Date: Sat, 12 Mar 2011 09:08:10 +0100 From: Mathias Picker <Mathias.Picker@gmx.de> To: Thor Ablestar <thor@irk.ru>, freebsd-acpi@FreeBSD.org Subject: Re: HP Pavilion DV6 overheats under FreeBSD Message-ID: <1299917290.1666.8.camel@Nokia-N900> In-Reply-To: <4D7A2CB8.1080607@irk.ru> References: <4D7A2CB8.1080607@irk.ru>
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This might be a platform problem (I think AMD calls it vision platform), and not HP related. I have an Acer 5553g with similar hardware and problems. Maybe we can compare details once I'm home again, sunday probably. / Mathias On Fr., 11. Mär. 2011 15:07:52 CET, Thor Ablestar <thor@irk.ru> wrote: > Hello! > > Notebook HP Pavilion DV6-3109er (Mobile Phenom II x4, double Mobility > Radeon) keeps processor temperature about 60 degC under FreeBSD > 8.2-RELEASE GENERIC kernel, and under custom kernel with device > acpi_video and acpi_hp. The battery life is probably 80 minutes, system > fan works at low RPM. > > The same notebook is only slightly warm under stock Windows 7 Home > Basic. The battery life there is probably 3 hours. The fan is stopped > and works only sometimes. > > The strange thing appeared: while FreeBSD pciconf reports 2 video cards, > windows reports only one video card (AMD M880G with ATI Mobility Radeon > HD 4250, Vendor=1002, device=9712). And Windows does NOT report passive > equipment, for instance, Ethernet with no cable attached; so Windows > makes the second video passive and powers it down but FreeBSD does not. > BTW this second card is still not known to X and to pciconf. > > The following was tried, with no or marginal result: > 1. Read and followed the Fighting for the power > http://lists.freebsd.org/pipermail/freebsd-current/2009-May/006436.html > 2. powerd -v -M 2000 -m 200 (computer becomes non-responsive under 200 > MHz) 3. Modification of stock FreeBSD vga driver to recognize one VGA > only. The second card does not appear in dmesg, but temperature is the > same while hw.pci.do_power_nodriver=3 is in place. > 4. Flashing the freshest available BIOS. > 5. Googling everything imaginable about powering down the PCI device - > nothing found. > > The .asl file contains something video-related but it's like Martian > language for me. > > When I rebuild the kernel, the cooling fan properly accelerates and the > temperature is kept within 75 degC, so the problem is not critical, but > it's difficult to use the book with battery power. > > Function buttons: FnF2 (dimmer) and FnF3 (brighter) works OK except > under modified driver (part 3 above). Under modified driver - no > operation. FnF4 (screen switch) - produces text input "Jp" on first > press, "p" on next presses > FnF12 (Radio) works OK. FnF1 produces "J" and then F1. > Other functions - no operation. > > > I believe that the ACPI contains some HP proprietary methods to power > down the second card but acpi_hp driver has no idea about it. > > How to reproduce: Take HP Pavilion DV6-3109ER notebook (may be any HP > Pavilion with Mobile Phenom II and double ATI Mobility Radeon). Install > FreeBSD 8.2-RELEASE. Make a kernel with acpi_video and acpi_hp devices, > install and reboot. Watch the temperature with pciconf hw.acpi > > Data files are (If my Apache is OK) > http://plasmodius.dyndns.org/pavilion - if not, make me know. > > Thanks in advance. > Thor > > thor@irk.ru > <Anhang> pavilion.dmesg <Anhang> pavilion.pciconf <Anhang> pavilion.hwacpi
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