Re: clock drift with two Promise Ultra133 TX2 (PDC 20269) cards

From: Oskar Liljeblad
Date: Tue May 03 2005 - 12:30:09 EST


On Tuesday, May 03, 2005 at 11:53, Drew Winstel wrote:
> I think I know what the problem is.
>
> In include/linux/libata.h, make sure the preprocessor declarations are as
> follows. I think the defaults have ATA_ENABLE_PATA undefined.
>
> #define ATA_ENABLE_ATAPI /* undefine to disable ATAPI support */
> #define ATA_ENABLE_PATA /* define to enable PATA support in some
> * low-level drivers */

Thanks, now it loads correctly. Unfortunately the clock drift still occurs
with pata_pdc2027x. I'm guessing here, but can clock drift have anything
to do with IRQs? Also, is it normal to see errors in /proc/interrupt?

# cat /proc/interrupts
CPU0
0: 954189 XT-PIC timer
2: 0 XT-PIC cascade
8: 16 XT-PIC rtc
9: 0 XT-PIC acpi
10: 1630 XT-PIC eth1
11: 103147 XT-PIC libata
12: 9990 XT-PIC eth0
14: 5993 XT-PIC ide0
15: 145866 XT-PIC libata
NMI: 0
LOC: 0
ERR: 23672
MIS: 0

Regards,

Oskar Liljeblad (oskar@xxxxxxxxxxx)
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