From owner-freebsd-stable@FreeBSD.ORG Sun Jan 22 11:43:52 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9402716A41F for ; Sun, 22 Jan 2006 11:43:52 +0000 (GMT) (envelope-from ubm@u-boot-man.de) Received: from mail.upper.net (mail.upper.net [62.75.224.33]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0715C43D4C for ; Sun, 22 Jan 2006 11:43:51 +0000 (GMT) (envelope-from ubm@u-boot-man.de) Received: from greatsheep.marines (p549832C2.dip0.t-ipconnect.de [84.152.50.194]) (authenticated bits=0) by mail.upper.net (8.12.10/8.12.10/SuSE Linux 0.7) with ESMTP id k0MBhrK4017997 for ; Sun, 22 Jan 2006 12:43:55 +0100 Date: Sun, 22 Jan 2006 12:44:53 +0100 From: Marc "UBM" Bocklet To: freebsd-stable@freebsd.org Message-Id: <20060122124453.0f88db09.ubm@u-boot-man.de> X-Mailer: Sylpheed version 1.0.6 (GTK+ 1.2.10; i386-portbld-freebsd6.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: uma panic while unloading sbp.ko X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Jan 2006 11:43:52 -0000 Hiho! :-) I encountered a non-repeatable panic with FreeBSD greatsheep 6.0-STABLE FreeBSD 6.0-STABLE #4: Sun Jan 15 16:13:56 CET 200 6 sheep@greatsheep:/usr/obj/usr/src/sys/SUBMARINE_SMP i386 System was built at the end of november 2005. The panic: sbp0: detached Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x15 fault code = supervisor read, page not present instruction pointer = 0x20:0xc0759760 stack pointer = 0x28:0xdacd7bc8 frame pointer = 0x28:0xdacd7be8 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 3168 (kldunload) Backtrace: Tracing pid 3168 tid 100195 td 0xc41cf960 uma_zfree_internal(c1061960,c32ef400,0,1,3,0,c106c8c0,dacd7c60) at uma_zfree_internal+0x120 uma_zfree_arg(c1061960,c32ef400,0,c0807c76,0) at uma_zfree_arg+0x3ea malloc_uninit(c0993100,c0807c76,dacd7c5c,dacd7c60,0) at malloc_uninit+0x109 linker_file_sysuninit(c32e4600,c0846120,0,c3d01100,0) at linker_file_sysuninit+0xa0 linker_file_unload(c32e4600,0,dacd7cd0,c05fa4f8,c41cf960) at linker_file_unload+0x144 kern_kldunload(c41cf960,7,0,dacd7d30,c07c2310) at kern_kldunload+0xd2 kldunloadf(c41cf960,dacd7d04,8,c41cf960,4) at kldunloadf+0x2c syscall(3b,3b,3b,7,bfbfee72) at syscall+0x380 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (444, FreeBSD ELF32, kldunloadf), eip = 0x280ba877, esp = 0xbfbfe90c, ebp = 0xbfbfed78 --- What I did: Connect a non-working external firewire hdd-case to my firewire pci card. Disconnected it. Unloaded sbp.ko (no device was registered, as the stupid case is obviously broken) and my system panicked. Further debug information is attached (show uma, show threads). Thanks in advance for your help :-) Bye Marc -- "And what rough beast, its hour come round at last, Slouches towards Bethlehem to be born?" W.B. Yeats, The Second Coming