[OpenAFS-devel] Re: Weird interaction between libnss-afs and aklog

[Jakub Witkowski]

Dnia 2009-11-24, o godz. 10:36:29
Derrick Brashear <shadow@gmail.com> napisa=C5=82(a):

> On Tue, Nov 24, 2009 at 10:31 AM, Andrew Deason
> <adeason@sinenomine.net> wrote:
> > On Tue, 24 Nov 2009 15:53:28 +0100
> > Jakub Witkowski <jpw@wszib.edu.pl> wrote:
> >
> >> The backtrace follows:
> >> Program received signal SIGSEGV, Segmentation fault.
> >> [Switching to Thread 0x7fd9c68ac700 (LWP 22199)]
> >> 0x000000000042713f in rxi_Start (event=3D0x0, arg0=3D0x1380e00,
> >> arg1=3D0x0, istack=3D0) at rx.c:5287 5287 =C2=A0 =C2=A0 =C2=A0 struct =
rx_peer *peer =3D
> >> call->conn->peer; (gdb) backtrace
> >> #0 =C2=A00x000000000042713f in rxi_Start (event=3D0x0, arg0=3D0x1380e0=
0,
> >> arg1=3D0x0, istack=3D0) at rx.c:5287 #1 =C2=A00x00007fd9c4bff4f0 in
> >> rxi_ReadProc () from /lib/libnss_afs.so.2 #2 =C2=A00x00007fd9c4bffa70 =
in
> >
> > Okay, yeah, you're in libnss-afs. Talk to Adam Megacz, or wherever
> > libnss-afs bugreports should go.
> >
> >> For me, it's intriguing that this /only/ happens for aklog. I have
> >> tested various other tools, including a short test program to
> >> directly test of getuid and getpwuid, everything works like it
> >> should.
> >
> > I would guess there's some odd interactions between applications
> > that use RX that make calls into libnss-afs, but I wouldn't know.
>=20
> There are, especially when mixing pthread and lwp Rx.
>=20
> I had this fun with PAM in the 1990s.
>=20

Should I assume that this library is considered deprecated? If so, can
you point me to any similar tools? I would very much like to remove
dependency of our lab systems on ldap.

Jakub Witkowski