Date: Tue, 30 Dec 2014 08:00:45 -0800 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: freebsd-current@freebsd.org Subject: Re: Acer E3-112 and UEFI Message-ID: <54A2CC2D.3040105@freebsd.org> In-Reply-To: <20876.213.113.68.53.1419950410.squirrel@webmail.alvermark.net> References: <20876.213.113.68.53.1419950410.squirrel@webmail.alvermark.net>
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On 12/30/14 06:40, Jakob Alvermark wrote: > Hi, > > Have been playing with this machine for a while now. > It is a quad core Pentium N3540 (ValleyView/Bay Trail), 8 GB RAM. It came > with a Broadcom WiFi card which I swapped for an Intel which is supported > by FreeBSD. Also swapped the hard drive for an SSD. > > When first trying to boot FreeBSD with UEFI it would not boot. > It stops after the loader is trying to start the kernel. > My workaround now is using refind, http://www.rodsbooks.com/refind/ > to set the screen resolution to 800x600. (Native is 1366x768) > Only then will it boot using UEFI. > I tried setting it to 1024x768, then it crashes. If it helps I can get the > backtrace. [Not sure what's going on here] > The other "interresting" thing is that when UEFI-booting the > sdhci-controllers is not detected. (There are two, one card reader, and I > guess one for internal eMMC that is not present in this model). > > Booting with legacy BIOS: > # pciconf -l| grep sdhci > sdhci_pci0@pci0:0:18:0: class=0x080501 card=0x09331025 chip=0x0f168086 > rev=0x0e hdr=0x00 > sdhci_pci1@pci0:0:23:0: class=0x080501 card=0x09331025 chip=0x0f508086 > rev=0x0e hdr=0x00 > > Booting UEFI they are simply not there... At least sometimes, the CSM is involved in initializing some peripherals (this happens with an isci(4) SAS controller I have, for example) and disabling it will result in them not appearing. This is a BIOS bug, unfortunately. > > Also Xorg only works with BIOS. (Only VESA. I guess VESA drivers depends > on BIOS? For proper X support I guess I have to wait for the Haswell > drivers) You can use xf86-video-scfb for a VESA-like experience on EFI systems. -Nathan
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