On Mon, August 3, 2009 3:41 am, Frederic MASSOT wrote: > Package: mdadm > Version: 2.6.9-3 > Severity: normal > > > Hi, > > When checkarray, the mark "-- MARK --" was not written to the file > "/var/log/messages" by rsyslog and watchdog restarts the server. I have > this problem on several server. > > On another server with watchdog not active, I had these messages with the > dmesg command, it was not written in the logs. > > md: data-check of RAID array md0 > md: minimum _guaranteed_ speed: 1000 KB/sec/disk. > md: using maximum available idle IO bandwidth (but not more than 200000 > KB/sec) for data-check. > md: using 128k window, over a total of 96256 blocks. > BUG: unable to handle kernel NULL pointer dereference at 00000003 > IP: [<c014724b>] put_page+0x6/0xdd
I believe this is the kernel bug that was fixed my upstream commit 303a0e11d0ee136ad8f53f747f3c377daece763b http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=303a0e11d0ee136ad8f53f747f3c377daece763b NeilBrown > *pde = 00000000 > Oops: 0000 [#1] SMP > last sysfs file: /sys/block/md1/md/sync_action > Modules linked in: > > Pid: 19080, comm: md0_resync Not tainted (2.6.29 #1) System Product Name > EIP: 0060:[<c014724b>] EFLAGS: 00010206 CPU: 1 > EIP is at put_page+0x6/0xdd > EAX: 00000003 EBX: 00000003 ECX: 00000060 EDX: f738a878 > ESI: 0000003c EDI: dd26e180 EBP: dd26e1b8 ESP: d5547e2c > DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 > Process md0_resync (pid: 19080, ti=d5547000 task=c3ba0990 > task.ti=d5547000) > Stack: > 00000000 0000003c dd26e180 dd26e1b8 c02bbcb1 00011200 f738a878 f7087500 > d0a28640 f738d200 00011210 d0a2865c c014235c 00000010 00000082 f70a2428 > f70a2400 f70a2428 f70a2400 00000001 f738d200 0002f000 c3cbfa00 c02bbece > Call Trace: > [<c02bbcb1>] r1buf_pool_alloc+0x11c/0x164 > [<c014235c>] mempool_alloc+0x27/0xcb > [<c02bbece>] sync_request+0x175/0x4bc > [<c0116f4a>] __wake_up+0x29/0x39 > [<c02c9c14>] md_do_sync+0x582/0x901 > [<c02ca390>] md_thread+0xde/0xf5 > [<c0116ed5>] complete+0x28/0x36 > [<c02ca2b2>] md_thread+0x0/0xf5 > [<c012d3b4>] kthread+0x38/0x5d > [<c012d37c>] kthread+0x0/0x5d > [<c010340b>] kernel_thread_helper+0x7/0x10 > Code: 52 c0 64 8b 15 00 05 52 c0 8d 14 10 8b 02 89 4c 82 08 40 89 02 83 f8 > 0e 75 07 89 d0 e8 44 fe ff ff 53 9d 5b c3 55 57 56 53 89 c3 <8b> 00 f6 c4 > 60 74 23 f6 c4 40 74 03 8b 5b 0c 8d 43 04 f0 ff 08 > EIP: [<c014724b>] put_page+0x6/0xdd SS:ESP 0068:d5547e2c > ---[ end trace 8b61c23ebcbabaed ]--- > md: delaying data-check of md1 until md0 has finished (they share one or > more physical units) > > And mdstat contains: > $ cat /proc/mdstat > Personalities : [raid1] [raid6] [raid5] [raid4] > md1 : active raid5 sda2[0] sdd2[3] sdc2[2] sdb2[1] > 937416576 blocks level 5, 64k chunk, algorithm 2 [4/4] [UUUU] > resync=DELAYED > > md0 : active raid1 sda1[0] sdd1[3] sdc1[2] sdb1[1] > 96256 blocks [4/4] [UUUU] > [>....................] check = 0.0% (384/96256) > finish=585519.5min speed=0K/sec > > unused devices: <none> > > > > > Regards. > > > -- Package-specific info: > > -- System Information: > Debian Release: squeeze/sid > APT prefers testing > APT policy: (500, 'testing'), (500, 'stable') > Architecture: i386 (i686) > > Kernel: Linux 2.6.29 (SMP w/2 CPU cores) > Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8) > Shell: /bin/sh linked to /bin/dash > > Versions of packages mdadm depends on: > ii debconf 1.5.27 Debian configuration > management sy > ii libc6 2.9-12 GNU C Library: Shared > libraries > ii lsb-base 3.2-22 Linux Standard Base 3.2 init > scrip > ii makedev 2.3.1-88 creates device files in /dev > ii udev 0.141-1 /dev/ and hotplug management > daemo > > Versions of packages mdadm recommends: > ii module-init-tools 3.9-2 tools for managing Linux > kernel mo > ii postfix [mail-transport-agen 2.6.2~rc1-1 High-performance mail > transport ag > > mdadm suggests no packages. > > -- debconf information: > mdadm/autostart: true > mdadm/mail_to: root > mdadm/initrdstart_msg_errmd: > * mdadm/initrdstart: all > mdadm/initrdstart_msg_errconf: > mdadm/initrdstart_notinconf: false > mdadm/initrdstart_msg_errexist: > mdadm/initrdstart_msg_intro: > mdadm/autocheck: true > mdadm/initrdstart_msg_errblock: > mdadm/start_daemon: true > > > > _______________________________________________ > pkg-mdadm-devel mailing list > pkg-mdadm-de...@lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/pkg-mdadm-devel > -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
