Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 19 Dec 2001 15:06:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 19 Dec 2001 15:06:22 -0500 Received: from mta23-acc.tin.it ([212.216.176.76]:60339 "EHLO fep23-svc.tin.it") by vger.kernel.org with ESMTP id ; Wed, 19 Dec 2001 15:06:08 -0500 From: Flavio Stanchina Organization: not at all To: linux-kernel Subject: 2.4.17-rc2 oopses when unloading hid.o Date: Wed, 19 Dec 2001 21:06:05 +0100 X-Mailer: KMail [version 1.3.2] MIME-Version: 1.0 Content-Type: Multipart/Mixed; boundary="------------Boundary-00=_56XL65TB7WG6PC9SEKLS" Message-Id: <20011219200605.ISMI15319.fep23-svc.tin.it@there> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --------------Boundary-00=_56XL65TB7WG6PC9SEKLS Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Please CC me, I'm currently not on the list due to lack of time. I've got two oopses when I unloaded the drivers/usb/hid.o module ('rmmod hid'). Here's the first: Dec 19 20:28:50 athlon kernel: invalid operand: 0000 Dec 19 20:28:50 athlon kernel: CPU: 0 Dec 19 20:28:50 athlon kernel: EIP: 0010:[devfs_put+48/224] Tainted: PF Dec 19 20:28:50 athlon kernel: EFLAGS: 00010282 Dec 19 20:28:50 athlon kernel: eax: 0000000d ebx: dd74b5c0 ecx: dd840000 edx: 00000001 Dec 19 20:28:50 athlon kernel: esi: 00000030 edi: 00000000 ebp: dffa1800 esp: df9bbf2c Dec 19 20:28:50 athlon kernel: ds: 0018 es: 0018 ss: 0018 Dec 19 20:28:50 athlon kernel: Process devfsd (pid: 81, stackpage=df9bb000) Dec 19 20:28:50 athlon kernel: Stack: c0296f85 c0296f60 c0296f40 dd74b5c0 dd9456c0 c0168a43 dd74b5c0 dfbfe4c0 Dec 19 20:28:50 athlon kernel: ffffffea 00000000 00000420 c02e01e0 df68b2c0 dd74b5c0 00000030 00000000 Dec 19 20:28:50 athlon kernel: 000003f0 00000000 00000000 00000001 00000000 df9ba000 00000000 00000000 Dec 19 20:28:50 athlon kernel: Call Trace: [devfsd_read+819/944] [sys_read+150/208] [system_call+51/56] Dec 19 20:28:50 athlon kernel: Code: 0f 0b 83 c4 10 ff 4b 04 0f 94 c0 84 c0 0f 84 92 00 00 00 3b Using defaults from ksymoops -t elf32-i386 -a i386 Code; 00000000 Before first symbol 00000000 <_EIP>: Code; 00000000 Before first symbol 0: 0f 0b ud2a Code; 00000002 Before first symbol 2: 83 c4 10 add $0x10,%esp Code; 00000004 Before first symbol 5: ff 4b 04 decl 0x4(%ebx) Code; 00000008 Before first symbol 8: 0f 94 c0 sete %al Code; 0000000a Before first symbol b: 84 c0 test %al,%al Code; 0000000c Before first symbol d: 0f 84 92 00 00 00 je a5 <_EIP+0xa5> 000000a4 Before first symbol Code; 00000012 Before first symbol 13: 3b 00 cmp (%eax),%eax This was a few minutes later, after a reboot: Dec 19 20:47:29 athlon kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004 Dec 19 20:47:29 athlon kernel: c022c9dd Dec 19 20:47:29 athlon kernel: *pde = 00000000 Dec 19 20:47:29 athlon kernel: Oops: 0002 Dec 19 20:47:29 athlon kernel: CPU: 0 Dec 19 20:47:29 athlon kernel: EIP: 0010:[usb_deregister+61/144] Not tainted Dec 19 20:47:29 athlon kernel: EFLAGS: 00010216 Dec 19 20:47:29 athlon kernel: eax: 00000000 ebx: e0aff000 ecx: d8a2e000 edx: 00000000 Dec 19 20:47:29 athlon kernel: esi: e0b03b20 edi: e0aff000 ebp: bfffea4c esp: d8a2ff78 Dec 19 20:47:29 athlon kernel: ds: 0018 es: 0018 ss: 0018 Dec 19 20:47:29 athlon kernel: Process rmmod (pid: 1158, stackpage=d8a2f000) Dec 19 20:47:29 athlon kernel: Stack: e0aff000 fffffff0 e0aff000 e0b02fc5 e0b03b20 de6f86c0 e0b00dc5 c0116da7 Dec 19 20:47:29 athlon kernel: e0aff000 fffffff0 d865a000 bfffea4c c0116137 e0aff000 00000000 d8a2e000 Dec 19 20:47:29 athlon kernel: 00000001 bfffea4c c0106c4b bffffbe8 bffffaf4 bfffea4c 00000001 bfffea4c Dec 19 20:47:29 athlon kernel: Call Trace: [hid:hiddev_exit+21/368] [hid:hid_blacklist+588/652] [hid:hid_init_reports+1509/4160] [free_module+23/160] [sys_delete_module+247/448] Dec 19 20:47:29 athlon kernel: Code: 89 50 04 89 02 b9 c0 30 36 c0 ff 0d c0 30 36 c0 0f 88 83 8b Code; 00000000 Before first symbol 00000000 <_EIP>: Code; 00000000 Before first symbol 0: 89 50 04 mov %edx,0x4(%eax) Code; 00000002 Before first symbol 3: 89 02 mov %eax,(%edx) Code; 00000004 Before first symbol 5: b9 c0 30 36 c0 mov $0xc03630c0,%ecx Code; 0000000a Before first symbol a: ff 0d c0 30 36 c0 decl 0xc03630c0 Code; 00000010 Before first symbol 10: 0f 88 83 8b 00 00 js 8b99 <_EIP+0x8b99> 00008b98 Before first symbol Configuration is attached. Relevant things: devfs, usb-uhci + usb core built-in, hid as a module. -- Ciao, Flavio Stanchina Trento - Italy "The best defense against logic is ignorance." http://spazioweb.inwind.it/fstanchina/ --------------Boundary-00=_56XL65TB7WG6PC9SEKLS Content-Type: text/plain; charset="iso-8859-1"; name="config" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="config" Q09ORklHX1g4Nj15CkNPTkZJR19JU0E9eQpDT05GSUdfVUlEMTY9eQpDT05GSUdfRVhQRVJJTUVO VEFMPXkKQ09ORklHX01PRFVMRVM9eQpDT05GSUdfS01PRD15CkNPTkZJR19NSzc9eQpDT05GSUdf WDg2X1dQX1dPUktTX09LPXkKQ09ORklHX1g4Nl9JTlZMUEc9eQpDT05GSUdfWDg2X0NNUFhDSEc9 eQpDT05GSUdfWDg2X1hBREQ9eQpDT05GSUdfWDg2X0JTV0FQPXkKQ09ORklHX1g4Nl9QT1BBRF9P Sz15CkNPTkZJR19SV1NFTV9YQ0hHQUREX0FMR09SSVRITT15CkNPTkZJR19YODZfTDFfQ0FDSEVf U0hJRlQ9NgpDT05GSUdfWDg2X1RTQz15CkNPTkZJR19YODZfR09PRF9BUElDPXkKQ09ORklHX1g4 Nl9VU0VfM0ROT1c9eQpDT05GSUdfWDg2X1BHRT15CkNPTkZJR19YODZfVVNFX1BQUk9fQ0hFQ0tT 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