atom feed18 messages in com.xensource.lists.xen-devel[Xen-devel] xc_evtchn_status fails wi...
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Marek Marczykowski-GóreckiJan 13, 2017 9:31 am 
Andrew CooperJan 13, 2017 9:38 am 
Marek Marczykowski-GóreckiJan 13, 2017 10:03 am 
Andrew CooperJan 13, 2017 10:15 am 
Marek Marczykowski-GóreckiJan 13, 2017 10:32 am 
Andrew CooperJan 13, 2017 10:37 am 
Marek Marczykowski-GóreckiJan 13, 2017 10:59 am 
Andrew CooperJan 13, 2017 11:27 am 
Marek Marczykowski-GóreckiJan 13, 2017 11:40 am 
Andrew CooperJan 13, 2017 11:54 am 
Marek Marczykowski-GóreckiJan 13, 2017 12:32 pm 
Andrew CooperJan 13, 2017 5:47 pm 
Marek Marczykowski-GóreckiJan 13, 2017 6:52 pm 
Jan BeulichJan 16, 2017 4:17 am 
Marek Marczykowski-GóreckiJan 16, 2017 3:06 pm 
Andrew CooperJan 16, 2017 3:41 pm 
Marek Marczykowski-GóreckiJun 22, 2017 1:23 am 
Andrew CooperJun 22, 2017 1:27 am 
Subject:[Xen-devel] xc_evtchn_status fails with EFAULT on HVM, the same on PV works
From:Marek Marczykowski-Górecki (marm@invisiblethingslab.com)
Date:Jan 13, 2017 9:31:30 am
List:com.xensource.lists.xen-devel

Hi,

I have a strange problem - xc_evtchn_status fails when running in HVM, while exactly the same code (same kernel, same application etc) works fine in PV. I've narrowed it down to copy_from_guest call in common/event_channel.c, but no idea why it fails there. Xen version is 4.8.0. kernel is kernel-4.8.13-100.fc23. Any idea?