I guess this is a dupe of LP: #1768852.
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Title:
kernel oops when I undocked
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I intend to do this, but I expect it to eat up a few hours of time so
just haven't gotten around to it.
On Wed, May 30, 2018 at 01:50:18PM -, Christopher M. Penalver wrote:
> Anders Kvist:
> >"Christopher, I believe the solution is in the redhat bug mentioned earlier.
> https://bugzilla.redha
Anders Kvist:
>"Christopher, I believe the solution is in the redhat bug mentioned earlier.
https://bugzilla.redhat.com/show_bug.cgi?id=1565131";
What is most helpful is if one confirms with their hardware via adding
and reverting the potential fix commit that it does indeed address their
issue.
Christopher, I believe the solution is in the redhat bug mentioned
earlier.
https://bugzilla.redhat.com/show_bug.cgi?id=1565131
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Title:
kernel o
Frew Schmidt, please address all of the following:
1) Could you please execute the following via a terminal to attach debugging
logs:
apport-collect 1767452
2) The next step is to fully reverse commit bisect from kernel 4.16.6 to
4.17-rc3 in order to identify the last bad commit, followed immedi
** Package changed: linux-signed (Ubuntu) => linux (Ubuntu)
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Title:
kernel oops when I undocked
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ht
Cool! I'll try this weekend :D
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Title:
kernel oops when I undocked
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Good news! the 4.17.0-rc3 kernel *fixed this issue*! You can get it
here: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17-rc3/ I only
tried undocking once so far but hey, I was able to undock and redock and
there was no oops in dmesg. I will likely try again later throughout
the day for var
Same.
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Title:
kernel oops when I undocked
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Yea, I cannot do a shutdown, it will hang during something with
thunderbolt and I have to do a hard poweroff :/
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Title:
kernel oops when I undock
I just realized why I thought this was not predictable. The system
continues to function just fine after the Oops *until* I close my
laptop. Once I close my laptop the whole thing freezes and does not
recover. Attaching one last kernel log and then will leave it alone
till someone asks for more d
I haven't had a single undock that worked, but I only tried with the
18.04 live installer, so guess that kernel already may be behind...
My hardware is a Lenovo X1 Carbon 5th generatin and a Lenovo ThinkPad
Thunderbolt 3 Dock
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I reproduced this this afternoon with the latest stable kernel (4.16.6.)
See attached subset of the kernel log. I'll try with 4.17 tomorrow.
** Attachment added: "kern2.log"
https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1767452/+attachment/5131193/+files/kern2.log
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You recei
I do have a Thunderbolt dock, but it is not so trivially reproducable
for me. Most of the time I can undock and redock just fine. I
suspect I did something in an unusual order, like closed my laptop and
*then* undocked, instead of undocking first.
On Mon, Apr 30, 2018 at 04:49:52PM -, Anders
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-signed (Ubuntu)
Status: New => Confirmed
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Title:
I assume you have a Thunderbolt dock? I see the same, happens each time
after undocking and then the dock won't work anymore until a reboot.
It seems to be a problem with a double dereference in xhci dbgtty. Check
this bug at redhat, which describes the problem and also has a fix:
https://bugzill
Here's the above in an (unmunged) attachment
** Attachment added: "kern.log"
https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1767452/+attachment/5128741/+files/kern.log
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