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RE: XenVif div by zero on Tx path after resume.


  • To: "paul@xxxxxxx" <paul@xxxxxxx>, "win-pv-devel@xxxxxxxxxxxxxxxxxxxx" <win-pv-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Martin Harvey <martin.harvey@xxxxxxxxxx>
  • Date: Mon, 25 Apr 2022 09:20:43 +0000
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  • Thread-topic: XenVif div by zero on Tx path after resume.


-----Original Message-----
From: Durrant, Paul <xadimgnik@xxxxxxxxx> 
Sent: 25 April 2022 10:15
To: Martin Harvey <martin.harvey@xxxxxxxxxx>; paul@xxxxxxx; 
win-pv-devel@xxxxxxxxxxxxxxxxxxxx
Subject: Re: XenVif div by zero on Tx path after resume.


> So, there should be no way a thread can run before all 'late' callbacks have 
> run unless there is a kernel call being made at the wrong IRQL or we need 
> extra barriering. Hopefully the former could be caught in verifier.

Don't panic. I think I've found the bug - just running some extra tests to make 
sure.

MH.

 


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