On Tuesday 12 April 2011 22:12:55 Alexander Motin wrote: > David Naylor wrote: > > On Tuesday 12 April 2011 08:17:51 Alexander Motin wrote: > >> David Naylor wrote: > >>> I am running -current and since a few days ago (at least 2011/04/11) I > >>> am unable to boot. > >>> > >>> The boot process stops when it looks to find a bootable device. The > >>> prompt (when pressing '?') does not display any device and yielding one > >>> second (or more) to the kernel (by pressing '.') does not improve the > >>> situation. > >>> > >>> A known working date is 2011/02/20. > >>> > >>> I am running amd64 on a nVidia MCP51 chipset. > >> > >> MCP51... again... > > +ata2: reiniting channel .. > +ata2: SATA connect time=0ms status=00000113 > +ata2: reset tp1 mask=01 ostat0=58 ostat1=00 > +ata2: stat0=0x50 err=0x01 lsb=0x00 msb=0x00 > +ata2: reset tp2 stat0=50 stat1=00 devices=0x1 > +ata2: reinit done .. > +unknown: FAILURE - ATA_IDENTIFY timed out LBA=0 > > As soon as all devices detected but not responding to commands, I would > suppose that there is something wrong with ATA interrupts. There is a > long chain of interrupt problems in this chipset. I have already tried > to debug one case where ATA wasn't generating interrupts at all. > Unfortunately, without success -- requests were executing, but not > generating interrupts, it wasn't looked like ATA driver problem. > > What's about possible candidate to revision triggering your problem, I > would look on this message: > +pcib0: Enabling MSI window for HyperTransport slave at pci0:0:9:0 > > At least it is recent (SVN revs 219737,219740 on 2011-03-18 by jhb) and > it is interrupt related. I reverted those two revs and everything works again.
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