On Fri, Dec 18, 2015 at 3:49 AM, Eric Eastman <eric.eastman@xxxxxxxxxxxxxx> wrote: > With cephfs.patch and cephfs1.patch applied and I am now seeing: > > [Thu Dec 17 14:27:59 2015] ------------[ cut here ]------------ > [Thu Dec 17 14:27:59 2015] WARNING: CPU: 0 PID: 3036 at > fs/ceph/addr.c:1171 ceph_write_begin+0xfb/0x120 [ceph]() > [Thu Dec 17 14:27:59 2015] Modules linked in: iscsi_target_mod > vhost_scsi tcm_qla2xxx ib_srpt tcm_fc tcm_usb_gadget tcm_loop > target_core_file target_core_iblock target_core_pscsi target_core_user > target_core_mod ipmi_devintf vhost qla2xxx ib_cm ib_sa ib_mad ib_core > ib_addr libfc scsi_transport_fc libcomposite udc_core uio configfs ttm > drm_kms_helper drm ipmi_ssif coretemp gpio_ich i2c_algo_bit kvm > fb_sys_fops syscopyarea sysfillrect sysimgblt shpchp input_leds ceph > irqbypass i7core_edac serio_raw hpilo edac_core ipmi_si > ipmi_msghandler 8250_fintek lpc_ich acpi_power_meter libceph mac_hid > libcrc32c fscache bonding lp parport mlx4_en vxlan ip6_udp_tunnel > udp_tunnel ptp pps_core hid_generic usbhid hid mlx4_core hpsa psmouse > bnx2 fjes scsi_transport_sas [last unloaded: target_core_mod] > [Thu Dec 17 14:27:59 2015] CPU: 0 PID: 3036 Comm: iscsi_trx Tainted: G > W I 4.4.0-rc4-ede2 #1 > [Thu Dec 17 14:27:59 2015] Hardware name: HP ProLiant DL360 G6, BIOS > P64 01/22/2015 > [Thu Dec 17 14:27:59 2015] ffffffffc02b2e37 ffff880c0289b958 > ffffffff813ad644 0000000000000000 > [Thu Dec 17 14:27:59 2015] ffff880c0289b990 ffffffff81079702 > ffff880c0289ba50 0000000846c21000 > [Thu Dec 17 14:27:59 2015] ffff880c009ea200 0000000000001000 > ffffea00122ed700 ffff880c0289b9a0 > [Thu Dec 17 14:27:59 2015] Call Trace: > [Thu Dec 17 14:27:59 2015] [<ffffffff813ad644>] dump_stack+0x44/0x60 > [Thu Dec 17 14:27:59 2015] [<ffffffff81079702>] warn_slowpath_common+0x82/0xc0 > [Thu Dec 17 14:27:59 2015] [<ffffffff810797fa>] warn_slowpath_null+0x1a/0x20 > [Thu Dec 17 14:27:59 2015] [<ffffffffc028b41b>] > ceph_write_begin+0xfb/0x120 [ceph] > [Thu Dec 17 14:27:59 2015] [<ffffffff8117c8df>] > generic_perform_write+0xbf/0x1a0 > [Thu Dec 17 14:27:59 2015] [<ffffffffc0285f9c>] > ceph_write_iter+0xf5c/0x1010 [ceph] > [Thu Dec 17 14:27:59 2015] [<ffffffff817c3396>] ? __schedule+0x386/0x9c0 > [Thu Dec 17 14:27:59 2015] [<ffffffff817c3a05>] ? schedule+0x35/0x80 > [Thu Dec 17 14:27:59 2015] [<ffffffff811d7c65>] ? __slab_free+0xb5/0x290 > [Thu Dec 17 14:27:59 2015] [<ffffffff813c0003>] ? > iov_iter_get_pages+0x113/0x210 > [Thu Dec 17 14:27:59 2015] [<ffffffff811f6c93>] vfs_iter_write+0x63/0xa0 > [Thu Dec 17 14:27:59 2015] [<ffffffffc02d2f29>] > fd_do_rw.isra.5+0xc9/0x1b0 [target_core_file] > [Thu Dec 17 14:27:59 2015] [<ffffffffc02d30d5>] > fd_execute_rw+0xc5/0x2a0 [target_core_file] > [Thu Dec 17 14:27:59 2015] [<ffffffffc0430e72>] > sbc_execute_rw+0x22/0x30 [target_core_mod] > [Thu Dec 17 14:27:59 2015] [<ffffffffc042f9cf>] > __target_execute_cmd+0x1f/0x70 [target_core_mod] > [Thu Dec 17 14:27:59 2015] [<ffffffffc0430525>] > target_execute_cmd+0x195/0x2a0 [target_core_mod] > [Thu Dec 17 14:27:59 2015] [<ffffffffc05b778a>] > iscsit_execute_cmd+0x20a/0x270 [iscsi_target_mod] > [Thu Dec 17 14:27:59 2015] [<ffffffffc05c08da>] > iscsit_sequence_cmd+0xda/0x190 [iscsi_target_mod] > [Thu Dec 17 14:27:59 2015] [<ffffffffc05c6c4d>] > iscsi_target_rx_thread+0x51d/0xe30 [iscsi_target_mod] > [Thu Dec 17 14:27:59 2015] [<ffffffff8101463d>] ? __switch_to+0x1cd/0x570 > [Thu Dec 17 14:27:59 2015] [<ffffffffc05c6730>] ? > iscsi_target_tx_thread+0x1c0/0x1c0 [iscsi_target_mod] > [Thu Dec 17 14:27:59 2015] [<ffffffff810974c9>] kthread+0xc9/0xe0 > [Thu Dec 17 14:27:59 2015] [<ffffffff81097400>] ? > kthread_create_on_node+0x180/0x180 > [Thu Dec 17 14:27:59 2015] [<ffffffff817c794f>] ret_from_fork+0x3f/0x70 > [Thu Dec 17 14:27:59 2015] [<ffffffff81097400>] ? > kthread_create_on_node+0x180/0x180 > [Thu Dec 17 14:27:59 2015] ---[ end trace 8346192e3f29ed5d ]--- > The page gets unlocked mystically. I still don't find any clue. Could you please try the new patch (not incremental patch). Besides, please enable CONFIG_DEBUG_VM when compiling the kernel. Thanks you very much Yan, Zheng
Attachment:
cephfs_new.patch
Description: Binary data
