> -----Original Message----- > From: Chuck Lever [mailto:chuck.lever@xxxxxxxxxx] > Sent: Monday, December 07, 2015 9:45 AM > To: Steve Wise > Cc: linux-rdma@xxxxxxxxxxxxxxx; Veeresh U. Kokatnur; Linux NFS Mailing List > Subject: Re: warning in ext4 with nfs/rdma server > > Hi Steve- > > > On Dec 7, 2015, at 10:38 AM, Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx> wrote: > > > > Hey Chuck/NFS developers, > > > > We're hitting this warning in ext4 on the linux-4.3 nfs server running over RDMA/cxgb4. We're still gathering data, like if it > > happens with NFS/TCP. But has anyone seen this warning on 4.3? Is it likely to indicate some bug in the xprtrdma transport or > > above it in NFS? > > Yes, please confirm with NFS/TCP. Thanks! > The same thing happens with NFS/TCP, so this isn't related to xprtrdma. > > > We can hit this running cthon tests over 2 mount points: > > > > ------------- > > #!/bin/bash > > rm -rf /root/cthon04/loop_iter.txt > > while [ 1 ] > > do > > { > > > > ./server -s -m /mnt/share1 -o rdma,port=20049,vers=4 -p /mnt/share1 -N 100 > > 102.1.1.162 & > > ./server -s -m /mnt/share2 -o rdma,port=20049,vers=3,rsize=65535,wsize=65535 -p > > /mnt/share2 -N 100 102.2.2.162 & > > wait > > echo "iteration $i" >>/root/cthon04/loop_iter.txt > > date >>/root/cthon04/loop_iter.txt > > } > > done > > -------------- > > > > Thanks, > > > > Steve. > > > > ------------[ cut here ]------------ > > WARNING: CPU: 14 PID: 6689 at fs/ext4/inode.c:231 ext4_evict_inode+0x41e/0x490 > > [ext4]() > > Modules linked in: nfsd(E) lockd(E) grace(E) nfs_acl(E) exportfs(E) > > auth_rpcgss(E) rpcrdma(E) sunrpc(E) rdma_ucm(E) ib_uverbs(E) rdma_cm(E) > > ib_cm(E) ib_sa(E) ib_mad(E) iw_cxgb4(E) iw_cm(E) ib_core(E) ib_addr(E) cxgb4(E) > > autofs4(E) target_core_iblock(E) target_core_file(E) target_core_pscsi(E) > > target_core_mod(E) configfs(E) bnx2fc(E) cnic(E) uio(E) fcoe(E) libfcoe(E) > > 8021q(E) libfc(E) garp(E) stp(E) llc(E) cpufreq_ondemand(E) cachefiles(E) > > fscache(E) ipv6(E) dm_mirror(E) dm_region_hash(E) dm_log(E) vhost_net(E) > > macvtap(E) macvlan(E) vhost(E) tun(E) kvm(E) uinput(E) microcode(E) sg(E) > > pcspkr(E) serio_raw(E) fam15h_power(E) k10temp(E) amd64_edac_mod(E) > > edac_core(E) edac_mce_amd(E) i2c_piix4(E) igb(E) dca(E) i2c_algo_bit(E) > > i2c_core(E) ptp(E) pps_core(E) scsi_transport_fc(E) acpi_cpufreq(E) dm_mod(E) > > ext4(E) jbd2(E) mbcache(E) sr_mod(E) cdrom(E) sd_mod(E) ahci(E) libahci(E) > > [last unloaded: cxgb4] > > CPU: 14 PID: 6689 Comm: nfsd Tainted: G E 4.3.0 #1 > > Hardware name: Supermicro H8QGL/H8QGL, BIOS 3.5 12/19/2013 > > 00000000000000e7 ffff88400634fad8 ffffffff812a4084 ffffffffa00c96eb > > 0000000000000000 ffff88400634fb18 ffffffff81059fd5 ffff88400634fbd8 > > ffff880fd1a460c8 ffff880fd1a461d8 ffff880fd1a46008 ffff88400634fbd8 > > Call Trace: > > [<ffffffff812a4084>] dump_stack+0x48/0x64 > > [<ffffffff81059fd5>] warn_slowpath_common+0x95/0xe0 > > [<ffffffff8105a03a>] warn_slowpath_null+0x1a/0x20 > > [<ffffffffa007dd6e>] ext4_evict_inode+0x41e/0x490 [ext4] > > [<ffffffff811bcaae>] evict+0xae/0x1a0 > > [<ffffffff811bcd45>] iput_final+0xe5/0x170 > > [<ffffffff811bce73>] iput+0xa3/0xf0 > > [<ffffffff811e14a4>] ? fsnotify_destroy_marks+0x64/0x80 > > [<ffffffff811bafc9>] dentry_unlink_inode+0xa9/0xe0 > > [<ffffffff811bb0a6>] d_delete+0xa6/0xb0 > > [<ffffffff811b3308>] vfs_unlink+0x138/0x140 > > [<ffffffffa0717835>] nfsd_unlink+0x165/0x200 [nfsd] > > [<ffffffffa071aa7c>] ? lru_put_end+0x5c/0x70 [nfsd] > > [<ffffffffa071e323>] nfsd3_proc_remove+0x83/0x120 [nfsd] > > [<ffffffffa07105ec>] nfsd_dispatch+0xdc/0x210 [nfsd] > > [<ffffffffa021c931>] svc_process_common+0x311/0x620 [sunrpc] > > [<ffffffffa0710bf0>] ? nfsd_set_nrthreads+0x1b0/0x1b0 [nfsd] > > [<ffffffffa021d078>] svc_process+0x128/0x1b0 [sunrpc] > > [<ffffffffa0710ce3>] nfsd+0xf3/0x160 [nfsd] > > [<ffffffff8107770c>] kthread+0xcc/0xf0 > > [<ffffffff8108282e>] ? schedule_tail+0x1e/0xc0 > > [<ffffffff81077640>] ? kthread_freezable_should_stop+0x70/0x70 > > [<ffffffff815d44ef>] ret_from_fork+0x3f/0x70 > > [<ffffffff81077640>] ? kthread_freezable_should_stop+0x70/0x70 > > ---[ end trace 39afe9aeef2cfb34 ]--- > > ------------[ cut here ]------------ > > -- > Chuck Lever > > -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
