[linux-dvb] S2API: problem unloading dvb_ttpci

[linux-dvb] S2API: problem unloading dvb_ttpci

[Klaus Schmidinger]

I'm making my first steps in using the S2API driver, and already
have a problem. When trying to do

  /sbin/rmmod dvb_ttpci

I get the error

  ERROR: Removing 'dvb_ttpci': Device or resource busy

'lsmod' shows

  Module                  Size  Used by
  dvb_ttpci             348748  0

So who is using dvb_ttpci?

BTW: this worked fine with the 'multiproto' driver ;-)

Klaus

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Re: [linux-dvb] S2API: problem unloading dvb_ttpci

[Klaus Schmidinger]

On 22.11.2008 13:07, Klaus Schmidinger wrote:
> I'm making my first steps in using the S2API driver, and already
> have a problem. When trying to do
> 
>   /sbin/rmmod dvb_ttpci
> 
> I get the error
> 
>   ERROR: Removing 'dvb_ttpci': Device or resource busy
> 
> 'lsmod' shows
> 
>   Module                  Size  Used by
>   dvb_ttpci             348748  0
> 
> So who is using dvb_ttpci?

After rebooting and doing one more test, I got this when
running /sbin/rmmod dvb_ttpci:

Nov 22 13:21:35 vdr2 kernel: saa7146: unregister extension 'dvb'.
Nov 22 13:21:35 vdr2 kernel: PANIC: double fault, gdt at c2015000 [255 bytes]
Nov 22 13:21:35 vdr2 kernel: double fault, tss at c2017780
Nov 22 13:21:35 vdr2 kernel: eip = f7881416, esp = bf88921e
Nov 22 13:21:35 vdr2 kernel: eax = f7881408, ebx = f6df6cc8, ecx = f7401a7f, edx = f788144d
Nov 22 13:21:35 vdr2 kernel: esi = f7881409, edi = f79231c1

Looks like the S2API driver isn't in a state where it can actually be used, yet...

Klaus

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Re: [linux-dvb] S2API: problem unloading dvb_ttpci

[Klaus Schmidinger]

On 22.11.2008 13:23, Klaus Schmidinger wrote:
> On 22.11.2008 13:07, Klaus Schmidinger wrote:
>> I'm making my first steps in using the S2API driver, and already
>> have a problem. When trying to do
>>
>>   /sbin/rmmod dvb_ttpci
>>
>> I get the error
>>
>>   ERROR: Removing 'dvb_ttpci': Device or resource busy
>>
>> 'lsmod' shows
>>
>>   Module                  Size  Used by
>>   dvb_ttpci             348748  0
>>
>> So who is using dvb_ttpci?
> 
> After rebooting and doing one more test, I got this when
> running /sbin/rmmod dvb_ttpci:
> 
> Nov 22 13:21:35 vdr2 kernel: saa7146: unregister extension 'dvb'.
> Nov 22 13:21:35 vdr2 kernel: PANIC: double fault, gdt at c2015000 [255 bytes]
> Nov 22 13:21:35 vdr2 kernel: double fault, tss at c2017780
> Nov 22 13:21:35 vdr2 kernel: eip = f7881416, esp = bf88921e
> Nov 22 13:21:35 vdr2 kernel: eax = f7881408, ebx = f6df6cc8, ecx = f7401a7f, edx = f788144d
> Nov 22 13:21:35 vdr2 kernel: esi = f7881409, edi = f79231c1
> 
> Looks like the S2API driver isn't in a state where it can actually be used, yet...

Just for the record: it turned out that there was a mixup between DVB driver
files from my SUSE 11.0 installation and the self-compiled driver source.
After making sure only the self-compiled driver files were loaded, I was
able to load/unload the S2API driver.

Sorry about the noise...

Klaus

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