On Sunday 12 February 2006 18:08, Roberto Nibali wrote:
> Hello,
>
> For a while I've been working on a little tool called mpt-status to be
> able to monitor LSI based controllers. The source can be found here:
>
> http://www.drugphish.ch/~ratz/mpt-status/
>
> The issue I'm trying to track down now is why I cannot get it to work on
> a x86_64 kernel (Sun Fire V20z with AMD Opteron(tm) Processor 252 on
> SLES 9 PL3). I suspect 32/64 bit issues between in my ioctl message
> passing between user space and kernel space.
Quite possible. The mpt ioctls would need a ioctl conversion handler
to allow a 32bit program to use the 64bit ioctls. Or just use a 64bit
executable.
> Unfortunately when I strace
> the kernel spits out tons of following entries:
Some kernel versions printed that with strace. I think I fixed it in
mainline, but I can't remember if it was fixed in SLES9 too (apparently not)
It's fairly harmless, just ignore it. If it really bothers you you can
turn it off with echo 0 > /proc/sys/debug/exception-trace
>
> Attached is a small code style cleanup patch that resulted from my
> skimming through the arch/x86_64/kernel/traps.c code to figure out what
> went haywire. If Andi is ok with it, please consider applying.
Hmm, ok applied.
-Andi
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