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dmesg error in xfs_aops.c on kernel 3.14.21

To: xfs@xxxxxxxxxxx
Subject: dmesg error in xfs_aops.c on kernel 3.14.21
From: BillStuff <billstuff2001@xxxxxxxxxxxxx>
Date: Sat, 11 Oct 2014 13:59:27 -0500
Delivered-to: xfs@xxxxxxxxxxx
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Hi,

I'm running 3.14.21, and got these traces in dmesg; they appear to be from xfs:

[56180.816526] ------------[ cut here ]------------
[56180.816550] WARNING: CPU: 5 PID: 67 at fs/xfs/xfs_aops.c:1172 xfs_vm_releasepage+0x9e/0xb0 [xfs]() [56180.816551] Modules linked in: bsd_comp ppp_synctty ppp_async crc_ccitt ppp_generic slhc nvidia(PO) nct6775 hwmon_vid nfsd ipv6 ipt_MASQUERADE xt_conntrack iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_filter ip_tables x_tables pcmcia pcmcia_core nls_utf8 isofs agpgart fuse or51132 snd_usb_audio snd_usbmidi_lib cx88_dvb videobuf_dvb dvb_core cx88_vp3054_i2c snd_hwdep snd_pcm ir_mce_kbd_decoder ir_lirc_codec lirc_dev ir_sony_decoder ir_nec_decoder ir_sanyo_decoder ir_rc6_decoder ir_rc5_decoder ir_jvc_decoder snd_rawmidi rc_hauppauge tuner_simple tuner_types tda9887 tda8290 tuner snd_seq_device x86_pkg_temp_thermal snd_timer coretemp cx8800 kvm_intel cx8802 cx88xx tveeprom btcx_risc videobuf_dma_sg videobuf_core snd i2c_algo_bit rc_core kvm crc32c_intel v4l2_common i2c_dev usb_storage r8169 videodev i2c_i801 processor microcode soundcore thermal_sys i2c_core mii lpc_ich hwmon mfd_core evdev mxm_wmi wmi button loop hid_generic xhci_hcd uhci_hcd ohci_hcd ehci_pci ehci_hcd usbhid hid pata_jmicron xfs ext3 jbd ext2 mbcache raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx [last unloaded: nvidia] [56180.816581] CPU: 5 PID: 67 Comm: kswapd0 Tainted: P O 3.14.21be-dirty #1 [56180.816582] Hardware name: System manufacturer System Product Name/SABERTOOTH X79, BIOS 4608 12/24/2013 [56180.816583] 00000000 00000000 e8ff5d48 c14d69b3 00000000 e8ff5d78 c104348e c15d9f44 [56180.816586] 00000005 00000043 f3b72e77 00000494 f3afbdbe f3afbdbe f3afbd20 00000000 [56180.816588] edcd43c0 e8ff5d88 c1043552 00000009 00000000 e8ff5db0 f3afbdbe 00000000
[56180.816590] Call Trace:
[56180.816594]  [<c14d69b3>] dump_stack+0x41/0x52
[56180.816597]  [<c104348e>] warn_slowpath_common+0x7e/0xa0
[56180.816604]  [<f3afbdbe>] ? xfs_vm_releasepage+0x9e/0xb0 [xfs]
[56180.816609]  [<f3afbdbe>] ? xfs_vm_releasepage+0x9e/0xb0 [xfs]
[56180.816615]  [<f3afbd20>] ? xfs_count_page_state+0x60/0x60 [xfs]
[56180.816616]  [<c1043552>] warn_slowpath_null+0x22/0x30
[56180.816621]  [<f3afbdbe>] xfs_vm_releasepage+0x9e/0xb0 [xfs]
[56180.816627]  [<f3afbd20>] ? xfs_count_page_state+0x60/0x60 [xfs]
[56180.816629]  [<c10ebdd3>] try_to_release_page+0x33/0x50
[56180.816632]  [<c10fbfca>] shrink_active_list+0x28a/0x290
[56180.816634]  [<c10fc453>] shrink_zone+0x483/0x6f0
[56180.816636]  [<c10f8f49>] ? zone_balanced+0x29/0x70
[56180.816637]  [<c10fcfae>] kswapd+0x3fe/0x890
[56180.816639]  [<c10fcbb0>] ? try_to_free_pages+0x4f0/0x4f0
[56180.816642]  [<c1060121>] kthread+0xa1/0xc0
[56180.816644]  [<c14dd137>] ret_from_kernel_thread+0x1b/0x28
[56180.816646]  [<c1060080>] ? kthread_create_on_node+0x110/0x110
[56180.816647] ---[ end trace f7821664f1bc8f4b ]---
[56180.821101] ------------[ cut here ]------------
[56180.821109] WARNING: CPU: 5 PID: 67 at fs/xfs/xfs_aops.c:1172 xfs_vm_releasepage+0x9e/0xb0 [xfs]() [56180.821110] Modules linked in: bsd_comp ppp_synctty ppp_async crc_ccitt ppp_generic slhc nvidia(PO) nct6775 hwmon_vid nfsd ipv6 ipt_MASQUERADE xt_conntrack iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_filter ip_tables x_tables pcmcia pcmcia_core nls_utf8 isofs agpgart fuse or51132 snd_usb_audio snd_usbmidi_lib cx88_dvb videobuf_dvb dvb_core cx88_vp3054_i2c snd_hwdep snd_pcm ir_mce_kbd_decoder ir_lirc_codec lirc_dev ir_sony_decoder ir_nec_decoder ir_sanyo_decoder ir_rc6_decoder ir_rc5_decoder ir_jvc_decoder snd_rawmidi rc_hauppauge tuner_simple tuner_types tda9887 tda8290 tuner snd_seq_device x86_pkg_temp_thermal snd_timer coretemp cx8800 kvm_intel cx8802 cx88xx tveeprom btcx_risc videobuf_dma_sg videobuf_core snd i2c_algo_bit rc_core kvm crc32c_intel v4l2_common i2c_dev usb_storage r8169 videodev i2c_i801 processor microcode soundcore thermal_sys i2c_core mii lpc_ich hwmon mfd_core evdev mxm_wmi wmi button loop hid_generic xhci_hcd uhci_hcd ohci_hcd ehci_pci ehci_hcd usbhid hid pata_jmicron xfs ext3 jbd ext2 mbcache raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx [last unloaded: nvidia] [56180.821137] CPU: 5 PID: 67 Comm: kswapd0 Tainted: P W O 3.14.21be-dirty #1 [56180.821138] Hardware name: System manufacturer System Product Name/SABERTOOTH X79, BIOS 4608 12/24/2013 [56180.821138] 00000000 00000000 e8ff5d48 c14d69b3 00000000 e8ff5d78 c104348e c15d9f44 [56180.821140] 00000005 00000043 f3b72e77 00000494 f3afbdbe f3afbdbe f3afbd20 00000000 [56180.821143] f07f2660 e8ff5d88 c1043552 00000009 00000000 e8ff5db0 f3afbdbe 00000000
[56180.821145] Call Trace:
[56180.821146]  [<c14d69b3>] dump_stack+0x41/0x52
[56180.821148]  [<c104348e>] warn_slowpath_common+0x7e/0xa0
[56180.821154]  [<f3afbdbe>] ? xfs_vm_releasepage+0x9e/0xb0 [xfs]
[56180.821160]  [<f3afbdbe>] ? xfs_vm_releasepage+0x9e/0xb0 [xfs]
[56180.821165]  [<f3afbd20>] ? xfs_count_page_state+0x60/0x60 [xfs]
[56180.821167]  [<c1043552>] warn_slowpath_null+0x22/0x30
[56180.821172]  [<f3afbdbe>] xfs_vm_releasepage+0x9e/0xb0 [xfs]
[56180.821177]  [<f3afbd20>] ? xfs_count_page_state+0x60/0x60 [xfs]
[56180.821179]  [<c10ebdd3>] try_to_release_page+0x33/0x50
[56180.821181]  [<c10fbfca>] shrink_active_list+0x28a/0x290
[56180.821182]  [<c10fc453>] shrink_zone+0x483/0x6f0
[56180.821184]  [<c10f8f49>] ? zone_balanced+0x29/0x70
[56180.821186]  [<c10fcfae>] kswapd+0x3fe/0x890
[56180.821188]  [<c10fcbb0>] ? try_to_free_pages+0x4f0/0x4f0
[56180.821189]  [<c1060121>] kthread+0xa1/0xc0
[56180.821191]  [<c14dd137>] ret_from_kernel_thread+0x1b/0x28
[56180.821192]  [<c1060080>] ? kthread_create_on_node+0x110/0x110
[56180.821193] ---[ end trace f7821664f1bc8f4c ]---

Can anyone tell me what these mean and if they might be bad?

thanks,
Bill

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