Greg 'groggy' Lehey
grog at FreeBSD.org
Wed Nov 29 08:00:31 UTC 2006
Sorry for the slow response; I wanted to check with our machine, and
it was needed for other things.
On Wednesday, 22 November 2006 at 17:30:35 -0500, Randy Pratt wrote:
> On Thu, 23 Nov 2006 08:41:36 +1030 Greg 'groggy' Lehey <grog at FreeBSD.org> wrote:
>> On Wednesday, 22 November 2006 at 16:51:41 -0500, Randy Pratt wrote:
>>> I've had several freezes/hangs where the system is unresponsive and
>>> keyboard won't accept input forcing a power recycling and fsck.
>> This seems more than just cxm, then.
>> In general, if you're seeing this kind of behaviour, the output of
>> 'ps l' is of interest. The WMCHAN field gives information about where
>> (and maybe how) the process is waiting.
> # ps -auxwwl | grep cxm
> root 1156 0.7 0.1 1280 664 p1 S+ 5:24PM 0:00.30 cat /dev/cxm0 0 821 0 0 0 cmxrd
> root 826 0.0 0.0 0 8 ?? WL 4:33PM 0:00.03 [irq19: cxm0] 0 0 0 -60 0 -
OK, this looks pretty much like lack of input. cat is waiting for the
completion of a read operation.
>> When I get access to our PVR 250 later today, I'll compare some of
>> your other data.
> Great! I'd appreciate anything you can look at. I'm also willing to
> do any sort of patching/testing if needed. The box isn't anything
Unfortunately, I can't see anything like this in our application.
There are plenty of other bugs, but I suspect that they're mainly of
our own making.
See complete headers for address and phone numbers.
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