[issue1444] DFBSD 2.3.2 - Panic while installworld on a vn device

[Antonio Huete Jimenez (via DragonFly issue tracker)]

New submission from Antonio Huete Jimenez <tuxillo at quantumachine.net>:

Hi,

Details:
P4 1.5GB
2.3.2 (28 July)
HAMMER root (/)

----
While doing a 'make reinstall32' in test/vkernel, I got a panic.
Currently I'm trying to reproduce it.
The memfile is 1.5GB so I doubt I could be able to upload it.

Unread portion of the kernel message buffer:
/dev/vn0s1a: bad dir ino 159 at offset 0: mangled entry
panic: ufs_dirbad: bad dir
Trace beginning at frame 0xe0fe9ac8
panic(e0fe9aec,d70f1118,e0755200,0,e0fe9af0) at panic+0x8c
panic(c058872a,c4640000,e0fe9b78,c0467ecf,e0755200) at panic+0x8c
ufs_dirbad(e0755200,0,c0588781,2,e0fe9b20) at ufs_dirbad+0x3a
ufs_lookup(e0fe9b90,e0fe9bb4,c03616f4,e0fe9b90,c0627de8) at ufs_lookup+0x2eb
ufs_vnoperate(e0fe9b90,c0627de8,c38781b0,2,e0724828) at ufs_vnoperate+0x11
vop_old_lookup(c38781b0,e0724828,e0fe9bdc,e0fe9be0,e0fe9be0) at vop_old_lookup+0x2c
vop_compat_nremove(e0fe9c30,e0fe9c24,c0469bc5,e0fe9c30,e0fe9c5c) at
vop_compat_nremove+0x97
vop_defaultop(e0fe9c30,e0fe9c5c,c0362295,e0fe9c30,c0627f80) at vop_defaultop+0x11
ufs_vnoperate(e0fe9c30,c0627f80,c38781b0,d70f3998,0) at ufs_vnoperate+0x11
vop_nremove(c38781b0,e0fe9c84,e0724828,c3727bc8) at vop_nremove+0x31
kern_unlink(e0fe9c84,e06bbca8,d70f1118,c36e6d58,d70e6618) at kern_unlink+0x44
sys_unlink(e0fe9cf0,6,0,0,d70f3998) at sys_unlink+0x2a
syscall2(e0fe9d40) at syscall2+0x1ef
Xint0x80_syscall() at Xint0x80_syscall+0x36
Uptime: 31m37s

Backtrace
------------------------------------------------
(kgdb) bt
#0  dumpsys () at ./machine/thread.h:83
#1  0xc030cc32 in boot (howto=260) at
/home/source/dfbsd/sys/kern/kern_shutdown.c:375
#2  0xc030cd53 in panic (fmt=0xc058872a "ufs_dirbad: bad dir")
    at /home/source/dfbsd/sys/kern/kern_shutdown.c:801
#3  0xc04675bf in ufs_dirbad (ip=0xe0755200, offset=0, how=0xc0588781 "mangled
entry")
    at /home/source/dfbsd/sys/vfs/ufs/ufs_lookup.c:610
#4  0xc0467ecf in ufs_lookup (ap=0xe0fe9b90) at
/home/source/dfbsd/sys/vfs/ufs/ufs_lookup.c:275
#5  0xc0469bc5 in ufs_vnoperate (ap=0xe0fe9b90) at
/home/source/dfbsd/sys/vfs/ufs/ufs_vnops.c:2445
#6  0xc03616f4 in vop_old_lookup (ops=0xc38781b0, dvp=0xe0724828,
vpp=0xe0fe9bdc, cnp=0xe0fe9be0)
    at /home/source/dfbsd/sys/kern/vfs_vopops.c:171
#7  0xc0350575 in vop_compat_nremove (ap=0xe0fe9c30)
    at /home/source/dfbsd/sys/kern/vfs_default.c:838
#8  0xc034fac5 in vop_defaultop (ap=0xe0fe9c30) at
/home/source/dfbsd/sys/kern/vfs_default.c:153
#9  0xc0469bc5 in ufs_vnoperate (ap=0xe0fe9c30) at
/home/source/dfbsd/sys/vfs/ufs/ufs_vnops.c:2445
#10 0xc0362295 in vop_nremove (ops=0xc38781b0, nch=0xe0fe9c84, dvp=0xe0724828,
cred=0xc3727bc8)
    at /home/source/dfbsd/sys/kern/vfs_vopops.c:1182
#11 0xc035c2a3 in kern_unlink (nd=0xe0fe9c84) at
/home/source/dfbsd/sys/kern/vfs_syscalls.c:2240
#12 0xc035c2d5 in sys_unlink (uap=0xe0fe9cf0) at
/home/source/dfbsd/sys/kern/vfs_syscalls.c:2257
#13 0xc0511883 in syscall2 (frame=0xe0fe9d40)
    at /home/source/dfbsd/sys/platform/pc32/i386/trap.c:1339
#14 0xc0501df6 in Xint0x80_syscall () at
/home/source/dfbsd/sys/platform/pc32/i386/exception.s:876
#15 0x0804aabf in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

----------
messages: 6995
nosy: ahuete.devel, tuxillo
status: unread
title: DFBSD 2.3.2 - Panic while installworld on a vn device

_____________________________________________________
DragonFly issue tracker <bugs at lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue1444>
_____________________________________________________