cardreader interrupt storm [was : Re: digital camera]

Thierry Herbelot thierry at herbelot.com
Wed Jun 9 19:53:16 GMT 2004


Le Wednesday 09 June 2004 21:31, Stephan van Beerschoten a écrit :
>
> but of course I'm also having a PCMCIA-CF cardreader because (as mentioned
> by somebody already) it is much faster and it won't wear down your
> sensitive connectors on your camera. They costs something like $15 and are
> definitly worth the money.

did you try your cardreader on a recent -current ?

I did, on my laptop, and got corrupted pictures, with an error message :
%--------
Interrupt storm detected on "irq9: pcm0 cbb0++++"; throttling interrupt source
%--------
my cardreader is a noname adaptor, with the following probe :
%--------
ata2: <TOSHIBA THNCF032MBA  > at port 0x120-0x12f irq 9 function 0 config 1 on 
pccard0
ad4: FAILURE - SETFEATURES ENABLE RCACHE status=51<READY,DSC,ERROR> 
error=4<ABORTED>
ad4: FAILURE - SETFEATURES ENABLE WCACHE status=51<READY,DSC,ERROR> 
error=4<ABORTED>
ad4: 31MB <TOSHIBA THNCF032MBA> [496/4/32] at ata2-master PIO2
%--------

FreeBSD is quite current : 
%--------
FreeBSD 5.2-CURRENT #5: Mon Jun  7 12:52:10 CEST 2004
XXX at YYYY:/usr/obj/usr/src/sys/GENERIC
%--------

	TfH

PS : I still have to have a look after disabling ACPI
>
> /Stephan


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