Re: isp driver not 64 bit?
From: David Gilbert (dgilbert_at_dclg.ca)
Date: 11/30/04
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Date: Tue, 30 Nov 2004 15:45:55 -0500 To: Peter Wemm <peter@wemm.org>
>>>>> "Peter" == Peter Wemm <peter@wemm.org> writes:
Peter> On Tuesday 30 November 2004 11:39 am, Wilko Bulte wrote:
>> On Mon, Nov 29, 2004 at 08:05:39PM -0500, freebsd-list@dclg.ca
>> wrote..
>>
>> > After a bunch of frustrating debugging, I've tenatively come to
>> the > conclusion that the isp(4) driver is not 64 bit safe --- at
>> the > very least insofar as the amd64 platform is concerned.
>>
>> Side note: isp(4) has been in use for years on Alpha, and I do not
>> recall having seen problems like yours on it. Mind you, not much
>> FC connections I ever used on it. The only thing critical for
>> success on Alpha is loading ispfw.ko *always*. Matt (mjacob) has
>> noted that multiple times, and he is absolutely right.
>>
>> Wilko
Peter> I haven't seen an alpha with more than 2G of ram that we booted
Peter> on. Is it possible that isp has never been tested with >4G
Peter> ram?
I had the machine tested with hw.physmem=2g and it works.
Peter> Secondly.. what release is this on? I'm wondering if the
Peter> horrific busdma bugs in 5.3-RELEASE might be a problem if the
Peter> machine does have
>> 4G ram.
I updated to -STABLE as of yesterday morning and it changed the nature
of the panic somewhat, but did not fix it.
Peter> Third, is this a machine ram size problem or a disk volume size
Peter> problem? The original post was about a 131G FC volume and
Peter> calculating the wrong number of sectors and the wrong sector
Peter> size...
Someone pointed out to me that my integer was 0xDEADBEEF ... which
somewhat squared with my use of 'options INVARIANTS' on the kernel.
Note that the scsi_da.c size printf shows the correct size.
Dave.
-- ============================================================================ |David Gilbert, Independent Contractor. | Two things can only be | |Mail: dave@daveg.ca | equal if and only if they | |http://daveg.ca | are precisely opposite. | =========================================================GLO================ _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
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