Re: 2.6.39 Block layer regression was [Bug] Boot hangs with 2.6.39-rc[123]]

[Jens Axboe <jaxboe@fusionio.com>]

On 2011-04-21 20:30, Christian Kujau wrote:
> Linus Torvalds wrote on 2011-04-21 10:59 :
>> As of right now, all _known_ block bugs should be fixed in the stuff I
>> just pushed out, with the current top-of-tree being the merge of the
>> IDE CD endless loop issue and the NULL ptr oops at elevator change
>> time:
> 
> OK, thanks.
> 
>> That said, that udevd message of yours would imply a full root
>> filesystem, which can cause any amount of issues at boot time..
> 
> My /dev is mounted as udev and is 10MB in size, which is more than
> enough for kernels < 2.6.39. But with 2.6.39 something changed and
> /dev/.udev/queue.bin is growing to 7 MB and more, udevd is spinning like
> crazy and the OOM is reaping processes.
> 
> I'm currently in the middle of a bisect, with 11 steps to go on this
> PowerBook G4 :-\

Please try Linus -git as of now, it could be the excessive udev events
for media change that is causing your problem.

-- 
Jens Axboe