lkml.org 
[lkml]   [2011]   [Aug]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [uml-devel] Floating point problems on UML - help needed
Am 18.08.2011 08:29, schrieb Stanislav Meduna:
> On 17.08.2011 22:58, Richard Weinberger wrote:
>
>> It looks like FPU registers get sometimes lost after switching between
>> two or more threads.
>
> This is probably a bug in UML I reported nearly three years ago.
> For me mode=skas0 worked aruond the issue.
>
> http://thread.gmane.org/gmane.linux.uml.devel/11824/focus=11840
>
> You might try the patch posted in
> http://thread.gmane.org/gmane.linux.uml.devel/12158
> (I don't have the environment to test it anymore)

Cool, saving the FP registers explicitly on each task switch solves the
issue.
Do you know why Ingo's patch was never applied?
Ingo?

Thanks,
//richard


\
 
 \ /
  Last update: 2011-08-18 12:49    [W:0.076 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site