[Bug 241980] panic: I/O to pool appears to be hung on vdev
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bugzilla-noreply at freebsd.org
Fri Nov 15 08:01:51 UTC 2019
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241980
Bug ID: 241980
Summary: panic: I/O to pool appears to be hung on vdev
Product: Base System
Version: 11.3-STABLE
Hardware: Any
OS: Any
Status: New
Keywords: panic
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: bugs at FreeBSD.org
Reporter: eugen at freebsd.org
CC: avg at FreeBSD.org, mav at FreeBSD.org
11.2-STABLE/amd64 r344922 paniced with message like: panic: I/O to pool appears
to be hung on vdev
It paniced same way 2 days after upgrade to 11.3-STABLE r354667:
http://www.grosbein.net/freebsd/zpanic.png
Hardware: Dell PowerEdge R640 with 360G RAM, mrsas(4)-supported controller PERC
H730/P Mini LSI MegaRAID SAS-3 3108 [Invader]
7 SSD devices, two of them keep FreeBSD installation (distinct boot pool) and
five others are GELI-encrypted and combined to another (RAIDZ1) pool 'sata'
mentioned on screenshot.
vfs.zfs.arc_max=160g
# zpool status -v sata
pool: sata
state: ONLINE
scan: resilvered 58,0G in 0 days 00:08:02 with 0 errors on Wed Mar 13
21:34:28 2019
config:
NAME STATE READ WRITE CKSUM
sata ONLINE 0 0 0
raidz1-0 ONLINE 0 0 0
da2.eli ONLINE 0 0 0
da3.eli ONLINE 0 0 0
da4.eli ONLINE 0 0 0
da5.eli ONLINE 0 0 0
da6.eli ONLINE 0 0 0
logs
raid/r0s3 ONLINE 0 0 0
cache
raid/r1 ONLINE 0 0 0
errors: No known data errors
SSD devices da0 and da1 are combined with GEOM_RAID array having 3 volumes:
mirrored boot volume /dev/raid/r0 spans over beginning of both devices, has MBR
partitioning and keeps non-dedundant ZFS boot pool "os" as /dev/raid/r0s2 while
/dev/raid/r0s1 is swap space and /dev/raid/r0s3 acts as ZFS Log device for
"sata" pool shown above. The tail of da0 SSD (/dev/raid/r1) is used as ZFS
Cache (L2ARC) for "sata" pool and the tail of da1 (/dev/raid/r2) is unused
(reserved).
# gpart show
=> 63 448790465 raid/r0 MBR (214G)
63 441 - free - (221K)
504 134217728 1 freebsd (64G)
134218232 104857600 2 freebsd [active] (50G)
239075832 209714696 3 freebsd (100G)
# graid list
Geom name: Promise
State: OPTIMAL
Metadata: Promise
Providers:
1. Name: raid/r1
Mediasize: 250256121856 (233G)
Sectorsize: 512
Stripesize: 131072
Stripeoffset: 0
Mode: r1w1e1
Subdisks: da0 (ACTIVE)
Dirty: Yes
State: OPTIMAL
Strip: 131072
Components: 1
Transformation: CONCAT
RAIDLevel: RAID0
Label: r1
descr: Promise RAID0 volume
2. Name: raid/r0
Mediasize: 229780750336 (214G)
Sectorsize: 512
Stripesize: 4096
Stripeoffset: 0
Mode: r3w3e6
Subdisks: da0 (ACTIVE), da1 (ACTIVE)
Dirty: Yes
State: OPTIMAL
Strip: 131072
Components: 2
Transformation: RAID1
RAIDLevel: RAID1
Label: r0
descr: Promise RAID1 volume
3. Name: raid/r2
Mediasize: 250256121856 (233G)
Sectorsize: 512
Stripesize: 131072
Stripeoffset: 0
Mode: r0w0e0
Subdisks: da1 (ACTIVE)
Dirty: No
State: OPTIMAL
Strip: 131072
Components: 1
Transformation: CONCAT
RAIDLevel: RAID0
Label: r2
descr: Promise RAID0 volume
Consumers:
1. Name: da0
Mediasize: 480103981056 (447G)
Sectorsize: 512
Stripesize: 4096
Stripeoffset: 0
Mode: r1w1e1
ReadErrors: 0
Subdisks: r1(r1):0 at 229780750336, r0(r0):0 at 0
State: ACTIVE (ACTIVE, ACTIVE)
2. Name: da1
Mediasize: 480103981056 (447G)
Sectorsize: 512
Stripesize: 4096
Stripeoffset: 0
Mode: r1w1e1
ReadErrors: 0
Subdisks: r0(r0):1 at 0, r2(r2):0 at 229780750336
State: ACTIVE (ACTIVE, ACTIVE)
>From dmesg.boot:
AVAGO MegaRAID SAS FreeBSD mrsas driver version: 07.709.04.00-fbsd
mrsas0: <AVAGO Invader SAS Controller> port 0x4000-0x40ff mem
0xa0c00000-0xa0c0ffff,0xa0b00000-0xa0bfffff irq 32 at device 0.0 numa-domain 0
on pci5
mrsas0: FW now in Ready state
mrsas0: Using MSI-X with 32 number of vectors
mrsas0: FW supports <96> MSIX vector,Online CPU 32 Current MSIX <32>
mrsas0: max sge: 0x46, max chain frame size: 0x400, max fw cmd: 0x39f
mrsas0: Issuing IOC INIT command to FW.
mrsas0: IOC INIT response received from FW.
mrsas0: System PD created target ID: 0x0
mrsas0: System PD created target ID: 0x1
mrsas0: System PD created target ID: 0x2
mrsas0: System PD created target ID: 0x3
mrsas0: System PD created target ID: 0x4
mrsas0: System PD created target ID: 0x5
mrsas0: System PD created target ID: 0x6
mrsas0: FW supports: UnevenSpanSupport=1
mrsas0: max_fw_cmds: 927 max_scsi_cmds: 911
mrsas0: MSI-x interrupts setup success
mrsas0: mrsas_ocr_thread
da5 at mrsas0 bus 1 scbus17 target 5 lun 0
da2 at mrsas0 bus 1 scbus17 target 2 lun 0
da3 at mrsas0 bus 1 scbus17 target 3 lun 0
da4 at mrsas0 bus 1 scbus17 target 4 lun 0
da4: <ATA Micron_5200_MTFD U404> Fixed Direct Access SPC-4 SCSI device
da4: Serial Number 18531FF58A9B
da4: 150.000MB/s transfers
da4: 3662830MB (7501476528 512 byte sectors)
da2: <ATA Micron_5200_MTFD U404> Fixed Direct Access SPC-4 SCSI device
da2: Serial Number 18532039E29C
da2: 150.000MB/s transfers
da2: 3662830MB (7501476528 512 byte sectors)
da3: <ATA Micron_5200_MTFD U404> Fixed Direct Access SPC-4 SCSI device
da3: Serial Number 18531FF58CF6
da3: 150.000MB/s transfers
da3: 3662830MB (7501476528 512 byte sectors)
da5: <ATA Micron_5200_MTFD U404> Fixed Direct Access SPC-4 SCSI device
da5: Serial Number 18531FF586C2
da5: 150.000MB/s transfers
da5: 3662830MB (7501476528 512 byte sectors)
da6 at mrsas0 bus 1 scbus17 target 6 lun 0
da6: <ATA XA3840LE10063 00ZU> Fixed Direct Access SPC-4 SCSI device
da6: Serial Number HKT01DYR
da6: 150.000MB/s transfers
da6: 3662830MB (7501476528 512 byte sectors)
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