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Date: Tue, 8 Feb 2005 07:20:20 GMT
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To: freebsd-bugs@FreeBSD.org
From: "Julien Gabel" <jpeg@thilelli.net>
Subject: Re: kern/74989: (regression) Lost USB support between 
 5.2.1-RELEASE and 5.3-RELEASE on K7T266 Pro2.
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The following reply was made to PR kern/74989; it has been noted by GNATS.

From: "Julien Gabel" <jpeg@thilelli.net>
To: bug-followup@FreeBSD.org
Cc: freebsd-acpi@freebsd.org, freebsd-usb@freebsd.org
Subject: Re: kern/74989: (regression) Lost USB support between 
     5.2.1-RELEASE and 5.3-RELEASE on K7T266 Pro2.
Date: Tue, 8 Feb 2005 08:19:44 +0100 (CET)

 Just a side note, the desktop on which the problem (still) occurs follow
 the RELENG_5 branch and the build used at this time is as follow:
   FreeBSD 5.3-STABLE #0: Fri Feb  4 05:38:57 CET 2005
 
 But since mid/end-december 2004 (for ~2 months now _approximatively_) i
 encountered systematically an interrupt storm from the USB host controller
 which prevent me inevitably to be able to use all of ly USB devices:
   Interrupt storm detected on "irq10: uhci0 uhci1+"; throttling interrupt
 source
 
 In this context, if i reenable ACPI support on boot, i didn't see any
 interrupt storm problem anymore... but i still can't use USB on this
 system.
 
 So, i now had an unusable USB system:
   - ACPI disable / uhci interrupt storm (doesn't even get the device
     created on the fly) => unusable USB devices
   - ACPI enable / "conflict" with USB stack (doesn't even get the device
     created on the fly) => unusable USB devices
 
 Any advice?
 -- 
 -jpeg.
 
 PS: Please CC me, since i am not a suscriber of freebsd-acpi@ nor
 freebsd-usb@.