https://lists.ubuntu.com/archives/kernel-team/2017-March/082882.html
** Also affects: linux (Ubuntu Zesty)
Importance: Undecided
Assignee: Taco Screen team (taco-screen-team)
Status: New
** Changed in: linux (Ubuntu Zesty)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Zesty)
Assignee: Taco Screen team (taco-screen-team) => Tim Gardner (timg-tpi)
** Also affects: linux (Ubuntu Yakkety)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Yakkety)
Status: New => In Progress
** Changed in: linux (Ubuntu Yakkety)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
** Changed in: linux (Ubuntu Xenial)
Status: New => In Progress
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
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https://bugs.launchpad.net/bugs/1670490
Title:
FC Adapter (LPe32000-based) prints "iotag out of range", goes offline,
and delays boot a lot (Ubuntu17.04/Emulex/lpfc))
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Xenial:
In Progress
Status in linux source package in Yakkety:
In Progress
Status in linux source package in Zesty:
Fix Committed
Bug description:
---Problem Description---
FC Adapter goes offline and produces the call traces while booting into OS,
on assigning the LUNs to it.
---uname output---
Linux ltciofvtr-firestone1 4.9.0-12-generic #13-Ubuntu SMP Tue Jan 10
12:52:39 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux
FC Redfish Adapter(32 GB) is going offline on assigning the Luns to it.
Adapter shows online till pettitboot and even Luns are also vissible in
pettitboot.
once selecting the OS from pettitboot and booting into it, it produces call
traces and also few lpfc errors. attached the comple console logs FYR.
The FC switch to which the Redfish adapter is connected is a 16 GB switch and
the adapter is of 32 GB. According to me this parameter should not have any
concern as the adapter has to support backward compatibility.
---Steps to Reproduce---
1. install the adapter in a server. and connect it to FC switch (16 GB)
2. create zone and assign the LUNS to it from V7000.
3. reboot the OS
root@ltciofvtr-firestone1:~# ll /sys/class/fc_host/
total 0
drwxr-xr-x 2 root root 0 Jan 25 04:22 ./
drwxr-xr-x 72 root root 0 Jan 25 03:50 ../
lrwxrwxrwx 1 root root 0 Jan 25 04:13 host10 ->
../../devices/pci0001:00/0001:00:00.0/0001:01:00.1/host10/fc_host/host10/
lrwxrwxrwx 1 root root 0 Jan 25 04:13 host6 ->
../../devices/pci0000:00/0000:00:00.0/0000:01:00.0/host6/fc_host/host6/
lrwxrwxrwx 1 root root 0 Jan 25 04:13 host8 ->
../../devices/pci0000:00/0000:00:00.0/0000:01:00.1/host8/fc_host/host8/
lrwxrwxrwx 1 root root 0 Jan 25 04:13 host9 ->
../../devices/pci0001:00/0001:00:00.0/0001:01:00.0/host9/fc_host/host9/
root@ltciofvtr-firestone1:~#
root@ltciofvtr-firestone1:~# cat /sys/class/fc_host/host6/port_state
Offline
root@ltciofvtr-firestone1:~# cat /sys/class/fc_host/host8/port_state
Offline
root@ltciofvtr-firestone1:~# cat /sys/class/fc_host/host9/port_state
Online
root@ltciofvtr-firestone1:~# cat /sys/class/fc_host/host10/port_state
Online
root@ltciofvtr-firestone1:~#
root@ltciofvtr-firestone1:~# lspci -nn | grep -i fibre
0000:01:00.0 Fibre Channel [0c04]: Emulex Corporation Lancer Gen6: LPe32000
Fibre Channel Host Adapter [10df:e300] (rev 01)
0000:01:00.1 Fibre Channel [0c04]: Emulex Corporation Lancer Gen6: LPe32000
Fibre Channel Host Adapter [10df:e300] (rev 01)
0001:01:00.0 Fibre Channel [0c04]: Emulex Corporation Lancer-X: LightPulse
Fibre Channel Host Adapter [10df:e200] (rev 10)
0001:01:00.1 Fibre Channel [0c04]: Emulex Corporation Lancer-X: LightPulse
Fibre Channel Host Adapter [10df:e200] (rev 10)
root@ltciofvtr-firestone1:~#
Device driver error code:
[ 537.317563] lpfc 0000:01:00.1: 1:0338 IOCB wait timeout error - no wake
response Data x3c
[ 537.317755] lpfc 0000:01:00.1: 1:(0):0727 TMF FCP_LUN_RESET to TGT 1 LUN 0
failed (0, 0) iocb_flag x206
[ 537.317934] lpfc 0000:01:00.1: 1:(0):0713 SCSI layer issued Device Reset
(1, 0) return x2007
[ 537.318005] lpfc 0000:01:00.1: 1:0372 iotag x0 is out off range: max iotag
(x880)
[ 551.653563] lpfc 0000:01:00.0: 0:(0):0748 abort handler timed out waiting
for abortng I/O (xri:x149) to complete: ret 0x2003, ID 1, LUN 1
[ 551.653795] lpfc 0000:01:00.0: 0:0372 iotag x0 is out off range: max iotag
(x880)
[ 598.757557] lpfc 0000:01:00.1: 1:0338 IOCB wait timeout error - no wake
response Data x3c
[ 598.757766] lpfc 0000:01:00.1: 1:(0):0727 TMF FCP_LUN_RESET to TGT 1 LUN 1
failed (0, 0) iocb_flag x206
[ 598.757946] lpfc 0000:01:00.1: 1:(0):0713 SCSI layer issued Device Reset
(1, 1) return x2007
[ 598.758017] lpfc 0000:01:00.1: 1:0372 iotag x0 is out off range: max iotag
(x880)
[ 613.093562] lpfc 0000:01:00.0: 0:(0):0748 abort handler timed out waiting
for abortng I/O (xri:x14f) to complete: ret 0x2003, ID 1, LUN 0
[ 613.093630] INFO: task systemd-udevd:1148 blocked for more than 120
seconds.
[ 613.093631] Not tainted 4.9.0-12-generic #13-Ubuntu
[ 613.093631] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[ 613.093632] systemd-udevd D 0 1148 1141 0x00040000
Stack trace output:
[ 613.093633] Call Trace:
[ 613.093634] [c000001fd6b5b360] [ffffffffffffffff] 0xffffffffffffffff
(unreliable)
[ 613.093636] [c000001fd6b5b530] [c00000000001c3a0] __switch_to+0x2e0/0x4c0
[ 613.093637] [c000001fd6b5b590] [c000000000b188d8] __schedule+0x2f8/0x990
[ 613.093638] [c000001fd6b5b670] [c000000000b18fb8] schedule+0x48/0xc0
[ 613.093640] [c000001fd6b5b6a0] [c000000000b1d394]
schedule_timeout+0x274/0x470
[ 613.093641] [c000001fd6b5b790] [c000000000b19f8c]
wait_for_common+0xec/0x240
[ 613.093642] [c000001fd6b5b810] [c0000000000ea27c] flush_work+0x12c/0x270
[ 613.093643] [c000001fd6b5b8a0] [c0000000000eca20]
__cancel_work_timer+0xc0/0x220
[ 613.093645] [c000001fd6b5b940] [c00000000059966c]
disk_block_events+0xcc/0xe0
[ 613.093646] [c000001fd6b5b990] [c00000000037124c] __blkdev_get+0x9c/0x490
[ 613.093648] [c000001fd6b5ba00] [c000000000372830] blkdev_get+0x1a0/0x4a0
[ 613.093649] [c000001fd6b5bab0] [c0000000003167e0]
do_dentry_open+0x2d0/0x470
[ 613.093651] [c000001fd6b5bb10] [c00000000032fee4] do_last+0x614/0x1070
[ 613.093652] [c000001fd6b5bc00] [c000000000330a1c] path_openat+0xdc/0x480
[ 613.093654] [c000001fd6b5bc80] [c00000000033268c] do_filp_open+0xec/0x160
[ 613.093655] [c000001fd6b5bdb0] [c00000000031841c] do_sys_open+0x1cc/0x380
[ 613.093656] [c000001fd6b5be30] [c00000000000bd84] system_call+0x38/0xe0
[ 613.093657] INFO: task systemd-udevd:1155 blocked for more than 120
seconds.
[ 613.093658] Not tainted 4.9.0-12-generic #13-Ubuntu
[ 613.093658] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[ 613.093659] systemd-udevd D 0 1155 1141 0x00040002
Hi Canonical,
Can you please include these 2 commits to the lpfc driver on 17.04 and 16.04
HWE ?
They've just been applied on mainline as of 4.11-rc1.
The first resolves this problem, and the second prevents cache/DMA
consistency problems which is likely to be hit in the future with this
higher-performance adapter.
I already asked for both patches to be flagged for stable kernels.
[1] 8ea73db486cda442f0671f4bc9c03a76be398a28 lpfc: Correct WQ creation for
pagesize
[2] 6b3b3bdb83b4ad51252d21bb13596db879e51850 lpfc: Add missing memory barrier
Thank you.
[1]
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/scsi/lpfc?id=8ea73db486cda442f0671f4bc9c03a76be398a28
[2]
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/scsi/lpfc?id=6b3b3bdb83b4ad51252d21bb13596db879e51850
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