Re: [PATCH] Time sliced CFQ #2

Jens Axboe
2004-12-06T09:35:54Z

On Mon, Dec 06 2004, Prakash K. Cheemplavam wrote:
> Hi,
>
> this one crapped out on me, while having heavy disk activity. (updating
> gentoo portage tree - rebuilding metadata of it). Unfortunately I
> couldn't save the oops, as I had no hd access anymore and X would freeze
> a little later...(and I don't want to risk my data a second time...)

Did you save anything at all? Just the function of the EIP would be
better than nothing.
>
> I think it had to do with preempt, or even preempt big kernel lock, as I
> could read something about it. I applied your patch to 2.6.10_rc3-ck1. I
> attached my config, if you want to try yourself with that kernel. cfq2
> runs w/o probs.

Well hard to say anything qualified without an oops :/

I'll try with PREEMPT here.

--
Jens Axboe