Kernel Panics on HP ze4145
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#148 Kernel Panics on HP ze4145
I have an HP ze4145 notebook, and I have seen some
posts on here where other people are having problems
with the PCMCIA service not working on the ze4100
series. I also saw that most people took their laptops
back instead of waiting for a fix. I know you mentioned in
one post that the problem is in the BIOS, but I was
hoping there may be some hack job work around that I
may be able to use in the interim. HP "doesn't support
Linux on their notebooks" so who knows how long it will
be before(if) they ever fix the problem. Any assistance
you may be able to provide would be greatly appreciated.
Thanks,
Brandon Williams
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I don't know which posts you refer to and I'm not sure how to
find them (my search attempts didn't turn up anything). Can
you be more specific about exactly where you saw these
other problem reports? Since I don't remember what the
problem is, it is hard for me to give any specific advice.
-- Dave
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Sorry for not giving the details initially. I had seen a post
regarding (I think) the same issue I am having, but I don't
mind at all starting from the beginning. On my ze4145, when
I start the PCMCIA services if I don't specify the nomce
option at boot time, I get a kernel panic when the service is
started. If I pass the nomce option, the service appears to
start fine and says it is monitoring one slot, but it's not
working still. In the messages or dmesg (can't remember
100%) there is a message that the pcmcia card bus has
interrupt 5 but needs interrupt 11. I tried using IRQ
exclusions in the /etc/services/pcmcia file, but it didn't help
out any. It seems like there should be a way to work around
the problem, but I am not an expert when it comes to
pcmcia. I may not have covered all the information you need
to help diagnose the problem, so let me know if you need
something more specific and I will be more than happy to
send you the information you need. Thanks a bunch for
getting back to me.
Sincerely,
Brandon Williams
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Can you show the output of 'lspci -v', and the output
of 'dump_pirq' (which you can get from the pcmcia-cs
package in the debug-tools subdirectory)
-- Dave
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I have attached the requested output. The dump_pirq utility
didn't seem to work right. I have attached the output from that
as well for you to review. Let me know if there is any
additional information you need. Thanks,
Brandon
lspci -v
dump_pirq
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I don't guess I let the last dump_pirq run long enough. The
dump_pirq2.out should be the output you requested. Sorry
about that.
Good dump_pirq
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I have no idea what the first dump_pirq output is. The second
looks like the output of dump_pirq but the contents are
gibberish. I did a google search and found:
http://forums.itrc.hp.com/cm/QuestionAnswer/1,,0x2debcdec0
6f1d61190050090279cd0f9,00.html
which suggests that (if you are using Red Hat) the problem
might be fixed by putting:
CORE_OPTS="probe_io=0"
in /etc/sysconfig/pcmcia.
-- Dave
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I was finally able to try the workaround you suggested, but
all it didn't help. I am not getting the kernel panics now
that I am using the 3.2.3 (I think) pcmcia-cs, but the cards
still aren't bering recognized. I noticed you have a new
version in development. Any possibility this may help out?
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Can you show me system log messages?
- Dave
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Sorry I haven't responded in a while. I have been pretty busy
with trying to buy a house. I will get you system messages
soon. Thanks for being patient.