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SubjectRe: VIA vt8235 headache
Hi,

with this patch applied over the 2.4.21-pre4-ac2, the CDROM on IDE1 now
works ok, no more error messages.

The harddrive on /dev/hdc is still choking though...

hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdc: dma_intr: error=0x00 { }
hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdc: dma_intr: error=0x00 { }
hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdc: dma_intr: error=0x00 { }
hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdc: dma_intr: error=0x00 { }
hdc: DMA disabled
ide1: reset: master: error (0x00?)
hdc: lost interrupt

Regards,
Petr

sven kissner wrote:

> hi petr,
>
> i had the same errors (although i never experienced any issues with hd,
> but this seems to be because i'm running them on primary while having my
> atapu devices on secondary). i fixed them the following:
>
> - using 2.4.21pre4 (pre3 worked either)
> - applying the following patch from vojteck:
>
> <--
> ChangeSet@1.884, 2002-12-19 11:23:11+01:00, vojtech@suse.cz
> VIA IDE: Always use slow address setup timings for ATAPI devices.
>
>
> via82cxxx.c | 19 ++++++-------------
> 1 files changed, 6 insertions(+), 13 deletions(-)
>
>
> diff -Nru a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
> --- a/drivers/ide/pci/via82cxxx.c Thu Dec 19 11:23:42 2002
> +++ b/drivers/ide/pci/via82cxxx.c Thu Dec 19 11:23:42 2002
> @@ -1,16 +1,5 @@
> /*
> - * $Id: via82cxxx.c,v 3.35-ac2 2002/09/111 Alan Exp $
> - *
> - * Copyright (c) 2000-2001 Vojtech Pavlik
> - *
> - * Based on the work of:
> - * Michel Aubry
> - * Jeff Garzik
> - * Andre Hedrick
> - */
> -
> -/*
> - * Version 3.35
> + * Version 3.36
> *
> * VIA IDE driver for Linux. Supported southbridges:
> *
> @@ -152,7 +141,7 @@
> via_print("----------VIA BusMastering IDE Configuration"
> "----------------");
>
> - via_print("Driver Version: 3.35-ac");
> + via_print("Driver Version: 3.36");
> via_print("South Bridge: VIA %s",
> via_config->name);
>
> @@ -351,6 +340,10 @@
> ide_timing_compute(peer, peer->current_speed, &p, T, UT);
> ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT);
> }
> +
> + /* Always use 4 address setup clocks on ATAPI devices */
> + if (drive->media != ide_disk)
> + t.setup = 4;
>
> via_set_speed(HWIF(drive)->pci_dev, drive->dn, &t);
> -->



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