Subject: Re: port-i386/7807: 1.4 install floppy has "Bus-Master DMA error:
To: Chris G. Demetriou <email@example.com>
From: Ed Gould <firstname.lastname@example.org>
Date: 06/23/1999 16:43:34
> Manuel Bouyer <email@example.com> writes:
>>On Fri, Jun 18, 1999 at 02:29:46AM -0700, firstname.lastname@example.org wrote:
>>> pciide0:0:0: lost interrupt
>>> type: ata
>>> c_bcount: 65536
>>> c_skip: 0
>>> pciide0:0:0: Bus-Master DMA error: missing interrupt, status=0x21
>>> wd0e: DMA error writing fsbn 129184 of 129184-129311 (wd0 bn 764224; cn
758 tn 2
>>> sn 34), retrying
>>> wd0: soft error (corrected)
>>> It's worth noting that these errors do appear to be safely corrected,
>>> i.e. installation continues and nothing _appears_ to be wrong
>>> with the installed bits (though i've not tried to verify them
>>> closely enough to be sure).
>>I'm pretty sure these errors are caused by flacky hardware which don't
> >DMA properly.
> While this may be true, i'm hesitant to believe it.
I don't believe it either. I saw the same problem (with effectively the same
hardware). I'm still running 1.3.2 on this machine, with the PCI IDE patches
installed, without failures.