Rodrigo Campos wrote:
On Tue, Nov 17, 2009 at 12:01:08AM +0100, Erik Rull wrote:
Erik Rull wrote:
Any Ideas? I also tested other IRQ lines and other ttyS* on the
system - same behaviour.
fixed, apic on host side was disabled, kvm / qemu seems to need it.
I think I hit the same issue. What did you do exactly to solve it ? Enable a
kernel option ? May I ask which one ? :)
Sorry, I dont have the hardware right now (so I can't play with apic options). I
will have it in a few weeks, so that's why I am asking :)
I enabled the APIC stuff in Kernel and removed my lapic noapic boot
parameters. APIC is enabled if you look into /proc/interrupts and the IRQ
type is something with apic and not pc / xt.
Also ensure that the IRQ line of the serial port matches those of your
linux drivers! Otherwise the interrupt gets lost and you'll see some
strange behaviours (Chars missing, delayed responses,...).
Best regards,
Erik
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