On 10/19/16 8:10 AM, geoffroy desvernay wrote:
On 11/17/2015 21:43, Pete Wright wrote:
On 11/12/15 09:44, Pete Wright wrote:
Hi All,
Just wanted a sanity check before filing a PR. I am running r290688 and
am seeing a LOR being triggered in the mpr(4) device:
$ uname -ar
FreeBSD srd0013 11.0-CURRENT FreeBSD 11.0-CURRENT #1 r290688: Wed Nov 11
21:28:26 PST 2015 root@srd0013:/usr/obj/usr/src/sys/GENERIC amd64
<dmesg snip>
lock order reversal:
1st 0xfffff8000d26bc60 CAM device lock (CAM device lock) @
/usr/src/sys/cam/cam_xpt.c:784
2nd 0xfffffe00012811c0 MPR lock (MPR lock) @
/usr/src/sys/cam/cam_xpt.c:2620
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe04608ee890
witness_checkorder() at witness_checkorder+0xe79/frame 0xfffffe04608ee910
__mtx_lock_flags() at __mtx_lock_flags+0xa4/frame 0xfffffe04608ee960
xpt_action_default() at xpt_action_default+0xb6c/frame 0xfffffe04608ee9b0
scsi_scan_bus() at scsi_scan_bus+0x1d5/frame 0xfffffe04608eea20
xpt_scanner_thread() at xpt_scanner_thread+0x15c/frame 0xfffffe04608eea70
fork_exit() at fork_exit+0x84/frame 0xfffffe04608eeab0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe04608eeab0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
<snip>
FWIW I filed the following PR as I can still reproduce this on boot:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204614
cheers,
-pete
Hi all,
Sorry for cross-posting, let me know where this should go please, I
didn't figured it out :(
On 11-RELEASE-p1 here (but replying on current@ where I found something
around mpr(4))
Not sure if it's related, but on a fresh new machine with Avago SAS3008
and a 24 disks enclosure (single attached).
I see a bunch of:
mpr0: Found device <401<SspTarg>,End Device> <12.0Gbps> handle<0x001b>
enclosureHandle<0x0002> slot 8
(da0:mpr0:0:8:0): UNMAPPED
(da0:mpr0:0:8:0): CAM status: SCSI Status Error
(da0:mpr0:0:8:0): SCSI status: Check Condition
(da0:mpr0:0:8:0): SCSI sense: ILLEGAL REQUEST asc:20,0 (Invalid command
operation code)
(da0:mpr0:0:8:0): Error 22, Unretryable error
10:0): UNMAPPED
(da0:mpr0:0:8:0): READ(10). CDB: 28 00 e8 e0 88 71 00 00 04 00
(da0:mpr0:0:8:0): CAM status: SCSI Status Error
(da0:mpr0:0:8:0): SCSI status: Check Condition
(da0:mpr0:0:8:0): SCSI sense: ILLEGAL REQUEST asc:20,0 (Invalid command
operation code)
(da0:mpr0:0:8:0): Error 22, Unretryable error
ses0: da0: Element descriptor: 'Drive Slot 0'
ses0: da0: SAS Device Slot Element: 2 Phys at Slot 0
ses0: phy 0: SAS device type 1 id 0
ses0: phy 0: protocols: Initiator( None ) Target( SSP )
ses0: phy 0: parent 520474729974b57f addr 5000c50097ce8215
ses0: phy 1: SAS device type 1 id 1
ses0: phy 1: protocols: Initiator( None ) Target( SSP )
ses0: phy 1: parent 520474729974b5ff addr 5000c50097ce8216
(more complete dmesg.boot here: http://dgeo.perso.ec-m.fr/dmesg.boot )
the issue you are seeing is most likely not related to the LOR from the
original email and PR I filed. This looks like a media error with the
disk device on your RAID controller. A quick google search turn's up
quite a few threads on this - ranging from bad RAID/JBOD controllers to
out of date firmware.
Cheers,
-pete
--
Pete Wright
p...@nomadlogic.org
nomadlogicLA
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