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Re: pthreads problems


>>>>> kd  writes:

 > Hi,
 > I am having a strange problems with linuxthreads in glibc2.1.2.
 > The setup: Linux 2.2.5 for embedded ppc board (MPC823), library Glibc2.1.2
 > with cache size patch and soft-float patch applied, glibc2.1.2 compiled
 > with gcc 2.95.2 crosscompiler from i386-linux host.
 > The problem is that programs using threads hang on pthread_create() call.

 > If I run the same program (compiled against glibc 2.1.2) and run it on
 > older compilation of glibc version 2.1.1 the programs do not hang on
 > pthreads_create but crash instead
 > when the last thread stops running. I have though not been able to
 > reproduce that behaviour in a simple program but it happens always in the
 > more complex c++ code.

 > The same programs work fine compiled on a Debian 2.1 system with glibc
 > 2.1.2 installed and gcc 2.95.2 or when compiled in vanilla Debian 2.1.

 > I know this is vague description of the problem, but because of memory
 > constraints I am not able to run gdb on my MPC823 board, and hence unable
 > to give stack traces.

 > I noticed that there have been some updates to the linuxthreads in the CVS.
Please use the glibc-2-1-branch - don't use the main branch.
 > Is it safe for my to get the lates version of linuxthreads (and the new
 > linuxthreads_db) directories and
 > compile them against the othervise unchanged (sans cache patch) glibc 2.1.2
 > source tree or are there changes pthreads related changes in the rest of
 > the glibc source tree?
I would be suprised if it works.  Just get the whole glibc 2.1.3 CVS
version.

 > Or is it just a pipedream that these lates changes might fix this problem I
 > am having.
Your report is to vague to say anything.

Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.rhein-neckar.de

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