Re: processes hung after sys_renameat, and 'missing' processes

[Peter Zijlstra <peterz@infradead.org>]

On Fri, 2012-06-08 at 10:38 -0400, Dave Jones wrote:
> On Fri, Jun 08, 2012 at 09:31:38AM +0200, Peter Zijlstra wrote:
> 
>  > > Can you check the compile error that Dave reported for
>  > > your patch, because right now Dave is running without it, afaik, due
>  > > to your lock-instance patch not really working in practice.
>  > 
>  > Oh, missed that in the thread.. yeah here goes.
>  > 
>  > Now also compile tested with CONFIG_LOCK_STAT...
> 
> Doesn't apply against Linus' current tree.
> 
> $ cat ../lock| patch -p1
> patching file include/linux/lockdep.h
> Hunk #1 FAILED at 211.
> Hunk #2 FAILED at 254.
> Hunk #3 FAILED at 363.
> Hunk #4 FAILED at 414.
> 4 out of 4 hunks FAILED -- saving rejects to file include/linux/lockdep.h.rej
> patching file include/trace/events/lock.h
> Hunk #1 FAILED at 61.
> Hunk #2 FAILED at 78.
> 2 out of 2 hunks FAILED -- saving rejects to file include/trace/events/lock.h.rej
> patching file kernel/lockdep.c
> Hunk #1 FAILED at 541.
> Hunk #2 succeeded at 556 with fuzz 2.
> Hunk #3 FAILED at 3093.
> patch: **** malformed patch at line 268: ck,

weird:

root@laptop:/usr/src/linux-2.6# git checkout -f origin/master
HEAD is now at 48d212a... Revert "mm: correctly synchronize rss-counters at exit/exec"
root@laptop:/usr/src/linux-2.6# quilt push
Applying patch patches/peter_zijlstra-re-processes_hung_after_sys_renameat_and__missing__processes.patch
patching file include/linux/lockdep.h
patching file include/trace/events/lock.h
patching file kernel/lockdep.c

Now at patch patches/peter_zijlstra-re-processes_hung_after_sys_renameat_and__missing__processes.patch
root@laptop:/usr/src/linux-2.6# git describe
v3.5-rc1-130-g48d212a