[Gluster-users] Status of the SAMBA module

[haiwei.xie-soulinfo]

On Wed, 07 Aug 2013 00:11:32 +0530
Vijay Bellur <vbellur at redhat.com> wrote:

> On 08/06/2013 05:09 PM, haiwei.xie-soulinfo wrote:
> > Hi,
> > 
> > Unfortunately, add the two params into smb.conf, nfs client OS will core dump with dd testing.
> > I reconfigure gluster vol, without any new params in smb.conf, performance looks good. Maybe
> > former low performance result from error config.
> > 
> > [root at infi131 cifs]# dd if=/dev/zero of=t1 bs=64k count=100000
> > 记录了100000+0 的读入
> > 记录了100000+0 的写出
> > 6553600000字节(6.6 GB)已复制，21.3123 秒，308 MB/秒
> > 
> > 
> > bugs:
> > 1, dd bs > 128K,  glusterfs brick log shows client disconnect, I guess api caller crash.
> > in /var/log/samba/cores, may core files.
> 
> Can you please provide backtrace from any of the cores if possible?

Core was generated by `smbd -D'.
Program terminated with signal 6, Aborted.
#0  0x00007fca7bb888a5 in ?? ()
Missing separate debuginfos, use: debuginfo-install samba-3.6.9-151.el6.x86_64
(gdb) where
#0  0x00007fca7bb888a5 in ?? ()
Cannot access memory at address 0x7ffff76d1668
(gdb) bt
#0  0x00007fca7bb888a5 in ?? ()
Cannot access memory at address 0x7ffff76d1668

gdb core files, but miss debug info, debuginfo-install reports not found debuginfo pkg.
Maybe I need update yum resp? 

> 
> > 
> > 2, some times, nfs client OS core dump.
> > 
> > crash kernel log like:
> > Aug  6 11:06:36 infi131 kernel: INFO: task dd:3146 blocked for more than 120 seconds.
> > Aug  6 11:06:36 infi131 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Aug  6 11:06:36 infi131 kernel: dd            D 0000000000000000     0  3146   2754 0x00000084
> > Aug  6 11:06:36 infi131 kernel: ffff880125b55cd8 0000000000000082 0000000000000000 fff880123fc0<>ff802b5f ffff065fff802117 ff813fc3<>ff803c4f ff8155f8000000f8 ff819b58<>alTae
> > Aug  6 11:10:36 infi131 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Aug  6 11:10:36 infi131 kernel: dd            D 0000000000000000     0  3146   2754 0x00000084
> > Aug  6 11:10:36 infi131 kernel: ffff880125b55cd8 0000000000000082 0000000000000000 ffff8801231f1c10
> > Aug  6 11:10:36 infi131 kernel: ffff880125b55cf8 ffffffffa046c50f ffff8801231f1c72 ffff8801231f1c73
> > Aug  6 11:10:36 infi131 kernel: ffff880139cb45f8 ffff880125b55fd8 000000000000fb88 ffff880139cb45f8
> > Aug  6 11:10:36 infi131 kernel: Call Trace:
> > Aug  6 11:10:36 infi131 kernel: [<ffffffffa046c50f>]? ciswieae+x2/x8 cf]<>[ffff819d>  ycpg+x/x0<>[ffff85d7> oshdl+x30c
> > Aug  6 11:14:21 infi131 kernel: ipmi device interface
> > 
> 
> Is this a nfs client mounting gluster nfs server?

A linux client, CentOS6.4, mount samba-glusterfs-vfs patched samba server. thx.

terrs. 

> 
> Thanks,
> Vijay
>