier
Attached is a buildlog of the kernel w/ V=1 set to see the full gcc commandline. I confirmed that the symptoms are present w/ this build. ** Attachment added: "buildlog.xz" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1695093/+attachment/4893293/+files/buildlog.xz -- You received

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-06-08 Thread dann frazier
** Description changed: [Impact] It is not possible to collect a kernel crash dump from a crashed arm64 server for later debugging. [Test Case] - TBD + sudo apt install kdump-tools + (reboot, so crashkernel= is added to the kernel commandline) + echo c | sudo tee /proc/sysrq-trigger +

[Kernel-packages] [Bug 1676884] Re: kdump-tools uses the wrong crashkernel command line parameter in ppc64le

2017-06-08 Thread dann frazier
** Bug watch added: Debian Bug tracker #863858 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863858 ** Also affects: makedumpfile (Debian) via http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863858 Importance: Unknown Status: Unknown -- You received this bug notification

[Kernel-packages] [Bug 1688132] Re: Support IPMI system interface on Cavium ThunderX

2017-06-06 Thread dann frazier
** Changed in: linux (Ubuntu Yakkety) Status: In Progress => Fix Committed -- 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/1688132 Title: Support IPMI system interface on Cavium

[Kernel-packages] [Bug 1696031] [NEW] Bugfixes for hns network driver

2017-06-05 Thread dann frazier
Public bug reported: [Impact] The hns driver we're shipping in hwe-z lacks a number of performance improvements and bug fixes that have since landed upstream prior to v4.12-rc4. [Test Case] [Regression Risk] ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier (dannf

[Kernel-packages] [Bug 1695999] Re: hisi_sas driver updates

2017-06-05 Thread dann frazier
** Also affects: linux (Ubuntu Zesty) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Zesty) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: linux (Ubuntu Zesty) Importance: Undecided => High ** Changed in: linux (Ubuntu) Assignee

[Kernel-packages] [Bug 1695999] [NEW] hisi_sas driver updates

2017-06-05 Thread dann frazier
the regression impact is limited to hardware we have specifically tested. ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier (dannf) Status: In Progress -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux

[Kernel-packages] [Bug 1692747] Re: [Zesty][ARM64] Enable kdump support

2017-06-02 Thread dann frazier
*** This bug is a duplicate of bug 1694859 *** https://bugs.launchpad.net/bugs/1694859 ** This bug has been marked a duplicate of bug 1694859 arm64 kernel crashdump support -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in

[Kernel-packages] [Bug 1695093] Re: arm64: unsupported RELA relocation: 275 loading libceph module

2017-06-01 Thread dann frazier
This also impacts the scsi_debug module. Test Case: find /lib/modules/$(uname -r) -type f -name '*.ko' | while read mod; do if readelf -r $mod | grep -q 00010113; then echo $mod; fi; done For hwe-x, this matches scsi_debug. For hwe-y & hwe-z, it matches scsi_debug and libceph. ** Also

[Kernel-packages] [Bug 1695093] [NEW] arm64: unsupported RELA relocation: 275 loading libceph module

2017-06-01 Thread dann frazier
Public bug reported: With the hwe-z kernel: ubuntu@grotian:~$ sudo modprobe libceph modprobe: ERROR: could not insert 'libceph': Exec format error ubuntu@grotian:~$ dmesg [66988.470307] module libceph: unsupported RELA relocation: 275 This symptom is similar to LP: #1533009 but, in that case it

[Kernel-packages] [Bug 1694859] Re: arm64 kernel crashdump support

2017-05-31 Thread dann frazier
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Changed in: linux (Ubuntu Zesty) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1694859] [NEW] arm64 kernel crashdump support

2017-05-31 Thread dann frazier
Public bug reported: [Impact] It is not possible to collect a kernel crash dump from a crashed arm64 server for later debugging. [Test Case] TBD [Regression Risk] TBD ** Affects: kexec-tools (Ubuntu) Importance: Undecided Status: New ** Affects: linux (Ubuntu) Importance:

[Kernel-packages] [Bug 1659618] Re: Enable ARM64 support in kexec-tools

2017-05-31 Thread dann frazier
Note that the yakkety SRU for this is still in unapproved, so it can't yet be verified. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to kexec-tools in Ubuntu. https://bugs.launchpad.net/bugs/1659618 Title: Enable ARM64 support in

[Kernel-packages] [Bug 1659618] Re: Enable ARM64 support in kexec-tools

2017-05-30 Thread dann frazier
** Tags removed: verification-done ** Tags added: verification-done-xenial -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to kexec-tools in Ubuntu. https://bugs.launchpad.net/bugs/1659618 Title: Enable ARM64 support in kexec-tools

[Kernel-packages] [Bug 1688114] Re: arm64/ACPI support for SBSA watchdog

2017-05-30 Thread dann frazier
ubuntu@ubuntu:~$ cat /proc/version Linux version 4.10.0-22-generic (buildd@bos01-arm64-038) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #24-Ubuntu SMP Mon May 22 17:43:39 UTC 2017 ubuntu@ubuntu:~$ sudo modprobe sbsa-gwdt ubuntu@ubuntu:~$ ls -l /dev/watchdog* crw--- 1 root

[Kernel-packages] [Bug 1689856] Re: perf: qcom: Add L3 cache PMU driver

2017-05-30 Thread dann frazier
ubuntu@ubuntu:~$ cat /proc/version Linux version 4.10.0-22-generic (buildd@bos01-arm64-038) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #24-Ubuntu SMP Mon May 22 17:43:39 UTC 2017 ubuntu@ubuntu:~$ sudo perf list | grep l3cache | wc -l [sudo] password for ubuntu: 84 ** Tags

[Kernel-packages] [Bug 1694506] [NEW] arm-smmu arm-smmu.2.auto: Unhandled context fault

2017-05-30 Thread dann frazier
ed to make sure we're not breaking DT-based platforms while fixing this for ACPI-based platforms. ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier (dannf) Status: In Progress ** Affects: linux (Ubuntu Zesty) Importance: High Assignee: dann fraz

[Kernel-packages] [Bug 1692548] Re: Marvell MacchiatoBin crashes in fintek_8250_probe()

2017-05-30 Thread dann frazier
Fix landed in 4.12-rc3, zesty SRU proposed: https://lists.ubuntu.com/archives/kernel-team/2017-May/084479.html -- 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/1692548 Title: Marvell

[Kernel-packages] [Bug 1688132] Re: Support IPMI system interface on Cavium ThunderX

2017-05-26 Thread dann frazier
ubuntu@grotian:~$ cat /proc/version Linux version 4.10.0-22-generic (buildd@bos01-arm64-038) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #24-Ubuntu SMP Mon May 22 17:43:39 UTC 2017 ubuntu@grotian:~$ sudo modprobe ipmi_ssif ubuntu@grotian:~$ sudo modprobe ipmi_devintf

[Kernel-packages] [Bug 1688164] Re: arm64: Add CNTFRQ_EL0 handler

2017-05-26 Thread dann frazier
On a HiSilicon D05 system: ubuntu@ubuntu:~$ cat /proc/version Linux version 4.10.0-22-generic (buildd@bos01-arm64-038) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #24-Ubuntu SMP Mon May 22 17:43:39 UTC 2017 ubuntu@ubuntu:~$ ./test freq 5000 ** Tags removed:

[Kernel-packages] [Bug 1689661] Re: No PMU support for ACPI-based arm64 systems

2017-05-26 Thread dann frazier
ubuntu@ubuntu:~$ cat /proc/version Linux version 4.10.0-22-generic (buildd@bos01-arm64-038) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #24-Ubuntu SMP Mon May 22 17:43:39 UTC 2017 ubuntu@ubuntu:~$ sudo perf list pmu | wc -l 24 ubuntu@ubuntu:~$ sudo perf list hw | wc -l 6 **

[Kernel-packages] [Bug 1677319] Re: Support low-pin-count devices on Hisilicon SoCs

2017-05-26 Thread dann frazier
ubuntu@ubuntu:~$ cat /proc/version Linux version 4.10.0-22-generic (buildd@bos01-arm64-038) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #24-Ubuntu SMP Mon May 22 17:43:39 UTC 2017 ubuntu@ubuntu:~$ sudo ipmitool lan print Set in Progress : Set Complete IP Address Source

[Kernel-packages] [Bug 1692783] [NEW] arm64: mbigen updates

2017-05-22 Thread dann frazier
ich is still under active development. Obviously the ACPI change may regress existing users, but that userbase is limited and actively testing w/ newer firmware/OS updates until we reach a certified Ubuntu LTS release. ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier (da

[Kernel-packages] [Bug 1692548] Re: Marvell MacchiatoBin crashes in fintek_8250_probe()

2017-05-22 Thread dann frazier
Pending upstream fix: http://marc.info/?l=linux-serial=149510702626671 -- 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/1692548 Title: Marvell MacchiatoBin crashes in fintek_8250_probe()

[Kernel-packages] [Bug 1692548] Re: Marvell MacchiatoBin crashes in fintek_8250_probe()

2017-05-22 Thread dann frazier
** Changed in: linux (Ubuntu) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: linux (Ubuntu Zesty) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: linux (Ubuntu) Status: Incomplete => In Progress ** Changed in: linux (Ubuntu Zesty)

[Kernel-packages] [Bug 1692548] [NEW] Marvell MacchiatoBin crashes in fintek_8250_probe()

2017-05-22 Thread dann frazier
Public bug reported: [Impact] The Marvell MacchiatoBin community board fails to boot with Ubuntu 17.04 due to a crash in the Fintek 8250 driver. [Test Case] Boot Ubuntu 17.04 on a Marvell MacchiatoBin board in UEFI/ACPI mode, check for crash. [Regression Risk] Fix looks straightforward to me

[Kernel-packages] [Bug 1691614] Re: please enable CONFIG_ARM64_LSE_ATOMICS

2017-05-19 Thread dann frazier
I'm unaware of any systems that support LSE that are also supported by the hwe-{x,y,z} kernels. I'll therefore mark those as "Won't Fix" for those releases. If someone is aware of such a system - and can take on the testing of this change for those releases, we can reconsider. ** Changed in:

[Kernel-packages] [Bug 1691614] Re: please enable CONFIG_ARM64_LSE_ATOMICS

2017-05-18 Thread dann frazier
** Changed in: linux (Ubuntu) Status: Incomplete => In Progress ** Changed in: linux (Ubuntu Xenial) Status: Incomplete => Confirmed ** Changed in: linux (Ubuntu Yakkety) Status: Incomplete => Confirmed ** Changed in: linux (Ubuntu Zesty) Status: Incomplete =>

[Kernel-packages] [Bug 1691614] Re: please enable CONFIG_ARM64_LSE_ATOMICS

2017-05-18 Thread dann frazier
** Description changed: [Impact] Performance is lowered for ARM >= v8.1 cpus by not taking advantage of the "Large System Extenstion" atomic instructions they provide. Note: This config was enabled during xenial development, but was disabled to workaround a FTBFS[*] due to us not

[Kernel-packages] [Bug 1691614] Re: please enable CONFIG_ARM64_LSE_ATOMICS

2017-05-18 Thread dann frazier
** Changed in: linux (Ubuntu) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: linux (Ubuntu Yakkety) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: linux (Ubu

[Kernel-packages] [Bug 1691614] [NEW] please enable CONFIG_ARM64_LSE_ATOMICS

2017-05-17 Thread dann frazier
Public bug reported: [Impact] Performance is lowered for ARM >= v8.1 cpus by not taking advantage of the "Large System Extenstion" atomic instructions they provide. Note: This config was enabled during xenial development, but was disabled to workaround a FTBFS[*] due to us not having a new

[Kernel-packages] [Bug 1688132] Re: Support IPMI system interface on Cavium ThunderX

2017-05-17 Thread dann frazier
** Description changed: [Impact] - Just loading the necessary modules is not enough to get a working IPMI system interface (/dev/ipmi0) on Cavium ThunderX CRBs, and other ThunderX-based Gigabyte servers. You have to do some magic: - - echo ipmi_ssif 0x12

[Kernel-packages] [Bug 1688132] Re: Support IPMI system interface on Cavium ThunderX

2017-05-17 Thread dann frazier
** Changed in: linux (Ubuntu Xenial) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Yakkety) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1690914] Re: [Regression] NUMA_BALANCING disabled on arm64

2017-05-16 Thread dann frazier
** Description changed: [Impact] - CONFIG_NUMA_BALANCING and CONFIG_NUMA_BALANCING_DEFAULT_ENABLED were both set to =y in hwe-x/hwe-y. This changed to =n in hwe-z, unintentionally as far as I can tell. This can lead to performance degradation on NUMA-based arm64 systems when processes

[Kernel-packages] [Bug 1688114] Re: arm64/ACPI support for SBSA watchdog

2017-05-16 Thread dann frazier
** Changed in: linux (Ubuntu Zesty) Status: In Progress => Fix Committed -- 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/1688114 Title: arm64/ACPI support for SBSA watchdog

[Kernel-packages] [Bug 1690914] Re: [Regression] NUMA_BALANCING disabled on arm64

2017-05-15 Thread dann frazier
** Also affects: linux (Ubuntu Zesty) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Zesty) Status: New => In Progress ** Changed in: linux (Ubuntu Zesty) Assignee: (unassigned) => dann frazier (dannf) ** Changed in: linux (Ubuntu Zesty) Impo

[Kernel-packages] [Bug 1690914] [NEW] [Regression] NUMA_BALANCING disabled on arm64

2017-05-15 Thread dann frazier
, and their memory accesses now suffer additional latency. [Test Case] At a functional level: test -f /proc/sys/kernel/numabalancing Performance? [Regression Risk] ** Affects: linux (Ubuntu) Importance: Medium Assignee: dann frazier (dannf) Status: In Progress -- You received

[Kernel-packages] [Bug 1689661] Re: No PMU support for ACPI-based arm64 systems

2017-05-10 Thread dann frazier
** Description changed: [Impact] ACPI-based arm64 systems, such as the Qualcomm QDF2400 and the Hisilicon D05, do not currently have PMU support. This means that tools like perf are unable to use the built-in hardware event counters. [Test Case] On an ACPI-based arm64 system, run the

[Kernel-packages] [Bug 1689855] [NEW] perf hangs on QDF 2400 servers (Falkor SoC)

2017-05-10 Thread dann frazier
Public bug reported: [Impact] There's a hardware errata that causes hangs when using PMU counters. It has been assigned errata ID E1029. [Test Case] sudo perf top After a few moments, you should notice hangs, most likely with rcu_sched messages on the console. [Regression Risk] (TBD, one

[Kernel-packages] [Bug 1689855] Re: perf hangs on QDF 2400 servers (Falkor SoC)

2017-05-10 Thread dann frazier
Initial upstream workaround submission: https://patchwork.kernel.org/patch/9601819/ ** Also affects: linux (Ubuntu Zesty) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Confirmed ** Changed in: linux (Ubuntu Zesty) Status: New => Confirmed

[Kernel-packages] [Bug 1689856] [NEW] perf: qcom: Add L3 cache PMU driver

2017-05-10 Thread dann frazier
(Ubuntu) Importance: High Assignee: dann frazier (dannf) Status: Confirmed ** Affects: linux (Ubuntu Zesty) Importance: High Assignee: dann frazier (dannf) Status: Confirmed ** Also affects: linux (Ubuntu Zesty) Importance: Undecided Status: New

[Kernel-packages] [Bug 1689661] [NEW] No PMU support for ACPI-based arm64 systems

2017-05-09 Thread dann frazier
(no pointer dereferences, etc). The most significant regression risk is to ARM non-ACPI platforms. To mitigate this, we should test this backport on Cavium ThunderX and HP m400 systems. ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier (dannf) Status: In Progress

[Kernel-packages] [Bug 1688164] Re: arm64: Add CNTFRQ_EL0 handler

2017-05-08 Thread dann frazier
** Description changed: [Impact] Userspace reads of CNTVCT_EL0 are broken on HiSilicon D05 systems, which breaks some applications such as OpenMPI. [Test Case] #include #include int main(int argc, char *argv[]) { -unsigned int freq; -__asm__ __volatile__ ("mrs %0,

[Kernel-packages] [Bug 1673564] Re: ThunderX: soft lockup on 4.8+ kernels when running qemu-efi with vhost=on

2017-05-04 Thread dann frazier
Note that, while this symptom is seemingly only reproducible with >= 4.10 (hwe-y), there is another symptom of this problem that is reproducible with 4.4 (hwe-x). That symptom is that VMs will hang during teardown - easily reproducible using a parallel VM start/stop test. I'll therefore mark this

[Kernel-packages] [Bug 1688164] [NEW] arm64: Add CNTFRQ_EL0 handler

2017-05-03 Thread dann frazier
h a system that has an errata handler for the timer (D05) and a system that doesn't. We should then be exercising both code paths. ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier (dannf) Status: In Progress ** Affects: linux (Ubuntu Zesty) Importance: Hi

[Kernel-packages] [Bug 1688132] Re: Support IPMI system interface on Cavium ThunderX

2017-05-03 Thread dann frazier
** Summary changed: - Suport IPMI system interface on Cavium ThunderX + Support IPMI system interface on Cavium ThunderX -- 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/1688132 Title:

[Kernel-packages] [Bug 1688132] Re: Suport IPMI system interface on Cavium ThunderX

2017-05-03 Thread dann frazier
** Summary changed: - IPMI system interface on Cavium ThunderX systems requires manual config + Suport IPMI system interface on Cavium ThunderX -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1688132] Re: IPMI system interface on Cavium ThunderX systems requires manual config

2017-05-03 Thread dann frazier
** Description changed: [Impact] Just loading the necessary modules is not enough to get a working IPMI system interface (/dev/ipmi0) on Cavium ThunderX CRBs, and other ThunderX-based Gigabyte servers. You have to do some magic: echo ipmi_ssif 0x12

[Kernel-packages] [Bug 1688132] [NEW] IPMI system interface on Cavium ThunderX systems requires manual config

2017-05-03 Thread dann frazier
-based systems, and is currently not usable w/o the above manual config. ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier (dannf) Status: In Progress ** Affects: linux (Ubuntu Xenial) Importance: High Assignee: dann frazier (dannf) Status: Con

[Kernel-packages] [Bug 1688114] Re: arm64/ACPI support for SBSA watchdog

2017-05-03 Thread dann frazier
** Also affects: linux (Ubuntu Zesty) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Zesty) Status: New => In Progress ** Changed in: linux (Ubuntu Zesty) Importance: Undecided => High ** Changed in: linux (Ubuntu Zesty) Assignee: (unassigned) =

[Kernel-packages] [Bug 1688114] [NEW] arm64/ACPI support for SBSA watchdog

2017-05-03 Thread dann frazier
. This has been tested on the QDT2400 and HiSilicon D05, and regression tested on an non-ACPI (devicetree) HP m400 and Cavium ThunderX systems. ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier (dannf) Status: In Progress -- You received this bug notification

[Kernel-packages] [Bug 1673564] Re: ThunderX: soft lockup on 4.8+ kernels when running qemu-efi with vhost=on

2017-04-21 Thread dann frazier
Once the build is complete, you'll be able to install it with: sudo apt-add-repository ppa:yarmouth-team/thunderx sudo apt update sudo apt install linux-image-extra-4.8.0-49-generic=4.8.0-49.52~16.04.1+lp1673564.1 The PPA web page is at:

[Kernel-packages] [Bug 1673564] Re: ThunderX: soft lockup on 4.8+ kernels when running qemu-efi with vhost=on

2017-04-21 Thread dann frazier
I've uploaded a test kernel w/ a potential workaround developed by Cavium to: ppa:yarmouth-team/thunderx The build should complete in ~4 hours. Mind giving that a test? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1677319] Re: Support low-pin-count devices on Hisilicon SoCs

2017-04-20 Thread dann frazier
** Description changed: - The HiSilicon Hip06/Hip07 SoCs include a low-pin-count (LPC) host - controller. The Linux kernel needs support for this interface to use - attached devices, such as a UART and the IPMI system interface. + [Impact] + The HiSilicon Hip06/Hip07 SoCs include a low-pin-count

[Kernel-packages] [Bug 1677319] Re: Support low-pin-count devices on Hisilicon SoCs

2017-04-20 Thread dann frazier
** Also affects: linux (Ubuntu Zesty) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Zesty) Status: New => In Progress ** Changed in: linux (Ubuntu Zesty) Importance: Undecided => High ** Changed in: linux (Ubuntu Zesty) Assignee: (unassigned) =

[Kernel-packages] [Bug 1673564] Re: ThunderX: soft lockup on 4.8+ kernels when running qemu-efi with vhost=on

2017-04-18 Thread dann frazier
Thanks, the patch is working well in our internal testing. I believe this rules out edk2, so I'll drop that task from this bug. ** No longer affects: edk2 (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1675522] Re: arm64: Synchronous Exception at 0x00000000BBC129BC

2017-04-06 Thread dann frazier
Now that I've found time to get back to this one, I can no longer reproduce it. The machine I originally observed this on has been redeployed, so I no longer have the artifacts necessary for comparison. -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 1673564] Re: ThunderX: soft lockup on 4.8+ kernels when running qemu-efi with vhost=on

2017-04-05 Thread dann frazier
I bisected this down to the upstream commit below. Now, that's not to say that this commit is necessarily bad - it may just make an existing problem more reproducible. commit 7235acdb1144460d9f520f0d931f3cbb79eb244c Author: Jason Wang Date: Mon Apr 25 22:14:32 2016 -0400

[Kernel-packages] [Bug 1677319] [NEW] Support low-pin-count devices on Hisilicon SoCs

2017-03-29 Thread dann frazier
Public bug reported: The HiSilicon Hip06/Hip07 SoCs include a low-pin-count (LPC) host controller. The Linux kernel needs support for this interface to use attached devices, such as a UART and the IPMI system interface. ** Affects: linux (Ubuntu) Importance: High Assignee: dann frazier

[Kernel-packages] [Bug 1673564] Re: ThunderX: soft lockup on 4.8+ kernels when running qemu-efi with vhost=on

2017-03-27 Thread dann frazier
Thanks for the steps. As you noted, I can reproduce on xenial w/ the 4.8 hwe kernel, but not with the GA 4.4. I'm marking the kernel packages as affected because the host kernel shouldn't hang, even if the guest does something bad (e.g. if edk2 is buggy). -- You received this bug notification

[Kernel-packages] [Bug 1673564] Re: ThunderX: soft lockup on 4.8+ kernels when running qemu-efi with vhost=on

2017-03-27 Thread dann frazier
** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

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