Re: Waking up from suspend regression

[Tejun Heo <htejun@gmail.com>]

Jens Axboe wrote:
> On Wed, Aug 06 2008, Michael Brennan wrote:
>> Hi,
>>
>> I am having some major problems with the newest kernels on my Thinkpad R61i 
>> and I'm doing my best trying to debug the problems.
>>
>> One problem is waking up from suspend to RAM. Earlier kernels worked fine 
>> (e.g. 2.6.25), but with the latest the system is unusable after waking up.
>> When trying to wake the computer up it first is completely unresponsive with a 
>> black screen. After about 40 seconds it comes back alive and shows the locked 
>> screensaver. But whatever I do I just get error messages, trying to unlock 
>> the screen, it says authentication failed for some reason. If I try to log in 
>> from console I just get kernel messages about I/O errors from the SATA HDD.
>>
>> I have bisected this and get this behavior after the patch: 
>> [ce6fce4295ba727b36fdc73040e444bd1aae64cd] PCI MSI: Don't disable MSIs if the 
>> mask bit isn't supported
> 
> Same here, sata is dead after the resume. Thinkpad X60.
> 

Known bug && patch available.

http://bugzilla.kernel.org/show_bug.cgi?id=11178

-- 
tejun