kern/122038: tmpfs: panic: tmpfs_alloc_vp: type 0xc7d2fab0 0

[Xin LI]

>Number:         122038
>Category:       kern
>Synopsis:       tmpfs: panic: tmpfs_alloc_vp: type 0xc7d2fab0 0
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Mar 24 08:10:02 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Xin LI
>Release:        FreeBSD 7.0-RELEASE i386
>Organization:
The FreeBSD Project
>Environment:
System: FreeBSD tarsier.delphij.net 7.0-RELEASE FreeBSD 7.0-RELEASE #28: Mon Feb 25 12:28:45 CST 2008 delphij at tarsier.delphij.net:/usr/obj/usr/src/sys/TARSIER i386


>Description:

Note the problem here so we will be able to reference it when it is resolved.

Kris has reported the following backtrace, which seems to be come from FreeBSD/i386.

Running stress2 in a tmpfs on 8.0.  Unfortunately I can't dump this machine but will leave it in DDB.

panic: tmpfs_alloc_vp: type 0xc7d2fab0 0
cpuid = 0
KDB: enter: panic
[thread pid 73297 tid 100794 ]
Stopped at      kdb_enter+0x3a: movl    $0,kdb_why
db> wh
Tracing pid 73297 tid 100794 td 0xcd5f9000
kdb_enter(c0a644ff,c0a644ff,c0a5a314,e912e8a0,0,...) at kdb_enter+0x3a
panic(c0a5a314,c7d2fab0,0,16b,118,...) at panic+0x12c
tmpfs_alloc_vp(c6caa520,c7d2fab0,40000,e912eb94,cd5f9000,...) at tmpfs_alloc_vp+0x215
tmpfs_lookup(e912e950,c8303000,e912eba8,c8303000,e912e970,...) at tmpfs_lookup+0x2ae
VOP_CACHEDLOOKUP_APV(c0b125a0,e912e950,e912eba8,e912eb94,c6e8b400,...) at VOP_CACHEDLOOKUP_APV+0xa5
vfs_cache_lookup(e912e9d4,e912e9d4,5200044,c8303000,40000,...) at vfs_cache_lookup+0xd0
VOP_LOOKUP_APV(c0b125a0,e912e9d4,c0a6e8c1,19c,e912eb94,...) at VOP_LOOKUP_APV+0xa5
lookup(e912eb80,c0a6e8c1,c6,bf,c9124d2c,...) at lookup+0x56e
namei(e912eb80,c0c710e0,c0a62d95,e912eaa0,c07623ae,...) at namei+0x34b
vn_open_cred(e912eb80,e912ec78,0,c6e8b400,d8795e38,...) at vn_open_cred+0x2c9
vn_open(e912eb80,e912ec78,0,d8795e38,341f8,...) at vn_open+0x33
kern_open(cd5f9000,2815ff4b,0,1,0,...) at kern_open+0xf2
open(cd5f9000,e912ecfc,c,c161e510,c0b154d8,...) at open+0x30
syscall(e912ed38) at syscall+0x2a3
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (5, FreeBSD ELF32, open), eip = 0x2814843f, esp = 0xbfbfe80c, ebp = 0xbfbfe898 ---


>How-To-Repeat:
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: