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

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Message-ID: <CA+icZUVqR9FCk4PcoXJJwa+zEkU3rf6cDwvYKkocfJpVhGo7xQ@mail.gmail.com>
Date:	Sat, 19 Jan 2013 23:59:15 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Ilya Zykov <ilya@...x.ru>
Cc:	linux-next <linux-next@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PM List <linux-pm@...ts.linux-foundation.org>,
	linux-serial@...r.kernel.org,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>, x86@...nel.org,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, "Theodore Ts'o" <tytso@....edu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Paul McKenney <paul.mckenney@...aro.org>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Jan Kara <jack@...e.cz>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [next-20130118] Analyzing a call-trace reproducible with
 pm_test/freezer [ X86|RCU|TTY|EXT4FS|JBD2|PM related? ]

On Sat, Jan 19, 2013 at 11:56 PM, Ilya Zykov <ilya@...x.ru> wrote:
> On 20.01.2013 2:51, Sedat Dilek wrote:
>> On Sat, Jan 19, 2013 at 11:43 PM, Ilya Zykov <ilya@...x.ru> 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].

- Sedat -

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

>
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