[Gluster-devel] corrupted hash table

[Raghavendra Gowdappa]

Hi Emmanuel,

Is it possible to get valgrind reports (or a test case which caused this crash)? The inode table is corrupted in this case.

regards,
Raghavendra
----- Original Message -----
> From: "Emmanuel Dreyfus" <manu at netbsd.org>
> To: gluster-devel at gluster.org
> Sent: Wednesday, May 21, 2014 12:43:50 PM
> Subject: Re: [Gluster-devel] corrupted hash table
> 
> Nobody has an idea on this one?
> 
> > This is master branch, client side:
> > 
> > Program terminated with signal 11, Segmentation fault.
> > #0  uuid_unpack (in=0xffffffc0 <Address 0xffffffc0 out of bounds>,
> >     uu=0xbf7fd7b0) at ../../contrib/uuid/unpack.c:43
> > 
> > warning: Source file is more recent than executable.
> > 43              tmp = *ptr++;
> > (gdb) print tmp
> > Cannot access memory at address 0xffffffc0
> > (gdb) bt
> > #0  uuid_unpack (in=0xffffffc0 <Address 0xffffffc0 out of bounds>,
> >     uu=0xbf7fd7b0) at ../../contrib/uuid/unpack.c:43
> > #1  0xbb788f63 in uuid_compare (
> >     uu1=0xffffffc0 <Address 0xffffffc0 out of bounds>,
> >     uu2=0xb811f938 "k\350_6") at ../../contrib/uuid/compare.c:46
> > #2  0xbb769993 in __inode_find (table=0xbb213368, gfid=0xb811f938
> > "k\350_6")
> >     at inode.c:763
> > #3  0xbb769cdc in __inode_link (inode=0x5a70b768, parent=<optimized out>,
> >     name=0x5a7e3148 "conf24746.file", iatt=0xb811f930) at inode.c:831
> > #4  0xbb769f3f in inode_link (inode=0x5a70b768, parent=0x5af47728,
> >     name=0x5a7e3148 "conf24746.file", iatt=0xb811f930) at inode.c:892
> > #5  0xbb36bdaa in fuse_create_cbk (frame=0xba417c44, cookie=0xbb28cb98,
> >     this=0xb9cbe018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
> >     buf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00, xdata=0x0)
> >     at fuse-bridge.c:1888
> > #6  0xb92a30a0 in io_stats_create_cbk (frame=0xbb28cb98, cookie=0xbb287418,
> >     this=0xb9df2018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
> >     buf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00, xdata=0x0)
> >     at io-stats.c:1260
> > #7  0xb92afd80 in mdc_create_cbk (frame=0xbb287418, cookie=0xbb28d7d8,
> >     this=0xb9df1018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
> >     buf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00, xdata=0x0)
> >     at md-cache.c:1404
> > #8  0xb92c790f in ioc_create_cbk (frame=0xbb28d7d8, cookie=0xbb28b008,
> >     this=0xb9dee018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
> >     buf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00, xdata=0x0)
> >     at io-cache.c:701
> > #9  0xbb3079ba in ra_create_cbk (frame=0xbb28b008, cookie=0xbb287f08,
> >     this=0xb9dec018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
> >     buf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00, xdata=0x0)
> >     at read-ahead.c:173
> > #10 0xb92f66b9 in dht_create_cbk (frame=0xbb287f08, cookie=0xbb28f988,
> >     this=0xb9cff018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
> >     stbuf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00,
> >     xdata=0x5c491028) at dht-common.c:3942
> > #11 0xb932fa22 in afr_create_unwind (frame=0xba40439c, this=0xb9cfd018)
> >     at afr-dir-write.c:397
> > #12 0xb9330a02 in __afr_dir_write_cbk (frame=0xba40439c, cookie=0x2,
> >     this=0xb9cfd018, op_ret=0, op_errno=0, buf=0xbf7fdfe4,
> >     preparent=0xbf7fdf7c, postparent=0xbf7fdf14, preparent2=0x0,
> >     postparent2=0x0, xdata=0x5cb61ea8) at afr-dir-write.c:244
> > #13 0xb939a401 in client3_3_create_cbk (req=0xb805f028, iov=0xb805f048,
> >     count=1, myframe=0xbb28e4f8) at client-rpc-fops.c:2211
> > #14 0xbb7daecf in rpc_clnt_handle_reply (clnt=0xb9cd93b8,
> > pollin=0x5a7dbe38)
> >     at rpc-clnt.c:767
> > #15 0xbb7db7a4 in rpc_clnt_notify (trans=0xb80a7018, mydata=0xb9cd93d8,
> > ---Type <return> to continue, or q <return> to quit---
> >     event=RPC_TRANSPORT_MSG_RECEIVED, data=0x5a7dbe38) at rpc-clnt.c:895
> > #16 0xbb7d7d9c in rpc_transport_notify (this=0xb80a7018,
> >     event=RPC_TRANSPORT_MSG_RECEIVED, data=0x5a7dbe38) at
> >     rpc-transport.c:512
> > #17 0xbb3214ab in socket_event_poll_in (this=0xb80a7018) at socket.c:2120
> > #18 0xbb3246fc in socket_event_handler (fd=16, idx=4, data=0xb80a7018,
> >     poll_in=1, poll_out=0, poll_err=0) at socket.c:2233
> > #19 0xbb7a4c9a in event_dispatch_poll_handler (i=4, ufds=0xbb285118,
> >     event_pool=0xbb242098) at event-poll.c:357
> > #20 event_dispatch_poll (event_pool=0xbb242098) at event-poll.c:436
> > #21 0xbb77a160 in event_dispatch (event_pool=0xbb242098) at event.c:113
> > #22 0x08050567 in main (argc=4, argv=0xbf7fe880) at glusterfsd.c:2023
> > (gdb) frame 2
> > #2  0xbb769993 in __inode_find (table=0xbb213368, gfid=0xb811f938
> > "k\350_6")
> >     at inode.c:763
> > 763                     if (uuid_compare (tmp->gfid, gfid) == 0) {
> > (gdb) list
> > 758                     return table->root;
> > 759
> > 760             hash = hash_gfid (gfid, 65536);
> > 761
> > 762             list_for_each_entry (tmp, &table->inode_hash[hash], hash) {
> > 763                     if (uuid_compare (tmp->gfid, gfid) == 0) {
> > 764                             inode = tmp;
> > 765                             break;
> > 766                     }
> > 767             }
> > --
> > Emmanuel Dreyfus
> > http://hcpnet.free.fr/pubz
> > manu at netbsd.org
> > _______________________________________________
> > Gluster-devel mailing list
> > Gluster-devel at gluster.org
> > http://supercolony.gluster.org/mailman/listinfo/gluster-devel
> 
> --
> Emmanuel Dreyfus
> manu at netbsd.org
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