Thanks, Patrick. Looks like the fix is awaiting review, I guess my options are to hold tight for 14.2.5 or patch myself if I get desperate. I've seen this crash about 4 times over the past 96 hours, is there anything I can do to mitigate the issue in the meantime?
On Wed, Oct 9, 2019 at 9:23 PM Patrick Donnelly <pdonnell@xxxxxxxxxx> wrote:
Looks like this bug: https://tracker.ceph.com/issues/41148
On Wed, Oct 9, 2019 at 1:15 PM David C <dcsysengineer@xxxxxxxxx> wrote:
>
> Hi Daniel
>
> Thanks for looking into this. I hadn't installed ceph-debuginfo, here's the bt with line numbers:
>
> #0 operator uint64_t (this=0x10) at /usr/src/debug/ceph-14.2.2/src/include/object.h:123
> #1 Client::fill_statx (this=this@entry=0x274b980, in=0x0, mask=mask@entry=341, stx=stx@entry=0x7fccdbefa210) at /usr/src/debug/ceph-14.2.2/src/client/Client.cc:7336
> #2 0x00007fce4ea1d4ca in fill_statx (stx=0x7fccdbefa210, mask=341, in=..., this=0x274b980) at /usr/src/debug/ceph-14.2.2/src/client/Client.h:898
> #3 Client::_readdir_cache_cb (this=this@entry=0x274b980, dirp=dirp@entry=0x7fcb7d0e7860,
> cb=cb@entry=0x7fce4e9d0950 <_readdir_single_dirent_cb(void*, dirent*, ceph_statx*, off_t, Inode*)>, p=p@entry=0x7fccdbefa6a0, caps=caps@entry=341,
> getref=getref@entry=true) at /usr/src/debug/ceph-14.2.2/src/client/Client.cc:7999
> #4 0x00007fce4ea1e865 in Client::readdir_r_cb (this=0x274b980, d=0x7fcb7d0e7860,
> cb=cb@entry=0x7fce4e9d0950 <_readdir_single_dirent_cb(void*, dirent*, ceph_statx*, off_t, Inode*)>, p=p@entry=0x7fccdbefa6a0, want=want@entry=1775,
> flags=flags@entry=0, getref=true) at /usr/src/debug/ceph-14.2.2/src/client/Client.cc:8138
> #5 0x00007fce4ea1f3dd in Client::readdirplus_r (this=<optimized out>, d=<optimized out>, de=de@entry=0x7fccdbefa8c0, stx=stx@entry=0x7fccdbefa730, want=want@entry=1775,
> flags=flags@entry=0, out=0x7fccdbefa720) at /usr/src/debug/ceph-14.2.2/src/client/Client.cc:8307
> #6 0x00007fce4e9c92d8 in ceph_readdirplus_r (cmount=<optimized out>, dirp=<optimized out>, de=de@entry=0x7fccdbefa8c0, stx=stx@entry=0x7fccdbefa730,
> want=want@entry=1775, flags=flags@entry=0, out=out@entry=0x7fccdbefa720) at /usr/src/debug/ceph-14.2.2/src/libcephfs.cc:629
> #7 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
> #8 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
> #9 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
> #10 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
> #11 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
> #12 0x00000000004705b9 in nfs4_op_readdir (op=0x7fcb7fed1f80, data="" resp=0x7fcb7d106c40)
> at /usr/src/debug/nfs-ganesha-2.7.3/Protocols/NFS/nfs4_op_readdir.c:664
> #13 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
> #14 0x00000000004512cd in nfs_rpc_process_request (reqdata=0x7fcb7e1d1950) at /usr/src/debug/nfs-ganesha-2.7.3/MainNFSD/nfs_worker_thread.c:1328
> #15 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
> #16 0x00007fce6165707d in svc_rqst_xprt_task (wpe=0x7fcaf17fb2f8) at /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:769
> #17 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
> #18 svc_rqst_epoll_loop (sr_rec=<optimized out>) at /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:1014
> #19 svc_rqst_run_task (wpe=0x56a24c0) at /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/svc_rqst.c:1050
> #20 0x00007fce6165f123 in work_pool_thread (arg=0x7fcd381c77b0) at /usr/src/debug/nfs-ganesha-2.7.3/libntirpc/src/work_pool.c:181
> #21 0x00007fce5fc17dd5 in start_thread (arg=0x7fccdbefe700) at pthread_create.c:307
> #22 0x00007fce5ed8eead in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>
> On Mon, Oct 7, 2019 at 3:40 PM Daniel Gryniewicz <dang@xxxxxxxxxx> wrote:
>>
>> 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="" 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@xxxxxxxxx
>> > <mailto:dcsysengineer@xxxxxxxxx>> 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@xxxxxxxxxxxxxxx
>> > <mailto:jlayton@xxxxxxxxxxxxxxx>> 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@xxxxxxxxxx <mailto:dang@xxxxxxxxxx>> 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="" 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="" 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@xxxxxxxxxxxxxxxxxxxxx
>> > <mailto:Nfs-ganesha-devel@xxxxxxxxxxxxxxxxxxxxx>
>> > > > > >
>> > https://lists.sourceforge.net/lists/listinfo/nfs-ganesha-devel
>> > > > > >
>> > > >
>> > > > _______________________________________________
>> > > > ceph-users mailing list
>> > > > ceph-users@xxxxxxxxxxxxxx <mailto:ceph-users@xxxxxxxxxxxxxx>
>> > > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> > --
>> > Jeff Layton <jlayton@xxxxxxxxxxxxxxx
>> > <mailto:jlayton@xxxxxxxxxxxxxxx>>
>> >
>>
> _______________________________________________
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> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
--
Patrick Donnelly, Ph.D.
He / Him / His
Senior Software Engineer
Red Hat Sunnyvale, CA
GPG: 19F28A586F808C2402351B93C3301A3E258DD79D
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