It maybe a kernel bug Dec 9 08:16:07 ealxs00195 kernel: [1723012.226196] BUG: soft lockup - CPU#2 stuck for 23s! [kworker/2:5:1283]
Vincent Chen EMC2 | E-Lab Linux team -----Original Message----- From: boun...@canonical.com [mailto:boun...@canonical.com] On Behalf Of Ronald Moesbergen Sent: Monday, December 10, 2012 5:07 PM To: Chen, Vincent Subject: [Bug 1032550] Re: [multipath] failed to get sysfs information ** Attachment added: "My multipath.conf" https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1032550/+attachment/3456042/+files/multipath.conf -- You received this bug notification because you are subscribed to the bug report. https://bugs.launchpad.net/bugs/1032550 Title: [multipath] failed to get sysfs information Status in “multipath-tools” package in Ubuntu: In Progress Bug description: when shutdown switch port of host HBA, multippath-tool can't get correct information of subpath. by check the "multipath" output, some storage device type info disapppear and the failed path always stay in path group and don't be clear out. mpath2 (3600601601c102900944737e4a73fe011) dm-51 , size=6.0G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw |-+- policy='round-robin 0' prio=1 status=active | |- #:#:#:# - #:# failed faulty running | `- 5:0:2:5 sdcu 70:32 active ready running `-+- policy='round-robin 0' prio=0 status=enabled |- 5:0:3:5 sdfa 129:192 active ready running `- #:#:#:# - #:# failed faulty running mpath38 (3600601601c1029008eb6dbe8ae3fe011) dm-59 DGC,VRAID size=5.0G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw |-+- policy='round-robin 0' prio=1 status=active | `- 5:0:2:13 sddf 70:208 active ready running `-+- policy='round-robin 0' prio=0 status=enabled `- 5:0:3:13 sdfk 130:96 active ready running mpath63 (360000970000198700131533030303932) dm-13 EMC,SYMMETRIX size=5.6G features='0' hwhandler='0' wp=rw `-+- policy='round-robin 0' prio=1 status=active |- 5:0:0:8 sdl 8:176 active ready running `- 5:0:1:8 sdbd 67:112 active ready running mpath95 (360000970000198700131533030323445) dm-43 , size=898M features='0' hwhandler='0' wp=rw `-+- policy='round-robin 0' prio=1 status=active |- #:#:#:# - #:# failed faulty running |- #:#:#:# - #:# failed faulty running |- 5:0:0:38 sdas 66:192 active ready running `- 5:0:1:38 sdck 69:128 active ready running Same time, the syslog show many --------------- Aug 2 18:25:16 Linux51 multipathd: sdht: failed to get sysfs information Aug 2 18:25:16 Linux51 multipathd: sdht: unusable path ... ... --------------- After path recover, all failed path come back without problem. there is no IP blocked and error happend during fail/recover period. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1032550/+subscriptions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1032550 Title: [multipath] failed to get sysfs information To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1032550/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
