[cfarm-users] cfarm427 and cfarm430 crashing

[Segher Boessenkool]

Hi!
On Mon, Jun 23, 2025 at 12:01:59AM +0900, Luke Yasuda via cfarm-users wrote:
> On 2025-06-20 14:19, Pierre Muller via cfarm-users wrote:
> >  Is it a problem that these interrupted tests generate a dmesg entry?
> 
> Oh, that's what it was. It's not a problem to me, but if a test takes 
> too long and eventually will be killed, maybe it should've been disabled 
> (not run at all) in the first place?

No, that is exactly the reason such test exist: some things do not
finish, while they should, that is a bug, it is worth tracking.

> >  I didn't find any 'panic' containing lines on gcc427 inside 
> >/var/log/messages file.
> 
> Me neither, it seems that cfarm427 could not log the panic to the file 
> system. But the panic did happen. I saw it on the serial console.

Do you have any idea what is causing these panics?

> >  Do you suspect a link between the CPU exceeded time messages and the 
> >crashes you are reporting?
> >Should I disable the testsuite on gcc430?
> >
> >  I sincerely hope that the troubles are not due
> >to the scripts that I run on these test machines.
> 
> I hope not too, I don't believe the free pascal test suites are the 
> cause of those kernel crashes. You don't have to disable all of them 
> (maybe just those very lengthy ones as you can tell).

No matter what they aren't the cause, the bug is elsewhere, but sure it
might be possible to get the machines more stable if we do not run such
testsuites on them anymore.  We have no indication that would be true
though :-)

> But fwiw, from the bug report you mentioned, a patch was committed, so I 
> (re)built world and kernel from HEAD. It had not been upgraded for about 
> 6+ months. We'll see.

Yup, we'll see.  Good luck!  Keep us in the loop, report back when you
know more?


Segher