> >[ 97.260371] BUG: Bad page map in process killall5 pte:4f426de0 pmd:0f4f4067 > >[ 97.261114] addr:3fc00000 vm_flags:00100173 anon_vma:4f4066c0 mapping: (null) index:3ffe6 > >[ 97.261912] CPU: 0 PID: 334 Comm: killall5 Not tainted 3.12.0-rc3-00156-gdaeb5e3 #1 > >[ 97.262633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > >[ 97.263192] 3fc00000 4f4c1e14 4212e45c 4fbff9a0 4f4c1e4c 411a9c4b 4262ade0 3fc00000 > >[ 97.264051] 00100173 4f4066c0 00000000 0003ffe6 4f426de0 0003ffe6 00000000 4fbff9a0 > >[ 97.264906] 3fc00000 3fc00000 4f4c1e60 411ab50e 00000000 4f464000 00000000 4f4c1ed0 > >[ 97.265751] Call Trace: > >[ 97.266022] [<4212e45c>] dump_stack+0xbb/0x14b > >[ 97.266456] [<411a9c4b>] print_bad_pte+0x28b/0x2c0 > >[ 97.266931] [<411ab50e>] vm_normal_page+0xae/0xe0 > >[ 97.267388] [<411b37f3>] munlock_vma_pages_range+0x143/0x320 > >[ 97.267950] [<410d30fd>] ? sched_clock_cpu+0x20d/0x250 > >[ 97.268451] [<411bacee>] exit_mmap+0x7e/0x200 > Yes, this should have been fixed by commit eadb41ae82f80210 > "mm/mlock.c: prevent walking off the end of a pagetable in no-pmd > configuration", merged between rc3 and rc4. Great, thanks! This explains why only v3.12-rc4 is free from the bug in the below config. /kernel/i386-randconfig-i003-1011/daeb5e37165e2ad745d1d2d5d7ab32ad9cb08f1a +-------------------------------------------------+-----------+-----------+--------------+--------------+ | | v3.12-rc3 | v3.12-rc4 | 6aba5b6cf098 | daeb5e37165e | +-------------------------------------------------+-----------+-----------+--------------+--------------+ | good_boots | 1088 | 1092 | 1070 | 1043 | | has_kernel_error_warning | 42 | 71 | 40 | 67 | | BUG:kernel_early_hang_without_any_printk_output | 37 | 71 | 36 | 59 | | BUG:Bad_page_map_in_process_killall5_pte:pmd | 5 | 0 | 4 | 8 | +-------------------------------------------------+-----------+-----------+--------------+--------------+ Thanks, Fengguang _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
