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RE: XenVif div by zero on Tx path after resume.
- To: Martin Harvey <martin.harvey@xxxxxxxxxx>, "paul@xxxxxxx" <paul@xxxxxxx>, "win-pv-devel@xxxxxxxxxxxxxxxxxxxx" <win-pv-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Martin Harvey <martin.harvey@xxxxxxxxxx>
- Date: Thu, 21 Apr 2022 13:15:22 +0000
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- Thread-topic: XenVif div by zero on Tx path after resume.
-----Original Message-----
From: win-pv-devel <win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx> On Behalf Of
Martin Harvey
Sent: 21 April 2022 14:09
To: paul@xxxxxxx; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
Subject: RE: XenVif div by zero on Tx path after resume.
> So, this is simple:
> - Were are failing because TransmitterQueuePacket gets called before
> VifSuspendCallbackLate, something which "in theory" should be impossible.
> So, perhaps, although the processor corral once worked, it no longer does?
An alternative explanation, which I forgot to mention is that the suspend
callbacks are being registered too late, so there's a window between the device
appearing to be set-up and functional to windows, and the suspend callback
being properly registered.
MH.
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