Re: glibc-2.5 test suite hangs/crashes the machine

[Jeff Bailey <jbailey@ubuntu.com>]

Le vendredi 27 octobre 2006 =C3=A0 07:56 +0200, Fabio Massimo Di Nitto a
=C3=A9crit :
> Hi everybody,
>=20
> i am in the process of bootstrapping the new toolchain for ubuntu and I a=
m
> hitting a problem building glibc-2.5 on ppc.
>=20
> This behaviour has been reproduced on 2.6.15/2.6.17 and 2.6.19-rc2 (where=
 the
> machine crashes) and with ppc32 and ppc64 kernels.
> A hard reboot of the machine is required to get rid of the Zl processes h=
anging
> around that keep spinning the CPU at 100%.
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> I did place sources here: http://people.ubuntu.com/~fabbione/benh/
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> but i start to believe it is a kernel bug we are exploiting only now.
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> Any hint or help for what to look for would be extremely appreciated.

Heya Fabio, just an update, it looks like the tests that are zombie'ing
are the nptl tst-robust[1-8] tests.  According to /proc/##/wchan, the
tasks are cheerfully spinning in do_exit.

If there's other info I can get you, lemme know.

--=20
Jeff Bailey
Manager, Technical Support
Canonical Ltd. - Sales, Service, and Support.
+1 514 940-8910
http://www.ubuntu.com/