There is an issue with removal of parallels disk paravirt driver. Without the patch, the VM being migrated may not boot on the desination with BSOD: 0x7b. The patch is a workaround to prevent the BSOD. Signed-off-by: Denis Plotnikov <dplotnikov(a)virtuozzo.com&gt; --- v2v/convert_windows.ml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/v2v/convert_windows.ml b/v2v/convert_windows.ml index 4511c53c3..706202499 100644 --- a/v2v/convert_windows.ml +++ b/v2v/convert_windows.ml @@ -469,6 +469,8 @@ echo uninstalling Xen PV driver let fb_script = "\ @echo off +REG DELETE HKLM\\System\\CurrentControlSet\\Services\\prl_strg\\DriverInfo /v RefCount /f + echo uninstalling Parallels guest tools " ^ uninst ^ (* ERROR_SUCCESS_REBOOT_REQUIRED == 3010 is OK too *)

On Thu, May 21, 2020 at 04:54:21PM +0300, Denis Plotnikov wrote: > There is an issue with removal of parallels disk paravirt driver. > Without the patch, the VM being migrated may not boot on the > desination with BSOD: 0x7b. > The patch is a workaround to prevent the BSOD. > Signed-off-by: Denis Plotnikov <dplotnikov(a)virtuozzo.com> --- > v2v/convert_windows.ml | 2 ++ > 1 file changed, 2 insertions(+) > diff --git a/v2v/convert_windows.ml b/v2v/convert_windows.ml > index 4511c53c3..706202499 100644 > --- a/v2v/convert_windows.ml > +++ b/v2v/convert_windows.ml > @@ -469,6 +469,8 @@ echo uninstalling Xen PV driver > let fb_script = "\ > @echo off > > +REG DELETE HKLM\\System\\CurrentControlSet\\Services\\prl_strg\\DriverInfo /v RefCount /f > + > echo uninstalling Parallels guest tools > " ^ uninst ^ > (* ERROR_SUCCESS_REBOOT_REQUIRED == 3010 is OK too *) ACK, I'll push this in a minute. I looked at your other package yesterday but it was more than I could process in the few minutes I had available :-( I'll take a longer look at it soon. It does appear to be generally OK. Rich.