From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Philipp Reisner To: drbd-dev@lists.linbit.com Subject: Re: [Drbd-dev] Panic in _drbd_send_page() again. Date: Wed, 2 May 2007 11:22:56 +0200 References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200705021122.56681.philipp.reisner@linbit.com> Cc: "Montrose, Ernest" List-Id: Coordination of development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Am Donnerstag, 26. April 2007 23:58 schrieb Montrose, Ernest: > Hi all, > I think we have seen this panic before. I am not sure if there was a > fix then a regression of sort. > I am looking for a clue to help narrow this down. It seems a > bvec->bv_page is freed and is being used later. Here is the panic > message: > Hi Ernest, Could you run this through ksymoops, to get the code line disassembled ? -- This does not look like a well-known distri kernel, or is it ? -Phil 05:05:53 chogs kernel: CPU: 0 05:05:53 chogs kernel: EIP: 0061:[] Tainted: GF VLI 05:05:53 chogs kernel: EFLAGS: 00010296 (2.6.16.38-xen #1) 05:05:53 chogs kernel: EIP is at _drbd_send_page+0x21/0x120 [drbd] 05:05:53 chogs kernel: eax: ffffffff ebx: c05958fc ecx: eb024000 edx: 6b6b6b6b 05:05:53 chogs kernel: esi: 6b6b6b6b edi: a56b6b6b ebp: eb025eec esp: eb025ebc 05:05:53 chogs kernel: ds: 007b es: 007b ss: 0069 05:05:53 chogs kernel: Process drbd3_worker (pid: 5739, threadinfo=eb024000 task=ed440570) 05:05:53 chogs kernel: Stack: <0>00001000 00004000 00000000 eb024000 00000020 ec64b26c ffffffff 6b6b6b6b 05:05:53 chogs kernel: ec64b26c c05958fc 00000003 c7a5c6d0 eb025f08 ee2854f3 6b6b6b6b ec64b26c 05:05:54 chogs kernel: eb025f30 00000000 ec64b26c eb025f5c ee285643 00000020 00008000 00000000 05:05:54 chogs kernel: Call Trace: 05:05:54 chogs kernel: [] show_stack_log_lvl+0xa1/0xe0 05:05:54 chogs kernel: [] show_registers+0x181/0x200 05:05:54 chogs kernel: [] die+0x100/0x1b0 05:05:54 chogs kernel: [] do_page_fault+0x3c6/0x8c1 05:05:54 chogs kernel: [] error_code+0x2b/0x30 05:05:54 chogs kernel: [] _drbd_send_zc_bio+0x33/0x50 [drbd] 05:05:55 chogs kernel: [] drbd_send_dblock+0x133/0x1f0 [drbd] 05:05:55 chogs kernel: [] w_send_dblock+0x1a/0xe0 [drbd] 05:05:55 chogs kernel: [] drbd_worker+0x2de/0x4b5 [drbd] 05:05:55 chogs kernel: [] drbd_thread_setup+0x8c/0x100 [drbd] 05:05:55 chogs kernel: [] kernel_thread_helper+0x5/0x10 05:05:55 chogs kernel: Code: 5d f4 8b 7d fc 89 ec 5d c3 90 55 89 e5 57 89 cf b9 00 e0 ff ff 56 53 83 ec 24 8b 75 08 89 45 f0 89 55 ec 21 e1 8b 41 18 89 45 e8 <8b> 02 f6 c4 40 74 03 8b 52 0c 8b 42 04 40 85 c0 7e 09 8b 55 ec 05:05:55 chogs kernel: <0>Fatal exception: panic in 5 seconds -- : Dipl-Ing Philipp Reisner Tel +43-1-8178292-50 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Vivenotgasse 48, 1120 Vienna, Austria http://www.linbit.com :