IOInterruptEventSource in Leopard

Subject: IOInterruptEventSource in Leopard

From: Boris Remizov <email@hidden>

Date: Tue, 16 Oct 2007 16:47:15 +0400

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Hello All!

Yesterday I tried my HBA driver under 10.5 and found the strange behavior of the IOInterruptEventSource class. Then I create instance with fabric InterruptEventSource::interruptEventSource (,,,IOPCIDevice, 0) the display always freeze for about one minute and in the system.log, appears the line:

NVChannel(GL): Graphics channel timeout!

Also I tried to load standard Apple HBA drivers from 10.4.x under this 10.5 build and observe the same behavior.

What can it be?

P.S. I use pre-release version of Leopard Build 9A559, under previous build all works fine.

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Follow-Ups:

Re: IOInterruptEventSource in Leopard
- From: Alexander von Below <email@hidden>