[linux-dvb] Sporadic Oops when unloading/loading DVB driver

[Manfred Petz <pm@comlabs.at>]

Hi,

When unloading/loading the 1.1.0 driver, I sometimes get an Oops, always
in function arm_thread(). If I excessively unload/load the driver, it happens
quite often.


pm


Feb 27 12:36:40 tvtest kernel: Unable to handle kernel paging request at virtual address d08f79fa
Feb 27 12:36:40 tvtest kernel: d08f79fa
Feb 27 12:36:40 tvtest kernel: *pde = 01aab067
Feb 27 12:36:40 tvtest kernel: Oops: 0000
Feb 27 12:36:40 tvtest kernel: CPU:    0
Feb 27 12:36:40 tvtest kernel: EIP:    0060:[<d08f79fa>]    Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
Feb 27 12:36:40 tvtest kernel: EFLAGS: 00010246
Feb 27 12:36:40 tvtest kernel: EIP is at GPLONLY_budget_debug [dvb-ttpci-budget] 0x52ba (2.4.20-19.9)
Feb 27 12:36:40 tvtest kernel: eax: 00000000   ebx: c004a000   ecx: c004bf9c   edx: 00000000
Feb 27 12:36:40 tvtest kernel: esi: 000001f4   edi: ce978000   ebp: ce97aee8   esp: c004bfc8
Feb 27 12:36:40 tvtest kernel: ds: 0068   es: 0068   ss: 0068
Feb 27 12:36:40 tvtest kernel: Process arm_mon (pid: 20696, stackpage=c004b000)
Feb 27 12:36:40 tvtest kernel: Stack: c004a000 c004a000 00000000 c004a000 ce97aee8 ce97aee8 d08f7874 00000000
Feb 27 12:36:40 tvtest kernel:        00000000 00000000 c0106fc1 ce978000 00000000 00000000
Feb 27 12:36:40 tvtest kernel: Call Trace:   [<c0106fc1>] kernel_thread_helper [kernel] 0x5 (0xc004bff0))
Feb 27 12:36:40 tvtest kernel: Code:  Bad EIP value.


>>EIP; d08f79fa <[dvb-ttpci]arm_thread+186/1d4>   <=====

>>edi; ce978000 <___strtok+e5d01c4/10465224>
>>ebp; ce97aee8 <___strtok+e5d30ac/10465224>

Trace; c0106fc1 <show_regs+141/400>


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