[Bugme-new] [Bug 8893] New: Error in acpi temperature computing that makes critical trip point reach

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Thu Aug 16 06:20:42 PDT 2007


http://bugzilla.kernel.org/show_bug.cgi?id=8893

           Summary: Error in acpi temperature computing that makes critical
                    trip point reach
           Product: Drivers
           Version: 2.5
     KernelVersion: 2.6.19
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Hardware Monitoring
        AssignedTo: khali at linux-fr.org
        ReportedBy: encolpe at encolpe.degoute.name


Most recent kernel where this bug did not occur: 2.6.18
Distribution: Debian unstable
Hardware Environment: DELL Inspiron 9400
Software Environment: Debian lenny/KDE 3.5
Problem Description:

I didn't have this bug before 2.6.19 on my debian kernel but since I can have
this critical trop point three times a day like only one time a week.
I didn't think it's only a conversion bug (see below).
My dual core is reported in logs to be between 40 C and 55 C usually, and never
reaches 60 C under load. The best score is 5745 C for 57 C

# grep -A 4 "Critical trip point" syslog.?
syslog.2:Jul  5 00:33:06 gosseyn kernel: ACPI: Critical trip point
syslog.2-Jul  5 00:33:06 gosseyn kernel: Critical temperature reached (1135 C),
shutting down.
syslog.2-Jul  5 00:33:06 gosseyn shutdown[13784]: shutting down for system halt
syslog.2-Jul  5 00:33:06 gosseyn init: Switching to runlevel: 0
syslog.2-Jul  5 00:33:08 gosseyn kernel: Critical temperature reached (41 C),
shutting down.
--
syslog.3:Jul  4 00:49:49 gosseyn kernel: ACPI: Critical trip point
syslog.3-Jul  4 00:49:49 gosseyn kernel: Critical temperature reached (5487 C),
shutting down.
syslog.3-Jul  4 00:49:49 gosseyn shutdown[10029]: shutting down for system halt
syslog.3-Jul  4 00:49:49 gosseyn init: Switching to runlevel: 0
syslog.3-Jul  4 00:49:51 gosseyn kernel: Critical temperature reached (53 C),
shutting down.
--
syslog.5:Jul  1 21:49:23 gosseyn kernel: ACPI: Critical trip point
syslog.5-Jul  1 21:49:23 gosseyn kernel: Critical temperature reached (1135 C),
shutting down.
syslog.5-Jul  1 21:49:23 gosseyn shutdown[8231]: shutting down for system halt
syslog.5-Jul  1 21:49:23 gosseyn init: Switching to runlevel: 0
syslog.5-Jul  1 21:50:20 gosseyn syslog-ng[3338]: syslog-ng starting up;
version='2.0.0'
--
syslog.6:Jul  1 00:04:08 gosseyn kernel: ACPI: Critical trip point
syslog.6-Jul  1 00:04:08 gosseyn kernel: Critical temperature reached (1135 C),
shutting down.
syslog.6-Jul  1 00:04:08 gosseyn shutdown[12701]: shutting down for system halt
syslog.6-Jul  1 00:04:08 gosseyn init: Switching to runlevel: 0
syslog.6-Jul  1 00:04:10 gosseyn kernel: Critical temperature reached (41 C),
shutting down.

Steps to reproduce:

Random.
This bug can come when nothing is done or under heavy load, when working
console only or with 3D application.


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