http://bugzilla.kernel.org/show_bug.cgi?id=14287 Summary: ext4: fixpoint divide exception at ext4_fill_super Product: File System Version: 2.5 Kernel Version: 2.6.32-rc1, 2.6.31 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: ext4 AssignedTo: fs_ext4@xxxxxxxxxxxxxxxxxxxx ReportedBy: rnsastry@xxxxxxxxxxxxxxxxxx Regression: No Found kernel bug - fixpoint divide exception While working with fsfuzzer Environment: 2.6.31 and 2.6.32-rc1 Architecture: s390 and ppc64 ------------[ cut here ]------------ Kernel BUG at 000003e00429d934 [verbose debug info unavailable] fixpoint divide exception: 0009 [#1] SMP Modules linked in: ext4 jbd2 crc16 loop autofs4 lockd sunrpc ipv6 qeth_l2 qeth q dio vmur ccwgroup dm_round_robin dm_multipath scsi_dh sd_mod scsi_mod multipath dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod dasd_fba_mod dasd_eck d_mod dasd_mod ext3 jbd CPU: 2 Not tainted 2.6.31-rc6 #1 Process mount (pid: 2675, task: 000000003ed06038, ksp: 0000000036217920) Krnl PSW : 0704200180000000 000003e00429d934 (ext4_fill_super+0x1478/0x2908 [ext 4]) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3 Krnl GPRS: 0000000000000100 0000000000000100 0000000000000006 000000002fc61800 0000000000000000 0000000000000100 000000002fc61800 000000002fc61800 000000003143a800 00000000000000e0 0000000000000000 000000003eb0d800 000003e00427c000 000003e0042b8958 000003e00429d87c 0000000036217b10 Krnl Code: 000003e00429d928: b9160050 llgfr %r5,%r0 000003e00429d92c: a7490000 lghi %r4,0 000003e00429d930: b987004a dlgr %r4,%r10 >000003e00429d934: b91600a5 llgfr %r10,%r5 000003e00429d938: a53f80d0 llill %r3,32976 000003e00429d93c: a7ad000c mghi %r10,12 000003e00429d940: b904002a lgr %r2,%r10 000003e00429d944: 1895 lr %r9,%r5 Call Trace: ([<000003e00429d87c>] ext4_fill_super+0x13c0/0x2908 [ext4]) [<00000000000f46f2>] get_sb_bdev+0x13e/0x19c [<000003e00429230e>] ext4_get_sb+0x2e/0x40 [ext4] [<00000000000f3f98>] vfs_kern_mount+0xc0/0x168 [<00000000000f40ac>] do_kern_mount+0x58/0x114 [<000000000010e558>] do_mount+0x798/0x830 [<000000000010e6a0>] SyS_mount+0xb0/0x100 [<00000000000266be>] sysc_noemu+0x10/0x16 [<0000004e53f234e2>] 0x4e53f234e2 Last Breaking-Event-Address: [<000003e00429d8d8>] ext4_fill_super+0x141c/0x2908 [ext4] ---[ end trace b5563edf9c0c9b52 ]--- 2.6.32-rc1 stack trace ------------[ cut here ]------------ Kernel BUG at 000003e0024d6b52 [verbose debug info unavailable] fixpoint divide exception: 0009 [#1] SMP Modules linked in: ext4 jbd2 crc16 autofs4 lockd sunrpc ipv6 loop qeth_l2 qeth vmur qdio ccwgroup dm_round_robin dm_multipath scsi_dh sd_mod scsi_mod multipath dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod dasd_fba_mod dasd_eckd_mod dasd_mod ext3 jbd CPU: 2 Not tainted 2.6.32-rc2 #1 Process mount (pid: 2752, task: 00000000233e47c0, ksp: 00000000233a3910) Krnl PSW : 0704200180000000 000003e0024d6b52 (ext4_fill_super+0x1506/0x29c0 [ext4]) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3 Krnl GPRS: 0000000e00000100 0000000000000100 0000000000000006 00000000200ad000 0000000000000000 0000000000000100 00000000200ad000 00000000200ad000 00000000200ae000 000000001ab6d800 0000000000000000 00000000000000e0 000003e0024b3000 000003e0024f2d28 000003e0024d6ab8 00000000233a3b00 Krnl Code: 000003e0024d6b46: b9160050 llgfr %r5,%r0 000003e0024d6b4a: a7490000 lghi %r4,0 000003e0024d6b4e: b987004a dlgr %r4,%r10 >000003e0024d6b52: b91600b5 llgfr %r11,%r5 000003e0024d6b56: a53f80d0 llill %r3,32976 000003e0024d6b5a: a7bd000c mghi %r11,12 000003e0024d6b5e: b904002b lgr %r2,%r11 000003e0024d6b62: 18a5 lr %r10,%r5 Call Trace: ([<000003e0024d6ab8>] ext4_fill_super+0x146c/0x29c0 [ext4]) [<0000000000111ed8>] get_sb_bdev+0x158/0x1b4 [<000003e0024cbe16>] ext4_get_sb+0x2e/0x40 [ext4] [<00000000001119ac>] vfs_kern_mount+0xc0/0x19c [<0000000000111af4>] do_kern_mount+0x58/0x114 [<000000000012d760>] do_mount+0x7b4/0x84c [<000000000012d89c>] SyS_mount+0xa4/0xec [<0000000000027f5a>] sysc_tracego+0xe/0x14 [<0000004e53f234e2>] 0x4e53f234e2 Last Breaking-Event-Address: [<000003e0024d6afa>] ext4_fill_super+0x14ae/0x29c0 [ext4] ---[ end trace b8c3330dd3812f17 ]--- -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
