[OpenAFS] Problems after Linux kernel upgrade 2.2 -> 2.4

[Derek Atkins]

Which version of OpenAFS are you using?  ISTR a problem with an
unitialized semaphore, but I don't know if that's an issue or not.
You might want to compare the inode initialization function in libafs
vs. the one in the kernel to make sure everything is correct.

-derek

cg@cdegroot.com (Cees de Groot) writes:

> Last week, I upgraded my kernel to 2.4 (SuSE 7.3 SMP kernel), and since then I
> cannot run executables residing in AFS anymore. Whenever I call a program, 
> like 'klog', the network monitor (I'm over a 64k dialup line) shows a bit of
> activity, but quickly after that the process starts eating 99% CPU time:
> 
>   PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM   TIME COMMAND
>  1259 root      15   0     8    8     0 R    99.9  0.0   3:44 klist
> 
> If I access the file a second time, everything hangs. I can open other
> files, though (reading textfiles, walking the directory hierarchy, etcetera).
> 
> As I've had some problems with building multiple kernel variants of
> libafs in a single source tree, I removed my build tree and started from
> a fresh source tarball so I am pretty sure that I am running the correct
> version of the libafs kernel module (how sensitive is libafs anyway
> against mismatches between /usr/src/linux and the running kernel? I do have
> a kernel source tree that results in the same system name and seems to have
> the most important .config variables the same - is that enough or not?). Could
> someone please give me a hint about what I'm doing wrong here?
> 
> OpenAFS 1.2.2
> SuSE 7.3 with SuSE-supplied
> kernel 2.4.10-64GB-SMP #1 SMP Fri Sep 28 17:26:36 GMT 2001 i686 unknown
> 
> -- 
> Cees de Groot               http://www.cdegroot.com     <cg@cdegroot.com>
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-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
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