Bug 1025672
| Summary: | targetcli: scsi_debug is not unregistered properly after configuring pscsi backstore | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Bruno Goncalves <bgoncalv> |
| Component: | targetcli | Assignee: | Andy Grover <agrover> |
| Status: | CLOSED DUPLICATE | QA Contact: | Bruno Goncalves <bgoncalv> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 7.0 | CC: | agrover, mhoyer |
| Target Milestone: | rc | Keywords: | Triaged |
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | 1006283 | Environment: | |
| Last Closed: | 2015-09-01 16:04:07 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
|
Description
Bruno Goncalves
2013-11-01 08:52:25 UTC
RHEL7 Call Trace using targetcli-2.1.fb30-1.el7.noarch, 3.10.0-33.el7.x86_64. [ 532.739481] ------------[ cut here ]------------ [ 532.764107] WARNING: at fs/proc/generic.c:356 proc_register+0xc0/0x140() [ 532.799152] proc_dir_entry 'scsi/scsi_debug' already registered [ 532.828955] Modules linked in: scsi_debug(+) target_core_pscsi target_core_file target_core_iblock iscsi_target_mod target_core_mod dm_service_time sg coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd iTCO_wdt bnx2x iTCO_vendor_support mdio hpwdt hpilo sb_edac ntb ioatdma lpc_ich microcode serio_raw pcspkr edac_core mfd_core dca shpchp acpi_power_meter mperf nfsd auth_rpcgss nfs_acl lockd sunrpc dm_multipath xfs libcrc32c mgag200 syscopyarea sysfillrect sysimgblt i2c_algo_bit drm_kms_helper sd_mod ttm crc_t10dif drm i2c_core hpsa dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_debug] [ 533.133482] CPU: 41 PID: 3681 Comm: modprobe Tainted: G W -------------- 3.10.0-33.el7.x86_64 #1 [ 533.183529] Hardware name: HP ProLiant DL560 Gen8, BIOS P77 05/30/2012 [ 533.216979] 0000000000000009 ffff881024451a48 ffffffff815fdacb ffff881024451a80 [ 533.253856] ffffffff81058c61 ffff8810277dd500 ffff88081c7a0675 ffff88081c7a0600 [ 533.292451] ffff880c29aecb00 ffff8810277dd500 ffff881024451ae0 ffffffff81058ccc [ 533.330540] Call Trace: [ 533.342898] [<ffffffff815fdacb>] dump_stack+0x19/0x1b [ 533.368365] [<ffffffff81058c61>] warn_slowpath_common+0x61/0x80 [ 533.399409] [<ffffffff81058ccc>] warn_slowpath_fmt+0x4c/0x50 [ 533.428426] [<ffffffff81201e76>] ? proc_alloc_inum+0x36/0x140 [ 533.459296] [<ffffffff81202040>] proc_register+0xc0/0x140 [ 533.486726] [<ffffffff812021c2>] proc_mkdir_data+0x52/0x80 [ 533.516066] [<ffffffff81202225>] proc_mkdir+0x15/0x20 [ 533.541907] [<ffffffff81413413>] scsi_proc_hostdir_add+0x63/0x90 [ 533.573572] [<ffffffff81405e45>] scsi_host_alloc+0x2e5/0x350 [ 533.604692] [<ffffffffa02f4ac6>] sdebug_driver_probe+0x36/0x2b0 [scsi_debug] [ 533.642250] [<ffffffff813de062>] ? driver_sysfs_add+0x82/0xb0 [ 533.671790] [<ffffffff813de727>] driver_probe_device+0x87/0x390 [ 533.702666] [<ffffffff813dea30>] ? driver_probe_device+0x390/0x390 [ 533.733651] [<ffffffff813dea6b>] __device_attach+0x3b/0x40 [ 533.762589] [<ffffffff813dc723>] bus_for_each_drv+0x63/0xa0 [ 533.791943] [<ffffffff813de628>] device_attach+0x88/0xa0 [ 533.820296] [<ffffffff813dd998>] bus_probe_device+0x98/0xc0 [ 533.848898] [<ffffffff813db634>] device_add+0x4c4/0x7a0 [ 533.876368] [<ffffffff813db92a>] device_register+0x1a/0x20 [ 533.904687] [<ffffffffa02f5fc4>] sdebug_add_adapter+0xf4/0x1a0 [scsi_debug] [ 533.941239] [<ffffffffa02cc7f2>] scsi_debug_init+0x7f2/0x1000 [scsi_debug] [ 533.976396] [<ffffffffa02cc000>] ? 0xffffffffa02cbfff [ 534.003249] [<ffffffff810020e2>] do_one_initcall+0xe2/0x190 [ 534.031935] [<ffffffff810be3dc>] load_module+0x13fc/0x19f0 [ 534.060241] [<ffffffff8130b4b0>] ? ddebug_proc_write+0xf0/0xf0 [ 534.090153] [<ffffffff810bad34>] ? copy_module_from_fd.isra.42+0x44/0x140 [ 534.125293] [<ffffffff810beb46>] SyS_finit_module+0x86/0xb0 [ 534.155017] [<ffffffff8160cf99>] system_call_fastpath+0x16/0x1b [ 534.185144] ---[ end trace 3aa5242266fae25e ]--- Setting to ASSIGNED for clearconfig part. The oops on rmmod might be worthy of a separate bug. This request was resolved in Red Hat Enterprise Linux 7.0. Contact your manager or support representative in case you have further questions about the request. The comment above is incorrect. The correct version is bellow. I'm sorry for any inconvenience. --------------------------------------------------------------- This request was NOT resolved in Red Hat Enterprise Linux 7.0. Contact your manager or support representative in case you need to escalate this bug. Still reproducible on 3.10.0-195.el7 Oct 30 14:59:27 hp-nehalem-01 kernel: ------------[ cut here ]------------ Oct 30 14:59:27 hp-nehalem-01 kernel: WARNING: at fs/proc/generic.c:356 proc_register+0xc0/0x140() Oct 30 14:59:27 hp-nehalem-01 kernel: proc_dir_entry 'scsi/scsi_debug' already registered Oct 30 14:59:28 hp-nehalem-01 kernel: Modules linked in: scsi_debug(+) dm_crypt xts gf128mul target_core_pscsi target_core_file target_core_iblock iscsi_target_mod target_core_mod iptable_filter ip_tables ext4 mbcache jbd2 dm_service_time iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd sunrpc fscache cfg80211 rfkill iTCO_wdt iTCO_vendor_support coretemp hpilo hpwdt i7core_edac kvm_intel lpc_ich kvm ipmi_si crc32c_intel pcspkr serio_raw mfd_core edac_core shpchp ipmi_msghandler acpi_power_meter pcc_cpufreq dm_multipath xfs libcrc32c sr_mod cdrom sd_mod ata_generic crc_t10dif crct10dif_common pata_acpi radeon i2c_algo_bit drm_kms_helper ttm ata_piix drm libata i2c_core hpsa netxen_nic dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_debug] Oct 30 14:59:28 hp-nehalem-01 kernel: Oct 30 14:59:28 hp-nehalem-01 kernel: CPU: 14 PID: 14183 Comm: modprobe Not tainted 3.10.0-195.el7.x86_64 #1 Oct 30 14:59:28 hp-nehalem-01 kernel: Hardware name: HP ProLiant DL580 G7, BIOS P65 12/01/2011 Oct 30 14:59:28 hp-nehalem-01 kernel: ffff880238017a40 0000000069395bd5 ffff8802380179f8 ffffffff81603757 Oct 30 14:59:28 hp-nehalem-01 kernel: ffff880238017a30 ffffffff8106e241 ffff880238834900 ffff880437b20d35 Oct 30 14:59:28 hp-nehalem-01 kernel: ffff880437b20cc0 ffff880239e3e000 ffff880238834900 ffff880238017a98 Oct 30 14:59:28 hp-nehalem-01 kernel: Call Trace: Oct 30 14:59:28 hp-nehalem-01 kernel: [<ffffffff81603757>] dump_stack+0x19/0x1b Oct 30 14:59:28 hp-nehalem-01 kernel: [<ffffffff8106e241>] warn_slowpath_common+0x61/0x80 Oct 30 14:59:28 hp-nehalem-01 kernel: [<ffffffff8106e2bc>] warn_slowpath_fmt+0x5c/0x80 Oct 30 14:59:28 hp-nehalem-01 kernel: [<ffffffff812320f6>] ? proc_alloc_inum+0x46/0x160 Oct 30 14:59:28 hp-nehalem-01 kernel: [<ffffffff812322d0>] proc_register+0xc0/0x140 Oct 30 14:59:28 hp-nehalem-01 kernel: [<ffffffff81232452>] proc_mkdir_data+0x52/0x80 Oct 30 14:59:28 hp-nehalem-01 kernel: [<ffffffff812324b5>] proc_mkdir+0x15/0x20 Oct 30 14:59:28 hp-nehalem-01 kernel: [<ffffffff813ff443>] scsi_proc_hostdir_add+0x63/0x90 Oct 30 14:59:28 hp-nehalem-01 kernel: [<ffffffff813f05a7>] scsi_host_alloc+0x387/0x470 Oct 30 14:59:28 hp-nehalem-01 kernel: [<ffffffffa051fe16>] sdebug_driver_probe+0x46/0x2c0 [scsi_debug] Oct 30 14:59:29 hp-nehalem-01 sh: abrt-dump-oops: Found oopses: 1 Oct 30 14:59:29 hp-nehalem-01 sh: abrt-dump-oops: Creating problem directories Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff813d1a52>] ? driver_sysfs_add+0x82/0xb0 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff813d2137>] driver_probe_device+0x87/0x390 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff813d2440>] ? driver_probe_device+0x390/0x390 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff813d247b>] __device_attach+0x3b/0x40 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff813cff9b>] bus_for_each_drv+0x6b/0xb0 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff813d2038>] device_attach+0x88/0xa0 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff813d1338>] bus_probe_device+0x98/0xc0 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff813cede4>] device_add+0x4c4/0x7a0 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff813cf0da>] device_register+0x1a/0x20 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffffa0521574>] sdebug_add_adapter+0xf4/0x1a0 [scsi_debug] Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffffa05345e9>] scsi_debug_init+0x5e9/0x1000 [scsi_debug] Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffffa0534000>] ? 0xffffffffa0533fff Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff810020b8>] do_one_initcall+0xb8/0x230 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff810dcf5a>] load_module+0x131a/0x1b20 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff812f6400>] ? ddebug_proc_write+0xf0/0xf0 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff810d94f3>] ? copy_module_from_fd.isra.43+0x53/0x150 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff810dd916>] SyS_finit_module+0xa6/0xd0 Oct 30 14:59:29 hp-nehalem-01 kernel: [<ffffffff81613769>] system_call_fastpath+0x16/0x1b Oct 30 14:59:29 hp-nehalem-01 kernel: ---[ end trace b9a86033d4c0b2db ]--- I get an error creating pscsi using scsi_debug device, is this expected on newer version? Note that pscsi device is shown on targetcli # lsscsi [0:0:0:0] disk ATA ST9250610NS AA09 /dev/sda [7:0:0:0] disk Linux scsi_debug 0004 /dev/sdb # targetcli /backstores/pscsi create pscsi_dev /dev/sdb Warning: Could not load preferences file /root/.targetcli/prefs.bin. Note: block backstore recommended for SCSI block devices 'export_backstore_name_as_model' is set but emulate_model_alias not supported by kernel. # echo $? 1 # targetcli ls o- / ......................................................................................................................... [...] o- backstores .............................................................................................................. [...] | o- block .................................................................................................. [Storage Objects: 0] | o- fileio ................................................................................................. [Storage Objects: 0] | o- pscsi .................................................................................................. [Storage Objects: 1] | | o- pscsi_dev .......................................................................................... [/dev/sdb deactivated] | o- ramdisk ................................................................................................ [Storage Objects: 0] o- iscsi ............................................................................................................ [Targets: 0] o- loopback ......................................................................................................... [Targets: 0] kernel 3.10.0-302.el7.x86_64 targetcli-2.1.fb41-2.el7.noarch fixed in targetcli-2.1.fb41-3 verified using: targetcli-2.1.fb41-3.el7.noarch # uname -r 3.10.0-304.el7.x86_64 ############################## # modprobe scsi_debug # multipath -l mpatha (35333333000002710) dm-3 Linux ,scsi_debug size=8.0M features='0' hwhandler='0' wp=rw `-+- policy='service-time 0' prio=0 status=active `- 4:0:0:0 sdb 8:16 active undef running # multipath -f mpatha # # targetcli /backstores/pscsi create pscsi_dev /dev/sdb Note: block backstore recommended for SCSI block devices Created pscsi storage object pscsi_dev using /dev/sdb # targetcli ls o- / ..................................................................... [...] o- backstores .......................................................... [...] | o- block .............................................. [Storage Objects: 0] | o- fileio ............................................. [Storage Objects: 0] | o- pscsi .............................................. [Storage Objects: 1] | | o- pscsi_dev ...................................... [/dev/sdb deactivated] | o- ramdisk ............................................ [Storage Objects: 0] o- iscsi ........................................................ [Targets: 0] o- loopback ..................................................... [Targets: 0] # targetcli clearconfig True All configuration cleared # targetcli ls o- / ..................................................................... [...] o- backstores .......................................................... [...] | o- block .............................................. [Storage Objects: 0] | o- fileio ............................................. [Storage Objects: 0] | o- pscsi .............................................. [Storage Objects: 0] | o- ramdisk ............................................ [Storage Objects: 0] o- iscsi ........................................................ [Targets: 0] o- loopback ..................................................... [Targets: 0] # ls /proc/scsi/ device_info scsi scsi_debug sg # rmmod scsi_debug # # ls /proc/scsi/ device_info scsi sg this was fixed by the lio rebase, marking closed. *** This bug has been marked as a duplicate of bug 1136558 *** |