On Sun, Sep 03, 2017 at 09:22:17AM +0500, Михаил Гаврилов wrote: > [281502.961248] ------------[ cut here ]------------ > [281502.961257] kernel BUG at fs/xfs/xfs_aops.c:853! This is: bh = head = page_buffers(page); Which looks odd and like some sort of VM/writeback change might have triggered that we get a page without buffers, despite always creating buffers in iomap_begin/end and page_mkwrite. Ccing linux-mm if anything odd happen in that area recently. Can you tell anything about the workload you are running? > [281502.961263] invalid opcode: 0000 [#1] SMP > [281502.961299] Modules linked in: xt_CHECKSUM ipt_MASQUERADE > nf_nat_masquerade_ipv4 tun nls_utf8 isofs rfcomm fuse > 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 iptable_mangle iptable_raw > iptable_security ebtable_filter ebtables ip6table_filter ip6_tables > bnep sunrpc vfat fat xfs libcrc32c snd_usb_audio snd_usbmidi_lib > snd_rawmidi intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp > kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul btrfs > ghash_clmulni_intel intel_cstate iTCO_wdt iTCO_vendor_support > [281502.961684] ppdev intel_uncore xor intel_rapl_perf i2c_i801 > huawei_cdc_ncm option raid6_pq cdc_wdm joydev cdc_ncm btusb usb_wwan > snd_hda_codec_hdmi snd_hda_codec_realtek btrtl btbcm > snd_hda_codec_ca0132 btintel snd_hda_codec_generic bluetooth > gspca_zc3xx gspca_main v4l2_common snd_hda_intel videodev cdc_ether > snd_hda_codec usbnet media ecdh_generic snd_hda_core rfkill snd_hwdep > snd_seq snd_seq_device snd_pcm snd_timer mei_me snd mei lpc_ich > soundcore shpchp parport_pc parport tpm_infineon tpm_tis tpm_tis_core > tpm binfmt_misc hid_logitech_hidpp hid_logitech_dj uas usb_storage > i915 crc32c_intel i2c_algo_bit drm_kms_helper drm r8169 mii video bfq > [281502.962014] CPU: 7 PID: 81 Comm: kswapd0 Not tainted > 4.13.0-0.rc6.git4.1.fc28.x86_64 #1 > [281502.962052] Hardware name: Gigabyte Technology Co., Ltd. > Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014 > [281502.962094] task: ffff9f5b31acb300 task.stack: ffffabcd43e48000 > [281502.962161] RIP: 0010:xfs_do_writepage+0x735/0x830 [xfs] > [281502.962188] RSP: 0018:ffffabcd43e4b988 EFLAGS: 00010246 > [281502.962216] RAX: 0000000000001000 RBX: ffffabcd43e4ba98 RCX: > 000000000000000c > [281502.962251] RDX: 0017ffffc0030009 RSI: ffffe8881f3cf900 RDI: > 0000000000000246 > [281502.962287] RBP: ffffabcd43e4ba30 R08: ffffe8881f3cf900 R09: > 0000000000000002 > [281502.962321] R10: ffffabcd43e4b9e0 R11: 0000000000000000 R12: > ffff9f57fa7b6110 > [281502.962356] R13: ffffabcd43e4bc40 R14: ffffabcd43e4ba40 R15: > ffffe8881f3cf920 > [281502.962392] FS: 0000000000000000(0000) GS:ffff9f5b5da00000(0000) > knlGS:0000000000000000 > [281502.962430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [281502.962458] CR2: 00007ff86cb39018 CR3: 0000000815e11000 CR4: > 00000000001426e0 > [281502.962494] Call Trace: > [281502.962515] ? sched_clock+0x9/0x10 > [281502.962539] ? clear_page_dirty_for_io+0x140/0x2b0 > [281502.962590] xfs_vm_writepage+0x3b/0x70 [xfs] > [281502.962618] pageout.isra.54+0x103/0x420 > [281502.962646] shrink_page_list+0x982/0xdf0 > [281502.962674] shrink_inactive_list+0x225/0x630 > [281502.962704] shrink_node_memcg+0x36c/0x770 > [281502.962734] shrink_node+0xf7/0x2f0 > [281502.962753] ? shrink_node+0xf7/0x2f0 > [281502.962779] kswapd+0x325/0x990 > [281502.962804] kthread+0x133/0x150 > [281502.962824] ? mem_cgroup_shrink_node+0x330/0x330 > [281502.962849] ? kthread_create_on_node+0x70/0x70 > [281502.962875] ret_from_fork+0x2a/0x40 > [281502.962898] Code: ce 48 c7 00 00 00 00 00 48 c7 44 30 f8 00 00 00 > 00 48 83 e7 f8 48 29 f8 01 c1 89 c8 c1 e8 03 89 c1 31 c0 f3 48 ab e9 > 0f fe ff ff <0f> 0b e8 54 44 3a d9 85 c0 0f 85 44 fe ff ff 48 c7 c2 48 > a2 df > [281502.963085] RIP: xfs_do_writepage+0x735/0x830 [xfs] RSP: ffffabcd43e4b988 > [281502.972614] ---[ end trace 1ba3042d56323a9c ]--- > > > Anybody can look what is culprit here? > > > -- > Best Regards, > Mike Gavrilov. > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html ---end quoted text--- -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
