Messages in this thread | | | Date | Wed, 03 Oct 2007 13:54:35 -0400 | From | Jeff Garzik <> | Subject | Re: libATA error message doc |
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Mike Robak wrote: > Does a doc exist that provides a detailed description of the different > errors that could be produced by libata and its associated drivers? > The libATA developer's guide provides a very good general description > of the types of messages, but I'm looking for more detail. > > For example I got this error message last week: > > Sep 27 17:29:26 server kernel: ata2.00: exception Emask 0x0 SAct 0x0 > SErr 0x0 action 0x1 > Sep 27 17:29:26 server kernel: ata2.00: (irq_stat 0x40000001) > Sep 27 17:29:26 server kernel: ata2.00: tag 0 cmd 0xb0 Emask 0x1 stat > 0x51 err 0x4 (device error) > > I'd like to know what the following items means? > > (irq_stat 0x40000001) > tag 0 > cmd 0xb0 > emask 0x1 > stat 0x51 > err 0x4
It's pretty much all defined in the ATA or controller specifications...
Well, except for emask, which is a libata-only invention.
Jeff
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