Date: Sun, 27 Feb 2005 10:00:09 +0100 From: Peter Holm <peter@holm.cc> To: Kris Kennaway <kris@obsecurity.org> Cc: current@freebsd.org Subject: Re: panic: bremfree: buffer 0xdc6ff768 not on a queue. Message-ID: <20050227090009.GA83634@peter.osted.lan> In-Reply-To: <20050227013555.GA43539@xor.obsecurity.org> References: <20050227013555.GA43539@xor.obsecurity.org>
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On Sat, Feb 26, 2005 at 05:35:55PM -0800, Kris Kennaway wrote: > A dual CPU machine running 6.0 from a couple of weeks ago panicked > overnight with: > > panic: bremfree: buffer 0xdc6ff768 not on a queue. > cpuid = 1 > KDB: enter: panic > [thread pid 26507 tid 100945 ] > Stopped at kdb_enter+0x30: leave > db> wh > Tracing pid 26507 tid 100945 td 0xc6eda730 > kdb_enter(c06f5a0f,1,c06fce5f,ef4a5a68,c6eda730) at kdb_enter+0x30 > panic(c06fce5f,dc6ff768,2090022,ef4a5aa8,c0569188) at panic+0x14e > bremfree(dc6ff768,2090022,c4544450,c6eda730,0) at bremfree+0x5d > getblk(c4544450,b,0,4000,0) at getblk+0x1a8 > cluster_read(c4544450,32ea8,0,b,0) at cluster_read+0x108 > ffs_read(ef4a5c0c,c0730880,c4544450,c663d048,ef4a5c58) at ffs_read+0x2e0 > VOP_READ_APV(c07391e0,ef4a5c0c,c6eda730,36f,0) at VOP_READ_APV+0xbc > vn_read(c663d048,ef4a5c80,c9e26d00,0,c6eda730) at vn_read+0x1e7 > dofileread(c6eda730,c663d048,3,8064000,8000) at dofileread+0xcc > read(c6eda730,ef4a5d14,c,16,3) at read+0x6b > syscall(805002f,2f,bfbf002f,8000,1000) at syscall+0x2a0 > Xint0x80_syscall() at Xint0x80_syscall+0x1f > --- syscall (3, FreeBSD ELF32, read), eip = 0x280f8b3f, esp = 0xbfbfb7cc, ebp = 0xbfbfb858 --- > db> > > Is this problem already fixed? > It is my experience that this panic is often a secondary panic, like for example this one: http://www.holm.cc/stress/log/jeff48.html - Peter > Kris > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.0 (FreeBSD) > > iD8DBQFCISP7Wry0BWjoQKURAgeoAKCajTuZQF+3+MOpL8aEQTW08c6pKwCgsPqb > pMyTX7LfLdpiuWHpeDE0QK4= > =u2W+ > -----END PGP SIGNATURE-----
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