Hi folks, I got this for 2.6.30-rc6 (amd64): [16201.331032] INFO: task reiserfs/0:1216 blocked for more than 120 seconds. [16201.331035] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [16201.331037] reiserfs/0 D ffff8801201486f0 0 1216 2 [16201.331042] ffff8801201486f0 0000000000000046 0000000000004000 0000000000010940 [16201.331046] 000000000000cfa8 0000000000004000 0000000000010940 000000000000cfa8 [16201.331050] ffff880120148998 00000000787f2080 ffff88012fb92cd0 ffff880120148998 [16201.331054] Call Trace: [16201.331061] [] ? apic_timer_interrupt+0xe/0x20 [16201.331067] [] ? __mutex_lock_slowpath+0xfb/0x171 [16201.331070] [] ? mutex_lock+0x12/0x28 [16201.331093] [] ? flush_commit_list+0x146/0x624 [reiserfs] [16201.331097] [] ? thread_return+0x3e/0xab [16201.331111] [] ? flush_commit_list+0xf6/0x624 [reiserfs] [16201.331124] [] ? flush_async_commits+0x0/0x4b [reiserfs] [16201.331145] [] ? flush_async_commits+0x42/0x4b [reiserfs] [16201.331150] [] ? worker_thread+0x1a6/0x24e [16201.331154] [] ? autoremove_wake_function+0x0/0x2e [16201.331157] [] ? worker_thread+0x0/0x24e [16201.331160] [] ? worker_thread+0x0/0x24e [16201.331163] [] ? kthread+0x54/0x80 [16201.331166] [] ? child_rip+0xa/0x20 [16201.331169] [] ? kthread+0x0/0x80 [16201.331172] [] ? child_rip+0x0/0x20 It seems to be still working, though. I got this only once by now. Please mail if I can help to debug this problem. Regards Harri