- From: Omri Schwarz <ocschwar_at_MIT.EDU>
- Date: Thu, 24 Jun 2004 21:31:17 -0400
> Is your board sharing an interrupt? It's possible an interrupt that occurs /sbin/lspci -vv says yes. I should kick myself for not doing this sooner. > after the driver registers its interrupt handler but before > comedi_device_attach() completely finishes could cause a crash, but you > said the crash happens after comedi_device_attach() returns? It's hard to gauge. The oops() message scrolls the terminal all the way through, giving me only a split second to see the printk()s and other output, and then locks up. But the kernel traceback is always what I listed below. > On Wednesday 23 June 2004 06:01 pm, Omri Schwarz wrote: > > Okay, I've crashed the machine enough to confirm that every time my > > crash happens > > the kernel is in the middle of scsi_io_completion(), > > called as a callback handler from handle_IRQ_event(), > > called from do_IRQ(), called from default_idle(). > > > > So my problem is that a structure involved in handling irqs > > gets mishandled by comedi and crashes a little while later. > > - -- > Frank > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.2.4 (GNU/Linux) > > iD8DBQFA23Ov5vihyNWuA4URAro4AJ0XlBRJH05YkV+9ZmQxFNo67MLTvgCfQxRu > GQUdqFiMTpreD7ZTmS1m/fU= > =bDKp > -----END PGP SIGNATURE----- > > _______________________________________________ > comedi mailing list > comedi_at_comedi.org > https://cvs.comedi.org/cgi-bin/mailman/listinfo/comedi
Received on 2004-06-25Z00:31:17