Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964778Ab2JER32 (ORCPT ); Fri, 5 Oct 2012 13:29:28 -0400 Received: from mail-ie0-f174.google.com ([209.85.223.174]:38712 "EHLO mail-ie0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750897Ab2JER30 (ORCPT ); Fri, 5 Oct 2012 13:29:26 -0400 MIME-Version: 1.0 Date: Fri, 5 Oct 2012 13:29:25 -0400 X-Google-Sender-Auth: i1gnXyypPp_TBVgzYgBf6P0ZiRc Message-ID: Subject: Possible regression: BUG in fs/sysfs/group.c:65 From: Ben Guthro To: Linux Kernel Mailing List Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 10692 Lines: 182 I am seeing a regression in today's (Oct 5) kernel - 2 WARNINGS, and a BUG below that seems to occur upon resuming from S3. I can start a bisection with 3.6 - but wanted to check to see if anyone else is also experiencing this failure... I'm not sure that it matters in this case, but this is running as a Xen dom0 pvops kernel. Regards Ben Guthro [ 1554.684622] ------------[ cut here ]------------ [ 1554.684634] WARNING: at /data/home/bguthro/dev/unstable/linux/fs/sysfs/dir.c:536 sysfs_add_one+0xc0/0xf0() [ 1554.684636] Hardware name: 2765T6U [ 1554.684638] sysfs: cannot create duplicate filename '/devices/pnp0/00:0c/ppi' [ 1554.684640] Modules linked in: tpm_tis(+) tpm tpm_bios ehci_hcd ebtable_filter ebtables ip_tables x_tables zram(C) zsmalloc(C) bridge stp llc snd_hda_codec_conexant arc4 i915 snd_hda_intel iwldvm snd_hda_codec mac80211 pcmcia hid_generic drm_kms_helper yenta_socket snd_hwdep snd_pcm iwlwifi drm pcmcia_rsrc snd_timer pcmcia_core usbhid thinkpad_acpi coretemp snd_page_alloc cfg80211 psmouse hid i2c_algo_bit intel_agp serio_raw microcode intel_gtt snd soundcore video nvram ahci libahci e1000e [last unloaded: tpm_bios] [ 1554.684681] Pid: 3492, comm: modprobe Tainted: G C 3.6.0-orc #3 [ 1554.684683] Call Trace: [ 1554.684691] [] warn_slowpath_common+0x7f/0xc0 [ 1554.684695] [] warn_slowpath_fmt+0x46/0x50 [ 1554.684699] [] sysfs_add_one+0xc0/0xf0 [ 1554.684702] [] create_dir+0x7c/0xd0 [ 1554.684706] [] sysfs_create_dir+0x86/0xe0 [ 1554.684712] [] kobject_add_internal+0x9c/0x210 [ 1554.684716] [] kobject_add+0x67/0xc0 [ 1554.684720] [] kobject_create_and_add+0x3e/0x80 [ 1554.684725] [] sys_add_ppi+0x18/0x40 [tpm_bios] [ 1554.684731] [] tpm_register_hardware+0x22e/0x3c0 [tpm] [ 1554.684736] [] tpm_tis_init+0x44/0x601 [tpm_tis] [ 1554.684741] [] tpm_tis_pnp_init+0xee/0x10d [tpm_tis] [ 1554.684746] [] ? tpm_tis_init+0x601/0x601 [tpm_tis] [ 1554.684751] [] pnp_device_probe+0x70/0xf0 [ 1554.684757] [] ? driver_sysfs_add+0x7a/0xb0 [ 1554.684761] [] driver_probe_device+0x7b/0x240 [ 1554.684764] [] __driver_attach+0xab/0xb0 [ 1554.684768] [] ? driver_probe_device+0x240/0x240 [ 1554.684772] [] bus_for_each_dev+0x56/0x90 [ 1554.684776] [] driver_attach+0x1e/0x20 [ 1554.684779] [] bus_add_driver+0x190/0x290 [ 1554.684784] [] ? 0xffffffffa010cfff [ 1554.684787] [] driver_register+0x7a/0x160 [ 1554.684791] [] ? 0xffffffffa010cfff [ 1554.684795] [] pnp_register_driver+0x21/0x30 [ 1554.684800] [] init_tis+0x1d/0xc5 [tpm_tis] [ 1554.684805] [] ? __blocking_notifier_call_chain+0x63/0x80 [ 1554.684809] [] do_one_initcall+0x3f/0x170 [ 1554.684814] [] sys_init_module+0x8f/0x200 [ 1554.684819] [] system_call_fastpath+0x16/0x1b [ 1554.684822] ---[ end trace b394e16efa725e57 ]--- [ 1554.684825] ------------[ cut here ]------------ [ 1554.684829] WARNING: at /data/home/bguthro/dev/unstable/linux/lib/kobject.c:196 kobject_add_internal+0x1f4/0x210() [ 1554.684830] Hardware name: 2765T6U [ 1554.684832] kobject_add_internal failed for ppi with -EEXIST, don't try to register things with the same name in the same directory. [ 1554.684834] Modules linked in: tpm_tis(+) tpm tpm_bios ehci_hcd ebtable_filter ebtables ip_tables x_tables zram(C) zsmalloc(C) bridge stp llc snd_hda_codec_conexant arc4 i915 snd_hda_intel iwldvm snd_hda_codec mac80211 pcmcia hid_generic drm_kms_helper yenta_socket snd_hwdep snd_pcm iwlwifi drm pcmcia_rsrc snd_timer pcmcia_core usbhid thinkpad_acpi coretemp snd_page_alloc cfg80211 psmouse hid i2c_algo_bit intel_agp serio_raw microcode intel_gtt snd soundcore video nvram ahci libahci e1000e [last unloaded: tpm_bios] [ 1554.684870] Pid: 3492, comm: modprobe Tainted: G WC 3.6.0-orc #3 [ 1554.684872] Call Trace: [ 1554.684876] [] warn_slowpath_common+0x7f/0xc0 [ 1554.684880] [] warn_slowpath_fmt+0x46/0x50 [ 1554.684884] [] ? release_sysfs_dirent+0x61/0xe0 [ 1554.684888] [] kobject_add_internal+0x1f4/0x210 [ 1554.684892] [] kobject_add+0x67/0xc0 [ 1554.684897] [] kobject_create_and_add+0x3e/0x80 [ 1554.684901] [] sys_add_ppi+0x18/0x40 [tpm_bios] [ 1554.684906] [] tpm_register_hardware+0x22e/0x3c0 [tpm] [ 1554.684911] [] tpm_tis_init+0x44/0x601 [tpm_tis] [ 1554.684916] [] tpm_tis_pnp_init+0xee/0x10d [tpm_tis] [ 1554.684921] [] ? tpm_tis_init+0x601/0x601 [tpm_tis] [ 1554.684925] [] pnp_device_probe+0x70/0xf0 [ 1554.684929] [] ? driver_sysfs_add+0x7a/0xb0 [ 1554.684933] [] driver_probe_device+0x7b/0x240 [ 1554.684936] [] __driver_attach+0xab/0xb0 [ 1554.684940] [] ? driver_probe_device+0x240/0x240 [ 1554.684944] [] bus_for_each_dev+0x56/0x90 [ 1554.684947] [] driver_attach+0x1e/0x20 [ 1554.684951] [] bus_add_driver+0x190/0x290 [ 1554.684955] [] ? 0xffffffffa010cfff [ 1554.684958] [] driver_register+0x7a/0x160 [ 1554.684962] [] ? 0xffffffffa010cfff [ 1554.684966] [] pnp_register_driver+0x21/0x30 [ 1554.684970] [] init_tis+0x1d/0xc5 [tpm_tis] [ 1554.684974] [] ? __blocking_notifier_call_chain+0x63/0x80 [ 1554.684978] [] do_one_initcall+0x3f/0x170 [ 1554.684981] [] sys_init_module+0x8f/0x200 [ 1554.684985] [] system_call_fastpath+0x16/0x1b [ 1554.684987] ---[ end trace b394e16efa725e58 ]--- [ 1554.684990] kobject_create_and_add: kobject_add error: -17 [ 1554.685002] ------------[ cut here ]------------ [ 1554.685040] kernel BUG at /data/home/bguthro/dev/unstable/linux/fs/sysfs/group.c:65! [ 1554.685086] invalid opcode: 0000 [#1] SMP [ 1554.685118] Modules linked in: tpm_tis(+) tpm tpm_bios ehci_hcd ebtable_filter ebtables ip_tables x_tables zram(C) zsmalloc(C) bridge stp llc snd_hda_codec_conexant arc4 i915 snd_hda_intel iwldvm snd_hda_codec mac80211 pcmcia hid_generic drm_kms_helper yenta_socket snd_hwdep snd_pcm iwlwifi drm pcmcia_rsrc snd_timer pcmcia_core usbhid thinkpad_acpi coretemp snd_page_alloc cfg80211 psmouse hid i2c_algo_bit intel_agp serio_raw microcode intel_gtt snd soundcore video nvram ahci libahci e1000e [last unloaded: tpm_bios] [ 1554.685524] CPU 0 [ 1554.685540] Pid: 3492, comm: modprobe Tainted: G WC 3.6.0-orc #3 LENOVO 2765T6U/2765T6U [ 1554.685593] RIP: e030:[] [] internal_create_group+0x1e9/0x210 [ 1554.686670] RSP: e02b:ffff880002a4fbd8 EFLAGS: 00010246 [ 1554.686706] RAX: 0000000000000000 RBX: ffff880002ecc000 RCX: 000000000000a9c8 [ 1554.686747] RDX: ffffffffa00d8ec0 RSI: 0000000000000000 RDI: 0000000000000000 [ 1554.686788] RBP: ffff880002a4fc28 R08: 0000000000016640 R09: ffffea00009d7000 [ 1554.686829] R10: ffffffff812bfec9 R11: 6464615f646e615f R12: ffff88002871cc10 [ 1554.686870] R13: ffff880002ecc220 R14: ffffffffa00d8ec0 R15: 0000000000000000 [ 1554.686915] FS: 00007f33000ba700(0000) GS:ffff88002dc00000(0000) knlGS:0000000000000000 [ 1554.686963] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1554.686996] CR2: 00007fac43cd0000 CR3: 000000000298a000 CR4: 0000000000002660 [ 1554.687038] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1554.687079] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 1554.687121] Process modprobe (pid: 3492, threadinfo ffff880002a4e000, task ffff880025c52d20) [ 1554.687170] Stack: [ 1554.687184] ffffffffa00d8b38 0000000000000000 ffff880002a4fc08 ffffffff812bfd7c [ 1554.687238] 000000005b2d2d2d ffff880002ecc000 ffff88002871cc10 ffff880002ecc220 [ 1554.687292] ffff8800275c0e90 ffff880002ecc130 ffff880002a4fc38 ffffffff811d2a53 [ 1554.687345] Call Trace: [ 1554.687366] [] ? kobject_put+0x2c/0x60 [ 1554.687400] [] sysfs_create_group+0x13/0x20 [ 1554.687439] [] sys_add_ppi+0x27/0x40 [tpm_bios] [ 1554.687480] [] tpm_register_hardware+0x22e/0x3c0 [tpm] [ 1554.687523] [] tpm_tis_init+0x44/0x601 [tpm_tis] [ 1554.687562] [] tpm_tis_pnp_init+0xee/0x10d [tpm_tis] [ 1554.687604] [] ? tpm_tis_init+0x601/0x601 [tpm_tis] [ 1554.687645] [] pnp_device_probe+0x70/0xf0 [ 1554.687681] [] ? driver_sysfs_add+0x7a/0xb0 [ 1554.687718] [] driver_probe_device+0x7b/0x240 [ 1554.687756] [] __driver_attach+0xab/0xb0 [ 1554.687795] [] ? driver_probe_device+0x240/0x240 [ 1554.687832] [] bus_for_each_dev+0x56/0x90 [ 1554.687868] [] driver_attach+0x1e/0x20 [ 1554.687902] [] bus_add_driver+0x190/0x290 [ 1554.687939] [] ? 0xffffffffa010cfff [ 1554.687973] [] driver_register+0x7a/0x160 [ 1554.688009] [] ? 0xffffffffa010cfff [ 1554.688042] [] pnp_register_driver+0x21/0x30 [ 1554.688080] [] init_tis+0x1d/0xc5 [tpm_tis] [ 1554.688117] [] ? __blocking_notifier_call_chain+0x63/0x80 [ 1554.688161] [] do_one_initcall+0x3f/0x170 [ 1554.688197] [] sys_init_module+0x8f/0x200 [ 1554.688233] [] system_call_fastpath+0x16/0x1b [ 1554.688269] Code: 45 b0 0f 84 60 ff ff ff 48 8b 7d c8 89 45 b0 e8 8e e7 ff ff 4c 8b 6d c8 8b 45 b0 e9 48 ff ff ff 48 83 7f 30 00 0f 85 57 fe ff ff <0f> 0b be c3 00 00 00 48 c7 c7 f8 7e 7e 81 e8 04 10 e8 ff e9 80 [ 1554.688576] RIP [] internal_create_group+0x1e9/0x210 [ 1554.688621] RSP [ 1554.704039] ---[ end trace b394e16efa725e59 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/