Messages in this thread | | | Date | Mon, 16 Feb 2004 13:48:20 +0000 | From | Andrei Mikhailovsky <> | Subject | 2.6.2 khubd oops |
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If anyone interested, I have an oops everytime i use and disconnect a scanner device (Mustec 1200 UB Plus). Here is the dmesg output. (If required, I can produce more debuging output).
hub 3-1:1.0: new USB device on port 2, assigned address 3 drivers/usb/image/scanner.c: USB scanner device (0x05d8/0x4002) now attached to usb/scanner0 usb 3-1.2: USB disconnect, address 3 Unable to handle kernel NULL pointer dereference at virtual address 0000001e ~ printing eip: e18b10dc *pde = 00000000 Oops: 0000 [#1] CPU: 0 EIP: 0060:[<e18b10dc>] Tainted: PF EFLAGS: 00010282 EIP is at disconnect_scanner+0x2c/0x69 [scanner] eax: c28dd9c0 ebx: c28dd9d4 ecx: e18b10b0 edx: 00000002 esi: 00000000 edi: cf72b0e8 ebp: e18b4bfc esp: dfe11e50 ds: 007b es: 007b ss: 0068 Process khubd (pid: 5, threadinfo=dfe10000 task=c151c040) Stack: c28dd9c0 e18b4c78 c28dd9c0 e18b4ce0 c02a02db c28dd9c0 c28dd9c0 c28dda00 ~ c28dd9d4 e18b4d00 c0258854 c28dd9d4 c28dda00 cf72b0fc cf72b0c0 e18b0a5f ~ c28dd9d4 c28dd9c0 cf72b0fc e18b4c0c 00000000 00000000 c020c0f8 cf72b0fc Call Trace: ~ [<c02a02db>] usb_unbind_interface+0x7b/0x80 ~ [<c0258854>] device_release_driver+0x64/0x70 ~ [<e18b0a5f>] destroy_scanner+0x4f/0xb0 [scanner] ~ [<c020c0f8>] kobject_cleanup+0x98/0xa0 ~ [<c02a02db>] usb_unbind_interface+0x7b/0x80 ~ [<c0258854>] device_release_driver+0x64/0x70 ~ [<c0258985>] bus_remove_device+0x55/0xa0 ~ [<c02578bd>] device_del+0x5d/0xa0 ~ [<c02a68ff>] usb_disable_device+0x6f/0xb0 ~ [<c02a0d26>] usb_disconnect+0x96/0xf0 ~ [<c02a349f>] hub_port_connect_change+0x30f/0x320 ~ [<c02a2dd3>] hub_port_status+0x43/0xb0 ~ [<c02a377a>] hub_events+0x2ca/0x340 ~ [<c02a381d>] hub_thread+0x2d/0xf0 ~ [<c010925e>] ret_from_fork+0x6/0x14 ~ [<c011bb60>] default_wake_function+0x0/0x20 ~ [<c02a37f0>] hub_thread+0x0/0xf0 ~ [<c0107289>] kernel_thread_helper+0x5/0xc
Code: 80 7e 1e 00 75 2a 85 f6 74 1a 8d 46 3c 8b 5c 24 08 8b 74 24
- -- Andrei Mikhailovsky Arhont Ltd
Web: http://www.arhont.com Tel: +44 (0)870 4431337 Fax: +44 (0)1454 201200 PGP: Key ID - 0xFF67A4F4 PGP: Server - keyserver.pgp.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Using GnuPG with Debian - http://enigmail.mozdev.org
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