[linux-dvb] Leftover kdvb-fe processes

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

When I run VDR there is a kdvb-fe process created when I open the
frontend. Sometimes there are two such processes created per DVB
card, one of them marked '<defunct>'. After stopping VDR  (no matter whether
I explicitly do a 'close(fd_frontend)' or not) the '<defunct>' kdvb-fe process
goes away, but the other kdvb-fe process stays alive and eats up all of the CPU
time.

If I then do a 'make rmmod' to get rid of these leftover processes, I sometimes get this:

Dec  1 14:30:34 video kernel: Unable to handle kernel paging request at virtual address c8c97090
Dec  1 14:30:34 video kernel:  printing eip:
Dec  1 14:30:34 video kernel: c0780068
Dec  1 14:30:34 video kernel: *pde = 04211067
Dec  1 14:30:34 video kernel: *pte = 00000000
Dec  1 14:30:34 video kernel: Oops: 0000
Dec  1 14:30:34 video kernel: CPU:    0
Dec  1 14:30:34 video kernel: EIP:    0010:[8139too:__insmod_8139too_O/lib/modules/2.4.10-4GB/kernel/drivers/ne+-119766936/96]
Dec  1 14:30:34 video kernel: EFLAGS: 00010246
Dec  1 14:30:34 video kernel: eax: c8c97000   ebx: 00000063   ecx: fc0903f9   edx: 000aa58b
Dec  1 14:30:34 video kernel: esi: 00000101   edi: c50de000   ebp: c421b800   esp: c50dfed8
Dec  1 14:30:34 video kernel: ds: 0018   es: 0018   ss: 0018
Dec  1 14:30:34 video kernel: Process kdvb-fe (pid: 15872, stackpage=c50df000)
Dec  1 14:30:34 video kernel: Stack: 00000063 c0780151 c421b800 c421b800 c4a6e000 00000064 00000001 c07803de 
Dec  1 14:30:34 video kernel:        c421b800 00000064 c421b800 00000001 00000000 c0780cff c421b800 c4a6e000 
Dec  1 14:30:34 video kernel:        00000064 c421b800 00000004 00000001 c14d7e20 c0780dac c14d7e20 c50dff74 
Dec  1 14:30:34 video kernel: Call Trace: [8139too:__insmod_8139too_O/lib/modules/2.4.10-4GB/kernel/drivers/ne+-119766703/96] [8139too:__insmod_8139too_O/lib/modules/2.4.10-4GB/kernel/drivers/ne+-119766050/96] [8139too:__insmod_8139too_O/lib/modules/2.4.10-4GB/kernel/drivers/ne+-119763713/96] [8139too:__insmod_8139too_O/lib/modules/2.4.10-4GB/kernel/drivers/ne+-119763540/96] [8139too:__insmod_8139too_O/lib/modules/2.4.10-4GB/kernel/drivers/ne+-65158947/96] 
Dec  1 14:30:34 video kernel:    [8139too:__insmod_8139too_O/lib/modules/2.4.10-4GB/kernel/drivers/ne+-65155518/96] [8139too:__insmod_8139too_O/lib/modules/2.4.10-4GB/kernel/drivers/ne+-2503076/96] [8139too:__insmod_8139too_O/lib/modules/2.4.10-4GB/kernel/drivers/ne+-2500783/96] [kernel_thread+40/56] 
Dec  1 14:30:34 video kernel: 
Dec  1 14:30:34 video kernel: Code: 8b 98 90 00 00 00 f6 05 88 f0 78 c0 02 74 0e 53 68 40 c8 78 

Question: why don't these kdvb-fe processes go away when the frontend is closed?
And what's with these <defunct> processes?

I'm using today's CVS driver (2002-12-01).

Klaus
-- 
_______________________________________________________________

Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
_______________________________________________________________


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