Re: 2.6.22-rc3 hibernate(?) fails totally - regression (xfs on raid6)

[Tejun Heo]

David Greaves wrote:
> Duane Griffin wrote:
>> On 07/06/07, David Greaves <david@xxxxxxxxxxxx> 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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