From: Philippe Anel <xigh@free.fr>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] Broadcom drivers, yet again
Date: Wed, 24 Oct 2007 15:27:55 +0200 [thread overview]
Message-ID: <471F485B.60603@free.fr> (raw)
In-Reply-To: <026f57cc887151966fbea9de9d31f6fa@quanstro.net>
erik quanstrom a écrit :
>> term% grep cpu /dev/kmesg
>> cpu0: 998MHz CentaurHauls Via C3 Eden-N (cpuid: AX 0x069A DX 0x381BA3F)
>> cpu1: 997MHz CentaurHauls Via C3 Eden-N (cpuid: AX 0x069A DX 0x381BA3F)
>> term% grep type /dev/vgactl
>> type vesa
>>
>
> do you know why vesa works with via multiprocessors?
> i haven't seen it work with amd/intel. what's the difference?
>
> - erik
>
>
For your information, it also works with my amd x2 processor.
I think it works because in (some?) dual core processors, the interrupts
are always routed to only
one of the two cores. This might not be the same for dual cpu machines.
And realmode requires interrupts to be completly disabled.
Phil;
next prev parent reply other threads:[~2007-10-24 13:27 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-21 12:33 Pietro Gagliardi
2007-10-21 12:44 ` erik quanstrom
2007-10-21 13:34 ` Pietro Gagliardi
2007-10-21 13:55 ` erik quanstrom
2007-10-21 14:03 ` Steve Simon
2007-10-21 14:06 ` erik quanstrom
2007-10-21 14:24 ` Pietro Gagliardi
2007-10-21 14:30 ` erik quanstrom
2007-10-21 14:35 ` Pietro Gagliardi
2007-10-21 15:51 ` Jack Johnson
2007-10-22 7:32 ` Philippe Anel
2007-10-22 14:10 ` Jack Johnson
2007-10-22 14:23 ` ron minnich
2007-10-22 14:45 ` erik quanstrom
2007-10-22 14:41 ` Philippe Anel
2007-10-22 14:59 ` erik quanstrom
2007-10-22 15:04 ` Philippe Anel
2007-10-24 10:41 ` Richard Miller
2007-10-24 12:32 ` erik quanstrom
2007-10-24 13:27 ` Philippe Anel [this message]
2007-10-26 8:34 ` Richard Miller
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