Hello David,Do you have any custom patches in your deployment? I looked up v5.5 but could not find the following functions referred to in the core:map_atime_from_server()worm_lookup_cbk()Neither do I see xlator_helper.c in the codebase.Thanks,Vijay#0 map_atime_from_server (this=0x7fdef401af00, stbuf=0x0) at ../../../../xlators/lib/src/xlator_helper.c:21__FUNCTION__ = "map_to_atime_from_server"#1 0x00007fdef39a0382 in worm_lookup_cbk (frame=frame@entry=0x7fdeac0015c8, cookie=<optimized out>, this=0x7fdef401af00, op_ret=op_ret@entry=-1, op_errno=op_errno@entry=13,inode=inode@entry=0x0, buf=0x0, xdata=0x0, postparent=0x0) at worm.c:531priv = 0x7fdef4075378ret = 0__FUNCTION__ = "worm_lookup_cbk"On Thu, May 16, 2019 at 12:53 AM David Spisla <spisla80@xxxxxxxxx> wrote:Hello Vijay,I could reproduce the issue. After doing a simple DIR Listing from Win10 powershell, all brick processes crashes. Its not the same scenario mentioned before but the crash report in the bricks log is the same.Attached you find the backtrace.RegardsDavid SpislaAm Di., 7. Mai 2019 um 20:08 Uhr schrieb Vijay Bellur <vbellur@xxxxxxxxxx>:Hello David,On Tue, May 7, 2019 at 2:16 AM David Spisla <spisla80@xxxxxxxxx> wrote:Hello Vijay,how can I create such a core file? Or will it be created automatically if a gluster process crashes?Maybe you can give me a hint and will try to get a backtrace.Generation of core file is dependent on the system configuration. `man 5 core` contains useful information to generate a core file in a directory. Once a core file is generated, you can use gdb to get a backtrace of all threads (using "thread apply all bt full").Unfortunately this bug is not easy to reproduce because it appears only sometimes.If the bug is not easy to reproduce, having a backtrace from the generated core would be very useful!Thanks,VijayRegardsDavid SpislaAm Mo., 6. Mai 2019 um 19:48 Uhr schrieb Vijay Bellur <vbellur@xxxxxxxxxx>:Thank you for the report, David. Do you have core files available on any of the servers? If yes, would it be possible for you to provide a backtrace.Regards,VijayOn Mon, May 6, 2019 at 3:09 AM David Spisla <spisla80@xxxxxxxxx> wrote:_______________________________________________Hello folks,we have a client application (runs on Win10) which does some FOPs on a gluster volume which is accessed by SMB.Scenario 1 is a READ Operation which reads all files successively and checks if the files data was correctly copied. While doing this, all brick processes crashes and in the logs one have this crash report on every brick log:CTX_ID:a0359502-2c76-4fee-8cb9-365679dc690e-GRAPH_ID:0-PID:32934-HOST:XX-XXXXX-XX-XX-PC_NAME:shortterm-client-2-RECON_NO:-0, gfid: 00000000-0000-0000-0000-000000000001, req(uid:2000,gid:2000,perm:1,ngrps:1), ctx(uid:0,gid:0,in-groups:0,perm:700,updated-fop:LOOKUP, acl:-) [Permission denied] pending frames: frame : type(0) op(27) frame : type(0) op(40) patchset: git://git.gluster.org/glusterfs.git signal received: 11 time of crash: 2019-04-16 08:32:21 configuration details: argp 1 backtrace 1 dlfcn 1 libpthread 1 llistxattr 1 setfsid 1 spinlock 1 epoll.h 1 xattr.h 1 st_atim.tv_nsec 1 package-string: glusterfs 5.5 /usr/lib64/libglusterfs.so.0(+0x2764c)[0x7f9a5bd4d64c] /usr/lib64/libglusterfs.so.0(gf_print_trace+0x306)[0x7f9a5bd57d26] /lib64/libc.so.6(+0x361a0)[0x7f9a5af141a0] /usr/lib64/glusterfs/5.5/xlator/features/worm.so(+0xb910)[0x7f9a4ef0e910] /usr/lib64/glusterfs/5.5/xlator/features/worm.so(+0x8118)[0x7f9a4ef0b118] /usr/lib64/glusterfs/5.5/xlator/features/locks.so(+0x128d6)[0x7f9a4f1278d6] /usr/lib64/glusterfs/5.5/xlator/features/access-control.so(+0x575b)[0x7f9a4f35975b] /usr/lib64/glusterfs/5.5/xlator/features/locks.so(+0xb3b3)[0x7f9a4f1203b3] /usr/lib64/glusterfs/5.5/xlator/features/worm.so(+0x85b2)[0x7f9a4ef0b5b2] /usr/lib64/libglusterfs.so.0(default_lookup+0xbc)[0x7f9a5bdd7b6c] /usr/lib64/libglusterfs.so.0(default_lookup+0xbc)[0x7f9a5bdd7b6c] /usr/lib64/glusterfs/5.5/xlator/features/upcall.so(+0xf548)[0x7f9a4e8cf548] /usr/lib64/libglusterfs.so.0(default_lookup_resume+0x1e2)[0x7f9a5bdefc22] /usr/lib64/libglusterfs.so.0(call_resume+0x75)[0x7f9a5bd733a5] /usr/lib64/glusterfs/5.5/xlator/performance/io-threads.so(+0x6088)[0x7f9a4e6b7088] /lib64/libpthread.so.0(+0x7569)[0x7f9a5b29f569] /lib64/libc.so.6(clone+0x3f)[0x7f9a5afd69af]Scenario 2 The application just SET Read-Only on each file sucessively. After the 70th file was set, all the bricks crashes and again, one can read this crash report in every brick log:[2019-05-02 07:43:39.953591] I [MSGID: 139001] [posix-acl.c:263:posix_acl_log_permit_denied] 0-longterm-access-control: client: CTX_ID:21aa9c75-3a5f-41f9-925b-48e4c80bd24a-GRAPH_ID:0-PID:16325-HOST:XXX-X-X-XXX-PC_NAME:longterm-client-0-RECON_NO:-0, gfid: 00000000-0000-0000-0000-000000000001, req(uid:2000,gid:2000,perm:1,ngrps:1), ctx(uid:0,gid:0,in-groups:0,perm:700,updated-fop:LOOKUP, acl:-) [Permission denied]
pending frames:
frame : type(0) op(27)
patchset: git://git.gluster.org/glusterfs.git
signal received: 11
time of crash:
2019-05-02 07:43:39
configuration details:
argp 1
backtrace 1
dlfcn 1
libpthread 1
llistxattr 1
setfsid 1
spinlock 1
epoll.h 1
xattr.h 1
st_atim.tv_nsec 1
package-string: glusterfs 5.5
/usr/lib64/libglusterfs.so.0(+0x2764c)[0x7fbb3f0b364c]
/usr/lib64/libglusterfs.so.0(gf_print_trace+0x306)[0x7fbb3f0bdd26]
/lib64/libc.so.6(+0x361e0)[0x7fbb3e27a1e0]
/usr/lib64/glusterfs/5.5/xlator/features/worm.so(+0xb910)[0x7fbb32257910]
/usr/lib64/glusterfs/5.5/xlator/features/worm.so(+0x8118)[0x7fbb32254118]
/usr/lib64/glusterfs/5.5/xlator/features/locks.so(+0x128d6)[0x7fbb324708d6]
/usr/lib64/glusterfs/5.5/xlator/features/access-control.so(+0x575b)[0x7fbb326a275b]
/usr/lib64/glusterfs/5.5/xlator/features/locks.so(+0xb3b3)[0x7fbb324693b3]
/usr/lib64/glusterfs/5.5/xlator/features/worm.so(+0x85b2)[0x7fbb322545b2]
/usr/lib64/libglusterfs.so.0(default_lookup+0xbc)[0x7fbb3f13db6c]
/usr/lib64/libglusterfs.so.0(default_lookup+0xbc)[0x7fbb3f13db6c]
/usr/lib64/glusterfs/5.5/xlator/features/upcall.so(+0xf548)[0x7fbb31c18548]
/usr/lib64/libglusterfs.so.0(default_lookup_resume+0x1e2)[0x7fbb3f155c22]
/usr/lib64/libglusterfs.so.0(call_resume+0x75)[0x7fbb3f0d93a5]
/usr/lib64/glusterfs/5.5/xlator/performance/io-threads.so(+0x6088)[0x7fbb31a00088]
/lib64/libpthread.so.0(+0x7569)[0x7fbb3e605569]
/lib64/libc.so.6(clone+0x3f)[0x7fbb3e33c9ef]
This happens on a 3-Node Gluster v5.5 Cluster on two different volumes. But both volumes has the same settings:Volume Name: shortterm
Type: Replicate
Volume ID: 5307e5c5-e8a1-493a-a846-342fb0195dee
Status: Started
Snapshot Count: 0
Number of Bricks: 1 x 3 = 3
Transport-type: tcp
Bricks:
Brick1: fs-xxxxx-c1-n1:/gluster/brick4/glusterbrick
Brick2: fs-xxxxx-c1-n2:/gluster/brick4/glusterbrick
Brick3: fs-xxxxx-c1-n3:/gluster/brick4/glusterbrick
Options Reconfigured:
storage.reserve: 1
performance.client-io-threads: off
nfs.disable: on
transport.address-family: inet
user.smb: disable
features.read-only: off
features.worm: off
features.worm-file-level: on
features.retention-mode: enterprise
features.default-retention-period: 120
network.ping-timeout: 10
features.cache-invalidation: on
features.cache-invalidation-timeout: 600
performance.nl-cache: on
performance.nl-cache-timeout: 600
client.event-threads: 32
server.event-threads: 32
cluster.lookup-optimize: on
performance.stat-prefetch: on
performance.cache-invalidation: on
performance.md-cache-timeout: 600
performance.cache-samba-metadata: on
performance.cache-ima-xattrs: on
performance.io-thread-count: 64
cluster.use-compound-fops: on
performance.cache-size: 512MB
performance.cache-refresh-timeout: 10
performance.read-ahead: off
performance.write-behind-window-size: 4MB
performance.write-behind: on
storage.build-pgfid: on
features.utime: on
storage.ctime: on
cluster.quorum-type: fixed
cluster.quorum-count: 2
features.bitrot: on
features.scrub: Active
features.scrub-freq: daily
cluster.enable-shared-storage: enableWhy can this happen to all Brick processes? I don't understand the crash report. The FOPs are nothing special and after restart brick processes everything works fine and our application was succeed.RegardsDavid Spisla
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