Andre Hedrick
The Linux IDE guy
On Tue, 14 Sep 1999, Andrew Mann wrote:
> Is support for this controller being workeded on, updated, or complete?
> I've applied the most recent of Hedrick's IDE patches and the system locks
> solid during initialization of the controller.
>
> The actual lockup occurs within ide_config_drive_speed
> (drivers/block/ide.c) at "OUT_BYTE(drive->ctl | 2, IDE_CONTROL_REG);" (on or
> about line 2306). It occurs regardless of drive mode (UDMA66/4 UDMA66/3
> UDMA33). ide_config_drive_speed is called by hpt366_tune_chipset which is
> called by config_chipset_for_dma (both in drivers/block/hpt366.c after
> ide.2.2.12.patch has been applied).
> The motherboard itself has 4 ide ports, 2 are standard UDMA33 built onto
> the motherboard, 2 are UDMA66 controlled through the HPT366 (and a seperate
> bios). The problem existed with bios v1.01 as well as 1.10 (an upgrade
> included with the BE6 bios update MU). It occurs regardless of IRQ or other
> pci/isa devices (occurs when the system is striped). The drives in use are
> maxtor 92720U8 (4 of them, but since the bios update to 1.10 the hpt366
> driver only detects the first chain - 2 drives.) Each of the UDMA33 ports
> has a single UDMA33 drive on it which initialize fine.
> The system lock causes a complete loss of response (4 second power-button
> required to power down).
>
> The lock occurs immediately after initializing the UDMA33 drives:
> hda: Maxtor 88400D8, 8011MB w/256kB Cache, CHS=16278/16/63, UDMA
> hdc: Maxtor 91360D8, 12970MB w/256kB Cache, CHS=26353/16/63, UDMA
>
> A bit of clunky debugging revealed the function/line which caused the lock.
>
>
> Specs:
> Abit BE6 motherboard (single slot-1, 2 udma33 ports, 2 udma66 ports via
> HPT366)
> p-2 266
> 128 megs sdram
>
> The two UDMA33 drives listed above (8G,13G). Four Maxtor 92720U8 7200rpm
> UDMA66 drives.
>
> Redhat 6.0 (though I suspect this doesn't matter since the kernel never
> fully initializes.
> kernel 2.2.12 w/ ide.2.2.12.patch
> (ftp.kernel.org/pub/linux/kernel/people/hedrick/ide.2.2.12.patch.gz -
> 9/12/1999)
>
> Various cables and drive configurations were attempted.
>
> Any help/references/pointers would be appreciated! :)
>
> Andrew Mann
>
>
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