Re: [OOPS] 2.6.21-rc6-git5 in cfq_dispatch_insert

[Jens Axboe]

On Wed, Apr 18 2007, Brad Campbell wrote:
> Jens Axboe wrote:
> 
> >I had something similar for generic_unplug_request() as well, but didn't
> >see/hear any reports of it being tried out. Here's a complete debugging
> >patch for this and other potential dangers.
> >
> 
> I had a clean 2.6.21-rc7 that I forgot to change the default sched on take 
> down my main server last night. Another oops of the same variety. 
> Unfortunately only a digital photo to go by though.
> 
> I've removed Neil's patch, applied yours and fired it up on my 4 drive test 
> box (the one that was causing the trouble before). I've finally scrounged 
> another machine for a serial logger and I'll beat it until it breaks. 
> Perhaps if I can get this to reliably trigger again we can track it down.

Thanks for testing Brad, be sure to use the next patch I sent instead.
The one from this mail shouldn't even get you booted. So double check
that you are still using CFQ :-)

-- 
Jens Axboe

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