lkml.org 
[lkml]   [2008]   [Mar]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Linux 2.6.25-rc4
On Thu, Mar 06 2008, Anders Eriksson wrote:
>
> jens.axboe@oracle.com said:
> >> I was a bit unclear on this, the problem is easily reproducible but _only_
> >> on Anders' system (I couldn't reproduce it with smartd here either).
>
> > What IO scheduler is Anders using (and does it have an impact, eg does it
> > hang with deadline as well)?
>
> CONFIG_IOSCHED_NOOP=y
> CONFIG_IOSCHED_AS=y
> CONFIG_IOSCHED_DEADLINE=y
> CONFIG_IOSCHED_CFQ=y
> CONFIG_DEFAULT_IOSCHED="cfq"
>
> On request here's a sysrq-t from smartd on -rc3, you also see exactly where
> smartd gives up (using the gentoo default smasrtd.conf).

Can you try with noop or deadline as the default, to see if it
reproduces with them?

> Might a strace of smartd help?

Nope, looking at the trace it'll be stuck waiting for the ioctl to
finish.

--
Jens Axboe



\
 
 \ /
  Last update: 2008-03-07 09:51    [W:0.706 / U:0.544 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site