Доброго времени суток!

uname -a
Linux localhost.localdomain 2.6.24-std-def-alt6 #1 SMP Tue Mar 25 
18:48:39 MSK 2008 i686 GNU/Linux

acpid-1.0.6-alt2
kpowersave-0.7.3-alt1
powersave-0.14.0-alt3
libpowersave-0.14.0-alt3
powernowd-0.95-alt2

Не периодично до и 3 раза подряд сегодня (вернее вчера вечером):

Mar 22 12:53:30 localhost kernel: ACPI: Critical trip point
Mar 22 12:53:30 localhost acpid: received event "thermal_zone THRM 
000000f0 00000001"
Mar 22 12:53:30 localhost kernel: Critical temperature reached (210 C), 
shutting down.
Mar 22 12:53:30 localhost acpid: notifying client 5562[0:0]
Mar 22 12:53:30 localhost acpid: notifying client 5436[0:0]
Mar 22 12:53:30 localhost acpid: notifying client 5263[110:118]
Mar 22 12:53:30 localhost acpid: completed event "thermal_zone THRM 
000000f0 00000001"
Mar 22 12:53:30 localhost shutdown[6966]: shutting down for system halt
Mar 22 12:53:30 localhost init: Switching to runlevel: 0
Mar 22 12:53:33 localhost gconfd (di-6381): Exiting
Mar 22 12:53:33 localhost kernel: [fglrx] interrupt source 10000000 
successfully disabled!
Mar 22 12:53:33 localhost kernel: [fglrx] enable ID = 0x00000000
Mar 22 12:53:33 localhost kernel: [fglrx] Receive disable interrupt 
message with irqEnableMask: 10000000; dwIRQEnableId: 00000008
Mar 22 12:53:34 localhost acpid: exiting
Mar 22 12:53:34 localhost powersaved: acpid shutdown succeeded
Mar 22 12:53:34 localhost powersaved: powersaved shutdown succeeded
Mar 22 12:53:34 localhost kernel: powernowd[5626]: segfault at 42c80014 
eip 080490f9 esp bfe44f20 error 6
Mar 22 12:53:34 localhost powernowd: powernowd shutdown succeeded
Mar 22 12:53:34 localhost cups: cupsd shutdown succeeded
Mar 22 12:53:35 localhost crond: crond shutdown succeeded
Mar 22 12:53:35 localhost kernel: Critical temperature reached (52 C), 
shutting down.
Mar 22 12:53:35 localhost ntpd[5590]: dispatch_imsg in main: pipe closed
Mar 22 12:53:35 localhost ntpd[5590]: Terminating

Apr  1 21:13:34 localhost kernel: ACPI: Critical trip point
Apr  1 21:13:34 localhost kernel: Critical temperature reached (127 C), 
shutting down.
Apr  1 21:13:34 localhost acpid: received event "thermal_zone THRM 
000000f0 00000001"
Apr  1 21:13:34 localhost acpid: notifying client 5993[0:0]
Apr  1 21:13:34 localhost acpid: notifying client 5831[0:0]
Apr  1 21:13:34 localhost acpid: notifying client 5595[110:118]
Apr  1 21:13:34 localhost acpid: completed event "thermal_zone THRM 
000000f0 00000001"
Apr  1 21:13:34 localhost shutdown[8402]: shutting down for system halt
Apr  1 21:13:34 localhost init: Switching to runlevel: 0
Apr  1 21:13:37 localhost gconfd (di-6512): Exiting
Apr  1 21:13:37 localhost kernel: [fglrx] interrupt source 10000000 
successfully disabled!
Apr  1 21:13:37 localhost kernel: [fglrx] enable ID = 0x00000000
Apr  1 21:13:37 localhost kernel: [fglrx] Receive disable interrupt 
message with irqEnableMask: 10000000; dwIRQEnableId: 00000008
Apr  1 21:13:38 localhost acpid: exiting
Apr  1 21:13:38 localhost powersaved: acpid shutdown succeeded
Apr  1 21:13:39 localhost powersaved: powersaved shutdown succeeded
Apr  1 21:13:39 localhost kernel: powernowd[6128]: segfault at 42c60014 
eip 080490f9 esp bf810fe0 error 6
Apr  1 21:13:39 localhost kernel: Critical temperature reached (57 C), 
shutting down.
Apr  1 21:13:39 localhost powernowd: powernowd shutdown succeeded
Apr  1 21:13:39 localhost gpm[5707]: imps2: Auto-detected intellimouse PS/2
Apr  1 21:13:40 localhost cups: cupsd shutdown succeeded
Apr  1 21:13:40 localhost crond: crond shutdown succeeded

Apr  1 22:02:03 localhost acpid: received event "thermal_zone THRM 
000000f0 00000001"
Apr  1 22:02:03 localhost acpid: notifying client 6288[0:0]
Apr  1 22:02:03 localhost acpid: notifying client 6126[0:0]
Apr  1 22:02:03 localhost acpid: notifying client 5711[110:118]
Apr  1 22:02:03 localhost acpid: completed event "thermal_zone THRM 
000000f0 00000001"
Apr  1 22:02:03 localhost kernel: ACPI: Critical trip point
Apr  1 22:02:03 localhost kernel: Critical temperature reached (125 C), 
shutting down.
Apr  1 22:02:03 localhost shutdown[8778]: shutting down for system halt
Apr  1 22:02:03 localhost init: Switching to runlevel: 0
Apr  1 22:02:06 localhost gconfd (di-6801): Exiting
Apr  1 22:02:06 localhost kernel: [fglrx] interrupt source 10000000 
successfully disabled!
Apr  1 22:02:06 localhost kernel: [fglrx] enable ID = 0x00000000
Apr  1 22:02:06 localhost kernel: [fglrx] Receive disable interrupt 
message with irqEnableMask: 10000000; dwIRQEnableId: 00000008
Apr  1 22:02:07 localhost acpid: exiting
Apr  1 22:02:08 localhost powersaved: acpid shutdown succeeded
Apr  1 22:02:08 localhost kernel: Critical temperature reached (54 C), 
shutting down.
Apr  1 22:02:08 localhost powersaved: powersaved shutdown succeeded
Apr  1 22:02:08 localhost kernel: powernowd[6423]: segfault at 42c60014 
eip 080490f9 esp bfa3da10 error 6
Apr  1 22:02:08 localhost gpm[5933]: imps2: Auto-detected intellimouse PS/2
Apr  1 22:02:08 localhost powernowd: powernowd shutdown succeeded
Apr  1 22:02:09 localhost cups: cupsd shutdown succeeded
Apr  1 22:02:09 localhost crond: crond shutdown succeeded

Apr  2 00:10:44 localhost kernel: ACPI: Critical trip point
Apr  2 00:10:44 localhost kernel: Critical temperature reached (124 C), 
shutting down.
Apr  2 00:10:44 localhost acpid: received event "thermal_zone THRM 
000000f0 00000001"
Apr  2 00:10:44 localhost acpid: notifying client 6010[0:0]
Apr  2 00:10:44 localhost acpid: notifying client 5848[0:0]
Apr  2 00:10:44 localhost acpid: notifying client 5610[110:118]
Apr  2 00:10:44 localhost acpid: completed event "thermal_zone THRM 
000000f0 00000001"
Apr  2 00:10:44 localhost shutdown[9679]: shutting down for system halt
Apr  2 00:10:44 localhost init: Switching to runlevel: 0
Apr  2 00:10:47 localhost gconfd (di-6525): Exiting
Apr  2 00:10:47 localhost kernel: [fglrx] interrupt source 10000000 
successfully disabled!
Apr  2 00:10:47 localhost kernel: [fglrx] enable ID = 0x00000000
Apr  2 00:10:47 localhost kernel: [fglrx] Receive disable interrupt 
message with irqEnableMask: 10000000; dwIRQEnableId: 00000008
Apr  2 00:10:48 localhost acpid: exiting
Apr  2 00:10:48 localhost powersaved: acpid shutdown succeeded
Apr  2 00:10:48 localhost powersaved: powersaved shutdown succeeded
Apr  2 00:10:48 localhost kernel: powernowd[6145]: segfault at 42c80014 
eip 080490f9 esp bfe2d600 error 6
Apr  2 00:10:49 localhost powernowd: powernowd shutdown succeeded
Apr  2 00:10:49 localhost kernel: Critical temperature reached (53 C), 
shutting down.
Apr  2 00:10:49 localhost cups: cupsd shutdown succeeded
Apr  2 00:10:49 localhost gpm[5724]: imps2: Auto-detected intellimouse PS/2

Что это и как с этим бороться?!