[Bugs] [Bug 1379665] New: Ganesha crashes while removing files from clients.
bugzilla at redhat.com
bugzilla at redhat.com
Tue Sep 27 11:41:18 UTC 2016
https://bugzilla.redhat.com/show_bug.cgi?id=1379665
Bug ID: 1379665
Summary: Ganesha crashes while removing files from clients.
Product: Red Hat Gluster Storage
Version: 3.2
Component: nfs-ganesha
Keywords: Triaged
Severity: high
Assignee: kkeithle at redhat.com
Reporter: sraj at redhat.com
QA Contact: sraj at redhat.com
CC: bugs at gluster.org, jthottan at redhat.com,
kkeithle at redhat.com, ndevos at redhat.com,
rhs-bugs at redhat.com, skoduri at redhat.com,
storage-qa-internal at redhat.com
Depends On: 1374015, 1375564
+++ This bug was initially created as a clone of Bug #1374015 +++
Description of problem:
Ganesha crashes while removing files from clients.
Version-Release number of selected component (if applicable):
[root at dhcp43-116 ~]# rpm -qa|grep glusterfs
glusterfs-geo-replication-3.8.3-0.6.git7956718.el7.centos.x86_64
glusterfs-api-3.8.3-0.6.git7956718.el7.centos.x86_64
glusterfs-fuse-3.8.3-0.6.git7956718.el7.centos.x86_64
glusterfs-server-3.8.3-0.6.git7956718.el7.centos.x86_64
glusterfs-libs-3.8.3-0.6.git7956718.el7.centos.x86_64
glusterfs-client-xlators-3.8.3-0.6.git7956718.el7.centos.x86_64
glusterfs-ganesha-3.8.3-0.6.git7956718.el7.centos.x86_64
glusterfs-cli-3.8.3-0.6.git7956718.el7.centos.x86_64
glusterfs-debuginfo-3.8.3-0.6.git7956718.el7.centos.x86_64
glusterfs-3.8.3-0.6.git7956718.el7.centos.x86_64
[root at dhcp43-116 ~]# rpm -qa|grep ganesha
nfs-ganesha-gluster-next.20160827.7641daf-1.el7.centos.x86_64
glusterfs-ganesha-3.8.3-0.6.git7956718.el7.centos.x86_64
nfs-ganesha-debuginfo-next.20160827.7641daf-1.el7.centos.x86_64
nfs-ganesha-next.20160827.7641daf-1.el7.centos.x86_64
How reproducible:
Twice
Steps to Reproduce:
1.Create large number of files on a dist-rep volume via v4 ganesha mount from 2
different clients.
2.Start removing different set of files simultaneously from both the clients.
3.Observe that while removal is in progress, ganesha crashes on the mounted
node with below bt:
(gdb) bt
#0 0x00007f937af59c5f in __inode_ctx_free (inode=inode at entry=0x7f9356c9fe24)
at inode.c:332
#1 0x00007f937af5ae42 in __inode_destroy (inode=0x7f9356c9fe24) at inode.c:353
#2 inode_table_prune (table=table at entry=0x7f9360103f30) at inode.c:1543
#3 0x00007f937af5b124 in inode_unref (inode=0x7f9356c9fe24) at inode.c:524
#4 0x00007f937b232216 in pub_glfs_h_close (object=0x7f925400f660)
at glfs-handleops.c:1365
#5 0x00007f937b64a929 in handle_release (obj_hdl=0x7f92540308f8)
at /usr/src/debug/nfs-ganesha/src/FSAL/FSAL_GLUSTER/handle.c:70
#6 0x00007f937fd1caf4 in mdcache_lru_clean (entry=0x7f924cd8f060)
at
/usr/src/debug/nfs-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_lru.c:421
#7 mdcache_lru_get (entry=entry at entry=0x7f92e94e1a70)
at
/usr/src/debug/nfs-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_lru.c:1229
#8 0x00007f937fd268b6 in mdcache_alloc_handle (fs=0x0,
sub_handle=0x7f924802e358, export=0x7f9380e0fab0)
at
/usr/src/debug/nfs-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_helpers.c:117
#9 mdcache_new_entry (export=export at entry=0x7f9380e0fab0,
---Type <return> to continue, or q <return> to quit---
sub_handle=0x7f924802e358, attrs_in=attrs_in at entry=0x7f92e94e1bd0,
attrs_out=attrs_out at entry=0x0, new_directory=new_directory at entry=false,
entry=entry at entry=0x7f92e94e1b30, state=state at entry=0x0)
at
/usr/src/debug/nfs-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_helpers.c:367
#10 0x00007f937fd208e4 in mdcache_alloc_and_check_handle (
export=export at entry=0x7f9380e0fab0, sub_handle=<optimized out>,
new_obj=new_obj at entry=0x7f92e94e1bc8,
new_directory=new_directory at entry=false,
attrs_in=attrs_in at entry=0x7f92e94e1bd0, attrs_out=attrs_out at entry=0x0,
tag=tag at entry=0x7f937fd58b10 "lookup ", parent=parent at entry=0x7f9380e783c0,
name=name at entry=0x7f924e2d5e4c "def26337",
invalidate=invalidate at entry=true,
state=state at entry=0x0)
at
/usr/src/debug/nfs-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_handle.c:93
#11 0x00007f937fd27986 in mdc_lookup_uncached (
mdc_parent=mdc_parent at entry=0x7f9380e783c0,
name=name at entry=0x7f924e2d5e4c "def26337",
new_entry=new_entry at entry=0x7f92e94e1d40, attrs_out=attrs_out at entry=0x0)
at
/usr/src/debug/nfs-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_hel---Type
<return> to continue, or q <return> to quit---
pers.c:981
#12 0x00007f937fd1f53f in mdcache_readdir (dir_hdl=0x7f9380e783f8,
whence=<optimized out>, dir_state=0x7f92e94e1dc0,
cb=0x7f937fc4bc00 <populate_dirent>, attrmask=<optimized out>,
eod_met=0x7f92e94e1e8b)
at
/usr/src/debug/nfs-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_handle.c:626
#13 0x00007f937fc4d97d in fsal_readdir
(directory=directory at entry=0x7f9380e783f8,
cookie=cookie at entry=4053976218433744092,
nbfound=nbfound at entry=0x7f92e94e1e8c, eod_met=eod_met at entry=0x7f92e94e1e8b,
attrmask=122830, cb=cb at entry=0x7f937fc88d50 <nfs4_readdir_callback>,
opaque=opaque at entry=0x7f92e94e1e90)
at /usr/src/debug/nfs-ganesha/src/FSAL/fsal_helper.c:1457
#14 0x00007f937fc89d1b in nfs4_op_readdir (op=0x7f92a40219d0,
data=0x7f92e94e20b0, resp=0x7f9248025080)
at /usr/src/debug/nfs-ganesha/src/Protocols/NFS/nfs4_op_readdir.c:631
#15 0x00007f937fc765bf in nfs4_Compound (arg=<optimized out>,
req=<optimized out>, res=0x7f924802cb50)
at /usr/src/debug/nfs-ganesha/src/Protocols/NFS/nfs4_Compound.c:734
#16 0x00007f937fc65c0c in nfs_rpc_execute
(reqdata=reqdata at entry=0x7f92a4013dd0)
---Type <return> to continue, or q <return> to quit---
at /usr/src/debug/nfs-ganesha/src/MainNFSD/nfs_worker_thread.c:1281
#17 0x00007f937fc674bd in worker_run (ctx=0x7f9380ecf9e0)
at /usr/src/debug/nfs-ganesha/src/MainNFSD/nfs_worker_thread.c:1548
#18 0x00007f937fcfb629 in fridgethr_start_routine (arg=0x7f9380ecf9e0)
at /usr/src/debug/nfs-ganesha/src/support/fridgethr.c:550
#19 0x00007f937e1d2dc5 in start_thread () from /lib64/libpthread.so.0
#20 0x00007f937d8a01cd in clone () from /lib64/libc.so.6
Actual results:
Ganesha crashes on one of the nodes while files are being rmeoved from 2
clients.
Expected results:
There should not be any crash.
Additional info:
There is another bug filed for the ganesha crash seen during removal of files
(https://bugzilla.redhat.com/show_bug.cgi?id=1373262), but in this case bt is
different, so new bug is being filed.
--- Additional comment from Niels de Vos on 2016-09-12 01:39:03 EDT ---
All 3.8.x bugs are now reported against version 3.8 (without .x). For more
information, see
http://www.gluster.org/pipermail/gluster-devel/2016-September/050859.html
--- Additional comment from Shashank Raj on 2016-09-16 02:18:17 EDT ---
With the private build:
[root at dhcp43-116 ~]# rpm -qa|grep ganesha
glusterfs-ganesha-3.8.3-0.6.git7956718.el7.centos.x86_64
nfs-ganesha-gluster-2.4-0.rc4.el7.centos.x86_64
nfs-ganesha-debuginfo-2.4-0.rc4.el7.centos.x86_64
nfs-ganesha-2.4-0.rc4.el7.centos.x86_64
ganesha crashes with Segfault with below bt while removing files from 2 mount
points:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fe9d6f8d700 (LWP 8977)]
0x00007fea3ed2dc5f in __inode_ctx_free (inode=inode at entry=0x7fea1dbd022c)
at inode.c:332
332 xl->cbks->forget (xl, inode);
(gdb) bt
#0 0x00007fea3ed2dc5f in __inode_ctx_free (inode=inode at entry=0x7fea1dbd022c)
at inode.c:332
#1 0x00007fea3ed2ee42 in __inode_destroy (inode=0x7fea1dbd022c) at inode.c:353
#2 inode_table_prune (table=table at entry=0x7fea24002890) at inode.c:1543
#3 0x00007fea3ed2f124 in inode_unref (inode=0x7fea1dbd022c) at inode.c:524
#4 0x00007fea3ed1e222 in loc_wipe (loc=loc at entry=0x7fe9d6f8b210) at
xlator.c:695
#5 0x00007fea3f001b4b in glfs_resolve_component (fs=fs at entry=0x1d60e90,
subvol=subvol at entry=0x7fea2402aa40, parent=parent at entry=0x7fea1d77906c,
component=component at entry=0x7fea100028c0 "def70703",
iatt=iatt at entry=0x7fe9d6f8b3d0, force_lookup=<optimized out>)
at glfs-resolve.c:368
#6 0x00007fea3f002133 in priv_glfs_resolve_at (fs=fs at entry=0x1d60e90,
subvol=subvol at entry=0x7fea2402aa40, at=at at entry=0x7fea1d77906c,
origpath=origpath at entry=0x7fe91e53bccc "def70703",
loc=loc at entry=0x7fe9d6f8b4d0, iatt=iatt at entry=0x7fe9d6f8b510,
follow=follow at entry=0, reval=reval at entry=0) at glfs-resolve.c:417
#7 0x00007fea3f003a78 in pub_glfs_h_lookupat (fs=0x1d60e90,
parent=<optimized out>, path=0x7fe91e53bccc "def70703",
stat=0x7fe9d6f8b630,
follow=0) at glfs-handleops.c:102
#8 0x00007fea3f41e02c in lookup (parent=0x1e32e28,
---Type <return> to continue, or q <return> to quit---
path=0x7fe91e53bccc "def70703", handle=0x7fe9d6f8b840,
attrs_out=0x7fe9d6f8b760)
at
/usr/src/debug/nfs-ganesha-2.4-rc4-0.1.1-Source/FSAL/FSAL_GLUSTER/handle.c:112
#9 0x0000000000537358 in mdc_lookup_uncached (mdc_parent=0x1e2f340,
name=0x7fe91e53bccc "def70703", new_entry=0x7fe9d6f8b8d8, attrs_out=0x0)
at
/usr/src/debug/nfs-ganesha-2.4-rc4-0.1.1-Source/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_helpers.c:968
#10 0x000000000052dd26 in mdcache_readdir (dir_hdl=0x1e2f378,
whence=0x7fe9d6f8b970, dir_state=0x7fe9d6f8b980,
cb=0x43184b <populate_dirent>, attrmask=0, eod_met=0x7fe9d6f8be7b)
at
/usr/src/debug/nfs-ganesha-2.4-rc4-0.1.1-Source/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_handle.c:626
#11 0x00000000004320b9 in fsal_readdir (directory=0x1e2f378,
cookie=52889545390524074, nbfound=0x7fe9d6f8be7c, eod_met=0x7fe9d6f8be7b,
attrmask=0, cb=0x48ff13 <nfs3_readdir_callback>, opaque=0x7fe9d6f8be30)
at /usr/src/debug/nfs-ganesha-2.4-rc4-0.1.1-Source/FSAL/fsal_helper.c:1457
#12 0x000000000048fcfa in nfs3_readdir (arg=0x7fe978001468, req=0x7fe9780012a8,
res=0x7fea10002dd0)
at
/usr/src/debug/nfs-ganesha-2.4-rc4-0.1.1-Source/Protocols/NFS/nfs3_readdir.c---Type
<return> to continue, or q <return> to quit---
:295
#13 0x000000000044ad6b in nfs_rpc_execute (reqdata=0x7fe978001280)
at
/usr/src/debug/nfs-ganesha-2.4-rc4-0.1.1-Source/MainNFSD/nfs_worker_thread.c:1281
#14 0x000000000044b625 in worker_run (ctx=0x1e7d560)
at
/usr/src/debug/nfs-ganesha-2.4-rc4-0.1.1-Source/MainNFSD/nfs_worker_thread.c:1548
#15 0x000000000050079f in fridgethr_start_routine (arg=0x1e7d560)
at /usr/src/debug/nfs-ganesha-2.4-rc4-0.1.1-Source/support/fridgethr.c:550
#16 0x00007fea41d9edc5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fea4145e1cd in clone () from /lib64/libc.so.6
(gdb)
--- Additional comment from Soumya Koduri on 2016-09-16 09:16:02 EDT ---
This looks a bit similar (at least top bt) to the issue reported in bug1353561.
The bug seems to be in gluster sources but not related to nfs-ganesha.
Referenced Bugs:
https://bugzilla.redhat.com/show_bug.cgi?id=1374015
[Bug 1374015] Ganesha crashes while removing files from clients.
https://bugzilla.redhat.com/show_bug.cgi?id=1375564
[Bug 1375564] Ganesha crashes while removing files from clients.
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