From: Ognyan Kulev <ogi@fmi.uni-sofia.bg>
To: linux-ide@vger.kernel.org
Subject: Re: [BUG] OPTi 621, chipset revision 18, hangs with enabled DMA
Date: Sat, 31 Jul 2004 17:25:43 +0300 [thread overview]
Message-ID: <410BABE7.1040005@fmi.uni-sofia.bg> (raw)
In-Reply-To: <410B8555.6090209@fmi.uni-sofia.bg>
Ognyan Kulev wrote:
> After adding "ide=nodma", everything works fine.
Alexander Atanasov replied to me privately and said it seems that
OPTi621 doesn't support DMA. But after searching in Google, it looks
that there is some OPTi621 that supports DMA, although not 100% confirmed:
http://seclists.org/lists/linux-kernel/2002/Sep/2187.html
http://seclists.org/lists/linux-kernel/2002/Sep/2428.html
Is there reliable way to test if IDE controller suports DMA? I can test
patches, but after some weeks, because I don't have the laptop right now.
BTW My problem is that same as described in
http://www.mail-archive.com/redhat-list@redhat.com/msg82172.html
(revision 18 too!)
Regards,
ogi
next prev parent reply other threads:[~2004-07-31 14:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-31 11:41 [BUG] OPTi 621, chipset revision 18, hangs with enabled DMA Ognyan Kulev
2004-07-31 14:25 ` Ognyan Kulev [this message]
2004-08-01 5:55 ` Ognyan Kulev
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