[Gluster-users] Strange server locks isuess with 2.0.7 - updating

[Marek]

Andre Felipe Machado wrote:
> Hello,
> Try to disable flush behind option.
> It behaves *badly* with slow speed net, drives and machines...
> It can cause the cited lock up behaviour.
> Your server got caught in I/O dead lock.
> Regards.
> Andre Felipe Machado
> http://www.techforce.com.br

Thanks, we tried disable flush behind option (we switch to a default writebehind options) but after
a couple of hours glusterfs (on client) died with signall 11:

pending frames:
frame : type(1) op(LOOKUP)

patchset: v2.0.7
signal received: 11
time of crash: 2009-11-14 03:37:28
configuration details:
argp 1
backtrace 1
dlfcn 1
fdatasync 1
libpthread 1
llistxattr 1
setfsid 1
spinlock 1
epoll.h 1
xattr.h 1
st_atim.tv_nsec 1
package-string: glusterfs 2.0.7
[0xffffe400]
/lib/tls/libc.so.6(calloc+0x8e)[0xb7dcfffe]
/usr/local/lib/glusterfs/2.0.7/xlator/cluster/replicate.so(afr_lookup+0x32)[0xb74dfd12]
/usr/local/lib/glusterfs/2.0.7/xlator/cluster/distribute.so(dht_lookup_directory+0x10a)[0xb74ce21a]
/usr/local/lib/glusterfs/2.0.7/xlator/cluster/distribute.so(dht_lookup_cbk+0x10e)[0xb74d3d9e]
/usr/local/lib/glusterfs/2.0.7/xlator/cluster/replicate.so(afr_lookup_cbk+0x47b)[0xb74e0a7b]
/usr/local/lib/glusterfs/2.0.7/xlator/protocol/client.so(client_lookup_cbk+0x334)[0xb751ca84]
/usr/local/lib/glusterfs/2.0.7/xlator/protocol/client.so(protocol_client_interpret+0x1ef)[0xb750c91f]
/usr/local/lib/glusterfs/2.0.7/xlator/protocol/client.so(protocol_client_pollin+0xcd)[0xb750cb1d]
/usr/local/lib/glusterfs/2.0.7/xlator/protocol/client.so(notify+0x23c)[0xb751359c]
/usr/local/lib/glusterfs/2.0.7/transport/socket.so(socket_event_poll_in+0x3c)[0xb74abb2c]
/usr/local/lib/glusterfs/2.0.7/transport/socket.so(socket_event_handler+0xa3)[0xb74abf73]
/usr/local/lib/libglusterfs.so.0[0xb7ed7409]
/usr/local/lib/libglusterfs.so.0(event_dispatch+0x21)[0xb7ed6251]
glusterfs(main+0xc4f)[0x804bb3f]
/lib/tls/libc.so.6(__libc_start_main+0xc8)[0xb7d7cea8]
glusterfs[0x8049d71]
---------
================================================================================
Version      : glusterfs 2.0.7 built on Nov  5 2009 12:49:05
git: v2.0.7
Starting Time: 2009-11-16 12:41:08
Command line : glusterfs --log-file=/var/log/gluster-client -f /usr/local/etc/glusterfs/glusterfs-client.vol /var/glustertest/
PID          : 28270
System name  : Linux
Nodename     : mb
Kernel Release : 2.6.26.2
Hardware Identifier: i686