Re: [next-20130118] Analyzing a call-trace reproducible withpm_test/freezer [ X86|RCU|TTY|EXT4FS|JBD2|PM related? ]

From: Sedat Dilek
Date: Sat Jan 19 2013 - 18:06:14 EST


On Sat, Jan 19, 2013 at 11:59 PM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
> On Sat, Jan 19, 2013 at 11:56 PM, Ilya Zykov <ilya@xxxxxxx> wrote:
>> On 20.01.2013 2:51, Sedat Dilek wrote:
>>> On Sat, Jan 19, 2013 at 11:43 PM, Ilya Zykov <ilya@xxxxxxx> wrote:
>>>> Hello!
>>>> I don't expert, but
>>>> maybe it can help.
>>>>
>>>> I test with:
>>>> while echo mem > /sys/power/state; do sleep 2; done
>>>> in one X-terminal, in other I trying playing with keyboard.
>>>> (Without playing all right I use ext3.)
>>>
>>> Can you test with the patches listed in [1] (including two TTY patches
>>> from you!)?
>>> My base is Linux-Next (next-20130118).
>>> FYI: My Ubuntu/precise is EXT4FS-formatted.
>>>
>> Ok.
>> but not now I have 3.00 night.
>> I already use this in my 3.8.0-rc3-next-20130118-pm+.
>> tty: Correct tty buffer flush.
>>
>
> The TTY patches are not enough, you need in addition the JBD2 fix [1].
>

Attached is a testcase script which helped here to hit the issue!

- Sedat -

> - Sedat -
>
> [1] http://patchwork.ozlabs.org/patch/207237/
>
>>

Attachment: run_pm-test.sh
Description: Bourne shell script