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Old 09-24-2012, 04:04 PM
Joseph Salisbury
 
Default LP:1054732 Added To Kernel Team Hot List

Hello,

I've added the following bug to the Kernel Team Hot List:
LP:1054732

* This bug is related to suspend/resume error messages.
* Many duplicates spiked over the weekend.
* Still triaging.

I'm still in the process of triaging this bug. I figured I'd add it to
the hot list since so many duplicates were reported in a short period of
time.


Thanks,

Joe



[0] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1054732

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Old 09-25-2012, 10:12 AM
Colin Ian King
 
Default LP:1054732 Added To Kernel Team Hot List

On 24/09/12 17:04, Joseph Salisbury wrote:

Hello,

I've added the following bug to the Kernel Team Hot List:
LP:1054732

* This bug is related to suspend/resume error messages.
* Many duplicates spiked over the weekend.
* Still triaging.


I've given these a quick review:

LP# kernel machine apparent cause
1054732 3.5.0-15.22-generic Lenovo X220 Tablet resume failed
1054503 3.5.0-15.22-generic Lenovo Edge E320 resume failed
1054781 3.5.0-15.22-generic ASUSTek 1001PXD resume failed
1054838 3.5.0-15.22-generic Acer AOA150 resume failed
1055100 3.5.0-15.22-generic MacBookPro6,2 resume failed
1055101 3.5.0-15.22-generic MacBookPro6,2 resume failed
1055371 3.5.0-15.22-generic Dell Studio 1555 S4 failed [0]
1055462 3.5.0-15.22-generic Lenovo TP T61 resume [1]
1055472 3.5.0-15.22-generic Lenovo TP W530 resume [2]
1055603 3.5.0-15.22-generic Gigabyte GA-MA785GM-US2H resumed failed
1055784 3.5.0-15.22-generic Toshiba A100 see [3]
1055789 3.5.0-15.22-generic Toshiba A100 resume failed

[0] This is a resume from hibernate failure, so not a duplicate.
[1] SleepLog.txt states it was suspended and never resumed, user says
they just shut it down.

[2] Apparently the machine suspended because of low power, and probably
powered off hence it never resumed, false positive bug report.
[3] No SleepLog.txt, I don't think this is a duplicate, no idea why this
failed, doubt its a resume failure.


Unfortunately none of these have any oops messages, so it's hard to see
what is failing. We should see if these can be gathered for the resume
failure cases.


Best way to approach this:

1. Find a willing user who can easily reproduce this
2. Ask them to edit /etc/default/grub (using sudo and favourite editor)
and change:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"

to

GRUB_CMDLINE_LINUX_DEFAULT=""

3. Run "sudo update-grub"

4. Reboot

5. Do a bunch of suspend/resumes, see if they catch any oopses (photo)
which we can then work on. If need be, maybe install fwts and run:


sudo fwts s3 --s3-multiple=50

to run 50 S3 cycles to see if we can trip the oops.

BTW, I've exercised this kernel with 50+ S3 cycles on an Lenovo X220 and
can't trip any issues and this H/W is very close to the one reported in
bug 1054732


Colin




I'm still in the process of triaging this bug. I figured I'd add it to
the hot list since so many duplicates were reported in a short period of
time.

Thanks,

Joe



[0] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1054732




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