Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

libata-core Disabling IRQ with new Compact Flash

We use compact flashes a lot on Altera evaluations boards with CF - with a custom daughter card (on DE115 Terasic) and on custom PBCs. But -- have run into a problem. I'm attempting to track this do...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Kazu,

The interrupt IS NOT getting handled, so not cleared (we see that on the o-scope too).

It just is stuck going in & out of ata_sff_interrupt. When the system finally give up,

And I do a "cat /proc/interrupts" there have been 100,000 interrupt calls! On a normal boot there are only 9.