Canonical does not have access to this hardware, will need IBM to propose a fix.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1505178/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp