From owner-freebsd-current@FreeBSD.ORG Mon Jun 20 20:48:15 2005 Return-Path: X-Original-To: current@FreeBSD.org 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 5BCE916A41C for ; Mon, 20 Jun 2005 20:48:15 +0000 (GMT) (envelope-from jroberson@chesapeake.net) Received: from mail.chesapeake.net (chesapeake.net [208.142.252.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1622943D53 for ; Mon, 20 Jun 2005 20:48:13 +0000 (GMT) (envelope-from jroberson@chesapeake.net) Received: from mail.chesapeake.net (localhost [127.0.0.1]) by mail.chesapeake.net (8.12.10/8.12.10) with ESMTP id j5KKm3h1095285; Mon, 20 Jun 2005 16:48:09 -0400 (EDT) (envelope-from jroberson@chesapeake.net) Received: from localhost (jroberson@localhost) by mail.chesapeake.net (8.12.10/8.12.10/Submit) with ESMTP id j5KKm0OZ095251; Mon, 20 Jun 2005 16:48:00 -0400 (EDT) (envelope-from jroberson@chesapeake.net) X-Authentication-Warning: mail.chesapeake.net: jroberson owned process doing -bs Date: Mon, 20 Jun 2005 16:47:59 -0400 (EDT) From: Jeff Roberson To: Kris Kennaway In-Reply-To: <20050618005118.GA97030@xor.obsecurity.org> Message-ID: <20050620164744.M66638@mail.chesapeake.net> References: <20050618005118.GA97030@xor.obsecurity.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: current@FreeBSD.org Subject: Re: "panic: mutex Giant not owned" in do_execve() X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Jun 2005 20:48:15 -0000 On Fri, 17 Jun 2005, Kris Kennaway wrote: > quad e450 running up-to-date -current: > > panic: mutex Giant not owned at ../../../kern/kern_mutex.c:299 > cpuid = 0 > KDB: enter: panic > [thread pid 52851 tid 100456 ] > Stopped at kdb_enter+0x3c: ta %xcc, 1 > db> wh > Tracing pid 52851 tid 100456 td 0xfffff80077c61560 > panic() at panic+0x16c > _mtx_assert() at _mtx_assert+0x6c > _mtx_unlock_flags() at _mtx_unlock_flags+0x68 > do_execve() at do_execve+0xa0c Can you tell me what code is at do_execve+0xa0c? > kern_execve() at kern_execve+0x7c > execve() at execve+0x38 > syscall() at syscall+0x2d4 > -- reserved %o7=0 -- > userland() at 0x40223400 > user trace: trap %o7=0 > pc 0x40223400, sp 0x7fdffffd021 > done > > #12 0x00000000c01525cc in do_execve (td=0xfffff80077c61560, args=0xc, mac_p=0x0) at ../../../kern/kern_exec.c:789 > #13 0x00000000c0151b3c in kern_execve (td=0xfffff80077c61560, args=0xeea6f670, mac_p=0x0) at ../../../kern/kern_exec.c:250 > #14 0x00000000c0151a78 in execve (td=0xfffff80077c61560, uap=0xeea6f8c0) at ../../../kern/kern_exec.c:185 > #15 0x00000000c02f3cd4 in syscall (tf=0xeea6f880) at ../../../sparc64/sparc64/trap.c:592 > (kgdb) frame 12 > #12 0x00000000c01525cc in do_execve (td=0xfffff80077c61560, args=0xc, mac_p=0x0) at ../../../kern/kern_exec.c:789 > 789 VFS_UNLOCK_GIANT(vfslocked); > (kgdb) list > 784 #ifdef MAC > 785 mac_execve_exit(imgp); > 786 if (interplabel != NULL) > 787 mac_vnode_label_free(interplabel); > 788 #endif > 789 VFS_UNLOCK_GIANT(vfslocked); > 790 return (error); > 791 } > 792 > 793 int > (kgdb) frame 13 > #13 0x00000000c0151b3c in kern_execve (td=0xfffff80077c61560, args=0xeea6f670, mac_p=0x0) at ../../../kern/kern_exec.c:250 > 250 error = do_execve(td, args, mac_p); > (kgdb) list > 245 return (ERESTART); /* Try again later. */ > 246 } > 247 PROC_UNLOCK(p); > 248 } > 249 > 250 error = do_execve(td, args, mac_p); > 251 > 252 if (p->p_flag & P_HADTHREADS) { > 253 PROC_LOCK(p); > 254 /* > (kgdb) frame 14 > #14 0x00000000c0151a78 in execve (td=0xfffff80077c61560, uap=0xeea6f8c0) at ../../../kern/kern_exec.c:185 > 185 error = kern_execve(td, &args, NULL); > > Kris >