[lkml]   [2003]   [Feb]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.4.21-pre4: PDC ide driver problems with shared interrupts
> ide_dma_intr() called while the drive was busy. This is strange for a
> simple reason: Even if we got the wrong interrupt (shared interrupt),
> __ide_dma_test_irq() should have returned 0, and so ide_dma_intr
> shouldn't have been called.

Ok the other mail makes more sense now 8)

> drive->waiting_for_dma is set before setting up the handler and
> issuing the command, and while the DMA engine is indeed started
> only after sending the command, it's INTR bit have been cleared
> previously (I suppose it can't be stale, or can it while the DMA
> haven't been started yet ? In this case we would need to take
> the lock here).

I'd have to go digging. I think that can occur however.

Andre ?
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:32    [W:0.064 / U:4.552 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site