[Bug 195349] CAM status: Command timeout since upgrade to 10.1
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Sun Feb 1 21:58:35 UTC 2015
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195349
Oliver Peter <lists at peter.de.com> changed:
What |Removed |Added
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CC| |lists at peter.de.com
--- Comment #29 from Oliver Peter <lists at peter.de.com> ---
Hi,
I just ran into this issue as well, this is a N54L with 3 zpools using a 30G
SSD (connected to the fifth SATA CD-ROM port) as L2ARC.
I'm also using the workaround described here and it does not make any
difference.
Here are some details about the machine:
$ uname -a
FreeBSD cube.home.gfuzz.de 10.1-STABLE FreeBSD 10.1-STABLE #0 ebf97d8(HEAD):
Tue Jan 27 12:27:05 UTC 2015
root at cube.home.gfuzz.de:/usr/obj/usr/src/sys/GENERIC amd64
$ grep hint /boot/loader.conf
hint.ahci.0.msi="0"
$ zpool list -v
NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP
DEDUP HEALTH ALTROOT
dpool 1.81T 653G 1.17T - 22% 35%
1.00x ONLINE -
mirror 1.81T 653G 1.17T - 22% 35%
gpt/dpool0 - - - - - -
gpt/dpool1 - - - - - -
cache - - - - - -
ada4p1 2.00G 1.90G 99.8M - 0% 95%
fpool 137G 31.8G 105G - 20% 23%
1.00x ONLINE -
diskid/DISK-WD-WMASU0331725p4 68.5G 15.9G 52.6G - 20% 23%
diskid/DISK-WD-WCASY6487340p4 68.5G 15.9G 52.6G - 20% 23%
cache - - - - - -
ada4p6 2.00G 14.8M 1.98G - 0% 0%
zroot 392G 18.7G 373G - 2% 4%
1.00x ONLINE -
mirror 392G 18.7G 373G - 2% 4%
diskid/DISK-WD-WMASU0331725p3 - - - - - -
diskid/DISK-WD-WCASY6487340p3 - - - - - -
cache - - - - - -
ada4p3 2.00G 12.4M 1.98G - 0% 0%
$ vmstat -i
interrupt total rate
irq14: ata0 45120 34
irq18: ohci0 ohci1+ 4 0
irq19: ahci0 1899578 1461
irq256: hpet0:t0 1482445 1140
irq257: hpet0:t1 970039 746
irq259: bge0 21615 16
Total 4418801 3399
$ tail /var/log/messages
Feb 1 21:47:23 cube kernel: (ada4:ata0:0:1:0): Retrying command
Feb 1 21:51:14 cube kernel: (ada4:ata0:0:1:0): READ_DMA. ACB: c8 00 d3 3f 80
40 00 00 00 00 01 00
Feb 1 21:51:14 cube kernel: (ada4:ata0:0:1:0): CAM status: Command timeout
Feb 1 21:51:14 cube kernel: (ada4:ata0:0:1:0): Retrying command
Feb 1 21:52:04 cube kernel: (ada4:ata0:0:1:0): READ_DMA. ACB: c8 00 2b 1d 0c
40 00 00 00 00 01 00
Feb 1 21:52:04 cube kernel: (ada4:ata0:0:1:0): CAM status: Command timeout
Feb 1 21:52:04 cube kernel: (ada4:ata0:0:1:0): Retrying command
Feb 1 21:52:54 cube kernel: (ada4:ata0:0:1:0): READ_DMA. ACB: c8 00 e3 eb 0d
40 00 00 00 00 01 00
Feb 1 21:52:54 cube kernel: (ada4:ata0:0:1:0): CAM status: Command timeout
Feb 1 21:52:54 cube kernel: (ada4:ata0:0:1:0): Retrying command
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