Public bug reported:
I use two 2TB Enterprise WD Disks on a Intel Server Board SK1200KP with
E3-1220L CPU.
I created a container array for IMSM metadata.
mdadm --create --verbose /dev/md/0 /dev/sd[c-d] --raid-devices 2 --metadata imsm
Then I created an array based on the imsm container.
mdadm --create /dev/md/1 /dev/md/0 --raid-devices 2 --level 1 -c 128 -z
$((1836*1024*1024))
Then I tried to access /dev/md1 using parted and the kernel panic occured.
...
[ 150.883146] md/raid1:md1: not clean -- starting background reconstruction
[ 150.883150] md/raid1:md1: active with 2 out of 2 mirrors
[ 150.883181] md1: detected capacity change from 0 to 1971389988864
[ 150.885868] md1: unknown partition table
[ 211.123566] ------------[ cut here ]------------
[ 211.123582] kernel BUG at /build/buildd/linux-3.2.0/drivers/md/md.c:6923!
[ 211.123592] invalid opcode: 0000 [#1] SMP
[ 211.123602] CPU 1
[ 211.123607] Modules linked in: snd_hda_codec_hdmi joydev hid_logitech
ff_memless bridge stp usbhid nouveau hid psmouse ttm serio_raw drm_kms_helper
drm snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore
snd_page_alloc i2c_algo_bit mxm_wmi wmi video mei(C) mac_hid lp parport raid10
raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx
e1000e raid1 raid0 multipath linear
[ 211.123741]
[ 211.123747] Pid: 1724, comm: parted Tainted: G C 3.2.0-27-generic
#43-Ubuntu /S1200KP
...
# mdadm --detail-platform
Platform : Intel(R) Matrix Storage Manager
Version : 11.1.0.1413
RAID Levels : raid0 raid1 raid10 raid5
Chunk Sizes : 4k 8k 16k 32k 64k 128k
Max Disks : 6
Max Volumes : 2
I/O Controller : /sys/devices/pci0000:00/0000:00:1f.2 (SATA)
Port0 : /dev/sda (EL125500W6******)
Port1 : /dev/sdb (J8400076******)
Port2 : /dev/sdc (WD-WCAVY7******)
Port3 : /dev/sdd (WD-WCAVY7******)
Port4 : - no device attached -
Port5 : - no device attached -
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-27-generic 3.2.0-27.43
ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
Uname: Linux 3.2.0-27-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.0.1-0ubuntu11
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/hwC0D1', '/dev/snd/hwC0D2',
'/dev/snd/hwC0D3', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D7p',
'/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D9p', '/dev/snd/seq', '/dev/snd/timer']
failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info: Error: [Errno 2] No such file or directory
Card0.Amixer.values: Error: [Errno 2] No such file or directory
Date: Sat Jul 28 18:05:02 2012
HibernationDevice: RESUME=UUID=a0c53194-877d-46b4-8c91-bd964e679cb9
InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Release amd64
(20120424.1)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 003: ID 046d:c50c Logitech, Inc. Cordless Desktop S510
ProcEnviron:
LANGUAGE=en_GB:en
TERM=rxvt
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-27-generic
root=UUID=a6f09155-f838-44fd-b8db-b30c630649db ro
RelatedPackageVersions:
linux-restricted-modules-3.2.0-27-generic N/A
linux-backports-modules-3.2.0-27-generic N/A
linux-firmware 1.79
RfKill: Error: [Errno 2] No such file or directory
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/18/2012
dmi.bios.vendor: Intel Corp.
dmi.bios.version: KPC2060H.86B.0022.2012.0518.1049
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: S1200KP
dmi.board.vendor: Intel Corporation
dmi.board.version: AAG34877-102
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnIntelCorp.:bvrKPC2060H.86B.0022.2012.0518.1049:bd05/18/2012:svn:pn:pvr:rvnIntelCorporation:rnS1200KP:rvrAAG34877-102:cvn:ct3:cvr:
** Affects: mdadm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise staging
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https://bugs.launchpad.net/bugs/1030333
Title:
Problem with IMSM Raid
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