[NFS-Ganesha-Support] Re: [ceph-users] [Nfs-ganesha-devel] 2.7.3 with CEPH_FSAL Crashing

Client::fill_statx() is a fairly large function, so it's hard to know what's causing the crash. Can you get line numbers from your backtrace? Daniel On 10/7/19 9:59 AM, David C wrote: > Hi All > > Further to my previous messages, I upgraded > to libcephfs2-14.2.2-0.el7.x86_64 as suggested and things certainly seem > a lot more stable, I have had some crashes though, could someone assist > in debugging this latest crash please? > > (gdb) bt > #0 0x00007fce4e9fc1bb in Client::fill_statx(Inode*, unsigned int, > ceph_statx*) () from /lib64/libcephfs.so.2 > #1 0x00007fce4ea1d4ca in Client::_readdir_cache_cb(dir_result_t*, int > (*)(void*, dirent*, ceph_statx*, long, Inode*), void*, int, bool) () > from /lib64/libcephfs.so.2 > #2 0x00007fce4ea1e865 in Client::readdir_r_cb(dir_result_t*, int > (*)(void*, dirent*, ceph_statx*, long, Inode*), void*, unsigned int, > unsigned int, bool) () from /lib64/libcephfs.so.2 > #3 0x00007fce4ea1f3dd in Client::readdirplus_r(dir_result_t*, dirent*, > ceph_statx*, unsigned int, unsigned int, Inode**) () from > /lib64/libcephfs.so.2 > #4 0x00007fce4ece7b0e in fsal_ceph_readdirplus (dir=<optimized out>, > cred=<optimized out>, out=0x7fccdbefa720, flags=0, want=1775, > stx=0x7fccdbefa730, de=0x7fccdbefa8c0, dirp=<optimized out>, > cmount=<optimized out>) > at /usr/src/debug/nfs-ganesha-2.7.3/FSAL/FSAL_CEPH/statx_compat.h:314 > #5 ceph_fsal_readdir (dir_pub=<optimized out>, whence=<optimized out>, > dir_state=0x7fccdbefaa30, cb=0x522640 <mdc_readdir_uncached_cb>, > attrmask=122830, eof=0x7fccdbefac0b) at > /usr/src/debug/nfs-ganesha-2.7.3/FSAL/FSAL_CEPH/handle.c:211 > #6 0x00000000005256e1 in mdcache_readdir_uncached > (directory=directory@entry=0x7fcaa8bb84a0, whence=<optimized out>, > dir_state=<optimized out>, cb=<optimized out>, attrmask=<optimized out>, > eod_met=<optimized out>) > at > /usr/src/debug/nfs-ganesha-2.7.3/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_helpers.c:1654 > #7 0x0000000000517a88 in mdcache_readdir (dir_hdl=0x7fcaa8bb84d8, > whence=0x7fccdbefab18, dir_state=0x7fccdbefab30, cb=0x432db0 > <populate_dirent>, attrmask=122830, eod_met=0x7fccdbefac0b) at > /usr/src/debug/nfs-ganesha-2.7.3/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_handle.c:551 > #8 0x000000000043434a in fsal_readdir > (directory=directory@entry=0x7fcaa8bb84d8, cookie=cookie@entry=0, > nbfound=nbfound@entry=0x7fccdbefac0c, > eod_met=eod_met@entry=0x7fccdbefac0b, attrmask=122830, > cb=cb@entry=0x46f600 <nfs4_readdir_callback>, > opaque=opaque@entry=0x7fccdbefac20) > at /usr/src/debug/nfs-ganesha-2.7.3/FSAL/fsal_helper.c:1164 > #9 0x00000000004705b9 in nfs4_op_readdir (op=0x7fcb7fed1f80, > data=0x7fccdbefaea0, resp=0x7fcb7d106c40) at > /usr/src/debug/nfs-ganesha-2.7.3/Protocols/NFS/nfs4_op_readdir.c:664 > #10 0x000000000045d120 in nfs4_Compound (arg=<optimized out>, > req=<optimized out>, res=0x7fcb7e001000) at > /usr/src/debug/nfs-ganesha-2.7.3/Protocols/NFS/nfs4_Compound.c:942 > #11 0x00000000004512cd in nfs_rpc_process_request > (reqdata=0x7fcb7e1d1950) at > /usr/src/debug/nfs-ganesha-2.7.3/MainNFSD/nfs_worker_thread.c:1328 > #12 0x0000000000450766 in nfs_rpc_decode_request (xprt=0x7fcaf17fb0e0, > xdrs=0x7fcb7e1ddb90) at > /usr/src/debug/nfs-ganesha-2.7.3/MainNFSD/nfs_rpc_dispatcher_thread.c:1345 > #13 0x00007fce6165707d in svc_rqst_xprt_task (wpe=0x7fcaf17fb2f8) at > /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:769 > #14 0x00007fce6165759a in svc_rqst_epoll_events (n_events=<optimized > out>, sr_rec=0x56a24c0) at > /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:941 > #15 svc_rqst_epoll_loop (sr_rec=<optimized out>) at > /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:1014 > #16 svc_rqst_run_task (wpe=0x56a24c0) at > /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:1050 > #17 0x00007fce6165f123 in work_pool_thread (arg=0x7fcd381c77b0) at > /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/work_pool.c:181 > #18 0x00007fce5fc17dd5 in start_thread () from /lib64/libpthread.so.0 > #19 0x00007fce5ed8eead in clone () from /lib64/libc.so.6 > > Package versions: > > nfs-ganesha-vfs-2.7.3-0.1.el7.x86_64 > nfs-ganesha-debuginfo-2.7.3-0.1.el7.x86_64 > nfs-ganesha-ceph-2.7.3-0.1.el7.x86_64 > nfs-ganesha-2.7.3-0.1.el7.x86_64 > libcephfs2-14.2.2-0.el7.x86_64 > librados2-14.2.2-0.el7.x86_64 > > Ganesha export: > > EXPORT > { > Export_ID=100; > Protocols = 4; > Transports = TCP; > Path = /; > Pseudo = /ceph/; > Access_Type = RW; > Attr_Expiration_Time = 0; > Disable_ACL = FALSE; > Manage_Gids = TRUE; > Filesystem_Id = 100.1; > FSAL { > Name = CEPH; > } > } > > Ceph.conf: > > [client] > mon host = --removed-- > client_oc_size = 6291456000 #6GB > client_acl_type=posix_acl > client_quota = true > client_quota_df = true > > Client mount options: > > rw,relatime,vers=4.1,rsize=1048576,wsize=1048576,namlen=255,soft,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=removed,local_lock=none,addr=removed) > > On Fri, Jul 19, 2019 at 5:47 PM David C <dcsysengineer(a)gmail.com > <mailto:dcsysengineer@gmail.com>> wrote: > > Thanks, Jeff. I'll give 14.2.2 a go when it's released. > > On Wed, 17 Jul 2019, 22:29 Jeff Layton, <jlayton(a)poochiereds.net > <mailto:jlayton@poochiereds.net>> wrote: > > Ahh, I just noticed you were running nautilus on the client > side. This > patch went into v14.2.2, so once you update to that you should > be good > to go. > > -- Jeff > > On Wed, 2019-07-17 at 17:10 -0400, Jeff Layton wrote: > > This is almost certainly the same bug that is fixed here: > > > > https://github.com/ceph/ceph/pull/28324 > > > > It should get backported soon-ish but I'm not sure which luminous > > release it'll show up in. > > > > Cheers, > > Jeff > > > > On Wed, 2019-07-17 at 10:36 +0100, David C wrote: > > > Thanks for taking a look at this, Daniel. Below is the only > interesting bit from the Ceph MDS log at the time of the crash > but I suspect the slow requests are a result of the Ganesha > crash rather than the cause of it. Copying the Ceph list in case > anyone has any ideas. > > > > > > 2019-07-15 15:06:54.624007 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : 6 slow requests, 5 included > below; oldest blocked for > 34.588509 secs > > > 2019-07-15 15:06:54.624017 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 33.113514 seconds > old, received at 2019-07-15 15:06:21.510423: > client_request(client.16140784:5571174 setattr mtime=2019-07-15 > 14:59:45.642408 #0x10009079cfb 2019-07 > > > -15 14:59:45.642408 caller_uid=1161, caller_gid=1131{}) > currently failed to xlock, waiting > > > 2019-07-15 15:06:54.624020 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 34.588509 seconds > old, received at 2019-07-15 15:06:20.035428: > client_request(client.16129440:1067288 create > #0x1000907442e/filePathEditorRegistryPrefs.melDXAtss 201 > > > 9-07-15 14:59:53.694087 caller_uid=1161, > caller_gid=1131{1131,4121,2330,2683,4115,2322,2779,2979,1503,3511,2783,2707,2942,2980,2258,2829,1238,1237,2793,1235,1249,2097,1154,2982,2983,3860,4101,1208,3638,3641,3644,3640,3643,3639,3642,3822,3945,4045,3521,35 > > > 22,3520,3523,}) currently failed to wrlock, waiting > > > 2019-07-15 15:06:54.624025 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 34.583918 seconds > old, received at 2019-07-15 15:06:20.040019: > client_request(client.16140784:5570551 getattr pAsLsXsFs > #0x1000907443b 2019-07-15 14:59:44.171408 cal > > > ler_uid=1161, caller_gid=1131{}) currently failed to > rdlock, waiting > > > 2019-07-15 15:06:54.624028 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 34.580632 seconds > old, received at 2019-07-15 15:06:20.043305: > client_request(client.16129440:1067293 unlink > #0x1000907442e/filePathEditorRegistryPrefs.melcdzxxc 201 > > > 9-07-15 14:59:53.701964 caller_uid=1161, > caller_gid=1131{1131,4121,2330,2683,4115,2322,2779,2979,1503,3511,2783,2707,2942,2980,2258,2829,1238,1237,2793,1235,1249,2097,1154,2982,2983,3860,4101,1208,3638,3641,3644,3640,3643,3639,3642,3822,3945,4045,3521,35 > > > 22,3520,3523,}) currently failed to wrlock, waiting > > > 2019-07-15 15:06:54.624032 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 34.538332 seconds > old, received at 2019-07-15 15:06:20.085605: > client_request(client.16129440:1067308 create > #0x1000907442e/filePathEditorRegistryPrefs.melHHljMk 201 > > > 9-07-15 14:59:53.744266 caller_uid=1161, > caller_gid=1131{1131,4121,2330,2683,4115,2322,2779,2979,1503,3511,2783,2707,2942,2980,2258,2829,1238,1237,2793,1235,1249,2097,1154,2982,2983,3860,4101,1208,3638,3641,3644,3640,3643,3639,3642,3822,3945,4045,3521,3522,3520,3523,}) > currently failed to wrlock, waiting > > > 2019-07-15 15:06:55.014073 7f5fdcdc0700 1 mds.mds01 > Updating MDS map to version 68166 from mon.2 > > > 2019-07-15 15:06:59.624041 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : 7 slow requests, 2 included > below; oldest blocked for > 39.588571 secs > > > 2019-07-15 15:06:59.624048 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 30.495843 seconds > old, received at 2019-07-15 15:06:29.128156: > client_request(client.16129440:1072227 create > #0x1000907442e/filePathEditorRegistryPrefs.mel58AQSv 2019-07-15 > 15:00:02.786754 caller_uid=1161, > caller_gid=1131{1131,4121,2330,2683,4115,2322,2779,2979,1503,3511,2783,2707,2942,2980,2258,2829,1238,1237,2793,1235,1249,2097,1154,2982,2983,3860,4101,1208,3638,3641,3644,3640,3643,3639,3642,3822,3945,4045,3521,3522,3520,3523,}) > currently failed to wrlock, waiting > > > 2019-07-15 15:06:59.624053 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 39.432848 seconds > old, received at 2019-07-15 15:06:20.191151: > client_request(client.16140784:5570649 mknod > #0x1000907442e/filePathEditorRegistryPrefs.mel3HZLNE 2019-07-15 > 14:59:44.322408 caller_uid=1161, caller_gid=1131{}) currently > failed to wrlock, waiting > > > 2019-07-15 15:07:03.014108 7f5fdcdc0700 1 mds.mds01 > Updating MDS map to version 68167 from mon.2 > > > 2019-07-15 15:07:04.624096 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : 8 slow requests, 1 included > below; oldest blocked for > 44.588632 secs > > > 2019-07-15 15:07:04.624103 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 34.904077 seconds > old, received at 2019-07-15 15:06:29.719983: > client_request(client.16129440:1072228 getattr pAsLsXsFs > #0x1000907443b 2019-07-15 15:00:03.378512 caller_uid=1161, > caller_gid=1131{1131,4121,2330,2683,4115,2322,2779,2979,1503,3511,2783,2707,2942,2980,2258,2829,1238,1237,2793,1235,1249,2097,1154,2982,2983,3860,4101,1208,3638,3641,3644,3640,3643,3639,3642,3822,3945,4045,3521,3522,3520,3523,}) > currently failed to rdlock, waiting > > > 2019-07-15 15:07:07.013972 7f5fdcdc0700 1 mds.mds01 > Updating MDS map to version 68168 from mon.2 > > > 2019-07-15 15:07:09.624166 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : 10 slow requests, 2 included > below; oldest blocked for > 49.588693 secs > > > 2019-07-15 15:07:09.624173 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 32.689838 seconds > old, received at 2019-07-15 15:06:36.934283: > client_request(client.16129440:1072271 getattr pAsLsXsFs > #0x1000907443b 2019-07-15 15:00:10.592734 caller_uid=1161, > caller_gid=1131{1131,4121,2330,2683,4115,2322,2779,2979,1503,3511,2783,2707,2942,2980,2258,2829,1238,1237,2793,1235,1249,2097,1154,2982,2983,3860,4101,1208,3638,3641,3644,3640,3643,3639,3642,3822,3945,4045,3521,3522,3520,3523,}) > currently failed to rdlock, waiting > > > 2019-07-15 15:07:09.624177 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 34.962719 seconds > old, received at 2019-07-15 15:06:34.661402: > client_request(client.16129440:1072256 getattr pAsLsXsFs > #0x1000907443b 2019-07-15 15:00:08.319912 caller_uid=1161, > caller_gid=1131{1131,4121,2330,2683,4115,2322,2779,2979,1503,3511,2783,2707,2942,2980,2258,2829,1238,1237,2793,1235,1249,2097,1154,2982,2983,3860,4101,1208,3638,3641,3644,3640,3643,3639,3642,3822,3945,4045,3521,3522,3520,3523,}) > currently failed to rdlock, waiting > > > 2019-07-15 15:07:11.519928 7f5fdcdc0700 1 mds.mds01 > Updating MDS map to version 68169 from mon.2 > > > 2019-07-15 15:07:19.624272 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : 11 slow requests, 1 included > below; oldest blocked for > 59.588812 secs > > > 2019-07-15 15:07:19.624278 7f5fda5bb700 0 > log_channel(cluster) log [WRN] : slow request 32.164260 seconds > old, received at 2019-07-15 15:06:47.459980: > client_request(client.16129440:1072326 getattr pAsLsXsFs > #0x1000907443b 2019-07-15 15:00:21.118372 caller_uid=1161, > caller_gid=1131{1131,4121,2330,2683,4115,2322,2779,2979,1503,3511,2783,2707,2942,2980,2258,2829,1238,1237,2793,1235,1249,2097,1154,2982,2983,3860,4101,1208,3638,3641,3644,3640,3643,3639,3642,3822,3945,4045,3521,3522,3520,3523,}) > currently failed to rdlock, waiting > > > > > > > > > On Tue, Jul 16, 2019 at 1:18 PM Daniel Gryniewicz > <dang(a)redhat.com <mailto:dang@redhat.com>> wrote: > > > > This is not one I've seen before, and a quick look at the > code looks > > > > strange. The only assert in that bit is asserting the > parent is a > > > > directory, but the parent directory is not something that > was passed in > > > > by Ganesha, but rather something that was looked up > internally in > > > > libcephfs. This is beyond my expertise, at this point. > Maybe some ceph > > > > logs would help? > > > > > > > > Daniel > > > > > > > > On 7/15/19 10:54 AM, David C wrote: > > > > > This list has been deprecated. Please subscribe to the > new devel list at lists.nfs-ganesha.org > <http://lists.nfs-ganesha.org>;. > > > > > > > > > > > > > > > Hi All > > > > > > > > > > I'm running 2.7.3 using the CEPH FSAL to export CephFS > (Luminous), it > > > > > ran well for a few days and crashed. I have a coredump, > could someone > > > > > assist me in debugging this please? > > > > > > > > > > (gdb) bt > > > > > #0 0x00007f04dcab6207 in raise () from /lib64/libc.so.6 > > > > > #1 0x00007f04dcab78f8 in abort () from /lib64/libc.so.6 > > > > > #2 0x00007f04d2a9d6c5 in ceph::__ceph_assert_fail(char > const*, char > > > > > const*, int, char const*) () from > /usr/lib64/ceph/libceph-common.so.0 > > > > > #3 0x00007f04d2a9d844 in > ceph::__ceph_assert_fail(ceph::assert_data > > > > > const&) () from /usr/lib64/ceph/libceph-common.so.0 > > > > > #4 0x00007f04cc807f04 in Client::_lookup_name(Inode*, > Inode*, UserPerm > > > > > const&) () from /lib64/libcephfs.so.2 > > > > > #5 0x00007f04cc81c41f in > Client::ll_lookup_inode(inodeno_t, UserPerm > > > > > const&, Inode**) () from /lib64/libcephfs.so.2 > > > > > #6 0x00007f04ccadbf0e in create_handle > (export_pub=0x1baff10, > > > > > desc=<optimized out>, pub_handle=0x7f0470fd4718, > > > > > attrs_out=0x7f0470fd4740) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/FSAL/FSAL_CEPH/export.c:256 > > > > > #7 0x0000000000523895 in mdcache_locate_host > (fh_desc=0x7f0470fd4920, > > > > > export=export@entry=0x1bafbf0, > entry=entry@entry=0x7f0470fd48b8, > > > > > attrs_out=attrs_out@entry=0x0) > > > > > at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_helpers.c:1011 > > > > > #8 0x000000000051d278 in mdcache_create_handle > (exp_hdl=0x1bafbf0, > > > > > fh_desc=<optimized out>, handle=0x7f0470fd4900, > attrs_out=0x0) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_handle.c:1578 > > > > > #9 0x000000000046d404 in nfs4_mds_putfh > > > > > (data=data@entry=0x7f0470fd4ea0) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/Protocols/NFS/nfs4_op_putfh.c:211 > > > > > #10 0x000000000046d8e8 in nfs4_op_putfh > (op=0x7f03effaf1d0, > > > > > data=0x7f0470fd4ea0, resp=0x7f03ec1de1f0) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/Protocols/NFS/nfs4_op_putfh.c:281 > > > > > #11 0x000000000045d120 in nfs4_Compound (arg=<optimized > out>, > > > > > req=<optimized out>, res=0x7f03ec1de9d0) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/Protocols/NFS/nfs4_Compound.c:942 > > > > > #12 0x00000000004512cd in nfs_rpc_process_request > > > > > (reqdata=0x7f03ee5ed4b0) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/MainNFSD/nfs_worker_thread.c:1328 > > > > > #13 0x0000000000450766 in nfs_rpc_decode_request > (xprt=0x7f02180c2320, > > > > > xdrs=0x7f03ec568ab0) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/MainNFSD/nfs_rpc_dispatcher_thread.c:1345 > > > > > #14 0x00007f04df45d07d in svc_rqst_xprt_task > (wpe=0x7f02180c2538) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:769 > > > > > #15 0x00007f04df45d59a in svc_rqst_epoll_events > (n_events=<optimized > > > > > out>, sr_rec=0x4bb53e0) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:941 > > > > > #16 svc_rqst_epoll_loop (sr_rec=<optimized out>) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:1014 > > > > > #17 svc_rqst_run_task (wpe=0x4bb53e0) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:1050 > > > > > #18 0x00007f04df465123 in work_pool_thread > (arg=0x7f044c0008c0) at > > > > > > /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/work_pool.c:181 > > > > > #19 0x00007f04dda05dd5 in start_thread () from > /lib64/libpthread.so.0 > > > > > #20 0x00007f04dcb7dead in clone () from /lib64/libc.so.6 > > > > > > > > > > Package versions: > > > > > > > > > > nfs-ganesha-2.7.3-0.1.el7.x86_64 > > > > > nfs-ganesha-ceph-2.7.3-0.1.el7.x86_64 > > > > > libcephfs2-14.2.1-0.el7.x86_64 > > > > > librados2-14.2.1-0.el7.x86_64 > > > > > > > > > > I notice in my Ceph log I have a bunch of slow requests > around the time > > > > > it went down, I'm not sure if it's a symptom of Ganesha > segfaulting or > > > > > if it was a contributing factor. > > > > > > > > > > Thanks, > > > > > David > > > > > > > > > > > > > > > _______________________________________________ > > > > > Nfs-ganesha-devel mailing list > > > > > Nfs-ganesha-devel(a)lists.sourceforge.net > <mailto:Nfs-ganesha-devel@lists.sourceforge.net> > > > > > > https://lists.sourceforge.net/lists/listinfo/nfs-ganesha-devel > > > > > > > > > > > _______________________________________________ > > > ceph-users mailing list > > > ceph-users(a)lists.ceph.com <mailto:ceph-users@lists.ceph.com > > > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- > Jeff Layton <jlayton(a)poochiereds.net > <mailto:jlayton@poochiereds.net>> >