For me it does not work on a Fujitsu Lifebook U7610 and Ubuntu 20.04.4
with Kernel 5.4.0-133.127 and even HWE-Kernel 5.13.0-44.49-20.04.28
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Patch recommended by Hao
** Patch added: "43255ca.diff"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1958004/+attachment/5561449/+files/43255ca.diff
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Public bug reported:
Probably related to this Bug
https://bugs.launchpad.net/ubuntu/+source/linux-oem-5.6/+bug/1876567
My server gets totally unresponsive (keyboard, no network, num lock
doesn't work, ...), even sysresq does not work most of the times.
The Problem seems to be related with nfs
314572800
# cat /proc/meminfo | grep Writeback:
Writeback:572108 kB
# dd if=/dev/zero of=/test bs=1M count=10; rm /test
10+0 records in
10+0 records out
10485760 bytes (10 MB, 10 MiB) copied, 126.529 s, 82.9 kB/s
Could there be a bug in kernel 4.15.0-137-generic and above?
ayfs has the same error.
Regards
Christoph
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usr, /var etc., I get an error "Operation not
supported" when I try to create a new file or directory.
Because of that problem, I switched from aufs to overlayfs, but
overlayfs has the same error.
Regards
Christoph
To manage notifications about this bug go to:
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Still happens with kernel 5.4.0-54, today my (nfs-)server crashed too.
How can we help to fix this issue?
Thanks
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https://bugs.launchpad.net/bugs/1876567
Title:
Seems to be the same problem with 5.4.0-45, only my system (client)
freezes completely.
System freezes while accessing nfs-share, mounted with following
options:
Last stable kernel which I'm currently using is 5.4.0-39-generic.
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Title:
ubuntu 20.04 nfs page fault since Kernel 5.3 (?)
Update to Kernel 5.3.0-59 of today seems to have fixed the bug. It took
more than one reboot to fix.
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https://bugs.launchpad.net/bugs/1880041
Title:
Failing to
Same problem with
* Gigabyte B450M DS3H AMD B450
* AMD Athlon 200GE
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Title:
Failing to shutdown/power off or reboot on AMD Ryzen
Public bug reported:
When no display is connected to the HDMI port of the integrated graphics
card (i915), one core will go to 100% load until a display is plugged in
again.
For a headless system the workaround is to blacklist the i915 module in
grub.
There are several patches around:
Sorry, forgot to mention that I'm on eoan since yesterday and this error
did not appear in disco
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https://bugs.launchpad.net/bugs/1836986
Title:
Kernel 5.2.0-8:
Getting the same error on an Asus Zenbook UX330
dmesg output is:
[6.324661] iwlwifi :02:00.0: Applying debug destination EXTERNAL_DRAM
[6.475651] iwlwifi :02:00.0: Applying debug destination EXTERNAL_DRAM
[6.556523] iwlwifi :02:00.0: FW already configured (0) -
Just for the record, this still breaks upgrades from 19.04 (I updated
today) because dkms tries to build things (nvidia and virtualbox here)
for the 19.04 kernel and fails.
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as you recommended.
Cheers,
Christoph
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https://bugs.launchpad.net/bugs/1824981
Title:
cifs set_oplock buffer overflow in strcat
Status in linux package in Ubuntu:
Fix
Yes, there are two issues that got mixed up in this single bug report.
1) strcat
Imho there are not many ways strcat could overflow in that single
function. My patch (especially the strncpy()) should fix the buffer
overflow and thereby my inititial issue.
Your solution still had that strcat
From: Steve French
Date: Tue, 7 May 2019 11:13:34 -0500
merged into cifs-2.6.git for-next
** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Christoph Probst (christophprobst)
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There is now a kernel patch for cifs that is supposed to fix the buffer
overflow in strcat.
Details see https://patchwork.kernel.org/patch/10931327/
An alternative workaround is to downgrade the connection to SMB2 (mount
option vers=2.0) as the bug only affects SMB2.1 and SMB3 code.
Regarding
We installed the latest upstream kernel 5.1.0-050100rc7-generic (Ubuntu
version from https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.1-rc7/)
with still triggers a NULL pointer dereference from cifsoplockd.
I was hoping "CIFS: keep FileInfo handle live during oplock break"[1]
might fix our
And now a crash with the special 4.15.0-48-generic #51~lp1824981 kernel.
So the buffer overflow is NOT fixed with any 4.15 or 4.18 kernel
currently available with Ubuntu.
We started some IO-intense tasks lately that didn't run the last 2
weeks. That seems to be the trigger for the bug buffer
Oh no. Had a strcat buffer overflow with 4.15.0-48-generic. Issue is NOT
solved.
Apr 29 19:29:00 kernel: [78713.491646] detected buffer overflow in strcat
Apr 29 19:29:00 kernel: [78713.491685] [ cut here ]
Apr 29 19:29:00 kernel: [78713.491686] kernel BUG at
4.15.0.47-generic
kernel BUG at /build/linux-6ZmFRN/linux-4.15.0/lib/string.c:1052!
Crashes system (requires hard reboot or SysRQ+b)
4.18.0-17-generic
kernel BUG at /build/linux-hwe-4PejID/linux-hwe-4.18.0/lib/string.c:1052!
Crashes system (requires hard reboot or SysRQ+b)
4.15.0-48-generic
Actually there is one waiting in state flush_work, one in
call_rwsem_down_read_failed and 12 in call_rwsem_down_write_failed.
The "flush_work" task call trace
genesplicer D0 53332 52566 0x
Call Trace:
__schedule+0x291/0x8a0
? __switch_to_asm+0x40/0x70
?
The "NULL pointer dereference" bug create state D pocesses waiting in
call_rwsem_down_write_failed.
[ +0.000341] genesplicer D0 53349 52579 0x8000
[ +0.000362] Call Trace:
[ +0.000346] __schedule+0x291/0x8a0
[ +0.000348] ? mempool_free+0x2f/0x90
[ +0.000347]
Yes, it happend once with 4.18.0-17 (see kernel.log below) and once with
4.15.0-48. Haven't seen this one on 4.15.0-46-generic or
4.15.0-47-generic before.
Apr 17 18:51:53 Linux version 4.18.0-17-generic (buildd@lgw01-amd64-021) (gcc
version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #18~18.04.1-Ubuntu
New variant of kernel bug appeard in both 4.18.0-17 (package manager)
and in 4.15.0-48 (provided by @kaihengfeng). System didn't crash
(compared to "buffer overflow in strcat" where cifs can't recover). Have
seen this one twice, both within 3-7 hours after reboot.
Apr 22 17:28:23 Linux version
Here are some details from proc what is happening on our servers. Both
running 4.15.0-47-generic.
server13 / uptime 2 days
# cat /proc/fs/cifs/Stats
Resources in use
CIFS Session: 1
Share (unique mount targets): 2
SMB Request/Response Buffer: 1 Pool size: 5
SMB Small Req/Resp Buffer: 1 Pool size:
I tried Ubuntu kernel "4.18.0-17-generic #18~18.04.1-Ubuntu". Crashed
the same way on high load as the 4.15.0-47 does.
Now testing 4.15.0-48 from Kai-Heng.
Still haven't found the trigger for that bug. Seems to be load related - we're
having five servers each running many threads
** Summary changed:
- cifs related buffer overflow in strcat
+ cifs set_oplock overflow in strcat
** Summary changed:
- cifs set_oplock overflow in strcat
+ cifs set_oplock buffer overflow in strcat
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System is firewalled so apport-collect wouldn't work. Relevant details
should already be included in the bug report.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Public bug reported:
Ubuntu 18.04.2 LTS
Linux SRV013 4.15.0-47-generic #50-Ubuntu SMP Wed Mar 13 10:44:52 UTC 2019
x86_64 x86_64 x86_64 GNU/Linux
DELL R740, 2 CPU (40 Cores, 80 Threads), 384 GiB RAM
top - 12:39:53 up 3:41, 4 users, load average: 66.19, 64.06, 76.90
Tasks: 1076 total, 1
I confirm that too on Dell Precision 5530 (Intel Corporation Wireless-AC 9260)
and Manjaro Cinnamon, Kernel 4.19.1
But it only occures if i have Bluetooth device discovery open and then only all
16s! So it must be related to that.
BT Headset is working anyway but sometimes interrupted but
No problem,
the just come alonge with each other...so DP idle in dmesg and "change
/devices/pci:00/:00:02.0/drm/card0" with "$ udevadm monitor"
I think it has something to do with the add and remove of additional DP4
to DP6 connectors (udev reports this). This seems to trigger something
Hi Georgi
mhh strange as it has the same steps to reproduce and covers the dmesg with the
same messages:
[ 1294.752820] [drm:intel_ddi_prepare_link_retrain [i915]] *ERROR* Timeout
waiting for DDI BUF B idle bit
[ 1294.880066] [drm:intel_dp_start_link_train [i915]] *ERROR* Timed out waiting
for
Small addition:
Also with mentioned Kernel 4.18.16-041816-generic getting the same result,
maybe even more often. And also while plugin dock. But that may also happen
with 4.18.10.
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I tried Piotr's setup and it worked only sometimes:
- Ubuntu 18.10 default install
- Kernel 4.18.10
- Dell Precision 5530 (similar XPS 15 9570)
The Xorg freezes with udev spamming following message when i remove the dock:
KERNEL[1058.705239] change /devices/pci:00/:00:02.0/drm/card0
[Fri Sep 28 00:06:28 2018] radeon :01:00.0: ring 0 stalled for more than
10248msec
[Fri Sep 28 00:06:28 2018] radeon :01:00.0: GPU lockup (current fence id
0x00404e50 last fence id 0x00404edc on ring 0)
[Fri Sep 28 00:06:28 2018] radeon :01:00.0: ring 3 stalled for
** Changed in: bluez (Ubuntu)
Status: In Progress => Confirmed
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https://bugs.launchpad.net/bugs/1759628
Title:
bluez regression: Bluetooth audio fails to reconnect
the OS deemed it necessary to perform an emergency shutdown
without any warning.
I don't know whether this is a problem in gnome power management or
the kernel but please, please find a fix for this! Or provide some
workaround.
Best regards
Christoph Grimmer-Dietrich
To manage
some
workaround.
Best regards
Christoph Grimmer-Dietrich
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reason the OS deemed it necessary to perform an emergency shutdown
without any warning.
I don't know whether this is a problem in gnome power management or the
kernel but please, please find a fix for this! Or provide some
workaround.
Best regards
Christoph Grimmer-Dietrich
** Affects: linux
Can confirm lirel's observation about #1705345. Killing plymouth --ping
made the installation continue for me.
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https://bugs.launchpad.net/bugs/1742293
Title:
Kernel
apport information
** Tags added: apport-collected zesty
** Description changed:
When putting my laptop on a docking station the system did not detect
the external monitor attached via DP. I took the laptop of the station
and put it back on. Still nothing happend so I decided to reboot
apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1706275/+attachment/4921196/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1706275/+attachment/4921197/+files/ProcEnviron.txt
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I recently tried going up to 4.12. Unity did start but the firmware for
the Intel wireless device did not load. So I'm running a recent 4.11
right now. Since I use the laptop for work I'm reluctant to install a
RC. The 4.12 did mess up enough ☺️
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Hallo Joseph,
The bug did only occur when using 4.11.3 from kernel.ubuntu.com. 4.11.2 was
running fine as well as my currently used 4.11.8. I switched to the
upstream kernel due to severe problems with my bluetooth headset as well as
the lacking DP support.
2017-07-14 15:32 GMT+02:00 Joseph
apport information
** Tags added: apport-collected
** Description changed:
I installed the recent 4.11.3 kernel from the packages downloaded from
kernel.ubuntu.org
After rebooting unity did not start properly. I had no dash, no
decorations and no dock. After starting unity manually
apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1694167/+attachment/4914628/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1694167/+attachment/4914629/+files/ProcEnviron.txt
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Hello,
i face the same problem on my Thinkpad T450s.
I tested different Ubuntu versions with live-usb: Ubuntu 14.05, Ubuntu 16.04,
Ubuntu 17.04, Linux Mint 18.2
The error always occurs on startup, with or without hdd. (BTW: I tried
different USB drives)
On top of that i installed Windows 10
Same bug on Lenovo Helix 2.
According to this mailinglist post, the provided patch should work on the helix
2 without modification, because the reported key codes are the same:
https://sourceforge.net/p/ibm-acpi/mailman/message/27879361/
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Ubuntu 16.10 with the current 4.8 kernel. The headset worked like a
charm until now. After the last reboot connecting the headset freezes
video playback in chrome and firefox. This sucks pretty bad.
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In the meantime I can confirm, that my modifications as described in
comment #39 of 2016-03-27 resulted in a stable Lubuntu system.
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https://bugs.launchpad.net/bugs/1172852
Affects me too.
Lubuntu 14.04 LTS Live CD performs well with keyboard and mouse. I use a
Pentium 4 desktop PC from 2003 with 512 MB RAM.
After install of Lubuntu 14.04 LTS over an old 12.04 onto hard disk my
PS/2 keyboard and USB mouse are no longer recognized. Thus cannot log in
when the X
thank you, installing now. :-)
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https://bugs.launchpad.net/bugs/1548867
Title:
After upgrading to 4.2.0.30 there's no desktop
Status in linux package in Ubuntu:
Fix
@jsalisbury: just to be clear: it's confirmed that jumping from 4.2.0.27
to the current repo version of linux-image-generic, 4.2.0.34.37, should
be safe and avoid this bug?
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*** This bug is a duplicate of bug 1504781 ***
https://bugs.launchpad.net/bugs/1504781
same problem with latest precise 3.2.x kernel.
root@host:~# cat /proc/version
Linux version 3.2.0-92-generic (buildd@lgw01-16) (gcc version 4.6.3
(Ubuntu/Linaro 4.6.3-1ubuntu5) ) #130-Ubuntu SMP Mon Oct
Any news here? This bug still exists in 14.04.2.
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https://bugs.launchpad.net/bugs/788540
Title:
[Thinkpad T410s] Mute indicator gets out of sync
Status in linux package
I have tested it with the new kernel 3.14, but the same failure as 3.13
I have it also tested with another Bladecenter H with MM2 and
Bladeserver LS22 with 14.04. and the same problem.
Best regards
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Public bug reported:
After the installation is no interaction with the Keyboard of the IBM
Bladecenter with Management Module MM2 possible.
The Installation-Method is with no problem possible and all keyboard inputs are
OK. With the old version 12.04 the keyboard inputs are also good.
But
], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: christoph 3120 F pulseaudio
/dev/snd/controlC0: christoph 3120 F pulseaudio
CRDA:
country BE:
(2402
Hello,
I had already the F.0F-Bios installed:
christoph:~$ sudo dmidecode -s bios-version sudo dmidecode -s
bios-release-date
[sudo] password for christoph:
68CVD Ver. F.0F
03/09/2011
I will run again an apport-collect to update the info about my system.
Cheers,
Christoph
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the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
---
AlsaVersion
. But
then, the host does not reboot automatically, and no dump-file is in
/var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion
/sysrq-trigger
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
-trigger
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
-trigger
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
-trigger
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
-trigger
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
---
AlsaVersion
/sysrq-trigger
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
---
AlsaVersion
/sysrq-trigger
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
-trigger
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
the machine freezes. I see the disk-light blinking for a short time.
But then, the host does not reboot automatically, and no dump-file is
in /var/crash.
With Oneiric everything worked as expected.
How can I provide more debugging info to you?
Thanks,
Christoph
---
AlsaVersion
]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: christoph 3120 F pulseaudio
/dev/snd/controlC0: christoph 3120 F pulseaudio
CRDA:
country BE:
(2402 - 2482 @ 40), (N/A, 20)
(5170 - 5250
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
Uname: Linux 3.11.0-12-generic x86_64
ApportVersion: 2.12.5-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC0: christoph 3148 F pulseaudio
christoph 11811 F
done filing bug report.
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https://bugs.launchpad.net/bugs/1212199
Title:
10ec:8168 [MSI P35 Neo] Network not working after resume from suspend
Status in “linux” package in
I have still no solution but I have found a workaround:
Create a new shellscript named hibernate.sh. Open it with gedit and
paste the following code:
gnome-screensaver-command -l
dbus-send --system --print-reply \
--dest=org.freedesktop.UPower \
/org/freedesktop/UPower \
The issue remains on Ubuntu 13.04. Please, does anybody has any hints
for me?
I tried out removing the arguments as explained in
https://wiki.ubuntu.com/Kernel/CrashdumpRecipe#Troubleshooting, without
success.
Thanks!
Christoph
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