Re: isa0060/serio0 problems -WAS- Re: Asus MB and 2.6.12 Problems

From: Vojtech Pavlik
Date: Sun Jul 31 2005 - 13:46:50 EST

On Sat, Jul 30, 2005 at 02:34:53AM -0400, Frank Peters wrote:
> On Fri, 29 Jul 2005 21:37:24 -0700
> Andrew Morton <akpm@xxxxxxxx> wrote:
> >
> > So I dunno, sorry. Brute-force it with a git bisection search, perhaps?
> I compiled 2.6.13-rc4 with ACPI debugging enabled.
> During a failed boot, when the keyboard was unresponsive, I managed
> to capture a kernel log of this failure. Here are the lines that caught
> my attention:
> kernel: i8042.c: Can't read CTR while initializing i8042.
> kernel: Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
> kernel: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> kernel: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
> kernel: ACPI: PCI Interrupt 0000:02:0a.0[A] -> GSI 22 (level, low) -> IRQ 16
> kernel: ttyS2 at I/O 0xb800 (irq = 16) is a 16550A
> This error/warning message does not occur all the time, but it
> has appeared at least twice during my brief experimentation and
> I would consider it something that can be duplicated.
> So far it is the only anomoly that I have seen anywhere, but it may
> be more a result of the problem rather than the cause.

Please try 'usb-handoff' on the kernel command line. This looks like an
usual symptom on machines that need it.

Vojtech Pavlik
SuSE Labs, SuSE CR
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