From owner-freebsd-current@FreeBSD.ORG Wed Jul 22 20:12:04 2009 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E156C106564A for ; Wed, 22 Jul 2009 20:12:04 +0000 (UTC) (envelope-from gaijin.k@gmail.com) Received: from mail-gx0-f217.google.com (mail-gx0-f217.google.com [209.85.217.217]) by mx1.freebsd.org (Postfix) with ESMTP id 9DD498FC16 for ; Wed, 22 Jul 2009 20:12:04 +0000 (UTC) (envelope-from gaijin.k@gmail.com) Received: by gxk17 with SMTP id 17so695833gxk.19 for ; Wed, 22 Jul 2009 13:12:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:subject:from:to:content-type :date:message-id:mime-version:x-mailer:content-transfer-encoding; bh=hp/foJsv9gSnoGbdHGHdh+RrUT5lCw6eZmfRMdQZgyw=; b=B7tTjD6y224YfmPIRHQ7NBipgEEbbUrJpsr57gLtuC0Ss0LprDoC/DgghCewc/O7N/ 0FAmQgxePnDWWitNOLaTPOnULtVhOnxbp6jimaDiEY3ijJ+tUTnHWiGV2nXkDZvja2O3 tygUrnBqtUHSwU60o6QzNt4kCDLPQPadqBlWQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:content-type:date:message-id:mime-version:x-mailer :content-transfer-encoding; b=QxAMM9kNblVU97STfOh/nrd9XWp6Bt0ffl+PYWJMJFhjnfBJDDuL9xpGHjfTwFoh2f LGNvHWMkEIM2/XPA8vfxMFXB7QASpg4yZs+2jfJ6N1dHYy6Svi4PDBNLzYYfBHO5f5c5 hwIyFVR0c50Tt6yXwFJA/3iiekKHXnVgBJvBk= Received: by 10.90.34.10 with SMTP id h10mr1091191agh.31.1248291734405; Wed, 22 Jul 2009 12:42:14 -0700 (PDT) Received: from ?10.0.3.231? (pool-70-111-14-92.nwrk.east.verizon.net [70.111.14.92]) by mx.google.com with ESMTPS id 26sm2928748aga.64.2009.07.22.12.42.13 (version=SSLv3 cipher=RC4-MD5); Wed, 22 Jul 2009 12:42:14 -0700 (PDT) From: "Alexandre \"Sunny\" Kovalenko" To: current@freebsd.org Content-Type: text/plain; charset="UTF-8" Date: Wed, 22 Jul 2009 15:41:17 -0400 Message-Id: <1248291677.1479.5.camel@RabbitsDen> Mime-Version: 1.0 X-Mailer: Evolution 2.26.3 FreeBSD GNOME Team Port Content-Transfer-Encoding: 8bit Cc: Subject: Unloading if_em causes panic on 8.0-BETA2 #0 r195818 (i386) 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: Wed, 22 Jul 2009 20:12:05 -0000 System: FreeBSD RabbitsDen.RabbitsLawn.verizon.net 8.0-BETA2 FreeBSD 8.0-BETA2 #0 r195818: Wed Jul 22 13:50:22 EDT 2009 root@RabbitsDen.RabbitsLawn.verizon.net:/usr/obj/usr/src/sys/TPX60 i386 To reproduce: kldload if_em; kldunload if_em Hardware: em0@pci0:2:0:0: class=0x020000 card=0x207e17aa chip=0x109a8086 rev=0x00 hdr=0x00 vendor = 'Intel Corporation' device = 'Intel PRO/1000 PL Network Adaptor (82573L)' class = network subclass = ethernet Crash summary: http://members.verizon.net/~akovalenko/Misc/core.txt.0 Backtrace: (kgdb) bt #0 doadump () at pcpu.h:246 #1 0xa0586614 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:419 #2 0xa058692b in panic (fmt=Variable "fmt" is not available. ) at /usr/src/sys/kern/kern_shutdown.c:575 #3 0xa0712fe1 in vm_fault (map=0xa1090000, vaddr=2701840384, fault_type=1 '\001', fault_flags=0) at /usr/src/sys/vm/vm_fault.c:283 #4 0xa076e046 in trap_pfault (frame=0xfa528adc, usermode=0, eva=2701844432) at /usr/src/sys/i386/i386/trap.c:835 #5 0xa076ebab in trap (frame=0xfa528adc) at /usr/src/sys/i386/i386/trap.c:528 #6 0xa075281b in calltrap () at /usr/src/sys/i386/i386/exception.s:165 #7 0xa057204d in free (addr=0xaefcb000, mtp=0xa07fbcd0) at vm_page.h:255 #8 0xa05b1978 in buf_ring_free (br=0xaefcb000, type=0xa07fbcd0) at /usr/src/sys/kern/subr_bufring.c:67 #9 0xaeff86aa in em_free_transmit_structures (adapter=0xaefc6000) at /usr/src/sys/modules/em/../../dev/e1000/if_em.c:3647 #10 0xaeffb10f in em_detach (dev=0xa6250400) at /usr/src/sys/modules/em/../../dev/e1000/if_em.c:925 #11 0xa05af62d in device_detach (dev=0xa6250400) at device_if.h:212 #12 0xa05afaba in driver_module_handler (mod=0xa7908e00, what=1, arg=0xaf01b81c) at /usr/src/sys/kern/subr_bus.c:1098 #13 0xa05742fd in module_unload (mod=0xa7908e00) at /usr/src/sys/kern/kern_module.c:266 #14 0xa056b65d in linker_file_unload (file=0xaefaf400, flags=0) at /usr/src/sys/kern/kern_linker.c:632 #15 0xa056c0e4 in kern_kldunload (td=0xab050900, fileid=27, flags=0) at /usr/src/sys/kern/kern_linker.c:1091 #16 0xa056c161 in kldunloadf (td=0xab050900, uap=0xfa528cf8) at /usr/src/sys/kern/kern_linker.c:1121 #17 0xa076e474 in syscall (frame=0xfa528d38) at /usr/src/sys/i386/i386/trap.c:1073 #18 0xa07528b0 in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:261 #19 0x00000033 in ?? () Previous frame inner to this frame (corrupt stack?) (kgdb) Please, let me know if there is anything else I can provide. -- Alexandre Kovalenko (Олександр Коваленко)