https://bugzilla.kernel.org/show_bug.cgi?id=15264 Markos Chandras <hwoarang@xxxxxxxxxx> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hwoarang@xxxxxxxxxx --- Comment #1 from Markos Chandras <hwoarang@xxxxxxxxxx> 2010-04-29 17:03:46 --- Same problem for me ( tested with 2.6.33 ) [ 20.899822] [ INFO: possible recursive locking detected ] [ 20.901240] 2.6.33-zen2-night-elf #1 [ 20.902660] --------------------------------------------- [ 20.904088] cpufreqd/2775 is trying to acquire lock: [ 20.905505] (s_active){++++.+}, at: [<ffffffff8111a531>] sysfs_addrm_finish+0x31/0x5a [ 20.905595] [ 20.905595] but task is already holding lock: [ 20.905595] (s_active){++++.+}, at: [<ffffffff8111a79e>] sysfs_get_active_two+0x1f/0x45 [ 20.905595] [ 20.905595] other info that might help us debug this: [ 20.905595] 4 locks held by cpufreqd/2775: [ 20.905595] #0: (&buffer->mutex){+.+.+.}, at: [<ffffffff811190e5>] sysfs_write_file+0x37/0x13f [ 20.905595] #1: (s_active){++++.+}, at: [<ffffffff8111a79e>] sysfs_get_active_two+0x1f/0x45 [ 20.905595] #2: (s_active){++++.+}, at: [<ffffffff8111a7ab>] sysfs_get_active_two+0x2c/0x45 [ 20.905595] #3: (dbs_mutex){+.+.+.}, at: [<ffffffff8151c26d>] cpufreq_governor_dbs+0x33e/0x3e9 [ 20.905595] [ 20.905595] stack backtrace: [ 20.905595] Pid: 2775, comm: cpufreqd Not tainted 2.6.33-zen2-night-elf #1 [ 20.905595] Call Trace: [ 20.905595] [<ffffffff81056e3e>] validate_chain+0x5ab/0xd83 [ 20.905595] [<ffffffff8104afb2>] ? sched_clock_cpu+0xcf/0xdd [ 20.905595] [<ffffffff81053fa7>] ? trace_hardirqs_off+0xd/0xf [ 20.905595] [<ffffffff81057efa>] __lock_acquire+0x8e4/0x964 [ 20.905595] [<ffffffff8105800a>] lock_acquire+0x90/0xb1 [ 20.905595] [<ffffffff8111a531>] ? sysfs_addrm_finish+0x31/0x5a [ 20.905595] [<ffffffff81119c36>] sysfs_deactivate+0x86/0xdb [ 20.905595] [<ffffffff8111a531>] ? sysfs_addrm_finish+0x31/0x5a [ 20.905595] [<ffffffff8164387c>] ? __mutex_unlock_slowpath+0x114/0x13f [ 20.905595] [<ffffffff8111a531>] sysfs_addrm_finish+0x31/0x5a [ 20.905595] [<ffffffff8111888d>] sysfs_hash_and_remove+0x4e/0x65 [ 20.905595] [<ffffffff8111b4e8>] sysfs_remove_group+0x8c/0xc5 [ 20.905595] [<ffffffff8151c281>] cpufreq_governor_dbs+0x352/0x3e9 [ 20.905595] [<ffffffff8151974a>] ? unlock_policy_rwsem_write+0x38/0x3a [ 20.905595] [<ffffffff81053fc9>] ? get_lock_stats+0x20/0x4c [ 20.905595] [<ffffffff81054003>] ? put_lock_stats+0xe/0x27 [ 20.905595] [<ffffffff81054120>] ? lock_release_holdtime+0x104/0x109 [ 20.905595] [<ffffffff81518f32>] __cpufreq_governor+0xe8/0x126 [ 20.905595] [<ffffffff81519d43>] __cpufreq_set_policy+0x18a/0x222 [ 20.905595] [<ffffffff8151a220>] store_scaling_governor+0x190/0x1ca [ 20.905595] [<ffffffff8151a991>] ? handle_update+0x0/0x33 [ 20.905595] [<ffffffff81519b96>] store+0x59/0x7c [ 20.905595] [<ffffffff811191b1>] sysfs_write_file+0x103/0x13f [ 20.905595] [<ffffffff810c9956>] vfs_write+0xad/0x172 [ 20.905595] [<ffffffff810c9ad4>] sys_write+0x45/0x6c [ 20.905595] [<ffffffff810020c2>] system_call_fastpath+0x16/0x1b [ 21.423012] r8169: eth0: link down [ 21.462253] iwlagn 0000:04:00.0: firmware: requesting iwlwifi-4965-2.ucode [ 21.463751] PM: Adding info for No Bus:0000:04:00.0 [ 21.574040] PM: Removing info for No Bus:0000:04:00.0 [ 21.575653] iwlagn 0000:04:00.0: loaded firmware version 228.61.2.24 -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
