Am Samstag 30 Januar 2010 18:43:52 schrieb Linus Torvalds: > On Sat, 30 Jan 2010, Kevin Winchester wrote: > > I took a picture of the crash details: > > > > http://picasaweb.google.ca/kjwinchester/LinuxKernelPanic#5432580230065271 > > 634 > > > > In case it helps, here is the gdb listing for the problem address: > > > > (gdb) l *(radeon_agp_init+0x1d) > > 0xffffffff811c1592 is in radeon_agp_init > > (drivers/gpu/drm/radeon/radeon_agp.c:136). 131 uint32_t > > agp_status; > > 132 int default_mode; > > 133 bool is_v3; > > 134 int ret; > > 135 > > 136 if (rdev->ddev->agp->agp_info.aper_size < 32) { > > 137 dev_warn(rdev->dev, "AGP aperture to small (%dM) " > > 138 "need at least 32M, disabling AGP\n", > > 139 rdev->ddev->agp->agp_info.aper_size); > > 140 return -EINVAL; > > > > Is there any other info I can provide? > > In your crash 'rdev->ddev->agp' is NULL. The instruction decode is: > > e: 55 push %rbp > f: 48 89 e5 mov %rsp,%rbp > 12: 41 56 push %r14 > 14: 41 55 push %r13 > 16: 41 54 push %r12 > 18: 53 push %rbx > 19: 48 89 fb mov %rdi,%rbx > 1c: 48 83 ec 40 sub $0x40,%rsp > 20: 48 8b 7f 08 mov 0x8(%rdi),%rdi > 24: 48 8b 87 20 03 00 00 mov 0x320(%rdi),%rax > 2b:* 4c 8b 60 28 mov 0x28(%rax),%r12 <-- trapping > instruction 2f: 49 83 fc 1f cmp $0x1f,%r12 > 33: 77 2e ja 0x63 > 35: 48 8b 3b mov (%rbx),%rdi > 38: 48 8b 5f 10 mov 0x10(%rdi),%rbx > > so it's that lod of "agp_info.aper_size" that fails (you can see how it's > trying to compare with 31, it comes from that "agp_info.aper_size < 32" > thing. > > Did that DRM init happen before AGP init or something? > > Linus
This is caused by commit 42590a75019a50012f25a962246498dead42843 Fix is already posted: http://marc.info/?l=linux-kernel&m=126428141429200&w=2 ------------------------------------------------------------------------------ The Planet: dedicated and managed hosting, cloud storage, colocation Stay online with enterprise data centers and the best network in the business Choose flexible plans and management services without long-term contracts Personal 24x7 support from experience hosting pros just a phone call away. http://p.sf.net/sfu/theplanet-com -- _______________________________________________ Dri-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/dri-devel
