On Sat, Aug 6, 2011 at 00:32, Michael Schmitz <schmitzmic@xxxxxxxxxxxxxx> wrote:
there is a pattern to this - most of the times the watchdog fires when the
IDE interface is probed. In that case we have TSR=0x3, ISR=0x3 (need to
look up what that means in the driver headers).
Other times, it is either the floppy interface getting probed, or in one
case, the mouse. The TSR is different there (0x5).
It appears interrupts from the card get lost when other drivers disable
interrupts for too long. I'd go back to a version of the kernel before we
moved to the genirq framework (that was at the end of May this year). If
that still works, bisect from there (man git-bisect) to find the approximate
commit that broke Amiga ethernet.
If you cannot use git-bisect, I'd have to build kernels for you to test
again and again until we find the last one that works - quite slow a
procedure but it might be the only thing.
Geert: is the genirq change simple to back out, just for tests?
The genirq conversion is not complete, and not yet on the master branch.
So it's unrelated.
On 05/08/11 23:53, Tuomas Vainikka wrote:
On 08/04/2011 11:45 PM, Michael Schmitz wrote:
On Fri, Aug 5, 2011 at 4:59 AM, Tuomas Vainikka
<tuomas.vainikka@xxxxxxxx> wrote:
Hello,
The other network drivers were previously compiled as modules, and I
only
had apne built-in.
Now I removed the other drivers being built in any way, but I still get
an
error:
Is there a way to get timestamps logged with each of the entries in
the call trace below (i.e. could we rig some profiling code for that)?
Would be interesting to know where exactly the kernel was spinning
when the watchdog fired. But maybe that's obvious to someone.
Are there potential deadlocks with printk called from softirq context
(I think not ...)? What is the message printed immediately after the
trace?
I've attached full dmesg outputs from ten sequential boots with the kernel
config.
You can see that the trace can happen any time, or not at all.
Last - has anyone ever tried to bisect this?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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