** Description changed:
- == SRU ==
+ == SRU [Xenial][Bionic][Cosmic][Disco][Eoan] ==
== Justification ==
When accessing page frames that are greater than max_pfn using the idle-
page sysfs interface an oops is triggered that kills the process that
writes to the sysfs interface.
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
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Fix committed: https://kernel.ubuntu.com/git/cking/stress-
ng.git/commit/?id=66c09c1a1b73d58855173474daaec98138926e62
Was accidentally killing a child before that child could complete a wait
and reap of it's own child.
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Committed
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*** This bug is a duplicate of bug 1822247 ***
https://bugs.launchpad.net/bugs/1822247
** This bug has been marked a duplicate of bug 1822247
ubuntu_nbd_smoke_test failed on P9 with Bionic kernel
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This would require a kernel fix to disable this kernel message.
Perhaps just disabling thermald may be the best way forward for the
moment.
sudo systemctl disable thermald
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When a laptop reaches a CPU specific temperature threshold it will cause
rapid and immediate shutdown to avoid physically damaging the machine.
Older laptops sometimes have issues because the cooling paths are not
100% effective and can lead to overheating, so you may be OK with
disabling thermald
Thanks Srinivas for the update. If you can let us know when the patch
has landed I can add this into the older kernels as part of a SRU
procedure.
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** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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Title:
stress-ng enosys stressor triggers a kernel BUG
St
*** This bug is a duplicate of bug 1826626 ***
https://bugs.launchpad.net/bugs/1826626
** This bug has been marked a duplicate of bug 1826626
package linux-image-5.0.0-13-generic 5.0.0-13.14 failed to install/upgrade:
triggers looping, abandoned
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Thanks for testing!
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Title:
ubuntu_nbd_smoke_test failed on P9 with Bionic kernel
Status in ubuntu-kernel-tests:
New
Status in li
Ubuntu runs with a default log level of KERN_WARNING (4), so KERN_NOTICE
(5) should be silently ignored.
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Title:
proc_thermal flo
=> Colin Ian King (colin-king)
** Changed in: linux (Ubuntu)
Importance: Low => Medium
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Title:
proc_thermal flooding dm
Hi Giovanni, would you mind testing the fix as mentioned in comment #24
so that we can see if this addresses the issue for you?
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Ti
** Attachment added: "Photo of most of the crashes, hung, no console available,
completely dead"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1838115/+attachment/5279525/+files/DSC_0795.JPG
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** Attachment added: "Photo of console - this is where it locks up"
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h
Public bug reported:
Installed Bionic 18.04.2 i386 Desktop on a Lenovo x220i and upgraded to
proposed. The 5.0.0.22 kernel crashes in various ways with video
corruption being a main visible featured.
The CPU is a i3-2350M CPU, a 64 bit capable CPU, being booted with EUFI
firmware disabled, so us
** Description changed:
- Installed Bionic 18.04.2 i386 Desktop on a Lenovo x220i and upgraded to
- proposed. The 5.0.0.22 kernel crashes in various ways with video
- corruption being a main visible featured.
+ Installed Bionic 18.04.2 i386 Desktop (using xubuntu) on a Lenovo x220i
+ and upgraded
One other data point, booting the upgraded machine to the 4.15 kernel
and it works OK, so this corruption/hang is most probably not to do with
changes in userspace on the upgrade to -proposed.
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Tried the same on an HP Mini 210-1000, Atom N450 and it works fine, so
this is a H/W specific issue.
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Title:
linux hwe i386 kernel 5
Tried https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.1.20/ - less
corruption and now the splash screen starts but as soon as splash
transitions to the X display we get an immediate hang.
I believe the 5.0.0 crash occurs before the splash screen starts, so
it's really early in the boot process.
Tried: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.2.3/
No splash screen, and screen turns off after several seconds and machine is
completely hung after that.
Most probably all of this is a regression in the i915 driver for 32 bit
platforms with Intel® HD Graphics 3000
** Changed in: lin
So I've tested it on a range of Lenovo's that I can get my hands on
(kids, family etc).. and the following fail in the same way:
Lenovo X220 Intel(R) Core(TM) i3-2350M (HD Graphics 3000)
Lenovo X230 Intel(R) Core(TM) i5-3210M (HD Graphics 4000)
Lenovo L430 Intel(R) Core(TM) i3-3120M (HD Graphic
Looks like this is a kernel modeset bug, booting with i915.modeset=0
fixes the issue
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Title:
linux hwe i386 kernel 5.0.0-21.22~18.04
Did a bisect on the drm i915 driver, came up with no root cause.
Did a full bisect between 4.18 and 4.20, bisected down to a PTI commit:
7757d607c6b3186de42e1fb0210b9c5d8b70 is the first bad commit
commit 7757d607c6b3186de42e1fb0210b9c5d8b70
Author: Joerg Roedel
Date: Wed Jul 18 11:41:1
OK, I've proved that this is the core issue, booting 5.0.0-21.22~18.04.1
with nopti boots successfully.
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Title:
linux hwe i386 kerne
** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
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Title:
linux hwe i386 kernel 5.0.0-21.22~18.04.1 crashes on
Tried today's Linux tip, boots OK, so a reverse bisect to tip should
prove to be instructive on a potential fix.
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Title:
linux hwe i
Upstream fix 3f8fd02b1bf1d7ba964485a56f2f4b53ae88c167 resolves the issue
in linux tip:
commit 3f8fd02b1bf1d7ba964485a56f2f4b53ae88c167
Author: Joerg Roedel
Date: Fri Jul 19 20:46:52 2019 +0200
mm/vmalloc: Sync unmappings in __purge_vmap_area_lazy()
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** Description changed:
+ == SRU Justification BIONIC HWE ==
+
Installed Bionic 18.04.2 i386 Desktop (using xubuntu) on a Lenovo x220i
and upgraded to proposed. The 5.0.0.22 kernel crashes in various ways
with video corruption being a main visible featured.
The CPU is a i3-2350M CPU,
Fix sent to kernel team mailing list for review:
https://lists.ubuntu.com/archives/kernel-team/2019-July/102627.html
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Title:
linux h
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
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Title:
linux hwe i386 kernel 5.0.0-21
Tested the fix on same kit with amd64 kernel built and it works OK.
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Title:
linux hwe i386 kernel 5.0.0-21.22~18.04.1 crashes on Len
I think this may be solved using the following fix:
https://lists.ubuntu.com/archives/kernel-team/2019-July/thread.html
I've prepared some test kernel debs for you to download and install to
see if this fixes the issue. The .deb packages can be found at:
https://kernel.ubuntu.com/~cking/lp1827884/
I've uploaded a 4.15.0 kernel with the same patches applied:
https://kernel.ubuntu.com/~cking/lp1827884/4.15
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Title:
x86: mm: early
*** This bug is a duplicate of bug 1838115 ***
https://bugs.launchpad.net/bugs/1838115
** This bug has been marked a duplicate of bug 1838115
linux hwe i386 kernel 5.0.0-21.22~18.04.1 crashes on Lenovo x220
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*** This bug is a duplicate of bug 1838115 ***
https://bugs.launchpad.net/bugs/1838115
** This bug is no longer a duplicate of bug 1827884
x86: mm: early boot problem on i386 with KPTI enabled
** This bug has been marked a duplicate of bug 1838115
linux hwe i386 kernel 5.0.0-21.22~18.04.
*** This bug is a duplicate of bug 1838115 ***
https://bugs.launchpad.net/bugs/1838115
** This bug is no longer a duplicate of bug 1827884
x86: mm: early boot problem on i386 with KPTI enabled
** This bug has been marked a duplicate of bug 1838115
linux hwe i386 kernel 5.0.0-21.22~18.04.
*** This bug is a duplicate of bug 1838115 ***
https://bugs.launchpad.net/bugs/1838115
** This bug is no longer a duplicate of bug 1827884
x86: mm: early boot problem on i386 with KPTI enabled
** This bug has been marked a duplicate of bug 1838115
linux hwe i386 kernel 5.0.0-21.22~18.04.
Xenial is not affected.
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Title:
linux hwe i386 kernel 5.0.0-21.22~18.04.1 crashes on Lenovo x220
Status in linux package in Ubuntu:
Tested disco -proposed 5.0.0-23, all OK.
** Tags removed: verification-needed-disco
** Tags added: verification-done-disco
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Title:
Thanks for fixing this Didier.
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Title:
[0.8 regression] zfs mount -a dataset mount ordering issues
Status in Native ZFS for Lin
ium
** Changed in: thermald (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
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Title:
Update thermald to 1
Naive question: can we tweak the hugepage file settings at run time via
/proc/sys/vm/nr_hugepages and not require the kernel parameters?
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** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
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** Changed in: thermald (Ubuntu)
Importance: Medium => High
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Title:
Update thermald to 1.9 release
Status in dptfxtract packa
@Srinivas, dptfxtract is a binary, so it can't be packaged in
debian/ubuntu. Is there source?
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Title:
Update thermald to 1.9 rel
ernel Team
* Debian package maintained by Colin Ian King (myself from the Kernel Team)
9. Background Information
The user-space components implement device approval support:
a. Easier interaction with the kernel module for approving connected
devices.
b. ACL for auto-approvi
Hi, this bug has not been replied to for a while. I will mark it closed
next week if it has not been updated.
** Changed in: linux (Ubuntu)
Importance: Medium => Low
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http
Ah, I didn't know that, thanks Mario. @Antony, how's the update of
dptfxtract progressing?
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Title:
Update thermald to 1.9 releas
Fresh install, running 5.2.0-8-generic, can't trip this anymore. Closing
this bug report.
** Changed in: linux (Ubuntu)
Status: In Progress => Invalid
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** Changed in: linux-aws (Ubuntu)
Status: In Progress => Won't Fix
** Changed in: linux-aws (Ubuntu)
Status: Won't Fix => Invalid
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Any updates on this issue?
** Changed in: linux (Ubuntu)
Status: In Progress => Incomplete
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Title:
Unable to unmount apparen
@Sam, I tested this out and the machine went off line, so I'm not sure
if it died or got reprovisioned.
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Title:
sysfs / procfs f
I'm hitting hangs when exercising /proc/bus/pci/:00/00.0 - i believe
after a specific amount of time the watchdog reboots the machine
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OK, it seems to hang on PCI device 00:01.0: 00:01.0 Serial controller:
Amazon.com, Inc. Device 8250
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Title:
sysfs / procfs from
I've sponsored this and uploaded it to -proposed.
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Title:
Thermald does not set max CPU after reseting the voltage using RAPL
St
I was incorrect, it's actually a racy read on /proc/bus/pci/:00/00.0
that's causing a hang:
sudo cat /proc/bus/pci/\:00/00.0
..takes a few seconds.. with stress-ng we have a multi-threaded
open/read/close on this file with random read sizes, this seems to cause
the machine to hang and reb
Thanks Mauricio, I've sponsored this package, and sent the kernel
related changes to the kernel-team mailing list:
https://lists.ubuntu.com/archives/kernel-team/2019-August/102938.html
I also sanity checked the code with the ubuntu kernel team ZFS
regression tests and they all pass successfully.
** Changed in: linux-aws (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
** Changed in: linux-aws (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux-aws (Ubuntu)
Status: New => In Progress
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Sorry, I don't have per-package upload rights to dptfxtract, you need to
ask a MOTU.
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Title:
Update thermald to 1.9 release
Stat
** Changed in: linux (Ubuntu Cosmic)
Status: Fix Committed => Won't Fix
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
** Changed in: thermald (Ubuntu Bionic)
Status: New => Invalid
** Changed in: thermald (Ubuntu Disco)
Status: New => Invalid
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Looks like the i386 build failed:
g++ -DHAVE_CONFIG_H -I. -I./src -DTDLOCALEDIR=\"/usr/share/locale\"
-DGLIB_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/dbus-1.0
-I/usr/lib/i386-linux-gnu/dbus-1.0/include -I/usr/include/glib-2.0
-I/usr/lib/i386-linux-gnu/glib-2.0/include
-DGLIB_VER
Oops, typos:
@Brian, can this be removed from -proposed and I'm hoping Anthony can
provide me a V2 that I can re-upload.
** Tags removed: verification-needed
** Tags added: verification-failed
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I've re-run this on a power8 VM with 5.4.0-12 and cannot trigger this
failure.
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Title:
bpf self tests break 5.4.0-7-generic on power
..and on a power9 box too. Marking as fix committed for 5.4.0-12
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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@Finom, that's a good observation, much appreciated.
** Changed in: systemd (Ubuntu)
Importance: Undecided => High
** Changed in: systemd (Ubuntu)
Assignee: (unassigned) => Dimitri John Ledkov (xnox)
** Description changed:
- Description: In the event a particular Azure cloud instance
Just to say, I did retry the reproducer test and also re-ran the adt
tests to double check that this no longer fails on 5.4.0-12.
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Tit
AppleTalk is disabled on focal s390x 5.4.0-12 kernels so this bug cannot
be tripped. Marking this as fixed released even though it's not a direct
fix, it does stop the issue.
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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@John, I was wondering what to do about this bug report. Is it still an
issue or shall I close it?
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Title:
Unable to unmount apparen
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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Title:
Unable to unmount apparently unused filesystem
Stat
USB 3 Gigabit Ethernet device (Realtek) disconnect/reconnect repeats
randomly.
$ lsb_release -a
[...]
Description:Ubuntu 18.04.4 LTS
$ uname -a
Linux linux 4.15.0-76-generic #86-Ubuntu SMP Fri Jan 17 17:24:28 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
$ lsusb
[...]
Bus 009 Device 003: ID 0bda:
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC0: idallen 30789 F pulseaudio
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2015-04-28 (1751 days ago)
Installa
apport information
** Attachment added: "AlsaInfo.txt"
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
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apport information
** Attachment added: "Lsusb.txt"
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apport information
** Attachment added: "CRDA.txt"
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apport information
** Attachment added: "IwConfig.txt"
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apport information
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apport information
** Attachment added: "CurrentDmesg.txt"
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apport information
** Attachment added: "Lspci.txt"
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apport information
** Attachment added: "ProcInterrupts.txt"
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apport information
** Attachment added: "ProcEnviron.txt"
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** Attachment added: "ProcModules.txt"
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** Attachment added: "PulseList.txt"
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apport information
** Attachment added: "UdevDb.txt"
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lease.
** Changed in: zfs-linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: zfs-linux (Ubuntu)
Status: New => In Progress
** Changed in: zfs-linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
** Changed in: zfs-linux (Ubuntu)
Statu
08c07cefb3042a55bc9f8243814b504d5eff93f3
Author: Colin Ian King
Date: Thu Mar 12 11:13:45 2020 +
ACPI: sysfs: copy ACPI data using io memory copying
== Test ==
Running on hotdog with the reproducer below (run as root):
#include
#include
#include
#include
#include
#include
ionic, eoan and focal is just a minor context wiggle.
commit 08c07cefb3042a55bc9f8243814b504d5eff93f3
Author: Colin Ian King
Date: Thu Mar 12 11:13:45 2020 +
ACPI: sysfs: copy ACPI data using io memory copying
== Test ==
Running on hotdog with the reproducer below (run as
wiggle.
commit 08c07cefb3042a55bc9f8243814b504d5eff93f3
Author: Colin Ian King
Date: Thu Mar 12 11:13:45 2020 +
ACPI: sysfs: copy ACPI data using io memory copying
== Test ==
Running on hotdog with the reproducer below (run as root):
#include
#include
#include
08c07cefb3042a55bc9f8243814b504d5eff93f3
Author: Colin Ian King
Date: Thu Mar 12 11:13:45 2020 +
ACPI: sysfs: copy ACPI data using io memory copying
== Test ==
Running on hotdog with the reproducer below (run as root):
#include
#include
#include
#include
#include
#include
** Changed in: linux-signed-5.4 (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux-signed-5.4 (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
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I've tested this with 4.15, 5.0, 5.3 and 5.4 kernels on bionic, eoan and
focal and I'm getting the same results, always a failure. I've not got
it to work at all on 4.15.0 so far. I'm not sure why this is.
Can you run this on a 4.15 based system and gather the output from bash
-x ./test-bcache-by
Thanks for the data. I suspect the racy nature is why I can't reproduce
it on my H/W, perhaps the I/O and/or CPU speeds are relevant in tripping
the issue.
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Public bug reported:
I've been noticing that doubles get clobbered in stress-ng. I managed to
whittle it down to the following reproducer that can trip the issue on a
risc-v system running the Linux risc-v-qemu 5.4.0-24-generic kernel.
This also occurs on other older kernels too. I've tested this
Does this occur on real H/W? Can somebody with risc-v H/W test this
out?
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https://bugs.launchpad.net/bugs/1872945
Title:
risc-v doubles getting clobbered somehow
Status i
CR3: 58e5 CR4: 06f0
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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For Ubuntu Focal the dkms package is not required as the driver is
supplied in the kernel package. I recommend removing zfs-dkms to avoid
this happening in the future.
** Changed in: zfs-linux (Ubuntu)
Importance: Undecided => Low
** Changed in: zfs-linux (Ubuntu)
Status: New => Triaged
Do you mind running the following command and posting the output to the
bug?
dpkg -l | grep zfs
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https://bugs.launchpad.net/bugs/1870559
Title:
Kernel NULL pointer derefer
** Changed in: zfs-linux (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1860182
Title:
zpool scrub malfunction after kernel upgrad
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