Date: Wed, 12 Nov 2008 12:36:19 +0300 From: pluknet <pluknet@gmail.com> To: Martin <nakal@web.de> Cc: Volker <volker@vwsoft.com>, Stable <freebsd-stable@freebsd.org>, freebsd-usb@freebsd.org, Peter Wemm <peter@wemm.org>, Andriy Gapon <avg@icyb.net.ua> Subject: Re: usb keyboard dying at loader prompt Message-ID: <a31046fc0811120136s477bcacev7e8b2d4ec5ab951d@mail.gmail.com> In-Reply-To: <20081111213344.6657548c@zelda.local> References: <4912E462.4090608@icyb.net.ua> <491586B9.2020303@vwsoft.com> <4919851B.7050800@icyb.net.ua> <e7db6d980811111055j24ed8f4rb4539c6678553b97@mail.gmail.com> <20081111213344.6657548c@zelda.local>
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2008/11/11 Martin <nakal@web.de>: > Am Tue, 11 Nov 2008 10:55:45 -0800 > schrieb "Peter Wemm" <peter@wemm.org>: > >> Some bioses have a list of MBR partition id's and use that to >> determine what to do with the USB keyboard. One of my ol older amd64 >> motherboards worked but would always disable the usb keyboard right as >> loader started. I discovered the following: >> * If I put the freebsd bootblocks and loader on a floppy drive (no >> MBR), then the bios did not turn off the keyboard. It always >> continued to work for loader. >> * If i hacked the boot bootblocks and loader and kernel to recognize >> different MBR slice id nubmers as "ours", then changing the freebsd >> MBR to be "msdos" or "linux" also worked for that BIOS. It would no >> longer turn off the USB keyboard. I don't recall which Id number I >> used instead of 165 - it was about 4 years ago. >> * There were other consequences of using the partition ID hack - I >> think I remember it turning off the apic for msdos mode. >> >> Your problems may be different, but mine were caused by a BIOS >> whitelist of MBR partition id's. What a stupid problem. On that >> motherboard I ended up taking the path of least resistance and using >> the PS/2 adapter plug on the keyboard. > > Hello, > > I want to add some information about USB problems which occur for me > very frequently. > > I have found out that most of the problems are related to Gigabyte > mainboards. I have 2 of them now. One is "EP35C-DS3R". With this > mainboard sometimes my USB keyboard and USB mouse stop working (the > power is simply off). I can reattach them and they both power up again. > > The second mainboard is "EP45-DS3R". Here the problem is even worse. > The keyboard and mouse (both USB) lose power as soon as FreeBSD scans > the USB controllers. Here, I can also reattach the devices and they are > usable again. > > One further hint: it seems Vista (64 bit version) has the same problem > with this EP45-DS3R mainboard. After it boots into the login screen, I > have to reattach the devices to use them. The mainboard is not broken, > I have tried 3 so far and all have these strange effects. > > > And now... I want to remind you that I have already posted here about > (same) USB problems on my laptop (Lenovo Thinkpad T60p). Sometimes I > have to reattach my keyboard there, too. Of course, this is not > Gigabyte here, but the weird behaviour ressembles the one above. I have the same problem with my ukbd&ums: they are power off'ed during the boot and I should to re-attach them . MB: Asus p5k. -- wbr, pluknet
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