lkml.org 
[lkml]   [2011]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [ANNOUNCE] 3.0-rt4
On Thu, 28 Jul 2011, Fernando Lopez-Lezcano wrote:

> On 07/27/2011 02:37 PM, Thomas Gleixner wrote:
> > Dear RT Folks,
> >
> > I'm pleased to announce the 3.0-rt4 release.
>
> Testing rt5 (lenovo dual core laptop running fc15, kernel based on koji's
> 3.0.0 build plus rt5)...
> ----
> [ 0.000000] =============================================
> [ 0.000000] [ INFO: possible recursive locking detected ]
> [ 0.000000] 3.0.0-1.rt5.1.fc15.ccrma.i686.rtPAE #1
> [ 0.000000] ---------------------------------------------
> [ 0.000000] swapper/0 is trying to acquire lock:
> [ 0.000000] (&parent->list_lock){+.+...}, at: [<c04fb406>]
> __cache_free+0x43/0xc3
> [ 0.000000]
> [ 0.000000] but task is already holding lock:
> [ 0.000000] (&parent->list_lock){+.+...}, at: [<c04fc538>]
> do_tune_cpucache+0xf2/0x2bb
> [ 0.000000]
> [ 0.000000] other info that might help us debug this:
> [ 0.000000] Possible unsafe locking scenario:
> [ 0.000000]
> [ 0.000000] CPU0
> [ 0.000000] ----
> [ 0.000000] lock(&parent->list_lock);
> [ 0.000000] lock(&parent->list_lock);

That's a know issue. Fix is being worked on. I can't find the thread
right now, but it's weird some interaction of debug options
(DEBUG_OBJECTS, DEBUG_SLAB ...) Peter ???

> (I guess because HIGHMEM is disabled the computer only finds 800M+ of LOWMEM
> and that is all top reports - total installed is 4G)

Yes, that's the state for now until someone fixes it :)

Thanks,

tglx


\
 
 \ /
  Last update: 2011-07-28 21:39    [W:0.789 / U:0.652 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site