[Bug 24218] Xorg hangs when started with KMS enabled on rs780

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=24218





--- Comment #9 from Mikko C. <mikko.cal at gmail.com>  2009-10-06 02:22:18 PST ---
It's probably not very useful, but I started X via gdb. It hanged there.
I opened another console via ssh and killed X, then I got this backtrace with
gdb:

Program received signal SIGTERM, Terminated.
[Switching to Thread 0x7f5209bcc6f0 (LWP 1787)]
0x00007f5207112bd7 in ioctl () from /lib/libc.so.6
(gdb) bt
#0  0x00007f5207112bd7 in ioctl () from /lib/libc.so.6
#1  0x00007f520619cc83 in drmIoctl (fd=13, request=3221775460,
arg=0x7fffc4fb7c60) at xf86drm.c:188
#2  0x00007f520619cf5c in drmCommandWriteRead (fd=13, drmCommandIndex=<value
optimized out>, data=0x7fffc4fb7c60,
    size=<value optimized out>) at xf86drm.c:2431
#3  0x00007f5205a92259 in bo_wait (bo=0x2305d20) at radeon_bo_gem.c:214
#4  0x00007f5205a922ad in bo_map (bo=0x2305d20, write=-1073191836) at
radeon_bo_gem.c:187
#5  0x00007f5205d514ee in r600_vb_get (pScrn=<value optimized out>) at
/usr/include/drm/radeon_bo.h:151
#6  0x00007f5205d51544 in r600_cp_start (pScrn=0xd) at r6xx_accel.c:1227
#7  0x00007f5205d4f0ba in R600PrepareSolid (pPix=0x2326430, alu=<value
optimized out>, pm=4294967295, fg=0)
    at r600_exa.c:183
#8  0x00007f520566264d in exaFillRegionSolid (pDrawable=0x2329b50,
pRegion=0x23d4f50, pixel=<value optimized out>,
    planemask=<value optimized out>, alu=3, clientClipType=0) at
exa_accel.c:1003
#9  0x00007f520566321a in exaPolyFillRect (pDrawable=0x2329b50, pGC=0x2328c00,
nrect=1, prect=0x23d4f30) at exa_accel.c:800
#10 0x00000000004bbb1b in damagePolyFillRect (pDrawable=0x2329b50,
pGC=0x2328c00, nRects=1, pRects=0x23d4f30)
    at damage.c:1404
#11 0x0000000000457ed4 in miPaintWindow (pWin=<value optimized out>,
prgn=0x7fffc4fb8160, what=<value optimized out>)
    at miexpose.c:670
#12 0x0000000000458274 in miWindowExposures (pWin=0x2329b50,
prgn=0x7fffc4fb8160, other_exposed=0x0) at miexpose.c:504
#13 0x000000000050bf83 in xf86XVWindowExposures (pWin=0x2329b50,
reg1=0x7fffc4fb8160, reg2=<value optimized out>)
    at xf86xv.c:1054
#14 0x0000000000445bc1 in MapWindow (pWin=0x2329b50, client=<value optimized
out>) at window.c:2678
#15 0x0000000000424f17 in main (argc=1, argv=<value optimized out>, envp=<value
optimized out>) at main.c:254


I'm now running 2.6.32-rc3, same behavior.
Also, might be related to this other bug I'm having without KMS:
http://bugs.freedesktop.org/show_bug.cgi?id=24300
Basically I get a lot of these errors:
[drm:radeon_cp_indirect] *ERROR* sending pending buffer 25


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