[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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T
Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.8-rc3/
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Title:
System hangs when hot-plugging dual monitor
It had actually been working fine in 20.04 until a recent kernel update
to 5.4.0-33.37.
Since the update, it always fails with this stack trace:
[140594.217061] [ cut here ]
[140594.217062] sysfs group 'power' not found for kobject 'i2c-11'
[140594.217079] WARNING: CPU: 5
Please test 20.04.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Title:
System hangs when hot-plugging dual monitor dock
Issue still remains with the mainline kernel. The contents of the
kernel Oops message differs slightly, but still very similar:
[ 27.532858] BUG: unable to handle kernel NULL pointer dereference at
03e8
[ 27.532862] #PF error: [WRITE]
[ 27.532865] PGD 0 P4D 0
[ 27.532869] Oop
My bad, didn't notice it's AMD graphics instead of Intel graphics.
Please test mainline kernel.
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Title:
System hangs when hot-plugging dual monit
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v5.1-rc3 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 f
I don't think this issue is related to LP #1820811.
In #1820811, the hang always occurs when hot-plugging.
With this issue, if the device is cold plugged (plugged in at boot), it
can be disconencted and re-connected without issue.
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It's possible, though it's hard to confirm as I cannot find a kernel
OOPS message in that ticket.
If they can avoid hanging if the dock is plugged in when first booting,
then I think they are very likely related.
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Bugs, whic
Similar to LP: #1820811?
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Title:
System hangs when hot-plugging dual monitor dock
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I have verified this issue still exists in kernel version 4.18.0-10.
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Title:
System hangs when hot-plugging dual monitor dock
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Would it be possible to try kernel < 4.18.0-16?
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Title:
System hangs when hot-plugging dual monitor dock
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