Hi Tigran, I think Scott has a patch pending for this one, see the
thread "[PATCH] nfs: make pnfs_destroy_layout() wait on commit when
inode is being evicted" I've been carrying this fix:
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index b1af5dee5e0a..b77bc3e92fda 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1906,6 +1906,10 @@ int nfs_commit_inode(struct inode *inode, int
how)
if (res)
error = nfs_generic_commit_list(inode, &head, how,
&cinfo);
nfs_commit_end(cinfo.mds);
+
+ if (res == 0)
+ return 0;
+
if (error < 0)
goto out_error;
if (!may_wait)
Ben
On 7 Dec 2017, at 13:02, Mkrtchyan, Tigran wrote:
triggered on umount.
[18593.320000] ------------[ cut here ]------------
[18593.320003] kernel BUG at fs/inode.c:567!
[18593.320010] invalid opcode: 0000 [#1] SMP
[18593.320043] Modules linked in: nfs_layout_nfsv41_files
rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache
xt_nat veth ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_addrtype
br_netfilter overlay xfs uas usb_storage nfnetlink_queue nfnetlink_log
tun fuse ccm xt_multiport nf_conntrack_netbios_ns
nf_conntrack_broadcast xt_CT ip6t_rpfilter ip6t_REJECT nf_reject_ipv6
xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp
llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6
ip6table_mangle ip6table_raw ip6table_security iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
libcrc32c iptable_mangle iptable_raw iptable_security ebtable_filter
ebtables ip6table_filter ip6_tables bnep binfmt_misc sunrpc vfat fat
arc4 snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc
[18593.320416] snd_soc_sst_dsp snd_hda_ext_core uvcvideo intel_rapl
snd_soc_sst_match snd_hda_codec_hdmi videobuf2_vmalloc
x86_pkg_temp_thermal snd_soc_core intel_powerclamp videobuf2_memops
iwlmvm videobuf2_v4l2 videobuf2_core coretemp dell_laptop dell_wmi
iTCO_wdt iTCO_vendor_support mei_wdt kvm_intel videodev snd_compress
btusb sparse_keymap kvm mac80211 snd_hda_codec_realtek wmi_bmof ppdev
btrtl snd_hda_codec_generic dell_smbios dcdbas snd_pcm_dmaengine
ac97_bus media irqbypass iwlwifi crct10dif_pclmul snd_hda_intel
crc32_pclmul dell_smm_hwmon ghash_clmulni_intel intel_cstate
snd_hda_codec intel_uncore snd_hda_core intel_rapl_perf snd_hwdep
snd_seq cfg80211 rtsx_pci_ms snd_seq_device joydev snd_pcm memstick
snd_timer snd hci_uart soundcore i2c_i801 mei_me tpm_tis btbcm btqca
tpm_tis_core mei shpchp
[18593.320671] processor_thermal_device intel_pch_thermal
intel_soc_dts_iosf btintel tpm bluetooth wmi parport_pc parport
pinctrl_sunrisepoint intel_lpss_acpi pinctrl_intel ecdh_generic
intel_lpss dell_rbtn acpi_als kfifo_buf int3403_thermal rfkill
int340x_thermal_zone industrialio int3400_thermal acpi_thermal_rel
acpi_pad i915 rtsx_pci_sdmmc mmc_core e1000e i2c_algo_bit
drm_kms_helper ptp drm serio_raw rtsx_pci crc32c_intel pps_core video
i2c_hid
[18593.320818] CPU: 3 PID: 27568 Comm: umount.nfs4 Not tainted
4.13.16-300.fc27.x86_64 #1
[18593.320848] Hardware name: Dell Inc. Latitude E7470/0T6HHJ, BIOS
1.6.3 06/15/2016
[18593.320884] task: ffff8c8dbb6a0000 task.stack: ffffa512c6508000
[18593.320921] RIP: 0010:evict+0x172/0x190
[18593.320942] RSP: 0018:ffffa512c650bd70 EFLAGS: 00010202
[18593.320973] RAX: 0000000000000000 RBX: ffff8c8b6bf06400 RCX:
ffff8c8b6bf064a0
[18593.321009] RDX: ffffffff96e063f8 RSI: ffff8c8b6bf064a0 RDI:
ffffffff96e063f0
[18593.321048] RBP: ffffa512c650bd88 R08: 0000000000000001 R09:
0000000180150012
[18593.321084] R10: ffffa512c650bc68 R11: 0000000000000000 R12:
ffff8c8b6bf06520
[18593.321109] R13: ffffffffc11e94c0 R14: ffff8c8b54755c68 R15:
ffff8c8b6bf00e08
[18593.321135] FS: 00007f4a7deeb000(0000) GS:ffff8c8dcdd80000(0000)
knlGS:0000000000000000
[18593.321164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[18593.321190] CR2: 00007f4a7d8b0930 CR3: 00000001ba15a000 CR4:
00000000003406e0
[18593.321218] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[18593.321243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[18593.321276] Call Trace:
[18593.321291] dispose_list+0x4d/0x70
[18593.321306] evict_inodes+0x17a/0x1a0
[18593.321323] generic_shutdown_super+0x44/0x110
[18593.321349] nfs_kill_super+0x21/0x40 [nfs]
[18593.321366] deactivate_locked_super+0x43/0x70
[18593.321384] deactivate_super+0x3f/0x60
[18593.321400] cleanup_mnt+0x3f/0x80
[18593.321415] __cleanup_mnt+0x12/0x20
[18593.321431] task_work_run+0x76/0x90
[18593.321447] exit_to_usermode_loop+0xab/0xb0
[18593.321464] syscall_return_slowpath+0x8f/0xa0
[18593.321483] entry_SYSCALL_64_fastpath+0xa3/0xa5
[18593.321502] RIP: 0033:0x7f4a7d385ea7
[18593.321516] RSP: 002b:00007fff597454a8 EFLAGS: 00000246 ORIG_RAX:
00000000000000a6
[18593.321543] RAX: 0000000000000000 RBX: 00005619e0a4d920 RCX:
00007f4a7d385ea7
[18593.321574] RDX: 0000000000000001 RSI: 0000000000000000 RDI:
00005619e0a567d0
[18593.321605] RBP: 00005619e0a567d0 R08: 00007fff59745410 R09:
00005619e0a5b85a
[18593.321631] R10: 0000000000000013 R11: 0000000000000246 R12:
00007f4a7dabd184
[18593.321656] R13: 0000000000000000 R14: 00005619e0a5b660 R15:
00007fff59746379
[18593.321682] Code: 89 df e8 f2 5b fe ff eb 8f 48 83 bb 28 02 00 00
00 74 85 48 89 df e8 3e 24 02 00 0f b7 03 66 25 00 f0 e9 6b ff ff ff
0f 0b 0f 0b <0f> 0b 48 8d bb 78 01 00 00 e8 70 5c f5 ff 48 89 df e8 b8
ef ff
[18593.321774] RIP: evict+0x172/0x190 RSP: ffffa512c650bd70
[18593.329038] ---[ end trace bd3e16565ae6e59c ]---
Tigran.
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