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Re: X still freezing once in a while



On Thu, Apr 30, 2009 at 03:23:00PM -0400, Adam Jackson wrote:
> On Thu, 2009-04-30 at 17:32 +0200, Matej Cepl wrote:
> > On 2009-04-30, 13:47 GMT, Adam Jackson wrote:
> > > http://wiki.x.org/wiki/Development/Documentation/ServerDebugging
> > >
> > > Has instructions for how to attach with gdb.  Yes, this requires two
> > > machines.
> > 
> > That's not much helpful, right?
> 
> The (omitted) backtrace shows a server waiting for more requests,
> correct.  Meaning it's not really hung, and also not like the OP's bug
> report.  Per's report said that the mouse would not change icon when
> moving among windows, indicating that the main loop wasn't being
> processed.
> 
> Yours, if I had to guess from the thread on fedora-devel, was metacity
> getting stuck, so gdbing metacity would probably be more enlightening.

Same symptoms here, but on a Radeon X600 (RV380).

Bugzilla:

https://bugzilla.redhat.com/show_bug.cgi?id=498525

Backtrace:

pixmanBltsse2 (__P=<value optimized out>) at pixman-sse2.c:4501
4501             xmm3 = load128Unaligned ((__m128i*)(s+48));
(gdb) thread apply all bt

Thread 1 (Thread 0x7fa8ab9f37b0 (LWP 1916)):
#0  0x000000346763171b in pixmanBltsse2 (__P=<value optimized out>)
   from /usr/lib64/libpixman-1.so.0
#1  0x0000003467620acb in pixman_walk_composite_region (
    compositeRect=<value optimized out>, maskRepeat=<value optimized
out>,
    srcRepeat=<value optimized out>, height=<value optimized out>,
    width=<value optimized out>, yDst=<value optimized out>,
    xDst=<value optimized out>, yMask=<value optimized out>,
    xMask=<value optimized out>, ySrc=<value optimized out>,
    xSrc=<value optimized out>, pDst=<value optimized out>,
    pMask=<value optimized out>, pSrc=<value optimized out>,
    op=<value optimized out>) at pixman-pict.c:1371
#2  pixman_image_composite (compositeRect=<value optimized out>,
    maskRepeat=<value optimized out>, srcRepeat=<value optimized out>,
    height=<value optimized out>, width=<value optimized out>,
    yDst=<value optimized out>, xDst=<value optimized out>,
    yMask=<value optimized out>, xMask=<value optimized out>,
    ySrc=<value optimized out>, xSrc=<value optimized out>,
    pDst=<value optimized out>, pMask=<value optimized out>,
    pSrc=<value optimized out>, op=<value optimized out>) at
pixman-pict.c:2072


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