[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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misko, the next step is to fully commit bisect from kernel 4.4 to 4.8 in
order to identify the last good kernel commit, followed immediately by
the first bad one. This will allow for a more expedited analysis of the
root cause of your issue. Could you please do this following
Hi penalvch,
I just reproduced it with
linux-image-4.9.0-040900-generic_4.9.0-040900.201612111631_amd64.deb
(after removing modprobe.conf to disable sound on HDMI):
[ 772.242777] CPU: 3 PID: 6410 Comm: DOM Worker Tainted: G L
4.9.0-040900-generic #201612111631
[ 772.242780]
misko, to keep this relevant to upstream, one would want to periodically
check for, and test the latest mainline kernel (now 4.9) as it is
released.
Could you please advise?
** Attachment removed: "bugreport.tar.gz"
Further info:
After adding this line to my modprobe-settings:
options snd-hda-intel enable=1,0
(which disables the audio-output on the HDMI-port)
I was not able to reproduce the issue anymore.
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Hi,
retried with the kernel-parameter softlockup_panic=1 , to get a stack-strace.
For me, the stacktrace seems to point to the sound-driver:
[ 180.226284] NMI watchdog: Watchdog detected hard LOCKUP on cpu 1^AdModules
linked in:^Ac ccm^Ac rfcomm^Ac vmw_vsock_vmci_transport^Ac vsock^Ac
What can I else do to find out what the kernel is doing while my computer does
not respond? (can I turn the kernel or at least some of its modules to more
verbose logging?)
btw: what does the "rubbish" in the kern.log mean? Does it indicate an error in
the filesystem or SSD driver? (or does it
** Attachment added: "netconsole-log with latest mainline kernel
4.9.0-040900rc8-generic #201612051443"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1647048/+attachment/4788307/+files/netconsole_mainline.log
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
previous comment is truncated ...
freezes still occur, and the netconsole still shows soft lockups:
[ 3189.046151] snd_hda_intel :01:00.1: Disabling via vga_switcheroo
[ 3189.130803] systemd-journald[328]: Successfully sent stream file descriptor
to service manager.
[ 3189.130878]
Tested with latest mainline-kernel, problem still persists, see
kern.log:
...
Dec 6 22:00:06 orbit NetworkManager[836]: [1481058006.9063] dns-mgr:
Writing DNS information to /sbin/resolvconf
Dec 6 22:00:06 orbit NetworkManager[836]: [1481058006.9149] device
(wlp3s0): Activation:
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.9 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
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