[Bug 197503] Kernel panic during wake up from suspend to ram (pmap_copy)
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Fri Feb 20 16:22:21 UTC 2015
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=197503
--- Comment #1 from Danilo Egea Gondolfo <danilo at FreeBSD.org> ---
Again, on ZFS this time:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x38
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff81273f23
stack pointer = 0x28:0xfffffe01202a0980
frame pointer = 0x28:0xfffffe01202a09b0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 5 (arc_reclaim_thread)
(kgdb) bt
#0 doadump (textdump=Unhandled dwarf expression opcode 0x93
) at pcpu.h:219
#1 0xffffffff8031adee in db_dump (dummy=<value optimized out>,
dummy2=Unhandled dwarf expression opcode 0x93
) at /usr/src/sys/ddb/db_command.c:533
#2 0xffffffff8031a8cc in db_command (cmd_table=0x0) at
/usr/src/sys/ddb/db_command.c:440
#3 0xffffffff8031a634 in db_command_loop () at
/usr/src/sys/ddb/db_command.c:493
#4 0xffffffff8031d1f0 in db_trap (type=<value optimized out>, code=Unhandled
dwarf expression opcode 0x93
) at /usr/src/sys/ddb/db_main.c:251
#5 0xffffffff806724ee in kdb_trap (type=Unhandled dwarf expression opcode 0x93
) at /usr/src/sys/kern/subr_kdb.c:654
#6 0xffffffff8096d469 in trap_fatal (frame=0xfffffe01202a08d0, eva=<value
optimized out>) at /usr/src/sys/amd64/amd64/trap.c:856
#7 0xffffffff8096d7e1 in trap_pfault (frame=0xfffffe01202a08d0,
usermode=<value optimized out>)
at /usr/src/sys/amd64/amd64/trap.c:678
#8 0xffffffff8096ce1e in trap (frame=0xfffffe01202a08d0) at
/usr/src/sys/amd64/amd64/trap.c:426
#9 0xffffffff80950472 in calltrap () at
/usr/src/sys/amd64/amd64/exception.S:235
#10 0xffffffff81273f23 in dbuf_destroy (db=0xfffff80107f000e0) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1826
#11 0xffffffff812786b1 in dbuf_do_evict (private=<value optimized out>)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1792
#12 0xffffffff8126bc61 in arc_do_user_evicts () at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c:2484
#13 0xffffffff8126f1bf in arc_reclaim_thread (dummy=0x0) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c:2785
#14 0xffffffff805f42ca in fork_exit (callout=0xffffffff8126ef90
<arc_reclaim_thread>, arg=0x0, frame=0xfffffe01202a0ac0)
at /usr/src/sys/kern/kern_fork.c:996
#15 0xffffffff809509ae in fork_trampoline () at
/usr/src/sys/amd64/amd64/exception.S:610
#16 0x0000000000000000 in ?? ()
(kgdb) frame 10
#10 0xffffffff81273f23 in dbuf_destroy (db=0xfffff80107f000e0) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1826
1826 dbuf_hash_remove(db);
(kgdb) p *db
$1 = {db = {db_object = 4593513014824267775, db_offset = 18446744071562051071,
db_size = 17255535289300942782, db_data = 0x0},
db_objset = 0xfffff80007474c00, db_dnode_handle = 0x0, db_parent =
0xfffff8010baf9380, db_hash_next = 0x0, db_blkid = 0,
db_blkptr = 0x0, db_level = 0 '\0', db_mtx = {lock_object = {lo_name =
0xffffffff8137234d "db->db_mtx", lo_flags = 40960000,
lo_data = 0, lo_witness = 0x0}, sx_lock = 1}, db_state = DB_EVICTING,
db_holds = {rc_count = 0}, db_buf = 0x0, db_changed = {
cv_description = 0xffffffff81372359 "db->db_changed", cv_waiters = 0},
db_data_pending = 0x0, db_last_dirty = 0x0, db_link = {
avl_child = {0x0, 0x0}, avl_pcb = 1}, db_user_ptr = 0x0, db_evict_func = 0,
db_immediate_evict = 0 '\0',
db_freed_in_flight = 0 '\0', db_dirtycnt = 0 '\0'}
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