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Message-ID: <46681094.4070103@gmail.com>
Date: Thu, 07 Jun 2007 23:05:08 +0900
From: Tejun Heo <htejun@...il.com>
To: David Greaves <david@...eaves.com>
CC: Duane Griffin <duaneg@...da.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
"Rafael J. Wysocki" <rjw@...k.pl>, xfs@....sgi.com,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
linux-pm <linux-pm@...ts.osdl.org>, Neil Brown <neilb@...e.de>
Subject: Re: 2.6.22-rc3 hibernate(?) fails totally - regression (xfs on raid6)
David Greaves wrote:
> Duane Griffin wrote:
>> On 07/06/07, David Greaves <david@...eaves.com> wrote:
>>> > How hard does the machine freeze? Can you use sysrq? If so, please
>>> > dump sysrq-t.
>>> I suspect there is a problem writing to the consoles...
>>>
>>> I recompiled (rc4+patch) with sysrq support, suspended, resumed and
>>> tried
>>> sysrq-t but got no output.
>>>
>>> I *can* change VTs and see the various login prompts, bitmap messages
>>> and the
>>> console messages. Caps/Num lock lights work.
>>>
>>> Fearing incompetence I tried sysrq-s sysrq-u sysrq-b and got a reboot
>>> so sysrq
>>> is OK.
>>
>> Try sysrq-9 before the sysrq-t. Probably the messages are not being
>> printed to console with your default output level.
>
> Good idea :)
> Didn't work :(
Can you setup serial console and/or netconsole (not sure whether this
would work tho)?
--
tejun
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