Activity log for bug #1559784

Date Who What changed Old value New value Message
2016-03-20 21:59:51 Rafael David Tinoco bug added bug
2016-03-20 22:00:11 Brad Figg linux (Ubuntu): status New Incomplete
2016-03-20 22:00:15 Rafael David Tinoco bug added subscriber Dimitri John Ledkov
2016-03-20 22:00:31 Rafael David Tinoco description Right after unloading zFCP device I got: [ 1432.522123] sysfs group 0000000000b5aa30 not found for kobject '1:0:0:1073823786' [ 1432.522138] ------------[ cut here ]------------ [ 1432.522139] WARNING: at /build/linux-RgAt0H/linux-4.3.0/fs/sysfs/group.c:224 [ 1432.522140] Modules linked in: ghash_s390(E) prng(E) aes_s390(E) des_s390(E) des_generic(E) sha512_s390(E) sha256_s390(E) sha1_s390(E) sha_common(E) vmur(E) qeth_l2(E) qeth(E) ccwgroup(E) dasd_eckd_mod(E) dasd_mod(E) zfcp(E-) qdio(E) scsi_transport_fc(E) [ 1432.522149] CPU: 2 PID: 5873 Comm: rmmod Tainted: G E 4.3.0-2-generic #11-Ubuntu [ 1432.522151] task: 0000000076f4a9e0 ti: 00000000ed85c000 task.ti: 00000000ed85c000 [ 1432.522152] Krnl PSW : 0704d00180000000 000000000036cbee (sysfs_remove_group+0xbe/0xd0) [ 1432.522158] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 EA:3 Krnl GPRS: 0000000000c76c33 0000000000c58e3c 0000000000000045 00000000fb1ac7a0 [ 1432.522160] 000000000036cbea 0000000000000000 0000000078d70050 0000000078d70000 [ 1432.522161] 0000000080000000 00000000f93df000 0000000078d7e010 0000000000000000 [ 1432.522162] 00000000ed85c000 0000000000b5aa30 000000000036cbea 00000000ed85fa78 [ 1432.522168] Krnl Code: 000000000036cbde: c020002bc358 larl %r2,8e528e 000000000036cbe4: c0e5fff7144a brasl %r14,24f478 #000000000036cbea: a7f40001 brc 15,36cbec >000000000036cbee: e340f0c00004 lg %r4,192(%r15) 000000000036cbf4: ebaff0a00004 lmg %r10,%r15,160(%r15) 000000000036cbfa: 07f4 bcr 15,%r4 000000000036cbfc: 0707 bcr 0,%r7 000000000036cbfe: 0707 bcr 0,%r7 [ 1432.522177] Call Trace: [ 1432.522179] ([<000000000036cbea>] sysfs_remove_group+0xba/0xd0) [ 1432.522183] [<0000000000575a44>] device_del+0x5c/0x268 [ 1432.522184] [<0000000000575c90>] device_unregister+0x40/0x98 [ 1432.522186] [<00000000004d9b0c>] bsg_unregister_queue+0x74/0xd8 [ 1432.522189] [<00000000005aff76>] __scsi_remove_device+0xe6/0x118 [ 1432.522192] [<00000000005adaca>] scsi_forget_host+0xca/0xf8 [ 1432.522193] [<000000000059fa86>] scsi_remove_host+0xbe/0x1c8 [ 1432.522200] [<000003ff800496a6>] zfcp_scsi_adapter_unregister+0x9e/0xc8 [zfcp] [ 1432.522202] [<000003ff8003b55e>] zfcp_adapter_unregister+0x7e/0xc0 [zfcp] [ 1432.522205] [<000003ff8003c876>] zfcp_ccw_remove+0x28e/0x2b0 [zfcp] [ 1432.522207] [<0000000000604814>] ccw_device_remove+0x44/0x210 [ 1432.522209] [<000000000057a9fe>] __device_release_driver+0xa6/0x150 [ 1432.522211] [<000000000057b782>] driver_detach+0x11a/0x120 [ 1432.522212] [<000000000057a342>] bus_remove_driver+0x82/0x118 [ 1432.522214] [<000003ff8004bdd2>] zfcp_module_exit+0x2a/0x258 [zfcp] [ 1432.522217] [<00000000001caf6c>] SyS_delete_module+0x1c4/0x210 [ 1432.522221] [<000000000076dbfe>] system_call+0xd6/0x264 [ 1432.522222] [<000003ffb0f6e416>] 0x3ffb0f6e416 [ 1432.522223] Last Breaking-Event-Address: [ 1432.522224] [<000000000036cbea>] sysfs_remove_group+0xba/0xd0 [ 1432.522225] ---[ end trace 2e7b1c668b02f90a ]--- [ 1432.522430] sysfs group 0000000000b5aa30 not found for kobject '1:0:0:1073823786' [ 1432.522434] ------------[ cut here ]------------ Opening the bug for tracking purposes. Right after unloading zFCP module I got: [ 1432.522123] sysfs group 0000000000b5aa30 not found for kobject '1:0:0:1073823786' [ 1432.522138] ------------[ cut here ]------------ [ 1432.522139] WARNING: at /build/linux-RgAt0H/linux-4.3.0/fs/sysfs/group.c:224 [ 1432.522140] Modules linked in: ghash_s390(E) prng(E) aes_s390(E) des_s390(E) des_generic(E) sha512_s390(E) sha256_s390(E) sha1_s390(E) sha_common(E) vmur(E) qeth_l2(E) qeth(E) ccwgroup(E) dasd_eckd_mod(E) dasd_mod(E) zfcp(E-) qdio(E) scsi_transport_fc(E) [ 1432.522149] CPU: 2 PID: 5873 Comm: rmmod Tainted: G E 4.3.0-2-generic #11-Ubuntu [ 1432.522151] task: 0000000076f4a9e0 ti: 00000000ed85c000 task.ti: 00000000ed85c000 [ 1432.522152] Krnl PSW : 0704d00180000000 000000000036cbee (sysfs_remove_group+0xbe/0xd0) [ 1432.522158] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 EA:3                Krnl GPRS: 0000000000c76c33 0000000000c58e3c 0000000000000045 00000000fb1ac7a0 [ 1432.522160] 000000000036cbea 0000000000000000 0000000078d70050 0000000078d70000 [ 1432.522161] 0000000080000000 00000000f93df000 0000000078d7e010 0000000000000000 [ 1432.522162] 00000000ed85c000 0000000000b5aa30 000000000036cbea 00000000ed85fa78 [ 1432.522168] Krnl Code: 000000000036cbde: c020002bc358 larl %r2,8e528e                           000000000036cbe4: c0e5fff7144a brasl %r14,24f478                          #000000000036cbea: a7f40001 brc 15,36cbec                          >000000000036cbee: e340f0c00004 lg %r4,192(%r15)                           000000000036cbf4: ebaff0a00004 lmg %r10,%r15,160(%r15)                           000000000036cbfa: 07f4 bcr 15,%r4                           000000000036cbfc: 0707 bcr 0,%r7                           000000000036cbfe: 0707 bcr 0,%r7 [ 1432.522177] Call Trace: [ 1432.522179] ([<000000000036cbea>] sysfs_remove_group+0xba/0xd0) [ 1432.522183] [<0000000000575a44>] device_del+0x5c/0x268 [ 1432.522184] [<0000000000575c90>] device_unregister+0x40/0x98 [ 1432.522186] [<00000000004d9b0c>] bsg_unregister_queue+0x74/0xd8 [ 1432.522189] [<00000000005aff76>] __scsi_remove_device+0xe6/0x118 [ 1432.522192] [<00000000005adaca>] scsi_forget_host+0xca/0xf8 [ 1432.522193] [<000000000059fa86>] scsi_remove_host+0xbe/0x1c8 [ 1432.522200] [<000003ff800496a6>] zfcp_scsi_adapter_unregister+0x9e/0xc8 [zfcp] [ 1432.522202] [<000003ff8003b55e>] zfcp_adapter_unregister+0x7e/0xc0 [zfcp] [ 1432.522205] [<000003ff8003c876>] zfcp_ccw_remove+0x28e/0x2b0 [zfcp] [ 1432.522207] [<0000000000604814>] ccw_device_remove+0x44/0x210 [ 1432.522209] [<000000000057a9fe>] __device_release_driver+0xa6/0x150 [ 1432.522211] [<000000000057b782>] driver_detach+0x11a/0x120 [ 1432.522212] [<000000000057a342>] bus_remove_driver+0x82/0x118 [ 1432.522214] [<000003ff8004bdd2>] zfcp_module_exit+0x2a/0x258 [zfcp] [ 1432.522217] [<00000000001caf6c>] SyS_delete_module+0x1c4/0x210 [ 1432.522221] [<000000000076dbfe>] system_call+0xd6/0x264 [ 1432.522222] [<000003ffb0f6e416>] 0x3ffb0f6e416 [ 1432.522223] Last Breaking-Event-Address: [ 1432.522224] [<000000000036cbea>] sysfs_remove_group+0xba/0xd0 [ 1432.522225] ---[ end trace 2e7b1c668b02f90a ]--- [ 1432.522430] sysfs group 0000000000b5aa30 not found for kobject '1:0:0:1073823786' [ 1432.522434] ------------[ cut here ]------------ Opening the bug for tracking purposes.
2016-03-20 22:00:43 Rafael David Tinoco linux (Ubuntu): milestone xenial-updates
2016-03-20 22:00:57 Rafael David Tinoco nominated for series Ubuntu Xenial
2016-03-20 22:01:05 Rafael David Tinoco tags s390 s390x
2016-03-20 22:08:19 Rafael David Tinoco bug added subscriber dann frazier
2016-03-20 22:08:39 Rafael David Tinoco bug added subscriber Stefan Bader
2016-03-20 23:24:00 Rafael David Tinoco linux (Ubuntu): status Incomplete In Progress
2016-03-20 23:24:06 Rafael David Tinoco linux (Ubuntu): importance Undecided High
2016-03-21 16:32:00 Tim Gardner bug task added linux (Ubuntu Xenial)
2016-03-23 10:12:28 Christian Ehrhardt  linux (Ubuntu Xenial): status In Progress Invalid
2016-03-23 10:15:31 Christian Ehrhardt  linux (Ubuntu Xenial): status Invalid Fix Released
2016-04-27 14:28:34 Mathew Hodson linux (Ubuntu): milestone xenial-updates