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Date:      Wed, 1 Mar 2006 17:16:01 +0100 (CET)
From:      "Marcin Koziej" <creep@desk.pl>
To:        "JoaoBR" <joao@matik.com.br>
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: AMD64 Cool'n'quiet overheating. ACPI bug?
Message-ID:  <34579.194.29.167.162.1141229761.WebPoczta@webpoczta.desk.pl>
In-Reply-To: <200603011002.41279.joao@matik.com.br>
References:  <4400C2FD.7040907@desk.pl> <20060228184230.GA4007@poupinou.org> <44058A2B.8070405@desk.pl> <200603011002.41279.joao@matik.com.br>

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I have PHOENIX bios version 0.9, the mother board is VIA K8XXXX (I don't
remember precisely, i'll check)

I noticed a weird thing, I made some test making my system shutdown while
'make -j6 buildworld'.

I've made plots for both acpi_ppc and powernow w/ powerd.
http://galera.ii.pw.edu.pl/~mkoziej/bsd/acpi_ppc.gif
http://galera.ii.pw.edu.pl/~mkoziej/bsd/powernow.gif

Please take a look,
blue dashed line - cpu

yellow - tz1.temp - cpu
green horizontal tz1._PSV

red - tz0.temp - hd propably
blue horizontal tz0._PSV
All data is read via sysctl every 0.5 sec.

Notice how the temperature readings rise when the system shutdowns because
of overheating. The funny thing is, it shutdowns not because of tz1 (cpu),
but tz0, which jumps to critical value (???).
for powernow/powerd
tz0=65 tz1=77 cf=2417705519
tz0=65 tz1=77 cf=2417910721
tz0=65 tz1=77 cf=2415936702
tz0=65 tz1=88 cf=2416307446
tz0=65 tz1=88 cf=2416576021
tz0=65 tz1=88 cf=2417039114
tz0=65 tz1=88 cf=2417932171
tz0=65 tz1=88 cf=2418087771
tz0=65 tz1=88 cf=2501617153
tz0=65 tz1=89 cf=2417387431
tz0=65 tz1=89 cf=2416360118
tz0=65 tz1=89 cf=2418412904
tz0=65 tz1=89 cf=2416242706
tz0=65 tz1=89 cf=2418159100
tz0=65 tz1=89 cf=2421253299
tz0=65 tz1=91 cf=2086969428
tz0=80 tz1=95 cf=1833956647
tz0=80 tz1=95 cf=805414225
tz0=80 tz1=95 cf=805840001
tz0=80 tz1=95 cf=839116645
tz0=80 tz1=95 cf=805418729
tz0=80 tz1=95 cf=805362461
tz0=80 tz1=95 cf=805716574
tz0=80 tz1=95 cf=805477377
tz0=80 tz1=95 cf=805388821

for acpi_ppc (no CPU throttling):
tz0=59 tz1=88 cf=2401379699
tz0=59 tz1=88 cf=2401380510
tz0=59 tz1=88 cf=2401381583
tz0=59 tz1=89 cf=2401382351
tz0=59 tz1=89 cf=2401378420
tz0=59 tz1=89 cf=2401379007
tz0=59 tz1=89 cf=2401380296
tz0=59 tz1=89 cf=2401380889
tz0=59 tz1=89 cf=2461789255
tz0=59 tz1=90 cf=1901011303
tz0=59 tz1=90 cf=2401381292
tz0=59 tz1=90 cf=2401376480
tz0=59 tz1=90 cf=2401379591
tz0=59 tz1=90 cf=2465842741
tz0=60 tz1=90 cf=2401379681
tz0=60 tz1=90 cf=2401378740
tz0=60 tz1=90 cf=2401378363
tz0=60 tz1=90 cf=2401381539
tz0=60 tz1=90 cf=2401381739
tz0=60 tz1=90 cf=2463364678
tz0=60 tz1=90 cf=2401377334
tz0=60 tz1=90 cf=2403215458
tz0=80 tz1=95 cf=2301234467
tz0=80 tz1=95 cf=2401381742
tz0=80 tz1=95 cf=2401379380
tz0=80 tz1=95 cf=2401380799
tz0=80 tz1=95 cf=2334049734
tz0=80 tz1=95 cf=2314373696
tz0=80 tz1=95 cf=2401378620
tz0=80 tz1=95 cf=2401379990
tz0=80 tz1=95 cf=2401381876
tz0=80 tz1=95 cf=2401382279
tz0=80 tz1=95 cf=2420919814

The message is:
Mar  1 14:06:12 carnivore root: WARNING: system temperature too high,
shutting down soon!
Mar  1 14:06:22 carnivore kernel: acpi_tz0: WARNING - current temperature
(80.0C) exceeds safe limits
Mar  1 14:06:30 carnivore syslogd: exiting on signal 15

Very weird...do I have a broken BIOS?
I don't have the machine with me right now, but it's ACER Aspire 1525WLMi,
I'll send the spec tomorrow.


Best regards,
m.



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