On Mon, 2004-10-18 at 07:31 -0500, Branden Robinson wrote: > > On Sat, Oct 09, 2004 at 11:43:38PM +0200, David Decotigny wrote: > > Here are some gdb traces on the -dbg version of the server (debian 2.6.8 > > ppc UP > > kernel). In gdb I tried to break multiple times to see whether the call > > stack changed. Another trace comes afterwards, which was made with the > > "normal" version of the server (ie no debug): > [...] > > 0x0fe154cc in ioctl () from /lib/libc.so.6 > > (gdb) bt > > #0 0x0fe154cc in ioctl () from /lib/libc.so.6 > > #1 0x1047b520 in drmDMA (fd=7, request=0x7ffff560) at xf86drm.c:796 > > #2 0x10053764 in RADEONCPGetBuffer (pScrn=0x10d40f40) at radeon_accel.c:490 > > #3 0x10051bb4 in RADEONSetupForScanlineImageWriteCP (pScrn=0x10d40f40, > > rop=3, > > planemask=4294967295, trans_color=-1, bpp=32, depth=24) > > at radeon_accelfuncs.c:941 > > #4 0x102dcfd0 in XAAWritePixmapScanline (pScrn=0x10d40f40, x=525, y=53, > > w=374, h=3, src=0x10fb7bc0 "", srcwidth=1496, rop=3, > > planemask=4294967295, > > trans=-1, bpp=32, depth=24) at xaaImage.c:354 > > This sort of thing is a bit beyond me. Locking up during an ioctl() > suggests to me that the problem might be in the kernel DRM driver.
This is one of many possible symptoms of a chip lockup, which is probably caused by the 3D driver in xlibmesa-dri. -- Earthling Michel Dänzer | Debian (powerpc), X and DRI developer Libre software enthusiast | http://svcs.affero.net/rm.php?r=daenzer
