> Not enough information, unfortunately (descriptor in question opened > outside of that log, sendfile(out_fd=578, in_fd=578, offset=0x7f8318a07000, > count=0x3ffc00) doesn't tell what *offset was before the call) ;-/ > > Anyway, I've found and fixed a bug in pipe_advance(), which might or might > not help with those. Could you try vfs.git#work.splice_read (or #for-next) > and see if these persist? I am afraid that this can also reproduced in the latest #for-next . The warning always showed up at the end of trinity run. I captured more information this time. http://people.redhat.com/qcai/tmp/trinity-child150.log http://people.redhat.com/qcai/tmp/tri-full.log (big file so may just grep "child150") http://people.redhat.com/qcai/tmp/trinity.log [ 2187.697999] ------------[ cut here ]------------ [ 2187.703181] WARNING: CPU: 34 PID: 67630 at lib/iov_iter.c:316 sanity+0x6b/0x6f [ 2187.713890] Modules linked in: fuse vmac tcp_diag udp_diag inet_diag ieee802154_socket ieee802154 af_key vmw_vsock_vmci_transport vsock vmw_vmci bluetooth rfkill can pptp gre l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppoe pppox ppp_generic slhc nfnetlink scsi_transport_iscsi atm sctp veth ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc overlay intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd iTCO_wdt iTCO_vendor_support pcspkr ipmi_ssif i2c_i801 i2c_smbus mei_me sg lpc_ich mei shpchp wmi ipmi_si ipmi_msghandler acpi_pad acpi_power_meter nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod sd_mod cdrom mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops crc32c_intel ttm ixgbe drm ahci libahci mdio ptp libata i2c_core pps_core dca fjes dm_mirror dm_region_hash dm_log dm_mod [ 2187.828488] CPU: 29 PID: 67630 Comm: trinity-c150 Not tainted 4.8.0-rc8-fornext+ #1 [ 2187.837034] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0044.R00.1501191641 01/19/2015 [ 2187.848392] 0000000000000286 00000000a4c9de22 ffff8803f0d5bb30 ffffffff813d30ac [ 2187.856687] 0000000000000000 0000000000000000 ffff8803f0d5bb70 ffffffff8109cf31 [ 2187.864983] 0000013c1923e8c0 ffffea000db71000 0000000000001000 ffff88044b127200 [ 2187.873282] Call Trace: [ 2187.876017] [<ffffffff813d30ac>] dump_stack+0x85/0xc9 [ 2187.881756] [<ffffffff8109cf31>] __warn+0xd1/0xf0 [ 2187.887104] [<ffffffff8109d06d>] warn_slowpath_null+0x1d/0x20 [ 2187.893616] [<ffffffff81418ec8>] sanity+0x6b/0x6f [ 2187.898967] [<ffffffff813e97a6>] copy_page_to_iter+0xf6/0x1e0 [ 2187.905478] [<ffffffff811e3926>] generic_file_read_iter+0x406/0x800 [ 2187.912570] [<ffffffff810f8b1d>] ? down_read_nested+0x4d/0x80 [ 2187.919123] [<ffffffffa029b74e>] ? xfs_ilock+0x1ae/0x260 [xfs] [ 2187.925746] [<ffffffffa028af2f>] xfs_file_buffered_aio_read+0x6f/0x1b0 [xfs] [ 2187.933756] [<ffffffffa028b6e8>] xfs_file_read_iter+0x68/0xc0 [xfs] [ 2187.940847] [<ffffffff812bb559>] generic_file_splice_read+0xb9/0x1b0 [ 2187.948034] [<ffffffff812bbb13>] do_splice_to+0x73/0x90 [ 2187.953962] [<ffffffff812bbc1b>] splice_direct_to_actor+0xeb/0x220 [ 2187.960955] [<ffffffff812bb0e0>] ? generic_pipe_buf_nosteal+0x10/0x10 [ 2187.968243] [<ffffffff812bbdd9>] do_splice_direct+0x89/0xd0 [ 2187.974561] [<ffffffff8128263e>] do_sendfile+0x1ce/0x3b0 [ 2187.980580] [<ffffffff812831ef>] SyS_sendfile64+0x6f/0xd0 [ 2187.986698] [<ffffffff81003c9c>] do_syscall_64+0x6c/0x1e0 [ 2187.992823] [<ffffffff817d4a3f>] entry_SYSCALL64_slow_path+0x25/0x25 [ 2188.000349] ---[ end trace a3a1d0412c1a1214 ]--- [ 2188.006348] ------------[ cut here ]------------ [ 2188.011842] WARNING: CPU: 26 PID: 67630 at lib/iov_iter.c:316 sanity+0x6b/0x6f [ 2188.019914] Modules linked in: fuse vmac tcp_diag udp_diag inet_diag ieee802154_socket ieee802154 af_key vmw_vsock_vmci_transport vsock vmw_vmci bluetooth rfkill can pptp gre l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppoe pppox ppp_generic slhc nfnetlink scsi_transport_iscsi atm sctp veth ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc overlay intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd iTCO_wdt iTCO_vendor_support pcspkr ipmi_ssif i2c_i801 i2c_smbus mei_me sg lpc_ich mei shpchp wmi ipmi_si ipmi_msghandler acpi_pad acpi_power_meter nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod sd_mod cdrom mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops crc32c_intel ttm ixgbe drm ahci libahci mdio ptp libata i2c_core pps_core dca fjes dm_mirror dm_region_hash dm_log dm_mod [ 2188.133408] CPU: 54 PID: 67630 Comm: trinity-c150 Tainted: G W 4.8.0-rc8-fornext+ #1 [ 2188.143310] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0044.R00.1501191641 01/19/2015 [ 2188.154667] 0000000000000286 00000000a4c9de22 ffff8803f0d5bb30 ffffffff813d30ac [ 2188.162962] 0000000000000000 0000000000000000 ffff8803f0d5bb70 ffffffff8109cf31 [ 2188.171257] 0000013c1923e8c8 ffffea000dbbd700 0000000000001000 ffff88044b127200 [ 2188.179551] Call Trace: [ 2188.182284] [<ffffffff813d30ac>] dump_stack+0x85/0xc9 [ 2188.188022] [<ffffffff8109cf31>] __warn+0xd1/0xf0 [ 2188.193368] [<ffffffff8109d06d>] warn_slowpath_null+0x1d/0x20 [ 2188.199879] [<ffffffff81418ec8>] sanity+0x6b/0x6f [ 2188.205227] [<ffffffff813e97a6>] copy_page_to_iter+0xf6/0x1e0 [ 2188.211738] [<ffffffff811e3926>] generic_file_read_iter+0x406/0x800 [ 2188.218824] [<ffffffff810f8b1d>] ? down_read_nested+0x4d/0x80 [ 2188.225363] [<ffffffffa029b74e>] ? xfs_ilock+0x1ae/0x260 [xfs] [ 2188.231988] [<ffffffffa028af2f>] xfs_file_buffered_aio_read+0x6f/0x1b0 [xfs] [ 2188.239967] [<ffffffffa028b6e8>] xfs_file_read_iter+0x68/0xc0 [xfs] [ 2188.247059] [<ffffffff812bb559>] generic_file_splice_read+0xb9/0x1b0 [ 2188.254246] [<ffffffff812bbb13>] do_splice_to+0x73/0x90 [ 2188.260174] [<ffffffff812bbc1b>] splice_direct_to_actor+0xeb/0x220 [ 2188.267168] [<ffffffff812bb0e0>] ? generic_pipe_buf_nosteal+0x10/0x10 [ 2188.274453] [<ffffffff812bbdd9>] do_splice_direct+0x89/0xd0 [ 2188.280771] [<ffffffff8128263e>] do_sendfile+0x1ce/0x3b0 [ 2188.286796] [<ffffffff812831ef>] SyS_sendfile64+0x6f/0xd0 [ 2188.292918] [<ffffffff81003c9c>] do_syscall_64+0x6c/0x1e0 [ 2188.299040] [<ffffffff817d4a3f>] entry_SYSCALL64_slow_path+0x25/0x25 [ 2188.313523] ---[ end trace a3a1d0412c1a1215 ]--- [ 2188.458941] ------------[ cut here ]------------ [ 2188.464181] WARNING: CPU: 10 PID: 67630 at lib/iov_iter.c:316 sanity+0x6b/0x6f [ 2188.472261] Modules linked in: fuse vmac tcp_diag udp_diag inet_diag ieee802154_socket ieee802154 af_key vmw_vsock_vmci_transport vsock vmw_vmci bluetooth rfkill can pptp gre l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppoe pppox ppp_generic slhc nfnetlink scsi_transport_iscsi atm sctp veth ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc overlay intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd iTCO_wdt iTCO_vendor_support pcspkr ipmi_ssif i2c_i801 i2c_smbus mei_me sg lpc_ich mei shpchp wmi ipmi_si ipmi_msghandler acpi_pad acpi_power_meter nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod sd_mod cdrom mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops crc32c_intel ttm ixgbe drm ahci libahci mdio ptp libata i2c_core pps_core dca fjes dm_mirror dm_region_hash dm_log dm_mod [ 2188.585528] CPU: 38 PID: 67630 Comm: trinity-c150 Tainted: G W 4.8.0-rc8-fornext+ #1 [ 2188.595431] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0044.R00.1501191641 01/19/2015 [ 2188.606786] 0000000000000286 00000000a4c9de22 ffff8803f0d5bb30 ffffffff813d30ac [ 2188.615082] 0000000000000000 0000000000000000 ffff8803f0d5bb70 ffffffff8109cf31 [ 2188.623379] 0000013c11bafb58 ffffea000ee78980 0000000000001000 ffff88044b127200 [ 2188.631675] Call Trace: [ 2188.634410] [<ffffffff813d30ac>] dump_stack+0x85/0xc9 [ 2188.640148] [<ffffffff8109cf31>] __warn+0xd1/0xf0 [ 2188.645497] [<ffffffff8109d06d>] warn_slowpath_null+0x1d/0x20 [ 2188.652324] [<ffffffff81418ec8>] sanity+0x6b/0x6f [ 2188.657672] [<ffffffff813e97a6>] copy_page_to_iter+0xf6/0x1e0 [ 2188.664185] [<ffffffff811e3926>] generic_file_read_iter+0x406/0x800 [ 2188.671268] [<ffffffff810f8b1d>] ? down_read_nested+0x4d/0x80 [ 2188.677825] [<ffffffffa029b74e>] ? xfs_ilock+0x1ae/0x260 [xfs] [ 2188.684450] [<ffffffffa028af2f>] xfs_file_buffered_aio_read+0x6f/0x1b0 [xfs] [ 2188.692433] [<ffffffffa028b6e8>] xfs_file_read_iter+0x68/0xc0 [xfs] [ 2188.699525] [<ffffffff812bb559>] generic_file_splice_read+0xb9/0x1b0 [ 2188.706711] [<ffffffff812bbb13>] do_splice_to+0x73/0x90 [ 2188.712638] [<ffffffff812bbc1b>] splice_direct_to_actor+0xeb/0x220 [ 2188.719632] [<ffffffff812bb0e0>] ? generic_pipe_buf_nosteal+0x10/0x10 [ 2188.726916] [<ffffffff812bbdd9>] do_splice_direct+0x89/0xd0 [ 2188.733231] [<ffffffff8128263e>] do_sendfile+0x1ce/0x3b0 [ 2188.739255] [<ffffffff812831ef>] SyS_sendfile64+0x6f/0xd0 [ 2188.745377] [<ffffffff81003c9c>] do_syscall_64+0x6c/0x1e0 [ 2188.751500] [<ffffffff817d4a3f>] entry_SYSCALL64_slow_path+0x25/0x25 [ 2188.760216] ---[ end trace a3a1d0412c1a1216 ]--- -- 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
