From owner-freebsd-current Thu Oct 24 12:47:54 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BBA5237B412 for ; Thu, 24 Oct 2002 12:47:50 -0700 (PDT) Received: from boreas.isi.edu (boreas.isi.edu [128.9.160.161]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4005643E4A for ; Thu, 24 Oct 2002 12:47:50 -0700 (PDT) (envelope-from larse@ISI.EDU) Received: from isi.edu (nik.isi.edu [128.9.168.58]) by boreas.isi.edu (8.11.6/8.11.2) with ESMTP id g9OJlnC02317 for ; Thu, 24 Oct 2002 12:47:49 -0700 (PDT) Message-ID: <3DB84E64.7040302@isi.edu> Date: Thu, 24 Oct 2002 12:47:48 -0700 From: Lars Eggert User-Agent: Mozilla/5.0 (X11; U; Linux i386; en-US; rv:1.2b) Gecko/20021016 X-Accept-Language: en-us, de-de MIME-Version: 1.0 To: current Subject: sleeping with "mountlist" locked Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms010906000701090909030506" Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG This is a cryptographically signed message in MIME format. --------------ms010906000701090909030506 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Hi, just got this when trying to umount a media from an USB CF reader: /usr/src/sys/kern/kern_synch.c:146: sleeping with "mountlist" locked from /usr/src/sys/kern/vfs_mount.c:1321. I have a core dump, but it's of the second panic. Debugger("witness_sleep") Stopped at Debugger+0x5a: xchgl %ebx,in_Debugger.0^M db> trace Debugger(c0441373,c043e1e9,92,c04413b4,c0445a4a) at Debugger+0x5a witness_sleep(0,c04e532c,c043e1e9,92,8) at witness_sleep+0xe0 msleep(c8770564,c04e532c,50,c0459436,0) at msleep+0x5a acquire(c8770564,1000040,600,e6,464c) at acquire+0x78 lockmgr(c8770564,1030002,c87704a0,c75d3b60,eb8d4bf4) at lockmgr+0x22d vop_stdlock(eb8d4c10,eb8d4c30,c02d6c05,eb8d4c10,0) at vop_stdlock+0x2c ufs_vnoperate(eb8d4c10,0,c04461c0,360,c026d9c3) at ufs_vnoperate+0x18 vn_lock(c87704a0,20002,c75d3b60,529,40) at vn_lock+0xa5 dounmount(c6d22400,0,c75d3b60,bfbffc6b,0) at dounmount+0x30f unmount(c75d3b60,eb8d4d10,c0464b1d,42d,c75d4228) at unmount+0xc7 syscall(2f,2f,2f,809a02e,80b3b3d) at syscall+0x406 Xint0x80_syscall() at Xint0x80_syscall+0x1d --- syscall (22, FreeBSD ELF32, unmount), eip = 0x804ae8b, esp = 0xbfbff5bc, ebp = 0xbfbff638 --- db> c panic: sleeping thread owns a mutex cpuid = 0; lapic.id = 00000000 Debugger("panic") Stopped at Debugger+0x5a: xchgl %ebx,in_Debugger.0 db> trace Debugger(c043db3a,0,c043cd21,df2d7c08,1) at Debugger+0x5a panic(c043cd21,1,c043cc46,6b,246) at panic+0x12f propagate_priority(c23ad0d0,2,c043cc46,236,c043cc46) at propagate_priority+0x285 _mtx_lock_sleep(c04a1ba0,0,c0445ac2,d6e,c0445ac2) at _mtx_lock_sleep+0x129 _mtx_lock_flags(c04a1ba0,0,c0445ac2,d6e,c674da00) at _mtx_lock_flags+0x87 sync_fsync(df2d7cd0,20002,c23ad0d0,6a1,0) at sync_fsync+0xab sched_sync(0,df2d7d48,c043b2ce,354,0) at sched_sync+0x16f fork_exit(c02ca8a0,0,df2d7d48) at fork_exit+0x8d fork_trampoline() at fork_trampoline+0x1a Lars -- Lars Eggert USC Information Sciences Institute --------------ms010906000701090909030506 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJtjCC 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