Messages in this thread | | | Date | Wed, 2 Sep 1998 07:34:19 -0700 (PDT) | From | David Lang <> | Subject | Re: Freeze Upon /dev/fd0 Use |
| |
-----BEGIN PGP SIGNED MESSAGE-----
Also old ISA SCSI cards could use DMA (Adaptec 154x for example) it also seems to me that there were some "high performance" cards of other types (video capture that I know of) that used DMA
David Lang
On 2 Sep 1998, Linus Torvalds wrote:
> Date: 2 Sep 1998 04:03:27 GMT > From: Linus Torvalds <torvalds@transmeta.com> > To: linux-kernel@vger.rutgers.edu > Subject: Re: Freeze Upon /dev/fd0 Use > > In article <Pine.LNX.3.96.980901211921.32757G-100000@mirkwood.dummy.home>, > Rik van Riel <H.H.vanRiel@phys.uu.nl> wrote: > >On Tue, 1 Sep 1998, Alan Cox wrote: > >> > >> Thats very interesting indeed. Do you know what patchlevel (about) this > >> problem started ? > > > >Alan, don't bother. I have one of these no-name Triton boards > >and the problem is reproducible under DOS too. I have no doubt > >that OS/2 or Rhapsody will show the same behaviour... > > Really? More than one active DMA at a time just killing the machine > completely? > > The good news is that ISA DMA is broken anyway, and it might just be an > acceptable option to not even have a "BROKEN_DMA" config option, but > just unconditionally refusing to allow two concurrent ISA DMA streams. > The only things I know of that do ISA DMA is the floppy and old sound > cards, and if that means that the sound skips while accessing the floppy > I don't know if we really need to worry too much.. > > Linus > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu > Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html >
-----BEGIN PGP SIGNATURE----- Version: PGP for Personal Privacy 5.0 Charset: noconv
iQEVAwUBNe1XbT7msCGEppcbAQHwRAgAlqOQ0GxUM1mbdpgfDirbqPOB25oqI7LY IaEa4vd1Vb/S+s2bmt1SbMzw4VWVvPQ0ZS7xDiPplTbREZR1cHZiqqnj4lwj2Szd JOOtIxpXAmUOpCMzc/HM+OB6dNl47iE5t6ILCsA0aNJgIyPA51+FStvrllvMCU+p Xy1i5nuCo4EkGeA4ic4otIGmAEWIXXpPxZ1aip5VNDep29Bzf2FrxQtL8spp6hJj Kyz0iWNKu+OILbZsL1dl7woxA0NqViXhGbClzj+f9FhPvWGaGEhc9bfsJ3NNhCBb TdY7aVS+6GQbTEFYFDs2llNOQYtZ20nf6x79fHQ7Le0RmguJNDNZ0g== =oZ0Z -----END PGP SIGNATURE-----
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html
| |