[Gluster-devel] tests/basic/ec/ec-3-1.t generated core

[Xavier Hernandez]

The failure happens when a statedump is generated. For some reason 
priv->active_subvol is NULL, causing a segmentation fault:

(gdb) t 1
[Switching to thread 1 (LWP 4179)]
#0  0x00007f75dae83137 in fuse_itable_dump (this=0x2079be0) at 
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/mount/fuse/src/fuse-bridge.c:4988
4988            inode_table_dump(priv->active_subvol->itable,
(gdb) bt
#0  0x00007f75dae83137 in fuse_itable_dump (this=0x2079be0) at 
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/mount/fuse/src/fuse-bridge.c:4988
#1  0x00007f75e30f8a11 in gf_proc_dump_xlator_info (top=0x2079be0) at 
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/statedump.c:506
#2  0x00007f75e30f96e9 in gf_proc_dump_info (signum=10, ctx=0x2055010) 
at 
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/statedump.c:832
#3  0x0000000000409894 in glusterfs_sigwaiter (arg=0x7ffceb7dba50) at 
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/glusterfsd/src/glusterfsd.c:2015
#4  0x00007f75e23a6a51 in start_thread () from ./lib64/libpthread.so.0
#5  0x00007f75e1d1093d in clone () from ./lib64/libc.so.6
(gdb) list
4983                     return -1;
4984
4985            priv = this->private;
4986
4987            gf_proc_dump_add_section("xlator.mount.fuse.itable");
4988            inode_table_dump(priv->active_subvol->itable,
4989                             "xlator.mount.fuse.itable");
4990
4991            return 0;
4992    }
(gdb) print priv->active_subvol
$5 = (xlator_t *) 0x0

Does this sound familiar to anyone ?

Xavi

On 14/01/16 08:08, Xavier Hernandez wrote:
> I'm looking it.
>
> On 14/01/16 08:03, Atin Mukherjee wrote:
>> [1] has caused a regression failure with a core from the mentioned test.
>> Mind having a look?
>>
>> [1]
>> https://build.gluster.org/job/rackspace-regression-2GB-triggered/17579/consoleFull
>>
>>
>> Thanks,
>> Atin
>>
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