Re: 2.1.101, dma + hd problem

mlord (mlord@pobox.com)
Thu, 14 May 1998 10:50:09 -0400

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S. Shore wrote:
..
> For 2.1.101, it went through several timeouts, then disables DMA and
> hangs. Disabling "Generic DMA bus-master support" cures this.

Fixed several days ago. pre-patch-2.1.102 includes the fix,
and I've attached the fix to this email.

-- 
mlord@pobox.com
The Linux IDE guy


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--- linux-2.1.101/drivers/block/ide.c	Sat May  9 09:23:32 1998
+++ linux/drivers/block/ide.c	Sat May  9 09:42:48 1998
@@ -1333,6 +1333,7 @@
 	}
 	hwgroup->busy = 1;	/* should already be "1" */
 	hwgroup->handler = NULL;
+	del_timer(&hwgroup->timer);
 	if (hwgroup->poll_timeout != 0) {	/* polling in progress? */
 		IDE_SPIN_UNLOCK_IRQRESTORE("ide_timer_expiry3", &hwgroup->spinlock, flags);
 		handler(drive);
@@ -1348,7 +1349,6 @@
 		IDE_SPIN_UNLOCK_IRQRESTORE("ide_timer_expiry5", &hwgroup->spinlock, flags);
 		ide_error(drive, "irq timeout", GET_STAT());
 	}
-	del_timer(&hwgroup->timer);
 	start_next_request(hwgroup, 0);
 }
 


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