[haiku-bugs] Re: [Haiku] #7478: [USB] Haiku does not boot on Gigabyte MA78LM-S2
- From: "mmlr" <trac@xxxxxxxxxxxx>
- Date: Mon, 25 Apr 2011 16:43:57 -0000
#7478: [USB] Haiku does not boot on Gigabyte MA78LM-S2
---------------------------+-------------------------------
Reporter: silentjohn | Owner: mmlr
Type: bug | Status: new
Priority: normal | Milestone: R1
Component: Drivers/USB | Version: R1/Development
Resolution: | Keywords: usb, sb700, sbx00
Blocked By: | Blocking:
Has a Patch: 0 | Platform: x86
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Comment (by mmlr):
What exactly happens there? Does it stop there or does it continue very
slowly? If it continues extremely slowly then it's either an OS interrupt
storm or an SMI storm hanging or almost hanging the system due to it
looping through the interrupt handlers continuously. Possibly disabling
interrupts completely using the disable-interrupts register as well as
acknowledging any possibly pending interrupt before writing the ownership
change request could avoid that. It is also possible that the ownership
change itself works, but the reset triggers the interrupt storm (would be
pretty wired to implement it that way though).
--
Ticket URL: <http://dev.haiku-os.org/ticket/7478#comment:2>
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