Re: [Xen-devel] [PATCH] xen/pt: fix some pass-thru devices don't work across reboot

2018-11-12 Thread Jan Beulich
>>> On 12.11.18 at 05:58, wrote: > On Fri, Nov 09, 2018 at 02:14:04AM -0700, Jan Beulich wrote: > On 09.11.18 at 01:11, wrote: >>> I find some pass-thru devices don't work any more across guest >>> reboot. Assigning it to another domain also meets the same issue. And >>> the only way to make

Re: [Xen-devel] [PATCH] xen/pt: fix some pass-thru devices don't work across reboot

2018-11-11 Thread Chao Gao
On Fri, Nov 09, 2018 at 02:14:04AM -0700, Jan Beulich wrote: On 09.11.18 at 01:11, wrote: >> I find some pass-thru devices don't work any more across guest >> reboot. Assigning it to another domain also meets the same issue. And >> the only way to make it work again is un-binding and binding

Re: [Xen-devel] [PATCH] xen/pt: fix some pass-thru devices don't work across reboot

2018-11-09 Thread Jan Beulich
>>> On 09.11.18 at 01:11, wrote: > I find some pass-thru devices don't work any more across guest > reboot. Assigning it to another domain also meets the same issue. And > the only way to make it work again is un-binding and binding it to > pciback. Someone reported this issue one year ago [1].

[Xen-devel] [PATCH] xen/pt: fix some pass-thru devices don't work across reboot

2018-11-09 Thread Chao Gao
I find some pass-thru devices don't work any more across guest reboot. Assigning it to another domain also meets the same issue. And the only way to make it work again is un-binding and binding it to pciback. Someone reported this issue one year ago [1]. The root cause is that xen sets the