Hello, May be this is important, freshly built kernel, I attach the config. Linux aapi205 2.6.35-git9 #1 SMP PREEMPT Tue Aug 10 14:29:58 CEST 2010 x86_64 GNU/Linux [ 0.008862] Mount-cache hash table entries: 256 [ 0.009020] Initializing cgroup subsys ns [ 0.009025] Initializing cgroup subsys cpuacct [ 0.009029] Initializing cgroup subsys devices [ 0.009031] Initializing cgroup subsys blkio [ 0.009072] CPU: Physical Processor ID: 0 [ 0.009073] CPU: Processor Core ID: 0 [ 0.009076] mce: CPU supports 6 MCE banks [ 0.009083] CPU0: Thermal monitoring enabled (TM2) [ 0.009087] using mwait in idle threads. [ 0.009089] Performance Events: PEBS fmt0+, Core2 events, Intel PMU driver. [ 0.009096] ... version: 2 [ 0.009098] ... bit width: 40 [ 0.009099] ... generic registers: 2 [ 0.009101] ... value mask: 000000ffffffffff [ 0.009103] ... max period: 000000007fffffff [ 0.009105] ... fixed-purpose events: 3 [ 0.009106] ... event mask: 0000000700000003 [ 0.009864] ACPI: Core revision 20100702 [ 0.011430] BUG: scheduling while atomic: swapper/0/0x10000002 [ 0.011437] Modules linked in: [ 0.011440] Pid: 0, comm: swapper Not tainted 2.6.35-git9 #1 [ 0.011442] Call Trace: [ 0.011450] [] __schedule_bug+0x5c/0x60 [ 0.011455] [] schedule+0xdc/0x5fc [ 0.011460] [] ? acpi_ps_delete_parse_tree+0x3e/0x5c [ 0.011463] [] __cond_resched+0x13/0x1f [ 0.011466] [] _cond_resched+0x16/0x1d [ 0.011469] [] acpi_ps_complete_op+0x267/0x27d [ 0.011472] [] acpi_ps_parse_loop+0x807/0x95f [ 0.011476] [] acpi_ps_parse_aml+0x9a/0x2b9 [ 0.011479] [] acpi_ns_one_complete_parse+0x103/0x120 [ 0.011483] [] ? _raw_spin_unlock_irqrestore+0x3b/0x3d [ 0.011486] [] acpi_ns_parse_table+0x1b/0x34 [ 0.011489] [] acpi_ns_load_table+0x4a/0x8c [ 0.011493] [] acpi_load_tables+0x9c/0x15d [ 0.011497] [] acpi_early_init+0x6c/0xf7 [ 0.011502] [] start_kernel+0x3df/0x3ef [ 0.011505] [] x86_64_start_reservations+0xb3/0xb7 [ 0.011509] [] x86_64_start_kernel+0xf8/0x107 [ 0.016075] Setting APIC routing to flat [ 0.016383] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.056417] CPU0: Intel(R) Core(TM)2 Quad CPU Q8200 @ 2.33GHz stepping 07 [ 0.072021] Booting Node 0, Processors #1 #2 #3 Ok. [ 0.356027] Brought up 4 CPUs [ 0.356031] Total of 4 processors activated (18663.60 BogoMIPS). [ 0.357343] devtmpfs: initialized Regards, Piotr Hosowicz -- Familiada: - Zwierze w paski? - Biedronka! NP: Peter Green Splinter Group - Big Change Is Gonna Come NB: 2.6.35-git9