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kern/51702: panic: iostat_unbusy



>Number:         51702
>Category:       kern
>Synopsis:       panic: iostat_unbusy
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Dec 10 14:45:00 +0000 2016
>Originator:     Martin Husemann
>Release:        NetBSD 7.99.44
>Organization:
The NetBSD Foundationk, Inc.
>Environment:
System: NetBSD thirdstage.duskware.de 7.99.44 NetBSD 7.99.44 (MODULAR) #577: Fri Dec 9 15:59:53 CET 2016 martin%thirdstage.duskware.de@localhost:/usr/src/sys/arch/sparc64/compile/MODULAR sparc64
Architecture: sparc64
Machine: sparc64
>Description:

During a build.sh run with -j 4 I got this panic:

panic: iostat_unbusy
db{0}> bt
panic(18c7290, 1048cbc38, ff070000000001, 18be400, 1ce5958, 0) at netbsd:panic+0
x24
iostat_unbusy(1048cbc38, 3000, 0, e00479c0, 1ce5958, 104627fc0) at netbsd:iostat
_unbusy+0x100
sddone(104668900, 0, ff070000000001, 18c4800, 104686808, 10919f100) at netbsd:sd
done+0x60
scsipi_complete(104668900, 1050dad80, 0, 1048d5418, 1c8ade8, 10464b010) at netbs
d:scsipi_complete+0x25c
scsipi_done(10464b010, 0, fd0, b0, 1048d5418, 10464b010) at netbsd:scsipi_done+0
x208
esiop_checkdone(10464b008, 188ee70, 188eef0, 0, 0, 10) at netbsd:esiop_checkdone
+0x250
esiop_intr(10464b008, ffffffffd0f11600, 4, 4, 1c63c00, 4) at netbsd:esiop_intr+0
x2c
intr_biglock_wrapper(10463f430, 0, e0047ed0, 0, 1042900, 71) at netbsd:intr_bigl
ock_wrapper+0x10
sparc_interrupt(1, 3, fd5000, ffffffffd4ed4d80, e180, ffffffffd7301e78) at netbs
d:sparc_interrupt+0x294

Only sd0 was active during this build.

esiop0 at pci2 dev 2 function 0: Symbios Logic 53c1010-66 (ultra3-wide scsi)
esiop0: using on-board RAM
esiop0: interrupting at ivec 1f29
scsibus0 at esiop0: 16 targets, 8 luns per target
esiop1 at pci2 dev 2 function 1: Symbios Logic 53c1010-66 (ultra3-wide scsi)
esiop1: using on-board RAM
esiop1: interrupting at ivec 1f28
scsibus1 at esiop1: 16 targets, 8 luns per target
sd0 at scsibus0 target 0 lun 0: <SEAGATE, ST336607LSUN36G, 0307> disk fixed
sd0: 34732 MB, 24622 cyl, 27 head, 107 sec, 512 bytes/sect x 71132959 sectors
sd0: sync (12.50ns offset 62), 16-bit (160.000MB/s) transfers, tagged queueing
sd1 at scsibus0 target 1 lun 0: <SEAGATE, ST336607LSUN36G, 0307> disk fixed
sd1: 34732 MB, 24622 cyl, 27 head, 107 sec, 512 bytes/sect x 71132959 sectors
sd1: sync (12.50ns offset 62), 16-bit (160.000MB/s) transfers, tagged queueing


>How-To-Repeat:
s/a

>Fix:
n/a



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