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Date: Sat, 06 Oct 2007 17:15:03 -0400 From: Scott <linux-kernel@...ecamel.eml.cc> To: Robert Hancock <hancockr@...w.ca> Cc: linux-kernel@...r.kernel.org Subject: Re: cx88 pci_abort messages On Sat, 2007-10-06 at 12:48 -0600, Robert Hancock wrote: > > On Oct 4, 2007, at 11:52 AM, Scott wrote: > > > >> I'm having what I think is a PCI bus problem. > >> > >> I have a ASUS P5B Intel 965 motherboard and a DVICO Fusion HDTV5 RT > >> adapter on the PCI bus. When this adapter is recording (anything) I see > >> Oct 2 21:59:12 htpc cx88[0]: irq mpeg [0x80000] pci_abort* > >> Oct 2 21:59:12 htpc cx88[0]/2-mpeg: general errors: 0x00080000 > >> Oct 2 21:59:20 htpc cx88[0]: irq mpeg [0x80000] pci_abort* > >> Oct 2 21:59:20 htpc cx88[0]/2-mpeg: general errors: 0x00080000 > >> Oct 2 21:59:32 htpc cx88[0]: irq mpeg [0x80000] pci_abort* > >> Oct 2 21:59:32 htpc cx88[0]/2-mpeg: general errors: 0x0008000 > > > PCI aborts won't have anything to do with interrupts. It's a PCI DMA > transfer that either the initiator (here, the TV card) or the target > (the chipset host bridge) decided to puke on for some reason. Possibly > parity errors? I assumed it was an interrupt issue based on the 'irq mepg' error, not a DMA issue. Any suggestions on how to log more information about PCI DMA events on a system wide basis? I've seen this since 2.6.18. -- Scott <linux-kernel@...ecamel.eml.cc> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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