[Xen-devel] [BUG] Rhel7u2 guest with kernel 4.6.0 restore and migrate failed

["Zhang, PengtaoX" <pengtaox.zhang@xxxxxxxxx>]

Bug detailed description:
----------------
1. Rhel7u2 guest with kernel 4.6.0 migrate failed
2. Rhel7u2 guest with kernel 4.6.0 restore failed
3. Rhel7u2 guest with default kernel (3.10.0) can be restored and migrate 
successfully

Environment :
----------------
HW: Skylake-SP
Xen: Xen 4.7.0 RC4
Dom0: Linux 4.5.2 stable

Reproduce steps:
----------------
Prepare test environment 
1.Install redhat 6.7 OS on Skylake-SP platform  as base OS , then compile and 
install  ,xen and Dom0, reboot from xen .
2.Create a rhel7.2 guest with kernel 4.6.0 via :
        xl create config.rhel7u2-4.6

Save/Restore test
1.After boot up guest with kernel 4.6.0 then :
        xl save $dom_id $save_guest.img
2.After save guest do
        xl restore $save_guest.img
3.Current status is guest with kernel 4.6.0 can be save successfully ,but 
restore guest failed . Guest with default kernel can be save/restore 
successfully .

Migrate test 
1. After boot up guest with kernel 4.6.0 then :
        xl migrate $dom_id localhost 
2. Current status is guest with kernel 4.6.0 migrate failed . Guest with 
default kernel can be migrate successfully .

Base error log:
----------------
rhel7u2_4.6.0_SR_fail.log file only for Save/Restore test , other log file are 
for migrate test .


Regards,
Pengtao

Attachment: config.rhel7u2_4.6
Description: config.rhel7u2_4.6

Attachment: qemu-dm-RHEL7.2_xen.hvm.log
Description: qemu-dm-RHEL7.2_xen.hvm.log

Attachment: qemu-dm-RHEL7.2_xen.hvm--incoming.log
Description: qemu-dm-RHEL7.2_xen.hvm--incoming.log

Attachment: rhel7u2_3.10.0_lm_pass.log
Description: rhel7u2_3.10.0_lm_pass.log

Attachment: rhel7u2_4.6.0_SR_fail.log
Description: rhel7u2_4.6.0_SR_fail.log

Attachment: rhel7u2_xen_4.6.0_migraete_fail.log
Description: rhel7u2_xen_4.6.0_migraete_fail.log

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