On Mon, Jul 23, 2007 at 10:38:39PM +0400, Alexey Dobriyan wrote: > Managed to hit BUG_ON() in kmap_atomic_prot() three times while doing > nothing unusual for this box (two times it was under X, so I can't > guarantee, one time while trying to reproduce via ./configure in gdb > tarball) > > Box has 2.5G of RAM. 2.6.22 was OK. > > [dives into framebuffer console setup for complete oops]
kernel BUG at arch/i386/mm/highmem.c:38 PREEMPT DEBUG_PAGEALLOC SLAB EIP at kmap_atomic_prot+0x32/0x93 get_page_from_freelist __alloc_pages cache_alloc_refill cache_alloc_refill kmem_cache_alloc dst_alloc dst_alloc __ip_route_output_key [some junk I don't trust] eax: 0000000c ebx: 00000003 ecx: c065efe0 edx: 00000003 edi: 00000163 c010cc9b <kmap_atomic_prot>: c010cc9b: 57 push %edi c010cc9c: 56 push %esi c010cc9d: 53 push %ebx c010cc9e: 89 c6 mov %eax,%esi c010cca0: 89 d3 mov %edx,%ebx c010cca2: 89 cf mov %ecx,%edi c010cca4: b8 01 00 00 00 mov $0x1,%eax c010cca9: e8 dd 1b 00 00 call c010e88b <add_preempt_count> c010ccae: e8 b1 ac 0e 00 call c01f7964 <debug_smp_processor_id> c010ccb3: 6b c0 0d imul $0xd,%eax,%eax c010ccb6: 8d 14 03 lea (%ebx,%eax,1),%edx c010ccb9: 8d 04 95 00 00 00 00 lea 0x0(,%edx,4),%eax c010ccc0: 8b 0d 30 a1 3e c0 mov 0xc03ea130,%ecx c010ccc6: 29 c1 sub %eax,%ecx c010ccc8: 83 39 00 cmpl $0x0,(%ecx) c010cccb: 74 04 je c010ccd1 <kmap_atomic_prot+0x36> c010cccd: 0f 0b ud2a - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/