Re: Can't use USB keyboard during boot menu

On Tue, Feb 23, 2010 at 12:28 PM, Brandon Gooch
<jamesbrandongooch_at_gmail.com> wrote:
> On Tue, Feb 23, 2010 at 7:29 AM, Andriy Gapon <avg_at_icyb.net.ua> wrote:
>> on 23/02/2010 13:18 Renato Botelho said the following:
>>> On Mon, Feb 22, 2010 at 7:35 PM, Chris Hedley
>>> <freebsd-current_at_chrishedley.com> wrote:
>> [snip]
>>>> Do you have USB legacy support enabled in your BIOS?  I'm not sure if
>>>> there's an option for the loader to use USB devices natively, but the BIOS's
>>>> legacy option where it provides AT/PS2 emulation is probably the easiest way
>>>> to get the keyboard working.
>>>
>>> Yes, I do, but it seems to be a regression on FreeBSD itself, I had this problem
>>> in the past and I checked the same things i need to check in the past again and
>>> everything is fine.
>>
>> A more precise way to state that would be "a regression in FreeBSD boot/loader".
>> I think that you are referring to the issue that was fixed by r189017.
>> It might be worthwhile investigating what was done in that revision and what
>> happened in sys/boot code since then.
>>
>> One possibility is that your BIOS uses memory above 1MB for USB emulation, but
>> doesn't mark that memory as used in system memory map.  In that case that memory
>> could be overwritten by the loader.  If that's true then the blame is on the BIOS.
>>  Alternatively, our code might be parsing the system memory map incorrectly.
>> But I am just making wild guesses here.
>>
>
> I don't know if it is at all related, but this commit has caused
> problems for me booting at least one of my machines:
>
> http://svn.freebsd.org/viewvc/base/head/sys/boot/i386/zfsboot/zfsboot.c?r1=199714&r2=200309
>
> Commit message:
>
> Revision 200309 - (view) (annotate) - [select for diffs]
> Modified Wed Dec 9 20:36:56 2009 UTC (2 months, 2 weeks ago) by jhb
> File length: 24893 byte(s)
> Diff to previous 199714
> - Port bios_getmem() from libi386 to {gpt,}zfsboot() and use it to
>  safely allocate a heap region above 1MB.  This enables {gpt,}zfsboot()
>  to allocate much larger buffers than before.
> - Use a larger buffer (1MB instead of 128K) for temporary ZFS buffers.  This
>  allows more reliable reading of compressed files in a raidz/raidz2 pool.
>
> Submitted by:   Matt Reimer  mattjreimer of gmail
> MFC after:      1 week
>
> Renato, are you booting ZFS?

Nope, UFS. I'll try to find another USB keyboard to test

-- 
Renato Botelho