Date: Sun, 24 Jul 2005 15:52:38 -0400 From: Kris Kennaway <kris@obsecurity.org> To: alc@FreeBSD.org, current@FreeBSD.org Subject: panic: _sx_xlock (user map): xlock already held @ ../../../vm/vm_map.c:2997 Message-ID: <20050724195237.GA92818@xor.obsecurity.org>
next in thread | raw e-mail | index | archive | help
--LZvS9be/3tNcYl/X Content-Type: text/plain; charset=us-ascii Content-Disposition: inline I got this while (net)booting an up-to-date 6.0 kernel: Trying to mount root from nfs: NFS ROOT: 216.136.204.22:/a/nfs/6.dir1 fxp0: link state changed to UP panic: _sx_xlock (user map): xlock already held @ ../../../vm/vm_map.c:2997 db> wh Tracing pid 1 tid 100006 td 0xc14e6600 kdb_enter(c06bc443,c077d7a0,c06bcaa0,cbf2268c,100) at kdb_enter+0x30 panic(c06bcaa0,c06a38cb,c06d0ea5,c06d0f25,bb5) at panic+0xd5 _sx_xlock(c14f2044,c06d0f25,bb5,c05726d3,cbf226e0) at _sx_xlock+0x62 _vm_map_lock_read(c14f2000,c06d0f25,bb5,1000101,9cc21000) at _vm_map_lock_read+0x4a vm_map_lookup(cbf22778,9cc21000,1,cbf2277c,cbf2276c) at vm_map_lookup+0x38 vm_fault(c14f2000,9cc21000,1,0,c14e6600) at vm_fault+0x7e trap_pfault(cbf22860,0,9cc21603,c13d1bb8,9cc21603) at trap_pfault+0xed trap(c04d0008,c1040028,28,0,73) at trap+0x35e calltrap() at calltrap+0x5 --- trap 0xc, eip = 0xc0633eaa, esp = 0xcbf228a0, ebp = 0xcbf228d4 --- vm_map_pmap_enter(c14f2000,80bc000,3,c1046bdc,73) at vm_map_pmap_enter+0x14a vm_map_insert(c14f2000,c1046bdc,73000,0,80bc000) at vm_map_insert+0x2f4 elf32_map_insert(c14f2000,c1046bdc,73000,0,80bc000) at elf32_map_insert+0x2d9 elf32_load_section(c14e5c48,c14f2000,c1693990,c1046bdc,736a0) at elf32_load_section+0x117 exec_elf32_imgact(cbf22b9c,0,c06b9a9d,142,12b) at exec_elf32_imgact+0x286 do_execve(c14e6600,cbf22c78,0,3,0) at do_execve+0x24c kern_execve(c14e6600,cbf22c78,0,bfbfffe4,0) at kern_execve+0xb9 execve(c14e6600,cbf22ce4,0,0,cbf22ce0) at execve+0x4f start_init(0,cbf22d38,c06b9bd0,30d,366eb4ad) at start_init+0x2de fork_exit(c04b65e0,0,cbf22d38) at fork_exit+0xc1 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xcbf22d6c, ebp = 0 --- db> Unfortunately since it panicked early in boot dumpdev is not set. I will leave the box in DDB in case there is anything else I can get from it for someone. Kris --LZvS9be/3tNcYl/X Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFC4/GEWry0BWjoQKURAlFNAKDj9JIGStPe2H+FQ2ekgcJ0z7tZrwCeOGt2 rBwp+ozXZYCewnTSqm8b5NM= =R+cD -----END PGP SIGNATURE----- --LZvS9be/3tNcYl/X--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050724195237.GA92818>