Re: 2.6.24-git2: Oracle 11g VKTM process enters R state on startup and is unkillable [still broken in 2.6.25-rc1]

[Rafael J. Wysocki]

On Monday, 11 of February 2008, Linus Torvalds wrote:
> 
> On Mon, 11 Feb 2008, Rafael J. Wysocki wrote:
> 
> > On Monday, 11 of February 2008, Alessandro Suardi wrote:
> > > >
> > > > 2.6.24-git1 is okay
> > > > 2.6.24-git2 is bad
> 
> Ok, that's git ID's
> 
> 	b47711bfbcd4eb77ca61ef0162487b20e023ae55 2.6.24-git1
> 	9b73e76f3cf63379dcf45fcd4f112f5812418d0a 2.6.24-git2
> 
> so if you get a git tree, you can do
> 
> 	gitk b47711b..9b73e76
> 
> to see what happened in there. 
> 
> However, the obvious candidates are the scheduler or the ocfs2 merge, and 
> the latter is only relevant in case you use ocfs2, of course. 
> 
> The rest of it tends to be the DVB and SCSI updates.
> 
> But it would be great if you could do a bisect and verify. Just do
> 
> 	git bisect start
> 	git bisect good b47711bfbcd4eb77ca61ef0162487b20e023ae55
> 	git bisect bad 9b73e76f3cf63379dcf45fcd4f112f5812418d0a
> 
> and off you go..

Well, I've already bisected that down to commit
6f505b16425a51270058e4a93441fe64de3dd435 "sched: rt group scheduling" and
provided a simple test case.  Moreover, there are patches from Peter that fix
the problem, but they are lost somewhere in the way from him to you (please see
http://lkml.org/lkml/2008/2/5/535 and http://lkml.org/lkml/2008/2/6/320).

Thanks,
Rafael
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