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Date: Tue, 2 Apr 2013 02:28:10 -0400 (EDT) From: CAI Qian <caiqian@...hat.com> To: LKML <linux-kernel@...r.kernel.org> Cc: David Howells <dhowells@...hat.com> Subject: NULL pointer at kset_find_obj Just booted the latest mainline, [ 35.217698] Request for unknown module key 'Magrathea: Glacier signing key: 8b7774b08bc4ee9637073434c10f0823f6fbe523' err -11 [ 35.218511] BUG: unable to handle kernel paging request at ffffffffa03093f0 [ 35.218521] IP: [<ffffffff81304710>] kset_find_obj+0x30/0x80 [ 35.218524] PGD 1915067 PUD 1916063 PMD 7aa7c067 PTE 0 [ 35.218527] Oops: 0000 [#1] SMP [ 35.218540] Modules linked in: kvm(F+) microcode(F+) i2c_nforce2(F) edac_core(F) k8temp(F) shpchp(F) serio_raw(F) pcspkr(F) xfs(F) libcrc32c(F) sd_mod(F) crc_t10dif(F) sr_mod(F) cdrom(F) mptsas(F) radeon(F) i2c_algo_bit(F) scsi_transport_sas(F) drm_kms_helper(F) mptscsih(F) ttm(F) drm(F) mptbase(F) i2c_core(F) usb_storage(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F) [ 35.218547] CPU 2 [ 35.218547] Pid: 379, comm: systemd-udevd Tainted: GF 3.9.0-rc5+ #1 Dell Inc. PowerEdge M605/0NC596 [ 35.218550] RIP: 0010:[<ffffffff81304710>] [<ffffffff81304710>] kset_find_obj+0x30/0x80 [ 35.218552] RSP: 0018:ffff88011a429d78 EFLAGS: 00010287 [ 35.218553] RAX: ffffffffa03093f8 RBX: ffffffffa03093f0 RCX: ffffffffa03cd7d8 [ 35.218554] RDX: 000000000000006b RSI: ffffffffa03d4099 RDI: ffff88007c396c19 [ 35.218555] RBP: ffff88011a429d98 R08: 00000000ffff8000 R09: 0000000000007fff [ 35.218556] R10: 0000000000000001 R11: ffffc90004d9964a R12: ffff88011c13b9f8 [ 35.218557] R13: ffffffffa03d4098 R14: 0000000000000005 R15: ffff88011a429ee8 [ 35.218559] FS: 00007ffe5be08880(0000) GS:ffff88007dc80000(0000) knlGS:0000000000000000 [ 35.218560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.218561] CR2: ffffffffa03093f0 CR3: 000000011afa9000 CR4: 00000000000007e0 [ 35.218562] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.218563] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 35.218565] Process systemd-udevd (pid: 379, threadinfo ffff88011a428000, task ffff88011ad31ac0) [ 35.218566] Stack: [ 35.218570] 0000000000000000 ffffffffa03d4098 0000000000000000 ffffffffa03d4080 [ 35.218572] ffff88011a429ed8 ffffffff810c827d ffffffff81321880 ffffc90004deefff [ 35.218575] ffff88011d00c138 ffffc90004def000 8000000000000163 ffff88011ad31ac0 [ 35.218575] Call Trace: [ 35.218583] [<ffffffff810c827d>] load_module+0xb0d/0x1b00 [ 35.218587] [<ffffffff81321880>] ? ddebug_proc_open+0xc0/0xc0 [ 35.218593] [<ffffffff81628cd8>] ? page_fault+0x28/0x30 [ 35.218596] [<ffffffff810c9347>] sys_init_module+0xd7/0x120 [ 35.218601] [<ffffffff81630d59>] system_call_fastpath+0x16/0x1b [ 35.218619] Code: 55 49 89 f5 41 54 49 89 fc 48 8d 7f 10 53 48 83 ec 08 e8 54 3c 32 00 49 8b 04 24 49 39 c4 48 8d 58 f8 74 28 0f 1f 80 00 00 00 00 <48> 8b 3b 48 85 ff 74 0c 4c 89 ee e8 b0 4e 00 00 85 c0 74 24 48 [ 35.218621] RIP [<ffffffff81304710>] kset_find_obj+0x30/0x80 [ 35.218622] RSP <ffff88011a429d78> [ 35.218623] CR2: ffffffffa03093f0 [ 35.218626] ---[ end trace a2c34ee98fb28306 ]--- [ 35.242163] BUG: unable to handle kernel paging request at ffffffffa03093f0 [ 35.242172] IP: [<ffffffff81303fb0>] kobject_get_path+0x20/0xf0 [ 35.242175] PGD 1915067 PUD 1916063 PMD 7aa7c067 PTE 0 [ 35.242178] Oops: 0000 [#2] SMP [ 35.242192] Modules linked in: edac_mce_amd(F+) kvm(F+) microcode(F+) i2c_nforce2(F) edac_core(F) k8temp(F) shpchp(F) serio_raw(F) pcspkr(F) xfs(F) libcrc32c(F) sd_mod(F) crc_t10dif(F) sr_mod(F) cdrom(F) mptsas(F) radeon(F) i2c_algo_bit(F) scsi_transport_sas(F) drm_kms_helper(F) mptscsih(F) ttm(F) drm(F) mptbase(F) i2c_core(F) usb_storage(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F) [ 35.242200] CPU 1 [ 35.242201] Pid: 383, comm: systemd-udevd Tainted: GF D 3.9.0-rc5+ #1 Dell Inc. PowerEdge M605/0NC596 [ 35.242204] RIP: 0010:[<ffffffff81303fb0>] [<ffffffff81303fb0>] kobject_get_path+0x20/0xf0 [ 35.242205] RSP: 0018:ffff88011c0adc68 EFLAGS: 00010292 [ 35.242206] RAX: ffff88011b595668 RBX: ffffffffa03093f0 RCX: 0000000000000000 [ 35.242207] RDX: 0000000000000000 RSI: 00000000000000d0 RDI: ffffffffa03093f0 [ 35.242208] RBP: ffff88011c0adc98 R08: ffff88007d806f40 R09: ffff88007d806f40 [ 35.242209] R10: ffff88011d000c40 R11: 0000000000000001 R12: 0000000000000001 [ 35.242210] R13: 00000000000000d0 R14: ffffffffa03093f0 R15: ffff88011c13b9f8 [ 35.242212] FS: 00007ffe5be08880(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000 [ 35.242213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.242214] CR2: ffffffffa03093f0 CR3: 000000011bab1000 CR4: 00000000000007e0 [ 35.242216] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.242217] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 35.242218] Process systemd-udevd (pid: 383, threadinfo ffff88011c0ac000, task ffff88011a4c8000) [ 35.242219] Stack: [ 35.242224] 0000000000000000 0000000000000001 ffffffff81647130 ffffffffa03093f0 [ 35.242226] 0000000000000000 ffff88011c13b9f8 ffff88011c0add38 ffffffff81304ce6 [ 35.242229] 0000000000000018 0000000000000246 ffffffff81c8b2e2 0000000000000023 [ 35.242230] Call Trace: [ 35.242233] [<ffffffff81304ce6>] kobject_uevent_env+0x166/0x610 [ 35.242236] [<ffffffff8130519b>] kobject_uevent+0xb/0x10 [ 35.242238] [<ffffffff81303bca>] kobject_cleanup+0xca/0x1b0 [ 35.242241] [<ffffffff81303a0b>] kobject_put+0x2b/0x60 [ 35.242247] [<ffffffff810c8af4>] load_module+0x1384/0x1b00 [ 35.242252] [<ffffffff81321880>] ? ddebug_proc_open+0xc0/0xc0 [ 35.242259] [<ffffffff81628cd8>] ? page_fault+0x28/0x30 [ 35.242262] [<ffffffff810c9347>] sys_init_module+0xd7/0x120 [ 35.242268] [<ffffffff81630d59>] system_call_fastpath+0x16/0x1b [ 35.242285] Code: 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 49 89 fe 41 55 41 89 f5 41 54 41 bc 01 00 00 00 53 48 89 fb 48 83 ec 08 <48> 8b 3b 48 85 ff 0f 84 94 00 00 00 e8 7f 57 00 00 48 8b 5b 18 [ 35.242287] RIP [<ffffffff81303fb0>] kobject_get_path+0x20/0xf0 [ 35.242288] RSP <ffff88011c0adc68> [ 35.242289] CR2: ffffffffa03093f0 [ 35.242293] ---[ end trace a2c34ee98fb28307 ]--- [ 35.265175] Request for unknown module key 'Magrathea: Glacier signing key: 8b7774b08bc4ee9637073434c10f0823f6fbe523' err -11 [ 35.520324] Request for unknown module key 'Magrathea: Glacier signing key: 8b7774b08bc4ee9637073434c10f0823f6fbe523' err -11 [ 35.786703] Request for unknown module key 'Magrathea: Glacier signing key: 8b7774b08bc4ee9637073434c10f0823f6fbe523' err -11 [-- MARK -- Mon Apr 1 04:05:01 2013] [ 60.200012] BUG: soft lockup - CPU#1 stuck for 23s! [systemd-udevd:357] [ 60.200012] Modules linked in: bnx2(F+) dcdbas(F+) edac_mce_amd(F+) kvm(F+) microcode(F+) i2c_nforce2(F) edac_core(F) k8temp(F) shpchp(F) serio_raw(F) pcspkr(F) xfs(F) libcrc32c(F) sd_mod(F) crc_t10dif(F) sr_mod(F) cdrom(F) mptsas(F) radeon(F) i2c_algo_bit(F) scsi_transport_sas(F) drm_kms_helper(F) mptscsih(F) ttm(F) drm(F) mptbase(F) i2c_core(F) usb_storage(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F) [ 60.200012] CPU 1 [ 60.200012] Pid: 357, comm: systemd-udevd Tainted: GF D 3.9.0-rc5+ #1 Dell Inc. PowerEdge M605/0NC596 [ 60.200012] RIP: 0010:[<ffffffff81628372>] [<ffffffff81628372>] _raw_spin_lock+0x22/0x30 [ 60.200012] RSP: 0018:ffff88007a90fd68 EFLAGS: 00000293 [ 60.200012] RAX: 000000000000013b RBX: ffff88007d804480 RCX: ffffffffa0339a38 [ 60.274008] BUG: soft lockup - CPU#2 stuck for 23s! [systemd-udevd:373] [ 60.274014] Modules linked in: bnx2(F+) dcdbas(F+) edac_mce_amd(F+) kvm(F+) microcode(F+) i2c_nforce2(F) edac_core(F) k8temp(F) shpchp(F) serio_raw(F) pcspkr(F) xfs(F) libcrc32c(F) sd_mod(F) crc_t10dif(F) sr_mod(F) cdrom(F) mptsas(F) radeon(F) i2c_algo_bit(F) scsi_transport_sas(F) drm_kms_helper(F) mptscsih(F) ttm(F) drm(F) mptbase(F) i2c_core(F) usb_storage(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F) [ 60.274014] CPU 2 [ 60.274014] Pid: 373, comm: systemd-udevd Tainted: GF D 3.9.0-rc5+ #1 Dell Inc. PowerEdge M605/0NC596 [ 60.274014] RIP: 0010:[<ffffffff81628372>] [<ffffffff81628372>] _raw_spin_lock+0x22/0x30 [ 60.274014] RSP: 0018:ffff88011b793d68 EFLAGS: 00000297 [ 60.274014] RAX: 000000000000013b RBX: ffffffff81648fc0 RCX: 0000000000000000 [ 60.274014] RDX: 000000000000013c RSI: ffffffffa0302058 RDI: ffff88011c13ba08 [ 60.274014] RBP: ffff88011b793d68 R08: 00000000ffff8000 R09: 0000000000007fff [ 60.274014] R10: 0000000000000001 R11: ffffc90004798672 R12: ffff880000000002 [ 60.274014] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.274014] FS: 00007ffe5be08880(0000) GS:ffff88007dc80000(0000) knlGS:0000000000000000 [ 60.274014] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 60.274014] CR2: ffffffffa03093f0 CR3: 000000011be25000 CR4: 00000000000007e0 [ 60.274014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.274014] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 60.274014] Process systemd-udevd (pid: 373, threadinfo ffff88011b792000, task ffff88011ad9d040) [ 60.274014] Stack: [ 60.274014] ffff88011b793d98 ffffffff813046fc 0000000000000000 ffffffffa0302058 [ 60.274014] 0000000000000000 ffffffffa0302040 ffff88011b793ed8 ffffffff810c827d [ 60.274014] ffffffff81321880 ffffc9000479dfff ffff88011d00c120 ffffc9000479e000 [ 60.274014] Call Trace: [ 60.274014] [<ffffffff813046fc>] kset_find_obj+0x1c/0x80 [ 60.274014] [<ffffffff810c827d>] load_module+0xb0d/0x1b00 [ 60.274014] [<ffffffff81321880>] ? ddebug_proc_open+0xc0/0xc0 [ 60.274014] [<ffffffff81628cd8>] ? page_fault+0x28/0x30 [ 60.274014] [<ffffffff810c9347>] sys_init_module+0xd7/0x120 [ 60.274014] [<ffffffff81630d59>] system_call_fastpath+0x16/0x1b [ 60.274014] Code: 90 90 90 90 90 90 90 90 90 66 66 66 66 90 55 b8 00 00 01 00 48 89 e5 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 0e 0f 1f 40 00 f3 90 <0f> b7 07 66 39 d0 75 f6 5d c3 0f 1f 40 00 66 66 66 66 90 55 48 [ 60.348015] BUG: soft lockup - CPU#3 stuck for 23s! [systemd-udevd:454] [ 60.348015] Modules linked in: bnx2(F+) dcdbas(F+) edac_mce_amd(F+) kvm(F+) microcode(F+) i2c_nforce2(F) edac_core(F) k8temp(F) shpchp(F) serio_raw(F) pcspkr(F) xfs(F) libcrc32c(F) sd_mod(F) crc_t10dif(F) sr_mod(F) cdrom(F) mptsas(F) radeon(F) i2c_algo_bit(F) scsi_transport_sas(F) drm_kms_helper(F) mptscsih(F) ttm(F) drm(F) mptbase(F) i2c_core(F) usb_storage(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F) [ 60.348015] CPU 3 [ 60.348015] Pid: 454, comm: systemd-udevd Tainted: GF D 3.9.0-rc5+ #1 Dell Inc. PowerEdge M605/0NC596 [ 60.348015] RIP: 0010:[<ffffffff81628375>] [<ffffffff81628375>] _raw_spin_lock+0x25/0x30 [ 60.348015] RSP: 0018:ffff88011b0bbd68 EFLAGS: 00000293 [ 60.348015] RAX: 000000000000013b RBX: ffffffff81648fc0 RCX: 0000000000000000 [ 60.348015] RDX: 000000000000013d RSI: ffffffffa02e5398 RDI: ffff88011c13ba08 [ 60.348015] RBP: ffff88011b0bbd68 R08: 00000000ffff8000 R09: 0000000000007fff [ 60.348015] R10: 0000000000000001 R11: ffffc900047b3172 R12: ffff880000000002 [ 60.348015] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.348015] FS: 00007ffe5be08880(0000) GS:ffff88011fc80000(0000) knlGS:0000000000000000 [ 60.348015] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 60.348015] CR2: 00007ffe5bc54000 CR3: 000000011b09d000 CR4: 00000000000007e0 [ 60.348015] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.348015] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 60.348015] Process systemd-udevd (pid: 454, threadinfo ffff88011b0ba000, task ffff88011a1c0000) [ 60.348015] Stack: [ 60.348015] ffff88011b0bbd98 ffffffff813046fc 0000000000000000 ffffffffa02e5398 [ 60.348015] 0000000000000000 ffffffffa02e5380 ffff88011b0bbed8 ffffffff810c827d [ 60.348015] ffffffff81321880 ffffc900047b6fff ffff88011d00c120 ffffc900047b7000 [ 60.348015] Call Trace: [ 60.348015] [<ffffffff813046fc>] kset_find_obj+0x1c/0x80 [ 60.348015] [<ffffffff810c827d>] load_module+0xb0d/0x1b00 [ 60.348015] [<ffffffff81321880>] ? ddebug_proc_open+0xc0/0xc0 [ 60.348015] [<ffffffff81628cd8>] ? page_fault+0x28/0x30 [ 60.348015] [<ffffffff810c9347>] sys_init_module+0xd7/0x120 [ 60.348015] [<ffffffff81630d59>] system_call_fastpath+0x16/0x1b [ 60.348015] Code: 90 90 90 90 90 90 66 66 66 66 90 55 b8 00 00 01 00 48 89 e5 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 0e 0f 1f 40 00 f3 90 0f b7 07 <66> 39 d0 75 f6 5d c3 0f 1f 40 00 66 66 66 66 90 55 48 89 e5 66 [ 60.200012] RDX: 000000000000013e RSI: ffffffffa033a278 RDI: ffff88011c13ba08 [ 60.200012] RBP: ffff88007a90fd68 R08: 00000000ffff8000 R09: 0000000000007fff [ 60.200012] R10: 0000000000000001 R11: ffffc90004813a72 R12: 00000000000000d0 [ 60.200012] R13: 0000000000000000 R14: 0000000000000001 R15: ffff88011ffa1340 [ 60.200012] FS: 00007ffe5be08880(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000 [ 60.200012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.200012] CR2: 00007ffe5bc54000 CR3: 000000006a5f6000 CR4: 00000000000007e0 [ 60.200012] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.200012] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 60.200012] Process systemd-udevd (pid: 357, threadinfo ffff88007a90e000, task ffff88006a5c1ac0) [ 60.200012] Stack: [ 60.200012] ffff88007a90fd98 ffffffff813046fc 0000000000000000 ffffffffa033a278 [ 60.200012] 0000000000000000 ffffffffa033a260 ffff88007a90fed8 ffffffff810c827d [ 60.200012] ffffffff81321880 ffffc9000481dfff ffff88011d00c128 ffffc9000481e000 [ 60.200012] Call Trace: [ 60.200012] [<ffffffff813046fc>] kset_find_obj+0x1c/0x80 [ 60.200012] [<ffffffff810c827d>] load_module+0xb0d/0x1b00 [ 60.200012] [<ffffffff81321880>] ? ddebug_proc_open+0xc0/0xc0 [ 60.200012] [<ffffffff81628cd8>] ? page_fault+0x28/0x30 [ 60.200012] [<ffffffff810c9347>] sys_init_module+0xd7/0x120 [ 60.200012] [<ffffffff81630d59>] system_call_fastpath+0x16/0x1b CAI Qian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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