Date: Sun, 9 Sep 2012 20:20:18 GMT From: Stefano Marinelli <stefano@dragas.it> To: freebsd-amd64@FreeBSD.org Subject: Re: amd64/171355: FreeBSD 9.1rc1 (and 10-HEAD) not booting on HP Pavilion g6 2147sl Message-ID: <201209092020.q89KKIed016047@freefall.freebsd.org>
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The following reply was made to PR amd64/171355; it has been noted by GNATS. From: Stefano Marinelli <stefano@dragas.it> To: Alexander Motin <mav@FreeBSD.org> Cc: attilio@freebsd.org, bug-followup@FreeBSD.org Subject: Re: amd64/171355: FreeBSD 9.1rc1 (and 10-HEAD) not booting on HP Pavilion g6 2147sl Date: Sun, 9 Sep 2012 22:17:20 +0200 > There could be other factors except CPU. For example, GPU, screen = backlight, disks, etc. Without having proper video driver for AMD GPUs = it is difficult to predict its power consumption. Also you may look on = this page: http://wiki.freebsd.org/TuningPowerConsumption . It was = written some time ago and mostly for Intel, but hopefully better then = nothing. Unluckily I have no experience with AMD laptops. Actually I think it's a matter of GPU. On Linux, I can use the = proprietary drivers. On (PC|Free)BSD, I am using the VESA XOrg driver. The link you gave me allowed me, some time ago, to lower my netbook = power consumption, going even lower than Linux. The machine is compiling the patched kernel now. I will try to reboot it = as soon as finished. Thank you, Stefano=
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