RELENG_7 ata panic on atacontrol attach

[Dmitry Morozovsky]

On Thu, 2 Apr 2009, Dmitry Morozovsky wrote:

DM> Some other hot reinserts finished successfully.

Well, a couple minutes later after hot-reinsert machine paniced again (but now 
it seems related to ZFS):


Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address   = 0x28
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0xc0836964
stack pointer           = 0x28:0xfa466bd4
frame pointer           = 0x28:0xfa466be4
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 35 (arc_reclaim_thread)
trap number             = 12
panic: page fault
cpuid = 1
Uptime: 11m8s
Physical memory: 2039 MB
Dumping 300 MB: 285 269 253 237 221 205 189 173 157 141 125 109 93 77 61 45 29 
13

(kgdb) bt
#0  doadump () at pcpu.h:196
#1  0xc0533227 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
#2  0xc0533535 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:574
#3  0xc06cfce3 in trap_fatal (frame=0xfa466b94, eva=40) at 
/usr/src/sys/i386/i386/trap.c:939
#4  0xc06cff40 in trap_pfault (frame=0xfa466b94, usermode=0, eva=40) at 
/usr/src/sys/i386/i386/trap.c:852
#5  0xc06d08e6 in trap (frame=0xfa466b94) at /usr/src/sys/i386/i386/trap.c:530
#6  0xc06b5b5b in calltrap () at /usr/src/sys/i386/i386/exception.s:159
#7  0xc0836964 in avl_destroy_nodes (tree=0xc9a2d540, cookie=0xfa466bf4) at 
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/common/avl/avl.c:933
#8  0xc088b873 in mze_destroy (zap=Variable "zap" is not available.
) at 
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zap_micro.c:175
#9  0xc088bbf3 in zap_evict (db=0xcca1cdac, vzap=0xc9a2d500) at 
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zap_micro.c:472
#10 0xc084c818 in dbuf_evict_user (db=0xcca1cdac) at 
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:224
#11 0xc084d655 in dbuf_clear (db=0xcca1cdac) at 
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1281
#12 0xc084d762 in dbuf_evict (db=0xcca1cdac) at 
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:237
#13 0xc084db76 in dbuf_do_evict (private=0xc90d5cbc) at 
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1458
#14 0xc0847517 in arc_do_user_evicts () at 
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c:1321
#15 0xc084a584 in arc_reclaim_thread (dummy=0x0) at 
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c:1551
#16 0xc050d877 in fork_exit (callout=0xc084a380 <arc_reclaim_thread>, arg=0x0, 
frame=0xfa466d38) at /usr/src/sys/kern/kern_fork.c:810
#17 0xc06b5bd0 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:264


-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck at FreeBSD.org ]
------------------------------------------------------------------------
*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***
------------------------------------------------------------------------