[OpenAFS-devel] Linux client 2.6.38 and above hangs

[Marc Dionne]

On Sat, Apr 30, 2011 at 07:19, Markus Suvanto <markus.suvanto@gmail.com> wr=
ote:
>
> Openafs client (openafs-stable-1_4_x, openafs-stable-1_6_x =A0and master =
branch)
> hangs if linux kernel is 2.6.38 or newer. The openafs kernel module
> compiles and client stars OK but computer totally hangs if I try to compi=
le
> linux kernel under /afs/path/to/kernel-2.6
>
> Way to reproduce...
> 1) Compile latest kernel and openafs kernel module
> 2) Start openafs afs (For example I use: afsd =A0-memcache -dynroot
> -confdir /etc/openafs -fakestat)
> 3) cd /afs/path/to/
> 4) git clone /usr/src/linux-2.6
> 5) cd /afs/path/to/kernel-2.6
> 6) make -j3
>
> Sometimes "make -j1" takes longer time until it hang.
> I can reproduce this using kvm virtual machine or
> using real machine. There are no dmesg, log messages or nothing.
> Under kvm cpu load of qemu-system-x86 process goes 100% and kvm
> guest is totally dead. The latest kernel what I have test is
> 2.6.39-rc4-00089-g2f666bc
> using openafs c721bff5035b6e2d87e10be0f4711133b33dc5dc
>
> -Markus

Could you share the .config you use to build your kernel?

Marc