Le samedi 09 septembre 2006 à 17:15 +0100, Alan Cox a écrit :
> Ar Sad, 2006-09-09 am 17:37 +0200, ysgrifennodd Michael De Backer:
> > - else if (m5229_revision == 0xc7)
> > + else if (m5229_revision == 0xc7 || 0xc8)
>
> I don't think that is what you mean..
>
> NAK
Indeed, let's try again (please forgive my dumbness).
Configuration bits are not set properly for DMA on some chipset
revisions. It has already been corrected for M5229 (rev c7) but not for
M5229 (rev c8). This leads to the bug described at
http://bugzilla.kernel.org/show_bug.cgi?id=5786 (lost interrupt + ide
bus hangs).
Signed-off-by: Michael De Backer <[email protected]>
---
The following patch is against the 2.6.18-rc6 or 2.6.18-rc6-mm1 kernel:
--- linux/drivers/ide/pci/alim15x3.c.orig 2006-09-09
16:07:07.000000000 +0200
+++ linux/drivers/ide/pci/alim15x3.c 2006-09-09 16:08:25.000000000
+0200
@@ -730,7 +730,7 @@ static unsigned int __devinit ata66_ali1
if(m5229_revision <= 0x20)
tmpbyte = (tmpbyte & (~0x02)) | 0x01;
- else if (m5229_revision == 0xc7)
+ else if (m5229_revision == 0xc7 || m5229_revision == 0xc8)
tmpbyte |= 0x03;
else
tmpbyte |= 0x01;
-
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