** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1505178
Title:
MFG: Habanero: hxestorage exerciser logs task blocked messages in
dmesg when running disks under PMC Sierra
Status in linux package in Ubuntu:
Triaged
Bug description:
== Comment: #0 ==
When running STX on Habanero systems with PMC Sierra, the following
linux error messages are found when running "dmesg -T
--level=alert,crit,err" after the run.
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18049 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18177 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18181 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18185 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18189 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18194 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18200 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18205 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18213 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18221 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
We are running the following code levels.
ver 1.5.4.3 - OS, HTX, Firmware and Machine details
OS: GNU/Linux
OS Version: Ubuntu 14.04.3 LTS \n \l
Kernel Version: 3.19.0-25-generic
HTX Version: htxubuntu-357
Host Name: rcx2c357
Machine Serial No: 1035C5A
Machine Type/Model: 8348-21C
We have a very limited number of PMC Sierra configs. I've seen this error on
both EC3S and ECSY PMC adapter types. We've only run systems with 6TB drives
or a mix of 6TB and 8TB disk drives so far.
== Comment: #5 ==
Call Trace:
dmesg -T
---------------
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18049 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] hxestorage D 00003fff78c69a20 0 18049
451 0x00040000
[Fri Oct 2 12:36:52 2015] Call Trace:
[Fri Oct 2 12:36:52 2015] [c00000791de17490] [c0000079111f8980]
0xc0000079111f8980 (unreliable)
[Fri Oct 2 12:36:52 2015] [c00000791de17660] [c000000000015934]
__switch_to+0x204/0x350
[Fri Oct 2 12:36:52 2015] [c00000791de176c0] [c000000000a11948]
__schedule+0x368/0x8d0
[Fri Oct 2 12:36:52 2015] [c00000791de178e0] [c000000000a124e0]
schedule_preempt_disabled+0x20/0x30
[Fri Oct 2 12:36:52 2015] [c00000791de17900] [c000000000a1464c]
__mutex_lock_slowpath+0xfc/0x1f0
[Fri Oct 2 12:36:52 2015] [c00000791de17980] [c000000000a147ac]
mutex_lock+0x6c/0x70
[Fri Oct 2 12:36:52 2015] [c00000791de179b0] [c0000000003050a8]
__blkdev_get+0xa8/0x4d0
[Fri Oct 2 12:36:52 2015] [c00000791de17a20] [c000000000305730]
blkdev_get+0x260/0x4d0
[Fri Oct 2 12:36:52 2015] [c00000791de17ad0] [c0000000002b10c0]
do_dentry_open+0x270/0x410
[Fri Oct 2 12:36:52 2015] [c00000791de17b30] [c0000000002c6368]
do_last+0x1b8/0xf30
[Fri Oct 2 12:36:52 2015] [c00000791de17c00] [c0000000002c96fc]
path_openat+0xdc/0x7c0
[Fri Oct 2 12:36:52 2015] [c00000791de17cd0] [c0000000002cb358]
do_filp_open+0x58/0xd0
[Fri Oct 2 12:36:52 2015] [c00000791de17db0] [c0000000002b2e88]
do_sys_open+0x1c8/0x390
[Fri Oct 2 12:36:52 2015] [c00000791de17e30] [c000000000009258]
system_call+0x38/0xd0
[Fri Oct 2 12:36:52 2015] INFO: task hxestorage:18177 blocked for more than
120 seconds.
[Fri Oct 2 12:36:52 2015] Tainted: G OE 3.19.0-25-generic
#26~14.04.1-Ubuntu
[Fri Oct 2 12:36:52 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[Fri Oct 2 12:36:52 2015] hxestorage D 00003fff78c69a20 0 18177
451 0x00040000
[Fri Oct 2 12:36:52 2015] Call Trace:
[Fri Oct 2 12:36:52 2015] [c00000791beb7490] [00000000000025f7] 0x25f7
(unreliable)
[Fri Oct 2 12:36:52 2015] [c00000791beb7660] [c000000000015934]
__switch_to+0x204/0x350
[Fri Oct 2 12:36:52 2015] [c00000791beb76c0] [c000000000a11948]
__schedule+0x368/0x8d0
[Fri Oct 2 12:36:52 2015] [c00000791beb78e0] [c000000000a124e0]
schedule_preempt_disabled+0x20/0x30
[Fri Oct 2 12:36:52 2015] [c00000791beb7900] [c000000000a1464c]
__mutex_lock_slowpath+0xfc/0x1f0
[Fri Oct 2 12:36:52 2015] [c00000791beb7980] [c000000000a147ac]
mutex_lock+0x6c/0x70
[Fri Oct 2 12:36:52 2015] [c00000791beb79b0] [c0000000003050a8]
__blkdev_get+0xa8/0x4d0
[Fri Oct 2 12:36:52 2015] [c00000791beb7a20] [c000000000305730]
blkdev_get+0x260/0x4d0
[Fri Oct 2 12:36:52 2015] [c00000791beb7ad0] [c0000000002b10c0]
do_dentry_open+0x270/0x410
[Fri Oct 2 12:36:52 2015] [c00000791beb7b30] [c0000000002c6368]
do_last+0x1b8/0xf30
[Fri Oct 2 12:36:52 2015] [c00000791beb7c00] [c0000000002c96fc]
path_openat+0xdc/0x7c0
[Fri Oct 2 12:36:52 2015] [c00000791beb7cd0] [c0000000002cb358]
do_filp_open+0x58/0xd0
[Fri Oct 2 12:36:52 2015] [c00000791beb7db0] [c0000000002b2e88]
do_sys_open+0x1c8/0x390
[Fri Oct 2 12:36:52 2015] [c00000791beb7e30] [c000000000009258]
system_call+0x38/0xd0
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