** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
mlx5 VF LAG flapping
Status in linux package in Ubuntu
Public bug reported:
Getting a call trace below with the 5.17.0-1003-oem OEM kernel.
HW: Lenovo 21D4000HUS
WNIC: 04:00.0 Network controller: Qualcomm QCNFA765 Wireless Network
Adapter (rev 01)
~$ uname -r
5.17.0-1003-oem
ноя 03 10:22:47 dz16 kernel: wlp4s0: send auth to aa:46:8d:38:07:9d (try
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1995207/+attachment/5628252/+files/WifiSyslog.txt
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** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1995207/+attachment/5628248/+files/ProcInterrupts.txt
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** Attachment added: "UdevDb.txt"
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** Attachment added: "RfKill.txt"
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** Attachment added: "acpidump.txt"
https://bugs.launchpad.net/bugs/1995207/+attachment/5628253/+files/acpidump.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Attachment added: "Lspci-vt.txt"
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** Attachment added: "CurrentDmesg.txt"
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** Attachment added: "AudioDevicesInUse.txt"
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** Description changed:
Gnome shell crashed while I was doing web browsing.
A crash report was also submitted via apport. This is a fresh install of
Ubuntu 22.10.
~$ uname -r
5.19.0-23-generic
HW: 21D4000HUS with integrated graphics in Ryzen 7 PRO 6850H and
As far as looking at the practice of using stateless offload for
tunneled traffic:
I can see that there were tests performed on Intel HW in upstream OpenStack
with TX & TSO features enabled (albeit with VXLAN tunnels):
https://docs.openstack.org/developer/performance-docs/test_plans/hardware_feat
Marked this bug as invalid for charm-octavia and added Linux since this
is either a driver problem with bnxt and BCM57414 or a firmware issue.
The card in question: https://buy.hpe.com/us/en/options/adapters/host-
adapters/proliant-host-adapters/hpe-ethernet-10-25gb-2-port-
sfp28-bcm57414-adapter/
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: charm-octavia
Status: New => Invalid
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com/~phlin/kernel/lp-1957753-mlx5e/H/
I: https://people.canonical.com/~phlin/kernel/lp-1957753-mlx5e/I/
J: https://people.canonical.com/~phlin/kernel/lp-1957753-mlx5e/J/
Kernels tested on a SUT with this device by Dmitrii Shcherbakov, test
passed with positive feedback.
[Where problems cou
/people.canonical.com/~phlin/kernel/lp-1957753-mlx5e/H/
I: https://people.canonical.com/~phlin/kernel/lp-1957753-mlx5e/I/
J: https://people.canonical.com/~phlin/kernel/lp-1957753-mlx5e/J/
Kernels tested on a SUT with this device by Dmitrii Shcherbakov, test
passed with positive feedback.
753-mlx5e/F/
H: https://people.canonical.com/~phlin/kernel/lp-1957753-mlx5e/H/
I: https://people.canonical.com/~phlin/kernel/lp-1957753-mlx5e/I/
J: https://people.canonical.com/~phlin/kernel/lp-1957753-mlx5e/J/
Kernels tested on a SUT with this device by Dmitrii Shcherbakov, test
passed with posit
And, finally, the Jammy kernel:
$ uname -r
5.15.0-17-generic
$ sudo ip link set enp130s0f0 vf 2 vlan 0 ; echo $?
0
$ sudo ip link set enp130s0f0 vf 2 vlan 1 ; echo $?
RTNETLINK answers: Operation not permitted
2
** Changed in: linux (Ubuntu Focal)
Status: Incomplete => Confirmed
** Cha
Impish kernel looks good:
$ uname -r
5.13.0-28-generic
$ sudo ip link set enp130s0f0 vf 2 vlan 1 ; echo $?
RTNETLINK answers: Operation not permitted
2
$ sudo ip link set enp130s0f0 vf 2 vlan 0 ; echo $?
0
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Hirsute kernel looks good as well:
$ uname -r
5.11.0-50-generic
$ sudo ip link set enp130s0f0 vf 2 vlan 1 ; echo $?
RTNETLINK answers: Operation not permitted
2
$ sudo ip link set enp130s0f0 vf 2 vlan 0 ; echo $?
0
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Focal:
$ uname -r
5.4.0-97-generic
$ sudo ip link set enp130s0f0 vf 2 vlan 1
RTNETLINK answers: Operation not permitted
$ sudo ip link set enp130s0f0 vf 2 vlan 0 ; echo $?
0
Looks good - vlan 0 programming doesn't result in EPERM as expected
contrary to non-zero vlans.
Will try others as well.
Public bug reported:
There is an issue with hypervisor host side mlx5 driver operation on
Bluefield devices in kernels <=5.16 that was recently fixed in master
with a one-liner:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7846665d3504812acaebf920d1141851379a7f37
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Switch to libgpiod and disable CONFIG_GPIO_SYSFS
Statu
Public bug reported:
Ubuntu kernels are built with CONFIG_GPIO_SYSFS=y after
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1342153
debian.master/config/config.common.ubuntu: CONFIG_GPIO_SYSFS=y
However, this interface got deprecated for removal:
https://git.kernel.org/pub/scm/linux/kerne
Recently hit that on Focal due to the fact that quotas were enabled by
LXD.
This renders the system completely unresponsive if you use btrfs as a
rootfs with btrfs-transaction or btrfs-cleaner kernel threads hogging a
100% of 1 CPU core.
Booting using a live USB, disabling quotas and temporarily
** Tags added: champagne
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Title:
Poor quality audio with modern Bluetooth headsets in HSP/HFP. Missing
wide band speech support.
Sandor,
Not on the VRF usage side but there is a feature in MAAS 2.6 to have a
better way to work in multi-homed environments (for bionic+ machines):
https://docs.maas.io/2.6/en/intro-new
"Networking - Multiple default gateways"
It relies on "routing policy database" (RPDB) functionality
https:/
Setting to 'Confirmed' as the issue was fixed upstream and this is a
backport request.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Summary changed:
- bcache device is accessible even if a backing device is not (writeback mode)
+ [4.15] bcache device is accessible even
Public bug reported:
This is a request for a backport of the following upstream patch from
4.18:
"bcache: stop bcache device when backing device is offline"
https://github.com/torvalds/linux/commit/0f0709e6bfc3ce4e8e1c0e8573490c45f76cfeee
Field engineering uses bcache quite extensively and it wo
Tried using direct kernel boot with QEMU and couldn't reproduce it:
sha256sum
/mnt/libvirt-images/boot-resources-20190419-115735/snapshot-20190419-115735/ubuntu/amd64/generic/bionic/daily/boot-initrd
69ca457a119fe309d315972ca2756a17bd9bc55bc98f2bea5542566a7f41b08f
/mnt/libvirt-images/boot-resou
The bionic/ga files from #63 need to be placed into both dirs:
1) /var/lib/maas/boot-resources/current/ubuntu/amd64/ga-18.04/bionic/daily
2) /var/lib/maas/boot-resources/current/ubuntu/amd64/generic/bionic/daily
The sha256 of the *initrd file* that triggers the issue is
69ca457a119fe309d315972ca
tar -czvf boot-resources-20190419-115735-amd64-generic-bionic.tar.gz
boot-resources/snapshot-20190419-115735/ubuntu/amd64/generic/bionic/
boot-resources/snapshot-20190419-115735/ubuntu/amd64/generic/bionic/
boot-resources/snapshot-20190419-115735/ubuntu/amd64/generic/bionic/daily/
boot-resources/s
** Changed in: qemu (Ubuntu)
Status: Confirmed => Incomplete
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Title:
Composing a VM in MAAS with exactly 2048 MB RAM causes t
Tested bionic-hwe - the issue does not occur with 2048 MiB.
The closest issue filed upstream I found is this:
https://bugzilla.kernel.org/show_bug.cgi?id=199845
** Bug watch added: Linux Kernel Bug Tracker #199845
https://bugzilla.kernel.org/show_bug.cgi?id=199845
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Found something interesting.
Bionic + 2048 MiB of RAM (bad):
[1.520243] Unpacking initramfs...
[ 14.712821] Initramfs unpacking failed: broken padding
[ 14.723088] Freeing initrd memory: 56636K
Bionic + 2049 MiB of RAM (good):
[0.752624] Unpacking initramfs...
[5.572407] Freeing
I cannot reproduce the same with a xenial (GA kernel) image with 2048
MiB of RAM allocated to a VM.
So it seems to me that this is a kernel issue.
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The kernel code path mentioned in #55 is only executed if there is no
"early userspace init" - in other words, if there is no /init on initrd:
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/bionic/tree/init/main.c?id=Ubuntu-4.15.0-47.50#n1087
/*
* check if th
echo -n
'BOOT_IMAGE=http://10.10.101.2:5248/images/ubuntu/amd64/generic/bionic/daily/boot-kernel
nomodeset ro
root=squash:http://10.10.101.2:5248/images/ubuntu/amd64/generic/bionic/daily/squashfs
ip=maas-vhost6:BOOTIF ip6=off overlayroot=tmpfs
overlayroot_cfgdisk=disabled cc:{'datasource_l
Just reproduced it on my env (where things used to work) after updating
from MAAS 2.5.0~rc2 to 2.5.2.
https://paste.ubuntu.com/p/CY834ZGnvS/
[ 15.458594] VFS: Cannot open root device
"squash:http://10.10.101.2:5248/images/ubuntu/amd64/generic/bion"; or
unknown-block(0,0): error -6
tree /var/l
Had this with nvidia graphics drivers after installing and then removing
proprietary drivers downloaded from nvidia website. I could not log in
at all at first boot.
If you see nvidia modules loaded, make sure that you select an xorg
session on the login screen (not wayland) if you this control pr
nvidia-xconfig -generated xorg.conf looked like this
https://paste.ubuntu.com/p/4hRVzHmbJV/
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Title:
Unable to unlock the desktop ses
apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1807140/+attachment/5219760/+files/ProcInterrupts.txt
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** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1807140/+attachment/5219756/+files/Lspci.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1807140/+attachment/5219755/+files/CurrentDmesg.txt
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** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1807140/+attachment/5219762/+files/UdevDb.txt
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** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1807140/+attachment/5219761/+files/ProcModules.txt
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** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1807140/+attachment/5219758/+files/ProcCpuinfoMinimal.txt
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The information above is from a VM with a reproducer.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1807140/+attachment/5219757/+files/ProcCpuinfo.txt
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** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1807140/+attachment/5219763/+files/WifiSyslog.txt
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** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1807140/+attachment/5219759/+files/ProcEnviron.txt
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** Tags added: apport-collected uec-images
** Description changed:
I ran into a problem with the console argument handling on a physical
system with a BMC (Dell R610) and also reproduced the same behavior on a
QEMU/KVM VM with multiple serial ports.
The kernel docum
** Description changed:
I ran into a problem with the console argument handling on a physical
system with a BMC (Dell R610) and also reproduced the same behavior on a
QEMU/KVM VM with multiple serial ports.
- The kernel documentation notes that the last entry will
+ The kernel documentat
Public bug reported:
I ran into a problem with the console argument handling on a physical
system with a BMC (Dell R610) and also reproduced the same behavior on a
QEMU/KVM VM with multiple serial ports.
The kernel documentation notes that the last entry will
https://www.kernel.org/doc/Documenta
Got similar behavior with windows server 2012r2 VMs.
Environment:
uname -a
Linux ubuntu-q87 4.13.0-37-generic #42~16.04.1-Ubuntu SMP Wed Mar 7 16:03:28
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
ii linux-image-4.13.0-36-generic
4.13.0-36.40~16.04.1 am
Dup:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1728256
https://bugs.launchpad.net/qemu/+bug/1728256/comments/11
This affects other guests like W2k12r2 and Windows 10 as well.
** Tags added: cpe-onsite
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** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Title:
Memory corruption in Windows 10 guest / amd64
S
John,
Interfaces of a host carry enough information to be used to make routing
decisions - that's the core idea of host and router-side VRF
implementations. Network spaces as of now do not help you to solve
routing problems in any way unless you have one big L2 network and
"routing" is done withou
One additional detail. Even on 4.15 "Unhandled alg" can be reproduced
occasionally after disconnecting and reconnecting the adapter to an STA:
дек 22 22:12:45 blade kernel: iwlwifi :3b:00.0: Unhandled alg: 0x707
дек 22 22:12:45 blade kernel: iwlwifi :3b:00.0: Unhandled alg: 0x707
дек 22 22
Tested 9260NGW with different kernels (-33 for 4.13, -34 for 4.14 and
4.15):
1) 4.13.0-21.24 + iwlwifi-9260-th-b0-jf-b0-33.ucode: could not connect
to any network, "Unhandled alg: 0x707"
wlp59s0: associated
and then immediately
deauthenticating from ...
see https://paste.ubuntu.com/26234416/
I can confirm this behavior on 4.13 -> 4.15rc4 with Intel 9260NGW.
3b:00.0 Network controller: Intel Corporation Device 2526 (rev 29)
Subsystem: Intel Corporation Device 0014
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at dd20 (64-bit, non-prefetchable) [si
Andres,
I'm not going to be at the sprint but the problems described need a
proper solution in MAAS and Juju at least from the end host perspective.
Similar to how VLANs are supported natively in MAAS & Juju, L3
virtualization technologies like VRF should be as well. I hope the
information I will
*** This bug is a duplicate of bug 1737640 ***
https://bugs.launchpad.net/bugs/1737640
** This bug has been marked a duplicate of bug 1737640
/usr/sbin/fanctl: arithmetic expression: expecting primary | unconfigured
interfaces cause ifup failures
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Tested that on a "broken" environment (after a reboot with a broken
package):
root@maas-xenial3:~# apt install ubuntu-fan
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
ubuntu-fan
1 upgraded, 0 newly instal
This is reproducible on a machine with a single NIC:
https://paste.ubuntu.com/26170595/
** Summary changed:
- bridge activaction error: bridge activation failed | unconfigured interfaces
cause ifup failures
+ /usr/sbin/fanctl: arithmetic expression: expecting primary | unconfigured
interfaces
Before and after ifdown -> ifup with fan:
http://paste.ubuntu.com/26169937/
After purging:
http://paste.ubuntu.com/26169950/
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ubuntu-fan clearly triggers the problem.
Clean machine, no bridges after Juju installs ubuntu-fan and networking
still works as bridges were not created yet => no ifup/down executions:
root@maas-xenial3:/home/ubuntu# ifdown -a ; ifup -a
/usr/sbin/fanctl: 41: /usr/sbin/fanctl: arithmetic expressio
** Description changed:
Problem description:
* a host is multi-homed if it has multiple network interfaces with L3
addresses configured (physical or virtual interfaces, natural to
OpenStack regardless of IPv4/IPv6 and IPv6 in general);
+
+ (see 3.3.4 Local Multihoming
+ https://tools.
** Description changed:
Problem description:
* a host is multi-homed if it has multiple network interfaces with L3
addresses configured (physical or virtual interfaces, natural to
OpenStack regardless of IPv4/IPv6 and IPv6 in general);
* if all hosts that need to participate in L3
For Ubuntu kernel this is a backport request.
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Title:
VRF support to solve routing problems associated with multi-homing
Status in
Public bug reported:
Problem description:
* a host is multi-homed if it has multiple network interfaces with L3
addresses configured (physical or virtual interfaces, natural to
OpenStack regardless of IPv4/IPv6 and IPv6 in general);
* if all hosts that need to participate in L3 communication are
Looks like masking systemd-udevd removes this behavior. Need to figure
out where it actually clears everything out.
ubuntu@maas-xenial4:~$ sudo systemctl mask systemd-udevd
11:32 PM Created symlink from /etc/systemd/system/systemd-udevd.service to
/dev/null.
# reboot
ubuntu@maas-xenial4:~$ ls /
Ryan,
As discussed in IRC, I tweaked locations for testing in #11 and added
all paths in #14.
Looks like after `mount -n -o move /dev ${rootmnt}/dev` ${rootmnt}/dev
has the proper content (see the bcache rule as well)
https://paste.ubuntu.com/26082611/
== before ==
lrwxrwxrwx113
/de
Just in case also checked with this rule that creates links at /dev
/dev/disk/by-uuid /dev/bcache/by-uuid https://paste.ubuntu.com/26081756/
They are all there originally (see the screenshot).
But not there afterwards. So it's not just a problem with a different
path.
https://paste.ubuntu.com/26
After booting with break=bottom kernel parameter I can see that symlinks
are in fact present at the initramfs stage.
They are gone afterwards post pivot_root & systemd start (the bcache dir
isn't even present while it was there)
ubuntu@maas-xenial4:~$ ls /dev/disk/
by-dname by-id by-label by-p
We do run udevd at the initramfs stage in init-top and stop it in init-
bottom:
➜ scripts git:(ubuntu/xenial-updates) ✗ grep -RiP udev
init-bottom/udev:# Stop udevd, we'll miss a few events while we run init, but
we catch up
init-bottom/udev:udevadm control --exit
init-top/udev:SYSTEMD_LOG_LEVE
So, the kernel fix could look like this:
* instead of just failing with "device already registered"
* the kernel would emit another uevent with CACHED_UUID which would be
processed another time to set up a symlink
It seems like this approach with "synthetic uevents" may be used for
other purpose
I reviewed this once again:
1. persistent /dev/bcache - not possible or needed due to how kernel
enumeration works
2. our userspace handles /dev/by-dname/ properly so we just need
CACHED_UUID given to us during coldplug in some way to properly create
/dev/bcache/by-uuid/ symlinks and consequent
Marcos,
#68
Regardless of fastboot on/off I get the same behavior without
pcie_aspm=off
➜ ~ uname -r
4.13.0-16-generic
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Title:
A
** Tags added: cpe-onsite
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Title:
/dev/bcache/by-uuid links not created after reboot
Status in linux package in Ubuntu:
Triaged
S
So, going back to question in #60, the Dell link just says to get the
latest stuff from kvalo's firmware repo.
If you are on 17.10 like myself then you already have it and it doesn't
help with the original problem:
➜ ~ apt policy linux-firmware
linux-firmware:
Installed: 1.169
Candidate: 1.
There's also Intel 9260 coming up (wave 2):
https://wikidevi.com/wiki/Intel_Dual_Band_Wireless-AC_9260_(9260NGW)
Judging by this https://communities.intel.com/message/506847#506847 it's
only available for OEMs as of now so maybe those will go into
circulation soon for regular folks.
Meanwhile, I
There is a scenario where a real rootfs is located on a bcache device,
however, for that we need to register a bcache device at the initrd
stage which already happens now. Then we'd locate a file system on it
and do pivot_root and so on.
The bcache naming, I believe, is not guaranteed at this poin
Just to clarify on UUIDs - there are 3 types of UUIDs in question:
1. cache set UUIDs (upstream docs mention that multiple cache devices per cache
set are not supported but a configuration with M:N as in
: has been taken into account)
2. cache device superblock UUIDs;
3. backing device superbloc
Public bug reported:
I wanted to test a snap application called clementine and opened up
preferences after it was launched and playing music. After clicking on
something my whole system hanged.
Regardless of the app, I decided to lookup how something like that could
manage to "kill" the whole sys
Haven't noticed that issue on previous kernels although I was mostly
using NVIDIA GPU not integrated intel GPU as in this case.
I will try to reproduce this on 4.14
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Haven't noticed that issue on previous kernels although I was mostly
using NVIDIA GPU not integrated intel GPU as in this case.
I will try to reproduce this on 4.14
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Public bug reported:
окт 06 13:49:20 blade kernel: asynchronous wait on fence
i915:gnome-shell[2505]/1:42b timed out
окт 06 13:49:21 blade kernel: [drm] GPU HANG: ecode 9:0:0x96dbccee, in
qtdemux0:sink [5106], reason: Hang on rcs0, action: reset
окт 06 13:49:21 blade kernel: [drm] GPU hangs can
Gathering more evidence in support of a faulty motherboard theory.
At some point I got this (system wasn't under heavy load - just a
browser opened + remote video playback):
https://gist.github.com/dshcherb/06f4e4a0260b6d5313df1594d959849a#file-
nvme-failure-razer-dmesg-log-L2073
сен 10 22:23:3
Sorry, I should have mentioned that before: in the original test I also
had a device plugged in via usb type-c (thunderbolt 3) - that device had
an ethernet interface which you can see in the logs. It's another
problem that I need to debug because type-c hot-plug of that device
worked once but succ
I will try 2 things:
1. re-seat the card
2. get a card from a different manufacturer and test.
It might be a buggy slot in the motherboard and if the problem persists
with a new card I will know for sure that the slot is defective.
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