RELENG-5 20050101 panic

[Koen Martens]

Hi All,

I am wondering if the trace below rings a bell to someone. I'm
trying to find out what is wrong with 5.4 on a certain box i have
(see panic in propagate priority thread earlier on). Since debugging
did not seem to help much, i'm now trying the hard way: cvsupping
kernels from RELENG-5 at points along the 5.3 --> 5.4 dates,
effectivelly doing a binary search to pinpoint where the problem was
introduced (5.3 runs fine on the problem boxes).

But now i am getting the trace below, since it is different from
what I had before, i am wondering if this is maybe some bug that got
fixed long ago. The kernel i have running now is from 2005-01-01.

For some more info on my original problem, i put some stuff online
at http://www.sonologic.nl/fbsd/.

Best,

Koen

(ps, upgrading to 6.x is not an option at this point, since i now it
to be running fine on 5.3 but not on 5.4, i want to find out first
whether this particular unstability was fixed in 6.x because once
i'm on 6.x, downgrading to 5.3 is less feasible if things turn out
to go even worse)

Limiting closed port RST response from 247 to 200 packets/sec
Limiting closed port RST response from 237 to 200 packets/sec
mode = 0100600, inum = 652933, fs = /var
panic: ffs_valloc: dup alloc
cpuid = 1
KDB: stack backtrace:
kdb_backtrace(100,c32567d0,c58e8e38,603,c3086000) at kdb_backtrace+0x29
panic(c069abcc,c069abab,8180,9f685,c30860d4) at panic+0x114
ffs_valloc(c3b80000,8180,c32d7680,e8fc0900,e8fc094c) at ffs_valloc+0x149
ufs_makeinode(8180,c3b80000,e8fc0bf8,e8fc0c0c) at ufs_makeinode+0x59
ufs_create(e8fc0a84,e8fc0b40,c0552c20,e8fc0a84,d6ea7648) at
ufs_create+0x26
ufs_vnoperate(e8fc0a84) at ufs_vnoperate+0x13
vn_open_cred(e8fc0be4,e8fc0ce4,180,c32d7680,18a) at vn_open_cred+0x174
vn_open(e8fc0be4,e8fc0ce4,180,18a,c3f1b000) at vn_open+0x1e
kern_open(c32567d0,97fca20,0,603,180) at kern_open+0xe3
open(c32567d0,e8fc0d14,3,c65,286) at open+0x18
syscall(2f,2f,bfbf002f,602,180) at syscall+0x283
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (5, FreeBSD ELF32, open), eip = 0x283876bb, esp =
0xbfbfd01c, ebp = 0xbfbfd048 ---
KDB: enter: panic
[thread 100185]
Stopped at      kdb_enter+0x2b: nop
db> continue




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K.F.J. Martens, Sonologic, http://www.sonologic.nl/
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