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Date: Wed, 06 Feb 2013 22:24:39 +0100 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Valdis Kletnieks <Valdis.Kletnieks@...edu> Cc: linux-kernel@...r.kernel.org, cpufreq@...r.kernel.org, linux-pm@...r.kernel.org, Viresh Kumar <viresh.kumar@...aro.org> Subject: Re: next-20130206 cpufreq - WARN in sysfs_add_one On Wednesday, February 06, 2013 12:44:35 PM Valdis Kletnieks wrote: > Seen in dmesg. next-20130128 was OK. Haven't done a bisect, but can > do so if the offender isn't obvious... I suppose this is 73bf0fc "cpufreq: Don't remove sysfs link for policy->cpu". Can you test the linux-pm.git/pm-cpufreq branch alone, please, and see if that's this one (top-most commit)? Even if it is, it is a bug fix, so we'll need one fix more on top of it, but can you please confirm? Rafael > [ 2.567662] netconsole: network logging started > [ 2.581661] ------------[ cut here ]------------ > [ 2.581670] WARNING: at fs/sysfs/dir.c:536 sysfs_add_one+0x91/0xa5() > [ 2.581673] Hardware name: Latitude E6500 > [ 2.581676] sysfs: cannot create duplicate filename '/devices/system/cpu/cpufreq/ondemand' > [ 2.581678] Modules linked in: > [ 2.581684] Pid: 1, comm: swapper/0 Tainted: G W 3.8.0-rc6-next-20130206 #57 > [ 2.581687] Call Trace: > [ 2.581693] [<ffffffff811713d6>] ? sysfs_add_one+0x91/0xa5 > [ 2.581700] [<ffffffff8102ecdc>] warn_slowpath_common+0x7c/0x96 > [ 2.581706] [<ffffffff8102ed3d>] warn_slowpath_fmt+0x47/0x49 > [ 2.581711] [<ffffffff811713d6>] sysfs_add_one+0x91/0xa5 > [ 2.581716] [<ffffffff81171521>] create_dir+0x6b/0xa4 > [ 2.581721] [<ffffffff81171787>] sysfs_create_subdir+0x17/0x19 > [ 2.581727] [<ffffffff81172e76>] internal_create_group+0xd4/0x1df > [ 2.581732] [<ffffffff81172f8f>] sysfs_create_group+0xe/0x10 > [ 2.581739] [<ffffffff813e033a>] cpufreq_governor_dbs+0x209/0x475 > [ 2.581744] [<ffffffff813df187>] od_cpufreq_governor_dbs+0x15/0x17 > [ 2.581750] [<ffffffff813dd6ab>] __cpufreq_governor+0x61/0xb5 > [ 2.581755] [<ffffffff813dd803>] __cpufreq_set_policy+0x104/0x140 > [ 2.581761] [<ffffffff81609303>] cpufreq_add_dev_interface+0x217/0x261 > [ 2.581767] [<ffffffff813de5ed>] ? cpufreq_update_policy+0x133/0x133 > [ 2.581773] [<ffffffff813dddc9>] cpufreq_add_dev+0x222/0x2d7 > [ 2.581780] [<ffffffff812dc7da>] subsys_interface_register+0xa3/0xd7 > [ 2.581786] [<ffffffff8160e6c9>] ? _raw_spin_unlock_irqrestore+0x72/0x80 > [ 2.581792] [<ffffffff813dd1ae>] cpufreq_register_driver+0x9c/0x13b > [ 2.581799] [<ffffffff81d778ed>] ? cpufreq_gov_dbs_init+0x2c/0x2c > [ 2.581805] [<ffffffff81d77968>] acpi_cpufreq_init+0x7b/0x185 > [ 2.581811] [<ffffffff8100023a>] do_one_initcall+0x7a/0x130 > [ 2.581817] [<ffffffff81d4ddfb>] kernel_init_freeable+0x15e/0x1df > [ 2.581822] [<ffffffff81d4d6f2>] ? do_early_param+0x88/0x88 > [ 2.581828] [<ffffffff815f9568>] ? rest_init+0x12c/0x12c > [ 2.581833] [<ffffffff815f9571>] kernel_init+0x9/0xd1 > [ 2.581839] [<ffffffff81614bec>] ret_from_fork+0x7c/0xb0 > [ 2.581844] [<ffffffff815f9568>] ? rest_init+0x12c/0x12c > [ 2.581847] ---[ end trace a0eea8e0db3a3905 ]--- > [ 2.585909] ALSA device list: > [ 2.585913] #0: HDA Intel at 0xf6fdc000 irq 48 > [ 2.590781] Freeing unused kernel memory: 852k freed > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- 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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