Date: Wed, 17 Jun 2009 13:27:29 GMT From: Alex Urbanowicz <alex.urbanowicz@artegence.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/135667: FreeBSD 8.0-CURRENT #0 r: Tue Jun 16 13:53:39 UTC 2009 alex@dev32:/usr/obj/usr/home/alex/bsd/sys/XEN Message-ID: <200906171327.n5HDRTVY032881@www.freebsd.org> Resent-Message-ID: <200906171330.n5HDU5fN091159@freefall.freebsd.org>
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>Number: 135667 >Category: misc >Synopsis: FreeBSD 8.0-CURRENT #0 r: Tue Jun 16 13:53:39 UTC 2009 alex@dev32:/usr/obj/usr/home/alex/bsd/sys/XEN >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Jun 17 13:30:05 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Alex Urbanowicz >Release: 8.0-CURRENT >Organization: Artegence >Environment: FreeBSD 8.0-CURRENT #0 r: Tue Jun 16 13:53:39 UTC 2009 alex@dev32:/usr/obj/usr/home/alex/bsd/sys/XEN i386 >Description: Disk operations lead to syscall errors and filesystem corruption. Below are syscall errors generated by system boot. lock order reversal: 1st 0xc3a8b8b8 ufs (ufs) @ /usr/home/alex/bsd/sys/kern/vfs_mount.c:1054 2nd 0xc3a8d6a0 devfs (devfs) @ /usr/home/alex/bsd/sys/kern/vfs_subr.c:2084 KDB: stack backtrace: X_db_sym_numargs(c0356957,c35b8824,c0116b95,c01072bb,c035979e,...) at X_db_sym_numargs+0x146 kdb_backtrace(c01072bb,c035979e,c36ccbd0,c36ccb00,c35b8880,...) at kdb_backtrace+0x29 witness_display_spinlock(c035979e,c3a8d6a0,c03489cb,c36ccb00,c0360aae,...) at witness_display_spinlock+0x75 witness_checkorder(c3a8d6a0,9,c0360aae,824,0,...) at witness_checkorder+0x839 __lockmgr_args(c3a8d6a0,80100,c3a8d6bc,0,0,...) at __lockmgr_args+0x797 vop_stdlock(c35b8988,c011693b,c0348c10,80100,c3a8d648,...) at vop_stdlock+0x62 VOP_LOCK1_APV(c038f2e0,c35b8988,c39c2524,c03c21a0,c3a8d648,...) at VOP_LOCK1_APV+0xb5 _vn_lock(c3a8d648,80100,c0360aae,824,8,...) at _vn_lock+0x5e vget(c3a8d648,80100,c39c2480,15d,c0348b28,...) at vget+0xb9 devfs_allocv(c3952000,c394ca10,c35b8a20,9d,c0534698,...) at devfs_allocv+0x102 devfs_rules_apply(c394ca10,80000,c35b8c3c,42c,0,...) at devfs_rules_apply+0x14a vfs_donmount(c39c2480,0,c3952100,c3952100,bf7fde39,...) at vfs_donmount+0x14bb nmount(c39c2480,c35b8d08,c,c,c0394bb8,...) at nmount+0x72 syscall(c35b8d48) at syscall+0x2a3 Xint0x80_syscall() at Xint0x80_syscall+0x22 --- syscall (378, FreeBSD ELF32, nmount), eip = 0x280e7c3b, esp = 0xbf7fde0c, ebp = 0xbf7fe368 --- lock order reversal: 1st 0xd772de30 bufwait (bufwait) @ /usr/home/alex/bsd/sys/kern/vfs_bio.c:2558 2nd 0xc3991e00 dirhash (dirhash) @ /usr/home/alex/bsd/sys/ufs/ufs/ufs_dirhash.c:285 KDB: stack backtrace: X_db_sym_numargs(c0356957,e4d2fa8c,c0116b95,c01072bb,c035979e,...) at X_db_sym_numargs+0x146 kdb_backtrace(c01072bb,c035979e,c36ca4d0,c36ccc38,e4d2fae8,...) at kdb_backtrace+0x29 witness_display_spinlock(c035979e,c3991e00,c0373b42,c36ccc38,c03737d1,...) at witness_display_spinlock+0x75 witness_checkorder(c3991e00,9,c03737d1,11d,0,...) at witness_checkorder+0x839 _sx_xlock(c3991e00,0,c03737d1,11d,d86a3018,...) at _sx_xlock+0x85 ufsdirhash_enduseful(0,d,c38c4800,d772ddd0,d86a3018,...) at ufsdirhash_enduseful+0x2f5 ufsdirhash_remove(c3b2a0e8,d86a3018,18,e4d2fb78,e4d2fb74,...) at ufsdirhash_remove+0x14 ufs_dirremove(c3b25b84,c3b291d0,500800c,1,9f,...) at ufs_dirremove+0xe5 ufs_itimes(e4d2fc44,e4d2fc54,c3b20860,c3b20860,0,...) at ufs_itimes+0x826 VOP_RMDIR_APV(c03b0200,e4d2fc44,2,0,28216238,...) at VOP_RMDIR_APV+0xa5 kern_rmdirat(c3b16000,ffffff9c,28216238,0,e4d2fc90,...) at kern_rmdirat+0x16b kern_rmdir(c3b16000,28216238,0,e4d2fd3c,c0329e23,...) at kern_rmdir+0x27 rmdir(c3b16000,e4d2fd08,4,c036e7d5,c039315c,...) at rmdir+0x22 syscall(e4d2fd48) at syscall+0x2a3 Xint0x80_syscall() at Xint0x80_syscall+0x22 --- syscall (137, FreeBSD ELF32, rmdir), eip = 0x280d8bfb, esp = 0xbf7febfc, ebp = 0xbf7fec28 --- >How-To-Repeat: Create a FreeBSD Xen guest on 64-bit CentOS 5.3 host. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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