Date: Sat, 4 Oct 2003 23:31:33 -0700 From: Kris Kennaway <kris@obsecurity.org> To: alc@FreeBSD.org, current@FreeBSD.org Subject: recursed on non-recursive lock (sleep mutex) vm page queue mutex Message-ID: <20031005063133.GA92972@rot13.obsecurity.org>
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--a8Wt8u1KmwUX3Y2C Content-Type: text/plain; charset=us-ascii Content-Disposition: inline I don't think I've seen this one before (i386, kernel built Sep 17). Is it already fixed? Kris recursed on non-recursive lock (sleep mutex) vm page queue mutex @ /a/asami/portbuild/i386/src-client/sys/kern/vfs_bio.c:3630 first acquired @ /a/asami/portbuild/i386/src-client/sys/vm/vm_pageout.c:403 panic: recurse Debugger("panic") Stopped at Debugger+0x54: xchgl %ebx,in_Debugger.0 db> trace Debugger(c043582e,c04a70e0,c0438952,d7077940,100) at Debugger+0x54 panic(c0438952,c044c2d9,193,c043b873,e2e) at panic+0xd5 witness_lock(c04d5900,8,c043b873,e2e,1) at witness_lock+0x3b3 _mtx_lock_flags(c04d5900,0,c043b873,e2e,0) at _mtx_lock_flags+0xba vm_hold_free_pages(ce50cbc0,d0807000,d0808000,a75,c4ccfb68) at vm_hold_free_pages+0x142 allocbuf(ce50cbc0,0,c043b873,74c,c449f5b4) at allocbuf+0x1b8 getnewbuf(0,0,8000,8000,200) at getnewbuf+0x3fc getblk(c449f5b4,2878c80,0,8000,0) at getblk+0x38e breadn(c449f5b4,2878c80,0,8000,0) at breadn+0x52 bread(c449f5b4,2878c80,0,8000,0) at bread+0x4c ffs_update(c4631db0,0,1,54,c0af9b88) at ffs_update+0x206 ufs_inactive(d7077c30,d7077c4c,c02c1333,d7077c30,0) at ufs_inactive+0x1f5 ufs_vnoperate(d7077c30,0,c043d141,8e3,c048efa0) at ufs_vnoperate+0x18 vput(c4631db0,0,c044c2d9,3b2,c4631db0) at vput+0x143 vm_pageout_scan(0,0,c044c2d9,5d5,1f4) at vm_pageout_scan+0x67d vm_pageout(0,d7077d48,c043313d,314,1a537318) at vm_pageout+0x2db fork_exit(c03a5fe0,0,d7077d48) at fork_exit+0xcf fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xd7077d7c, ebp = 0 --- db> --a8Wt8u1KmwUX3Y2C Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQE/f7rFWry0BWjoQKURAv2KAJ9mUIjfc7VooBT5lOt2KOlzCH3SFgCgkNn3 HVHTsbuC8RQX/iZ2wX9+6/g= =dd9Z -----END PGP SIGNATURE----- --a8Wt8u1KmwUX3Y2C--
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