Re: [ros-dev] [ros-diffs] [jgardou] 58660: [MESA32] * Disable SSE optimizations, as they only cause mayhem.

2013-04-05 Thread Sylvain Petreolle
>Objet : Re: [ros-dev] [ros-diffs] [jgardou] 58660: [MESA32] * Disable SSE >optimizations, as they only cause mayhem. > >I think he's referring to the actual commit, which I find weird too. > >Regards, >Aleksey Bragin > >On 05.04.2013 2:42, Kamil Hornicek wro

Re: [ros-dev] [ros-diffs] [jgardou] 58660: [MESA32] * Disable SSE optimizations, as they only cause mayhem.

2013-04-05 Thread Aleksey Bragin
I think he's referring to the actual commit, which I find weird too. Regards, Aleksey Bragin On 05.04.2013 2:42, Kamil Hornicek wrote: "LOL", I'm not "trying" to "fix" "anything" - disabling the whole SSE support is on par with disabling just the check. You fix the kernel and you better do it

Re: [ros-dev] [ros-diffs] [jgardou] 58660: [MESA32] * Disable SSE optimizations, as they only cause mayhem.

2013-04-04 Thread Kamil Hornicek
"LOL", I'm not "trying" to "fix" "anything" - disabling the whole SSE support is on par with disabling just the check. You fix the kernel and you better do it soon. Dne 4.4.2013 21:58, Timo Kreuzer napsal(a): LOL, we have a bug in the kernel and you try to "fix" this in MESA? Am 04.04.2013

Re: [ros-dev] [ros-diffs] [jgardou] 58660: [MESA32] * Disable SSE optimizations, as they only cause mayhem.

2013-04-04 Thread Timo Kreuzer
LOL, we have a bug in the kernel and you try to "fix" this in MESA? Am 04.04.2013 14:33, schrieb Kamil Hornicek: If I recall correctly there's a check whether the OS can handle masked/unmasked sse exceptions. It causes trouble even in Windows if the app using Mesa has it's own exception handl

Re: [ros-dev] [ros-diffs] [jgardou] 58660: [MESA32] * Disable SSE optimizations, as they only cause mayhem.

2013-04-04 Thread Kamil Hornicek
If I recall correctly there's a check whether the OS can handle masked/unmasked sse exceptions. It causes trouble even in Windows if the app using Mesa has it's own exception handlers installed IIRC. SSE works just fine. Just disable the (useless) _mesa_check_os_sse_suppor stuff (ReactOS suppor

Re: [ros-dev] [ros-diffs] [jgardou] 58660: [MESA32] * Disable SSE optimizations, as they only cause mayhem.

2013-04-04 Thread Jérôme Gardou
It causes some kernel mode exception. The code deliberately throws an SSE exception to see if the OS supports them. The trap handler considers this as a k-mode exception and bug checks. See http://jira.reactos.org/browse/CORE-6776 Timo Kreuzer a écrit : What exactly does it cause? And should

Re: [ros-dev] [ros-diffs] [jgardou] 58660: [MESA32] * Disable SSE optimizations, as they only cause mayhem.

2013-04-04 Thread Timo Kreuzer
What exactly does it cause? And shouldn't we rather fix that, instead of disabling optimizations? mesa is already slow enough. Am 03.04.2013 14:02, schrieb jgar...@svn.reactos.org: Author: jgardou Date: Wed Apr 3 12:02:58 2013 New Revision: 58660 URL: http://svn.reactos.org/svn/reactos?rev=