On Tue, Feb 28, 2006 at 04:54:05PM +0000, Martin Michlmayr wrote: > * Peter Horton <pdh@xxxxxxxxxxxxxxxxx> [2006-01-21 01:04]: > > > > Real Time Clock Driver v1.12a > > > > Cobalt LCD Driver v2.10 > > > > i8042.c: i8042 controller self test timeout. > > > > Unhandled kernel unaligned access[#1]: > > > > > > The i8042 error message is a little surprising. The Cobalt boards afair > > No SuperIO, but there is a bog standard VIA PCI-ISA bridge which > > contains a bog standard PS/2 keyboard controller, which you would have > > thought should just work ... > > That's really interesting. I tried latest git (2.6.16-rc5) to see if > this is still there. First of all, 32-bit is fine, both regarding > i8042 as well as ALSA with a PCI audio card. With a 64-bit kernel, > i8042 appears to be okay now. I get: > > Cobalt LCD Driver v2.10 > i8042.c: i8042 controller self test timeout. > Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled > > and the kernel boots fine. > > I then built ALSA support into the kernel to see whether > http://www.linux-mips.org/archives/linux-mips/2006-01/msg00325.html > disappeared too. I got almost the same oops as the one I got before > because of i8042. > > Peter, does that make any sense to you? I assume your recent PCI fix > may be related. > Those addresses that begin 9b640000 (including the fault address) look very strange. The low 32-bits look like a valid physical address in the PCI space but the top bits definitely don't look right (unless the kernel's playing tricks with unused address bits; I'll have to check the RM523x data sheet to see if they have any effect). Have any of the MIPs experts commented ? > > BadVA : 9b64000001014c87 > P.