Version: (using KDE 4.2.0) OS: Linux Installed from: Debian testing/unstable Packages With KDE 4.2 on Debian lenny with experimental packages for KDE 4.2 i get kernel errors (hungcheck timer) in plasma, dolphin, ksnapshot, krunner, etc. on a regular basis. The Problem is, the hanging process cannot be killed (even kill -9) and as it is still "running" i cannot restart it. so i need to reboot to use the application again. Kernellog: [... many more than the last three ...] [11169.063379] INFO: task lancelot:5644 blocked for more than 120 seconds. [11169.063390] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [11169.063396] lancelot D ffff81007432c810 0 5644 1 [11169.063405] ffff810074331b20 0000000000000082 ffffffff8024a85e ffffffff8061f980 [11169.063415] ffff81007432c810 ffff810074c84810 ffff81007432ca98 00000001000021c5 [11169.063423] 000000001b85df5e ffff810074331b18 ffffffff80228f23 ffff810001021800 [11169.063431] Call Trace: [11169.063469] [<ffffffff8024a85e>] ktime_get_ts+0x22/0x4b [11169.063514] [<ffffffff80228f23>] hrtick_start_fair+0xfb/0x144 [11169.063571] [<ffffffff804229c7>] __mutex_lock_slowpath+0x64/0x9b [11169.063615] [<ffffffff8042282c>] mutex_lock+0xa/0xb [11169.063621] [<ffffffff802c9cb8>] inotify_poll+0x31/0x50 [11169.063644] [<ffffffff802ad186>] do_sys_poll+0x18c/0x323 [11169.063674] [<ffffffff802adcfe>] __pollwait+0x0/0xe1 [11169.063723] [<ffffffff8022a865>] __wake_up_sync+0x3a/0x56 [11169.063778] [<ffffffff803a9bf6>] skb_dequeue+0x50/0x58 [11169.063801] [<ffffffff8040e6fb>] unix_stream_recvmsg+0x43d/0x4ec [11169.065695] [<ffffffff803a3be6>] sock_aio_read+0xdd/0xec [11169.065804] [<ffffffff802a0b8b>] do_sync_read+0xc9/0x10c [11169.065880] [<ffffffff80247be5>] autoremove_wake_function+0x0/0x2e [11169.066041] [<ffffffff802ad352>] sys_poll+0x35/0x81 [11169.066074] [<ffffffff8020bffa>] system_call_after_swapgs+0x8a/0x8f [11169.066153] [11169.066161] INFO: task krunner:5675 blocked for more than 120 seconds. [11169.066166] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [11169.066171] krunner D ffff81007a963050 0 5675 1 [11169.066178] ffff8100600fbc60 0000000000000086 ffff8100600fbc28 ffffffff8022b2a7 [11169.066187] ffff81007a963050 ffff810077ce77d0 ffff81007a9632d8 00000000602b1dc0 [11169.066195] ffff810000000000 00000000000004ca 00000000ffffffff 0000000000000000 [11169.066202] Call Trace: [11169.066224] [<ffffffff8022b2a7>] default_wake_function+0x0/0xe [11169.066311] [<ffffffff804229c7>] __mutex_lock_slowpath+0x64/0x9b [11169.066354] [<ffffffff8042282c>] mutex_lock+0xa/0xb [11169.066360] [<ffffffff802a7e26>] do_lookup+0xa3/0x1dd [11169.066413] [<ffffffff802a9fa3>] __link_path_walk+0x948/0xddd [11169.066572] [<ffffffff802aa47e>] path_walk+0x46/0x8b [11169.066617] [<ffffffff802aa7aa>] do_path_lookup+0x158/0x1d0 [11169.066628] [<ffffffff802a94c2>] getname+0xb5/0x11c [11169.066660] [<ffffffff802ab11a>] __user_walk_fd+0x37/0x4c [11169.066692] [<ffffffff802a40bd>] vfs_stat_fd+0x1b/0x4a [11169.066746] [<ffffffff802c9e3e>] inotify_read+0x167/0x197 [11169.066773] [<ffffffff80247be5>] autoremove_wake_function+0x0/0x2e [11169.066811] [<ffffffff802a4148>] sys_newstat+0x19/0x31 [11169.066833] [<ffffffff802a13cf>] vfs_read+0x11e/0x152 [11169.066866] [<ffffffff802a17ac>] sys_read+0x64/0xc2 [11169.066909] [<ffffffff8020bffa>] system_call_after_swapgs+0x8a/0x8f [11169.066988] [11169.067000] INFO: task kmail:8073 blocked for more than 120 seconds. [11169.067004] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [11169.067009] kmail D ffff81007a3157d0 0 8073 1 [11169.067016] ffff810041d43cc0 0000000000000086 ffffffffa0184952 ffff810000000001 [11169.067025] ffff81007a3157d0 ffff81007a963050 ffff81007a315a58 0000000000000001 [11169.067033] ffffffff80247b0f 0000000000001000 0000000000000002 0000000000000000 [11169.067040] Call Trace: [11169.067076] [<ffffffffa0184952>] :ext3:ext3_getblk+0xa8/0x188 [11169.067109] [<ffffffff80247b0f>] bit_waitqueue+0x10/0x97 [11169.067130] [<ffffffff80247bd4>] wake_up_bit+0x11/0x22 [11169.067169] [<ffffffff804229c7>] __mutex_lock_slowpath+0x64/0x9b [11169.067212] [<ffffffff8042282c>] mutex_lock+0xa/0xb [11169.067218] [<ffffffff802c9195>] inotify_inode_is_dead+0x20/0x83 [11169.067261] [<ffffffff802b06c8>] dentry_iput+0x60/0x9d [11169.067283] [<ffffffff802b079f>] d_kill+0x38/0x59 [11169.067304] [<ffffffff802b198c>] dput+0x119/0x14f [11169.067326] [<ffffffff802a7ab7>] path_put+0xd/0x27 [11169.067336] [<ffffffff802c9392>] put_inotify_watch+0x2a/0x66 [11169.067358] [<ffffffff802c9b11>] inotify_dev_queue_event+0x45/0x12b [11169.067403] [<ffffffff802c91c4>] inotify_inode_is_dead+0x4f/0x83 [11169.067446] [<ffffffff802b06c8>] dentry_iput+0x60/0x9d [11169.067468] [<ffffffff802b2c83>] d_delete+0x49/0xb2 [11169.067489] [<ffffffff802a8ffd>] vfs_unlink+0xc9/0xef [11169.067511] [<ffffffff802aabfa>] do_unlinkat+0xbb/0x160 [11169.067566] [<ffffffff80311a37>] __up_write+0x21/0x10e [11169.067642] [<ffffffff8020bffa>] system_call_after_swapgs+0x8a/0x8f [11169.067721]
Reassigning to kdelibs. Hopefully someone who knows about this kind of thing will see it there.
works for me with recent kernel and kde 4.4