DragonFly bugs List (threaded) for 2009-12
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[issue1597] panic: assertion: parent != NULL in hammer_cursor_removed_node (v2.5.1.187.gc1543-DEV, X86_64)
jb <zeroaleph@gmail.com> added the comment:
Hello,
I've hitted the same assertion, trying to 'hammer version-upgrade / 3'. Now, I
can reliably trigger this panic when doing a hammer cleanup.
Let me know if you need more info. I can probably arrange to upload the dump
somewhere in the following days if you need it, just tell me.
uname -a
DragonFly libellule.jos.net 2.5.1-DEVELOPMENT DragonFly v2.5.1.352.g37653-
DEVELOPMENT #1: Sun Dec 6 20:08:01 CET 2009
root@libellule.jos.net:/usr/obj/usr/src/sys/GENERIC i386
libellule# hammer cleanup
cleanup / - handle PFS #0 using /var/hammer/root
snapshots - skip
prune - skip
rebalance - skip
reblock - skip
recopy - skip
cleanup /var - handle PFS #1 using /var/hammer/var
snapshots - skip
prune - skip
rebalance - skip
reblock - skip
recopy - skip
cleanup /tmp - handle PFS #2 using /var/hammer/tmp
snapshots - disabled
prune - skip
rebalance - skip
reblock - skip
recopy - skip
cleanup /usr - handle PFS #3 using /var/hammer/usr
snapshots - skip
prune - skip
rebalance - skip
reblock - skip
recopy - skip
cleanup /home - handle PFS #4 using /var/hammer/home
snapshots - run
prune - run
rebalance - run..
reblock - run....
recopy - run....
cleanup /usr/obj -(migrating) HAMMER UPGRADE: Moving snapshots
Moving snapshots from /usr/obj/snapshots to /var/hammer/usr/obj
handle PFS #5 using /var/hammer/usr/obj
snapshots - disabled
prune - run
<PANIC!>
libellule# kgdb kernel.1 vmcore.1
GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i386-dragonfly".
For bug reporting instructions, please see:
<http://bugs.dragonflybsd.org/>...
Reading symbols from /var/crash/kernel.1...done.
Unread portion of the kernel message buffer:
panic: assertion: parent != NULL in hammer_cursor_removed_node
Trace beginning at frame 0xdece6684
panic(dece66a8,0,0,dee36cf8,dece66c0) at panic+0x8c
panic(c057df63,c059cadf,c05696d3,dee36b18,0) at panic+0x8c
hammer_cursor_removed_node(dee36cf8,0,0,dece6818,0) at
hammer_cursor_removed_node+0x27
btree_remove(dee36cf8,0,dee36e38,dee36e38,dee36e38) at btree_remove+0x12f
btree_remove(0,0,c82c2040,c458ff98,dece67b0) at btree_remove+0x114
hammer_btree_delete(dece6818) at hammer_btree_delete+0x1ab
hammer_delete_at_cursor(dece6818,2,0,0,4b1d6cb3) at
hammer_delete_at_cursor+0x327
hammer_ioc_prune(dece6a74,da83c2d0,c458ff00,4,dece6956) at
hammer_ioc_prune+0x4c1
hammer_ioctl(da83c2d0,c0fc6801,c458ff00,1,c44674c8) at hammer_ioctl+0x1b8
hammer_vop_ioctl(dece6ad0,c0649380,db15eed0,4b1d6cb3,26a27419) at
hammer_vop_ioctl+0x2f
vop_ioctl(db15eed0,c45d44a8,c0fc6801,c458ff00,1) at vop_ioctl+0x3e
vn_ioctl(d784eb98,c0fc6801,c458ff00,c44674c8,dece6cf0) at vn_ioctl+0xe0
mapped_ioctl(4,c0fc6801,280b0188,0,dece6cf0) at mapped_ioctl+0x3e7
sys_ioctl(dece6cf0,6,0,0,da78c018) at sys_ioctl+0x17
syscall2(dece6d40) at syscall2+0x1ef
Xint0x80_syscall() at Xint0x80_syscall+0x36
Debugger("panic")
Uptime: 1h18m39s
dumping to dev ad0s1b, blockno 4214784
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Reading symbols from /boot/modules/acpi.ko...done.
Loaded symbols for /boot/modules/acpi.ko
Reading symbols from /boot/modules/null.ko...done.
Loaded symbols for /boot/modules/null.ko
_get_mycpu () at ./machine/thread.h:83
83 __asm ("movl %%fs:globaldata,%0" : "=r" (gd) : "m"(__mycpu__dummy));
(kgdb) bt
#0 _get_mycpu () at ./machine/thread.h:83
#1 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:657
#2 0xc031e1e2 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:378
#3 0xc031e303 in panic (fmt=0xc057df63 "assertion: %s in %s") at
/usr/src/sys/kern/kern_shutdown.c:813
#4 0xc048acc6 in hammer_cursor_removed_node (node=0xdee36cf8, parent=0x0,
index=0) at /usr/src/sys/vfs/hammer/hammer_cursor.c:722
#5 0xc048886d in btree_remove (cursor=0xdece6818) at
/usr/src/sys/vfs/hammer/hammer_btree.c:2229
#6 0xc0488852 in btree_remove (cursor=0xdece6818) at
/usr/src/sys/vfs/hammer/hammer_btree.c:2227
#7 0xc0488c51 in hammer_btree_delete (cursor=0xdece6818) at
/usr/src/sys/vfs/hammer/hammer_btree.c:896
#8 0xc0498382 in hammer_delete_at_cursor (cursor=0xdece6818,
delete_flags=<value optimized out>, delete_tid=0, delete_ts=1260219571, track=0,
stat_bytes=0xc458ffb0) at /usr/src/sys/vfs/hammer/hammer_object.c:2488
#9 0xc049d4dd in hammer_ioc_prune (trans=0xdece6a74, ip=0xda83c2d0,
prune=0xc458ff00) at /usr/src/sys/vfs/hammer/hammer_prune.c:184
#10 0xc0493b94 in hammer_ioctl (ip=0xda83c2d0, com=3237767169, data=0xc458ff00
"\001", fflag=1, cred=0xc44674c8)
at /usr/src/sys/vfs/hammer/hammer_ioctl.c:76
#11 0xc04a544d in hammer_vop_ioctl (ap=0xdece6ad0) at
/usr/src/sys/vfs/hammer/hammer_vnops.c:2304
#12 0xc0375ce5 in vop_ioctl (ops=0xdb15eed0, vp=0xc45d44a8, command=3237767169,
data=0xc458ff00 "\001", fflag=1, cred=0xc44674c8, msg=0xdece6cf0)
at /usr/src/sys/kern/vfs_vopops.c:389
#13 0xc0375809 in vn_ioctl (fp=0xd784eb98, com=3237767169, data=0xc458ff00
"\001", ucred=0xc44674c8, msg=0xdece6cf0)
at /usr/src/sys/kern/vfs_vnops.c:938
#14 0xc033e9ef in fo_ioctl (fd=4, com=3237767169, uspc_data=0x280b0188 <Address
0x280b0188 out of bounds>, map=0x0, msg=0xdece6cf0)
at /usr/src/sys/sys/file2.h:88
#15 mapped_ioctl (fd=4, com=3237767169, uspc_data=0x280b0188 <Address 0x280b0188
out of bounds>, map=0x0, msg=0xdece6cf0)
at /usr/src/sys/kern/sys_generic.c:697
#16 0xc033ea78 in sys_ioctl (uap=0xdece6cf0) at
/usr/src/sys/kern/sys_generic.c:521
#17 0xc05310b3 in syscall2 (frame=0xdece6d40) at
/usr/src/sys/platform/pc32/i386/trap.c:1339
#18 0xc0521586 in Xint0x80_syscall () at
/usr/src/sys/platform/pc32/i386/exception.s:876
#19 0xdece6d40 in ?? ()
#20 0x0000007b in ?? ()
#21 0x0000002f in ?? ()
#22 0x0001002f in ?? ()
#23 0xbfbf002f in ?? ()
#24 0x280b0080 in ?? ()
#25 0x00000000 in ?? ()
(kgdb)
_____________________________________________________
DragonFly issue tracker <bugs@lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue1597>
_____________________________________________________
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