On Thu, Dec 17, 2015 at 4:56 PM, Eric Eastman <eric.eastman@xxxxxxxxxxxxxx> wrote: > I patched the 4.4rc4 kernel source and restarted the test. Shortly > after starting it, this showed up in dmesg: > > [Thu Dec 17 03:29:55 2015] WARNING: CPU: 0 PID: 2547 at > fs/ceph/addr.c:1162 ceph_write_begin+0xfb/0x120 [ceph]() > [Thu Dec 17 03:29:55 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 > ipmi_ssif drm_kms_helper drm coretemp kvm gpio_ich i2c_algo_bit > i7core_edac fb_sys_fops syscopyarea edac_core sysfillrect sysimgblt > ipmi_si input_leds hpilo ipmi_msghandler shpchp acpi_power_meter > irqbypass serio_raw 8250_fintek lpc_ich mac_hid ceph bonding libceph > lp parport libcrc32c fscache 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 03:29:55 2015] CPU: 0 PID: 2547 Comm: iscsi_trx Tainted: G > W I 4.4.0-rc4-ede1 #1 > [Thu Dec 17 03:29:55 2015] Hardware name: HP ProLiant DL360 G6, BIOS > P64 01/22/2015 > [Thu Dec 17 03:29:55 2015] ffffffffc020cd47 ffff8805f1e97958 > ffffffff813ad644 0000000000000000 > [Thu Dec 17 03:29:55 2015] ffff8805f1e97990 ffffffff81079702 > ffff8805f1e97a50 00000000015dd000 > [Thu Dec 17 03:29:55 2015] ffff880c034df800 0000000000000200 > ffffea0000b26a80 ffff8805f1e979a0 > [Thu Dec 17 03:29:55 2015] Call Trace: > [Thu Dec 17 03:29:55 2015] [<ffffffff813ad644>] dump_stack+0x44/0x60 > [Thu Dec 17 03:29:55 2015] [<ffffffff81079702>] warn_slowpath_common+0x82/0xc0 > [Thu Dec 17 03:29:55 2015] [<ffffffff810797fa>] warn_slowpath_null+0x1a/0x20 > [Thu Dec 17 03:29:55 2015] [<ffffffffc01e53bb>] > ceph_write_begin+0xfb/0x120 [ceph] > [Thu Dec 17 03:29:55 2015] [<ffffffff8117c8df>] > generic_perform_write+0xbf/0x1a0 > [Thu Dec 17 03:29:55 2015] [<ffffffffc01dff9c>] > ceph_write_iter+0xf5c/0x1010 [ceph] > [Thu Dec 17 03:29:55 2015] [<ffffffff810a888c>] ? __enqueue_entity+0x6c/0x70 > [Thu Dec 17 03:29:55 2015] [<ffffffff813c0003>] ? > iov_iter_get_pages+0x113/0x210 > [Thu Dec 17 03:29:55 2015] [<ffffffff816b6802>] ? > skb_copy_datagram_iter+0x122/0x250 > [Thu Dec 17 03:29:55 2015] [<ffffffff811f6c93>] vfs_iter_write+0x63/0xa0 > [Thu Dec 17 03:29:55 2015] [<ffffffffc03c3f29>] > fd_do_rw.isra.5+0xc9/0x1b0 [target_core_file] > [Thu Dec 17 03:29:55 2015] [<ffffffffc03c40d5>] > fd_execute_rw+0xc5/0x2a0 [target_core_file] > [Thu Dec 17 03:29:55 2015] [<ffffffffc0445e72>] > sbc_execute_rw+0x22/0x30 [target_core_mod] > [Thu Dec 17 03:29:55 2015] [<ffffffffc04449cf>] > __target_execute_cmd+0x1f/0x70 [target_core_mod] > [Thu Dec 17 03:29:55 2015] [<ffffffffc0445525>] > target_execute_cmd+0x195/0x2a0 [target_core_mod] > [Thu Dec 17 03:29:55 2015] [<ffffffffc05c978a>] > iscsit_execute_cmd+0x20a/0x270 [iscsi_target_mod] > [Thu Dec 17 03:29:55 2015] [<ffffffffc05d28da>] > iscsit_sequence_cmd+0xda/0x190 [iscsi_target_mod] > [Thu Dec 17 03:29:55 2015] [<ffffffffc05d8c4d>] > iscsi_target_rx_thread+0x51d/0xe30 [iscsi_target_mod] > [Thu Dec 17 03:29:55 2015] [<ffffffff8101463d>] ? __switch_to+0x1cd/0x570 > [Thu Dec 17 03:29:55 2015] [<ffffffffc05d8730>] ? > iscsi_target_tx_thread+0x1c0/0x1c0 [iscsi_target_mod] > [Thu Dec 17 03:29:55 2015] [<ffffffff810974c9>] kthread+0xc9/0xe0 > [Thu Dec 17 03:29:55 2015] [<ffffffff81097400>] ? > kthread_create_on_node+0x180/0x180 > [Thu Dec 17 03:29:55 2015] [<ffffffff817c794f>] ret_from_fork+0x3f/0x70 > [Thu Dec 17 03:29:55 2015] [<ffffffff81097400>] ? > kthread_create_on_node+0x180/0x180 > [Thu Dec 17 03:29:55 2015] ---[ end trace 382a45986961da4e ]--- Could you please try the apply the new incremental patch and try again. Regards Yan, Zheng > > There are WARNINGs on both line 125 and 1162. I will attached the > whole set of dmesg output to the tracker ticket 14086 > > I wanted to note that file system snapshots are enabled and being used > on this file system. > > Thanks > Eric > > On Wed, Dec 16, 2015 at 8:15 AM, Eric Eastman > <eric.eastman@xxxxxxxxxxxxxx> wrote: >>>> >>> This warning is really strange. Could you try the attached debug patch. >>> >>> Regards >>> Yan, Zheng >> >> I will try the patch and get back to the list. >> >> Eric
Attachment:
cephfs1.patch
Description: Binary data
