[OpenAFS-devel] Stack overflow

[Jeffrey Altman]

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Are you using the LWP or pthread version of rx?
The pthread version is libafsrpc which is what I expect you want in most
circumstances.

Jeffrey Altman

On 8/2/2010 8:46 AM, Richard Low wrote:
> Hi all,
>=20
> I'm using the openafs Rx code in a standalone application and have run
> into some multithreading issues.  It seems that the build on my system
> is not thread safe, and I get stack overflow errors whenever I have
> multiple client threads.  I also get the same error when using a server=

> & client within the same process.
>=20
> An example output:
>=20
> stackcheck =3D 50462976: stack =3D 50462976
> topstack =3D 0x2cce43ec: stackptr =3D 0x7dde2010: stacksize =3D 0x48000=

> Wed Jul 28 08:53:39 2010 LWP: stack overflow in process IO MANAGER!
> Aborted
>=20
> My afs-sysname is amd64_linux26, running on CentOS 5.5.  My configure
> command:
>=20
> ./configure --with-afs-sysname=3Damd64_linux26 --prefix=3D/usr
> --libdir=3D/usr/lib64 --bindir=3D/usr/bin --sbindir=3D/usr/sbin
> --disable-strip-binaries --with-krb5-conf=3D/usr/kerberos/bin/krb5-conf=
ig
> --enable-redhat-buildsys --enable-transarc-paths
>=20
> This shows on openafs version 1.4.12.1 and 1.5.75.  I've tried setting
> various #defines (such as USE_UCONTEXT as suggested earlier on this
> list) but haven't had any success.
>=20
> Am I doing something wrong with my build?  Or has multithreaded support=

> broken? I can provide a small C file that demonstrates the crash.
>=20
> Many thanks,
>=20
> Richard.


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