Messages in this thread | | | From | andreamrl <> | Subject | Oops in 2.6.1-rc1-mm2 | Date | Thu, 8 Jan 2004 16:29:20 +0100 |
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When i stop to messing around with a sane backend and i disconnect the power cord of my USB scanner, system generates a kernel oops (kernel 2.6.1-rc1-mm2). I attach the oops log hoping be useful.
Merello Andrea andreamrl@tiscali.itusb 3-2: USB disconnect, address 3 Unable to handle kernel NULL pointer dereference at virtual address 0000001e printing eip: f18a624c *pde = 00000000 Oops: 0000 [#1] PREEMPT CPU: 0 EIP: 0060:[<f18a624c>] Tainted: PF VLI EFLAGS: 00010292 EIP is at disconnect_scanner+0x2c/0x6d [scanner] eax: e8367780 ebx: e8367794 ecx: f18a6220 edx: 00000005 esi: 00000000 edi: ee7f9440 ebp: f18a9dbc esp: efd41e44 ds: 007b es: 007b ss: 0068 Process khubd (pid: 5, threadinfo=efd40000 task=eff8e040) Stack: e8367780 f18a9e38 e8367780 f18a9ea0 c02b8a0b e8367780 e8367780 e8367794 e8367794 f18a9ec0 c0240e94 e8367794 e83677c0 ee7f947c ee7f9468 f18a5ba7 e8367794 e8367780 ee7f947c f18a9dcc 00000000 00000000 c020afe8 ee7f947c Call Trace: [<c02b8a0b>] usb_unbind_interface+0x7b/0x80 [<c0240e94>] device_release_driver+0x64/0x70 [<f18a5ba7>] destroy_scanner+0x77/0xd0 [scanner] [<c020afe8>] kobject_cleanup+0x98/0xa0 [<c02b8a0b>] usb_unbind_interface+0x7b/0x80 [<c0240e94>] device_release_driver+0x64/0x70 [<c0241008>] bus_remove_device+0x78/0xc0 [<c023fe9c>] device_del+0x6c/0xa0 [<c02bef3f>] usb_disable_device+0x6f/0xb0 [<c02b92ab>] usb_disconnect+0xbb/0x110 [<c02bba6f>] hub_port_connect_change+0x32f/0x340 [<c02bb353>] hub_port_status+0x43/0xb0 [<c02bbdb8>] hub_events+0x338/0x3a0 [<c02bbe4d>] hub_thread+0x2d/0xf0 [<c0357a86>] ret_from_fork+0x6/0x14 [<c011dba0>] default_wake_function+0x0/0x20 [<c02bbe20>] hub_thread+0x0/0xf0 [<c0109009>] kernel_thread_helper+0x5/0xc
Code: ec 10 8b 44 24 14 89 5c 24 08 89 74 24 0c 8d 58 14 8b 73 78 c7 44 24 04 38 9e 8a f1 89 04 24 e8 ab a4 a1 ce c7 43 78 00 00 00 00 <80> 7e 1e 00 75 2e 85 f6 74 17 8d 46 3c 8b 5c 24 08 8b 74 24 0c
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