Re: tree may not be buildable for an hour.

From: Kris Kennaway <kris_at_obsecurity.org>
Date: Mon, 24 Jan 2005 20:42:10 -0800
On Mon, Jan 24, 2005 at 05:56:48AM -0500, Jeff Roberson wrote:
> That's all of it.  If you wait for your cvsup mirror to catch up, you can
> try running with a smpsafe vfs by setting the debug.mpsafevfs tunable.
> This option requires mpsafevm as well.  I have two known bugs that have
> only been triggered by peter holm's excellent stress suite, but none are
> known to cause problems if mpsafevfs is disabled, and none of them have
> been seen on normal systems to my knowledge.

Still seeing this one:

panic: lockmgr: locking against myself
cpuid = 3
KDB: enter: panic
[thread pid 79530 tid 100360 ]
Stopped at      kdb_enter+0x30: leave
db> tr
Tracing pid 79530 tid 100360 td 0xd1342000
kdb_enter(c06f3e4a,3,c06f228b,ee4fe580,d1342000) at kdb_enter+0x30
panic(c06f228b,0,c06f21a1,ee,d1342000) at panic+0x13e
lockmgr(dc753e98,90022,c6565450,d1342000,12b) at lockmgr+0x3cd
getdirtybuf(dc753e38,c6565450,1,1298,2) at getdirtybuf+0xf0
softdep_sync_metadata(ee4fe6e4,0,c0706326,10d,1) at softdep_sync_metadata+0x11e
ffs_fsync(ee4fe6e4,d0a8d834,10880,ee4fe840,c062d9b7) at ffs_fsync+0x397
VOP_FSYNC_AP(ee4fe6e4,5ff,0,600,d1875a00) at VOP_FSYNC_AP+0x76
ffs_truncate(c6565450,600,0,880,d1875a00) at ffs_truncate+0xa67
ufs_direnter(c6565450,c749133c,ee4fe8ec,ee4febfc,0) at ufs_direnter+0x91b
ufs_makeinode(81a4,c6565450,ee4febe8,ee4febfc,ee4fed14) at ufs_makeinode+0x4c7
ufs_create(ee4fea64,ee4febd4,602,ee4feb20,c058c071) at ufs_create+0x37
VOP_CREATE_AP(ee4fea64,ee4fea60,2,c06f5474,0) at VOP_CREATE_AP+0x76
vn_open_cred(ee4febd4,ee4fecd4,1a4,d1875a00,4) at vn_open_cred+0x1cc
vn_open(ee4febd4,ee4fecd4,1a4,4,c07535d4) at vn_open+0x33
kern_open(d1342000,8066794,0,602,1b6) at kern_open+0xca
open(d1342000,ee4fed14,c,8070000,3) at open+0x36
syscall(2f,2f,2f,8066794,1) at syscall+0x271
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (5, FreeBSD ELF32, open), eip = 0x2811ec77, esp = 0xbfbfe23c, ebp = 0xbfbfe2d8 ---
db>

Also, another machine panicked with mpsafevfs=0, but as is commonplace
on SMP machines it hung trying to print the panic string, so I can't
tell whether it's related to your commits or not.

Kris

Received on Tue Jan 25 2005 - 03:42:14 UTC

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