Mailinglist Archive: opensuse-bugs (9642 mails)
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[Bug 300001] Installation freeze when loading ahci module on A8V-VM
- From: bugzilla_noreply@xxxxxxxxxx
- Date: Wed, 7 Nov 2007 19:05:32 -0700 (MST)
- Message-id: <20071108020532.E983924526A@xxxxxxxxxxxxxxxxxxxxxx>
https://bugzilla.novell.com/show_bug.cgi?id=300001#c19
Tejun Heo <teheo@xxxxxxxxxx> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC|
|gregkh@xxxxxxxxxx
Status|NEW |NEEDINFO
Info Provider|
|thodo_mitch@xxxxxxxxxxx
--- Comment #19 from Tejun Heo <teheo@xxxxxxxxxx> 2007-11-07 19:05:32 MST ---
It turned out that the north bridge of the ATI chipsets wasn't the culprit.
The problem was in the controller. When using MSI, INTX is disabled to avoid
causing IRQ storm on the line. AHCI controllers on those ATI chipsets turn off
MSI too when INTX is disabled. :-(
I'm wondering whether this is the same problem. The proposed fix for the
problem is to skip INTX disabling for those chips. Teddy, can you please test
the attached patch? Thanks.
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Tejun Heo <teheo@xxxxxxxxxx> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC|
|gregkh@xxxxxxxxxx
Status|NEW |NEEDINFO
Info Provider|
|thodo_mitch@xxxxxxxxxxx
--- Comment #19 from Tejun Heo <teheo@xxxxxxxxxx> 2007-11-07 19:05:32 MST ---
It turned out that the north bridge of the ATI chipsets wasn't the culprit.
The problem was in the controller. When using MSI, INTX is disabled to avoid
causing IRQ storm on the line. AHCI controllers on those ATI chipsets turn off
MSI too when INTX is disabled. :-(
I'm wondering whether this is the same problem. The proposed fix for the
problem is to skip INTX disabling for those chips. Teddy, can you please test
the attached patch? Thanks.
--
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