Date: Sun, 20 Oct 2013 09:02:25 -0400 From: J David <j.david.lists@gmail.com> To: Konstantin Belousov <kostikbel@gmail.com> Cc: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org>, alc@freebsd.org, Alan Cox <alc@rice.edu> Subject: Re: 9.2 + ZFS + i386 = panic: pmap_enter: attempted pmap_enter on 4MB page Message-ID: <CABXB=RTVpBYFy209ML-NMdNioTqJuYYkVv5L9zjRYB=7yemB1w@mail.gmail.com> In-Reply-To: <CABXB=RSGpH3sFNo0i6jFr6mH-U79c-1kNA%2B2kZaj7rE9ENoLEA@mail.gmail.com> References: <CABXB=RQd_yT%2BsEA0qBnyCK-3ZsvxfSiSCcMVjnHoSyCB%2BZ5%2BRg@mail.gmail.com> <20131015164537.GH3865@kib.kiev.ua> <525D7784.5000808@rice.edu> <20131016060010.GO3865@kib.kiev.ua> <CABXB=RR2C%2BpZAr%2BZDDCe%2Bxb=EG4AQL0_WyTQneGG1TW6Ghi7=w@mail.gmail.com> <CABXB=RQhsZKJi34gojN_96%2BTmJ9_DOsd-HyZ5wPLAsAPu1h7pg@mail.gmail.com> <20131017070949.GA3865@kib.kiev.ua> <CABXB=RSGpH3sFNo0i6jFr6mH-U79c-1kNA%2B2kZaj7rE9ENoLEA@mail.gmail.com>
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The "attempted pmap_enter on 4MB page" panic occurred again. It says
the vmcore "isn't a dump file" for some reason but the core.txt file
contains this, which looks right and has source line numbers:
#0 doadump (textdump=1) at pcpu.h:249
249 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) #0 doadump (textdump=1) at pcpu.h:249
#1 0x80ab0f98 in kern_reboot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:449
#2 0x80ab1448 in panic (fmt=<value optimized out>)
at /usr/src/sys/kern/kern_shutdown.c:637
#3 0x80f0b5bc in pmap_enter (pmap=0x81487c78, va=2296995840,
m=<value optimized out>, prot=0 '\0')
at /usr/src/sys/i386/i386/pmap.c:3532
#4 0x80d24f01 in vm_fault_hold (vaddr=808648704, fault_type=7 '\a',
fault_flags=<value optimized out>, m_hold=<value optimized out>)
at /usr/src/sys/vm/vm_fault.c:935
#5 0x80d23382 in vm_fault (map=0x81feb000, vaddr=<value optimized out>,
fault_type=0 '\0', fault_flags=<value optimized out>)
at /usr/src/sys/vm/vm_fault.c:229
#6 0x80f12aae in trap_pfault (frame=0x8774d9f4, usermode=0,
eva=<value optimized out>) at /usr/src/sys/i386/i386/trap.c:934
#7 0x80f1213c in trap (frame=0x8774d9f4) at /usr/src/sys/i386/i386/trap.c:555
#8 0x80efb43c in calltrap () at /usr/src/sys/i386/i386/exception.s:170
#9 0x81759322 in avl_last (tree=0x88c5c4e0)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/common/avl/avl.c:194
#10 0x817bed4b in metaslab_df_alloc (sm=0x885c4b80, size=2560)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c:493
#11 0x817d8b83 in space_map_alloc (sm=<value optimized out>, size=2560)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/space_map.c:420
#12 0x817bd9d0 in metaslab_alloc (spa=0x30430000, mc=0x20,
psize=3825868744137834496, bp=0x3769, txg=4344284791469325298,
hintbp=0x7ae28e0, flags=<value optimized out>)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c:1478
#13 0x8180676f in zio_dva_allocate (zio=0x883ca8b8)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2338
#14 0x81803c46 in zio_execute (zio=0x883ca8b8)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1305
#15 0x81765380 in taskq_run_safe (arg=0x883cab70, pending=1)
at /usr/src/sys/modules/zfs/../../cddl/compat/opensolaris/kern/opensolaris_taskq.c:150
#16 0x80af4ca1 in taskqueue_run_locked (queue=0x883b05c0)
at /usr/src/sys/kern/subr_taskqueue.c:312
#17 0x80af54a9 in taskqueue_thread_loop (arg=0x882e7170)
at /usr/src/sys/kern/subr_taskqueue.c:501
#18 0x80a7febc in fork_exit (callout=0x80af5420 <taskqueue_thread_loop>,
arg=0x88e96c44, frame=0x10) at /usr/src/sys/kern/kern_fork.c:992
#19 0x80efb4e4 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:279
Hopefully this is helpful.
Thanks!
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