On Fri, 2010-02-05 at 08:52 -0500, Josh Boyer wrote:
> This changes the thresholds for the liquid cooled G5 thermal
> shutdown mechanism to prevent an errant shutdown.
>
> This has been carried since about Fedora Core 5. I have no idea
> if it's really needed or not.
Can we have a SoB ?
Cheers,
Ben.
> ---
>
> --- linux-2.6.15/drivers/macintosh/therm_pm72.c.orig 2006-04-02
> 21:34:48.000000000 +0100
> +++ linux-2.6.15/drivers/macintosh/therm_pm72.c 2006-04-02
> 22:33:27.000000000 +0100
> @@ -924,10 +925,16 @@ static void do_monitor_cpu_combined(void
> printk(KERN_WARNING "Warning ! Temperature way above maximum
> (%d) !\n",
> temp_combi >> 16);
> state0->overtemp += CPU_MAX_OVERTEMP / 4;
> - } else if (temp_combi > (state0->mpu.tmax << 16))
> + } else if (temp_combi > (state0->mpu.tmax << 16)) {
> state0->overtemp++;
> - else
> + printk(KERN_WARNING "Temperature %d above max %d. overtemp
> %d\n",
> + temp_combi >> 16, state0->mpu.tmax, state0->overtemp);
> + } else {
> + if (state0->overtemp)
> + printk(KERN_WARNING "Temperature back down to %d\n",
> + temp_combi >> 16);
> state0->overtemp = 0;
> + }
> if (state0->overtemp >= CPU_MAX_OVERTEMP)
> critical_state = 1;
> if (state0->overtemp > 0) {
> @@ -999,10 +1015,16 @@ static void do_monitor_cpu_split(struct
> " (%d) !\n",
> state->index, temp >> 16);
> state->overtemp += CPU_MAX_OVERTEMP / 4;
> - } else if (temp > (state->mpu.tmax << 16))
> + } else if (temp > (state->mpu.tmax << 16)) {
> state->overtemp++;
> - else
> + printk(KERN_WARNING "CPU %d temperature %d above max %d.
> overtemp %d\n",
> + state->index, temp >> 16, state->mpu.tmax,
> state->overtemp);
> + } else {
> + if (state->overtemp)
> + printk(KERN_WARNING "CPU %d temperature back down to
> %d\n",
> + state->index, temp >> 16);
> state->overtemp = 0;
> + }
> if (state->overtemp >= CPU_MAX_OVERTEMP)
> critical_state = 1;
> if (state->overtemp > 0) {
> @@ -1061,10 +1097,16 @@ static void do_monitor_cpu_rack(struct c
> " (%d) !\n",
> state->index, temp >> 16);
> state->overtemp = CPU_MAX_OVERTEMP / 4;
> - } else if (temp > (state->mpu.tmax << 16))
> + } else if (temp > (state->mpu.tmax << 16)) {
> state->overtemp++;
> - else
> + printk(KERN_WARNING "CPU %d temperature %d above max %d.
> overtemp %d\n",
> + state->index, temp >> 16, state->mpu.tmax,
> state->overtemp);
> + } else {
> + if (state->overtemp)
> + printk(KERN_WARNING "CPU %d temperature back down to
> %d\n",
> + state->index, temp >> 16);
> state->overtemp = 0;
> + }
> if (state->overtemp >= CPU_MAX_OVERTEMP)
> critical_state = 1;
> if (state->overtemp > 0) {
> --- linux-2.6.15/drivers/macintosh/therm_pm72.h~ 2006-01-03
> 03:21:10.000000000 +0000
> +++ linux-2.6.15/drivers/macintosh/therm_pm72.h 2006-04-02
> 22:25:58.000000000 +0100
> @@ -243,7 +243,7 @@ struct dimm_pid_state
> #define CPU_TEMP_HISTORY_SIZE 2
> #define CPU_POWER_HISTORY_SIZE 10
> #define CPU_PID_INTERVAL 1
> -#define CPU_MAX_OVERTEMP 30
> +#define CPU_MAX_OVERTEMP 90
>
> #define CPUA_PUMP_RPM_INDEX 7
> #define CPUB_PUMP_RPM_INDEX 8
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/linuxppc-dev
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