http://bugzilla.kernel.org/show_bug.cgi?id=12018 Summary: oops when using ext4 on soft raid on IA64 with 65536 block size Product: File System Version: 2.5 KernelVersion: 2.6.28-rc3-git4 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: ext4 AssignedTo: fs_ext4@xxxxxxxxxxxxxxxxxxxx ReportedBy: lizf@xxxxxxxxxxxxxx Latest working kernel version: ? Failing kernel version: 2.6.28-rc3-git4 Distribution: Fedora Hardware Environment: four 881.0GB hard disks Software Environment: latest-git e2fsprogs Problem Description and Steps to reproduce: I used soft raid on IA64 and got the following oops. # fdisk -l Disk /dev/sdc: 881.0 GB, 881005166592 bytes 255 heads, 63 sectors/track, 107109 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x0000544c Device Boot Start End Blocks Id System /dev/sdc1 1 107109 860353011 fd Linux raid autodetect ... Device Boot Start End Blocks Id System /dev/sdd1 1 107109 860353011 fd Linux raid autodetect ... Device Boot Start End Blocks Id System /dev/sde1 1 107109 860353011 fd Linux raid autodetect ... Device Boot Start End Blocks Id System /dev/sdf1 1 107109 860353011 fd Linux raid autodetect # mdadm --create /dev/md0 --level=0 --raid-devices=4 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 # mkfs.ext4 -b 65536 /dev/md0 # mount -t ext4 /dev/md0 /mnt # cd /mnt # dd if=/dev/zero of=tmp_file bs=1M count=700 (stuck) (another console) EXT4-fs: barriers enabled kjournald2 starting. Commit interval 5 seconds EXT4 FS on md0, internal journal on md0:8 EXT4-fs: delayed allocation enabled EXT4-fs: file extents enabled EXT4-fs: mballoc enabled EXT4-fs: mounted filesystem with ordered data mode. JBD: barrier-based sync failed on md0:8 - disabling barriers kernel BUG at fs/ext4/mballoc.c:1240! pdflush[12068]: bugcheck! 0 [1] Modules linked in: ext4 jbd2 crc16 raid0 nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc ipmi_watchdog mptctl ipmi_devintf ipmi_si ipmi_msghandler vfat fat dm_mirror dm_region_hash dm_log dm_multipath dm_mod e100 mii rng_core iTCO_wdt iTCO_vendor_support lpfc tg3 scsi_transport_fc libphy button sg usb_storage shpchp mptspi mptscsih mptbase scsi_transport_spi sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last unloaded: ipmi_watchdog] Pid: 12068, CPU 0, comm: pdflush psr : 0000101008526030 ifs : 8000000000000814 ip : [<a000000207dde590>] Not tainted (2.6.28-rc3-git4) ip is at ext4_mb_use_best_found+0xd0/0xb00 [ext4] unat: 0000000000000000 pfs : 0000000000000814 rsc : 0000000000000003 rnat: 0000000000000000 bsps: 0000000000000000 pr : 0000000000001941 ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70433f csd : 0000000000000000 ssd : 0000000000000000 b0 : a000000207dde590 b6 : a000000100039260 b7 : a00000010000bb00 f6 : 000000000000000000000 f7 : 1003e0000000000000020 f8 : 1003ee0000040878b0000 f9 : 1003e0000000000000000 f10 : 1003ee0000040a19c0000 f11 : 1003e0000000000000000 r1 : a000000100e24b80 r2 : a000000100bc5210 r3 : 0000000000004000 r8 : 0000000000000029 r9 : 0000000000000001 r10 : a000000100a50000 r11 : ffffffffffff0420 r12 : e00000005bfbfa40 r13 : e00000005bfb0000 r14 : a000000100bc5218 r15 : e00001200ac5fe18 r16 : ffffffffffff6fd0 r17 : a000000100c3f7c8 r18 : 000000000000000a r19 : 0000000000000026 r20 : 0000000000020000 r21 : a000000100c3cb78 r22 : a000000100c3cb74 r23 : a000000100c3cb88 r24 : a000000100c3f7a0 r25 : a000000100c2dba0 r26 : a000000100c3cb74 r27 : 0000001008522030 r28 : 0000000000000034 r29 : a0000001012ce0e3 r30 : 0000000000000000 r31 : a000000100bef7d8 Call Trace: [<a000000100015ca0>] show_stack+0x40/0xa0 sp=e00000005bfbf610 bsp=e00000005bfb1618 [<a0000001000165b0>] show_regs+0x850/0x8a0 sp=e00000005bfbf7e0 bsp=e00000005bfb15b8 [<a000000100039970>] die+0x1b0/0x2c0 sp=e00000005bfbf7e0 bsp=e00000005bfb1570 [<a000000100039ad0>] die_if_kernel+0x50/0x80 sp=e00000005bfbf7e0 bsp=e00000005bfb1540 [<a00000010066a010>] ia64_bad_break+0x230/0x460 sp=e00000005bfbf7e0 bsp=e00000005bfb1518 [<a00000010000c300>] ia64_native_leave_kernel+0x0/0x270 sp=e00000005bfbf870 bsp=e00000005bfb1518 [<a000000207dde590>] ext4_mb_use_best_found+0xd0/0xb00 [ext4] sp=e00000005bfbfa40 bsp=e00000005bfb1478 [<a000000207ddf130>] ext4_mb_check_limits+0x170/0x1a0 [ext4] sp=e00000005bfbfa50 bsp=e00000005bfb1440 [<a000000207de8e90>] ext4_mb_regular_allocator+0x1910/0x1f20 [ext4] sp=e00000005bfbfa70 bsp=e00000005bfb13a8 [<a000000207dec6d0>] ext4_mb_new_blocks+0x3b0/0x1400 [ext4] sp=e00000005bfbfad0 bsp=e00000005bfb1328 [<a000000207dda050>] ext4_ext_get_blocks+0x16d0/0x1b40 [ext4] sp=e00000005bfbfae0 bsp=e00000005bfb1248 [<a000000207dae570>] ext4_get_blocks_wrap+0x1d0/0x4c0 [ext4] sp=e00000005bfbfb50 bsp=e00000005bfb11d0 [<a000000207db6c70>] ext4_da_get_block_write+0xd0/0x300 [ext4] sp=e00000005bfbfb50 bsp=e00000005bfb1180 [<a000000207dabc10>] mpage_da_map_blocks+0xf0/0xce0 [ext4] sp=e00000005bfbfb50 bsp=e00000005bfb1118 [<a000000207db4240>] ext4_da_writepages+0x4a0/0x780 [ext4] sp=e00000005bfbfc40 bsp=e00000005bfb1088 [<a000000100126c90>] do_writepages+0xb0/0x120 sp=e00000005bfbfcf0 bsp=e00000005bfb1060 [<a0000001001d1070>] __writeback_single_inode+0x370/0x6e0 sp=e00000005bfbfcf0 bsp=e00000005bfb1018 [<a0000001001d1cb0>] generic_sync_sb_inodes+0x4b0/0x7a0 sp=e00000005bfbfd30 bsp=e00000005bfb0fc8 [<a0000001001d1fd0>] sync_sb_inodes+0x30/0x60 sp=e00000005bfbfd30 bsp=e00000005bfb0fa0 [<a0000001001d28f0>] writeback_inodes+0x130/0x260 sp=e00000005bfbfd30 bsp=e00000005bfb0f70 [<a0000001001283a0>] background_writeout+0x140/0x1e0 sp=e00000005bfbfd30 bsp=e00000005bfb0f38 [<a000000100129460>] pdflush+0x2e0/0x4e0 sp=e00000005bfbfd80 bsp=e00000005bfb0f18 [<a0000001000b8ba0>] kthread+0xa0/0x120 sp=e00000005bfbfe30 bsp=e00000005bfb0ee8 [<a000000100014430>] kernel_thread_helper+0x30/0x60 sp=e00000005bfbfe30 bsp=e00000005bfb0ec0 [<a00000010000a0c0>] start_kernel_thread+0x20/0x40 sp=e00000005bfbfe30 bsp=e00000005bfb0ec0 -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. -- 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
