While this may be unrelated, it is one of the errors that seems to occur around the same time as the issues detailed in "soft lockup in the laundromat" [1] and "NMI/soft lockup in nfs_delegation_need_return()" [2]. This is on an NFSv4.2/KRB5 client using kernel-3.18.9-200.fc21.x86_64 with the patch from thread "[PATCH] NFS: fix clp->cl_revoked list deletion causing softlock in nfsd" applied at the Fedora kernel packaging level. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6545 at net/sunrpc/clnt.c:2161 call_decode+0x269/0x8a0 [sunrpc]() Modules linked in: dm_crypt bnep bluetooth rfkill veth cts rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_na shpchp i2c_i801 crc32c_intel serio_raw dcdbas ghash_clmulni_intel nfsd auth_rpcgss nfs_acl lockd grace sunrpc uas usb_storage nouveau video mxm_wmi broadcom wmi i2c_algo_bit drm_kms_helper ttm drm tg3 ptp pps_core CPU: 0 PID: 6545 Comm: kworker/0:1 Not tainted 3.18.9-200.fc21.x86_64 #1 Hardware name: Dell Inc. XPS 8300 /0Y2MRG, BIOS A06 10/17/2011 Workqueue: rpciod rpc_async_schedule [sunrpc] 0000000000000000 0000000089b51bad ffff88015d23fcc8 ffffffff8175b71c 0000000000000000 0000000000000000 ffff88015d23fd08 ffffffff81098eb1 0000000000000000 ffff8801572f1218 ffff880017369000 ffff8802060f1000 Call Trace: [<ffffffff8175b71c>] dump_stack+0x46/0x58 [<ffffffff81098eb1>] warn_slowpath_common+0x81/0xa0 [<ffffffffa0641810>] ? nfs4_xdr_dec_readdir+0xf0/0xf0 [nfsv4] [<ffffffff81098fca>] warn_slowpath_null+0x1a/0x20 [<ffffffffa02810a9>] call_decode+0x269/0x8a0 [sunrpc] [<ffffffffa0280e40>] ? call_refreshresult+0x150/0x150 [sunrpc] [<ffffffffa0280e40>] ? call_refreshresult+0x150/0x150 [sunrpc] [<ffffffffa028b6e4>] __rpc_execute+0x94/0x450 [sunrpc] [<ffffffffa028bab5>] rpc_async_schedule+0x15/0x20 [sunrpc] [<ffffffff810b1a6d>] process_one_work+0x14d/0x3f0 [<ffffffff810b23c3>] worker_thread+0x53/0x470 [<ffffffff810b2370>] ? rescuer_thread+0x290/0x290 [<ffffffff810b75b8>] kthread+0xd8/0xf0 [<ffffffff810b74e0>] ? kthread_create_on_node+0x1b0/0x1b0 [<ffffffff8176207c>] ret_from_fork+0x7c/0xb0 [<ffffffff810b74e0>] ? kthread_create_on_node+0x1b0/0x1b0 ---[ end trace aa1a2fd825fce8b1 ]--- [1] http://www.spinics.net/lists/linux-nfs/msg49735.html [2] http://www.spinics.net/lists/linux-nfs/msg47059.html [3] http://www.spinics.net/lists/linux-nfs/msg49798.html -- Anthony - https://messinet.com/ - https://messinet.com/~amessina/gallery 8F89 5E72 8DF0 BCF0 10BE 9967 92DC 35DC B001 4A4E
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