[Xen-bugs] [Bug 1568] New: [TXT] Dom0 S3 on Tboot environment cause Xen hang

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1568

           Summary: [TXT] Dom0 S3 on Tboot environment cause Xen hang
           Product: Xen
           Version: unstable
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P1
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jiajun.xu@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32e
Change Set: 20858
Hardware: Weybridge


Bug detailed description:
--------------------------
On a Tboot dom0 environment, S3 cause Xen hang.


Reproduce steps:
----------------
1.
2.
3.



Basic root-causing log:
----------------------
(XEN) Xen call trace:
(XEN)    [<ffff82c4801b5f93>] vmx_cpu_down+0x82/0x8d
(XEN)    [<ffff82c48016d87d>] __stop_this_cpu+0x2d/0x33
(XEN)    [<ffff82c48016da1f>] smp_send_stop+0x44/0x60
(XEN)    [<ffff82c48016d590>] machine_restart+0x68/0x14e
(XEN)    [<ffff82c480135755>] panic+0x18c/0x198
(XEN)    [<ffff82c480179339>] do_invalid_op+0x6ec/0x73c
(XEN)    [<ffff82c4801f56db>] handle_exception_saved+0x2d/0x6b
(XEN)    [<ffff82c4801b5f93>] vmx_cpu_down+0x82/0x8d
(XEN)    [<ffff82c48016d87d>] __stop_this_cpu+0x2d/0x33
(XEN)    [<ffff82c48016da1f>] smp_send_stop+0x44/0x60
(XEN)    [<ffff82c48016d590>] machine_restart+0x68/0x14e
(XEN)    [<ffff82c480135755>] panic+0x18c/0x198
(XEN)    [<ffff82c480179339>] do_invalid_op+0x6ec/0x73c
(XEN)    [<ffff82c4801f56db>] handle_exception_saved+0x2d/0x6b
(XEN)    [<ffff82c4801b5f93>] vmx_cpu_down+0x82/0x8d
(XEN)    [<ffff82c48016d87d>] __stop_this_cpu+0x2d/0x33
(XEN)    [<ffff82c48016da1f>] smp_send_stop+0x44/0x60
(XEN)    [<ffff82c48016d590>] machine_restart+0x68/0x14e
(XEN)    [<ffff82c480135755>] panic+0x18c/0x198
(XEN)    [<ffff82c480179339>] do_invalid_op+0x6ec/0x73c
(XEN)    [<ffff82c4801f56db>] handle_exception_saved+0x2d/0x6b
(XEN)    [<ffff82c4801b5f93>] vmx_cpu_down+0x82/0x8d
(XEN)    [<ffff82c48016d87d>] __stop_this_cpu+0x2d/0x33
(XEN)    [<ffff82c48016da1f>] smp_send_stop+0x44/0x60
(XEN)    [<ffff82c48016d590>] machine_restart+0x68/0x14e
(XEN)    [<ffff82c480135755>] panic+0x18c/0x198
(XEN)    [<ffff82c480179339>] do_invalid_op+0x6ec/0x73c
(XEN)    [<ffff82c4801f56db>] handle_exception_saved+0x2d/0x6b
(XEN)    [<ffff82c4801b5f93>] vmx_cpu_down+0x82/0x8d
(XEN)    [<ffff82c48016d87d>] __stop_this_cpu+0x2d/0x33
(XEN)    [<ffff82c48016da1f>] smp_send_stop+0x44/0x60
(XEN)    [<ffff82c48016d590>] machine_restart+0x68/0x14e
(XEN)    [<ffff82c480135755>] panic+0x18c/0x198
(XEN)    [<ffff82c480179339>] do_invalid_op+0x6ec/0x73c
(XEN)    [<ffff82c4801f56db>] handle_exception_saved+0x2d/0x6b
(XEN)    [<ffff82c4801b5f93>] vmx_cpu_down+0x82/0x8d
(XEN)    [<ffff82c48016d87d>] __stop_this_cpu+0x2d/0x33
(XEN)    [<ffff82c48016da1f>] smp_send_stop+0x44/0x60
(XEN)    [<ffff82c48016d590>] machine_restart+0x68/0x14e
(XEN)    [<ffff82c480135755>] panic+0x18c/0x198
(XEN)    [<ffff82c480179339>] do_invalid_op+0x6ec/0x73c
(XEN)    [<ffff82c4801f56db>] handle_exception_saved+0x2d/0x6b
(XEN)    [<ffff82c4801b5f93>] vmx_cpu_down+0x82/0x8d
(XEN)    [<ffff82c48016d87d>] __stop_this_cpu+0x2d/0x33
(XEN)    [<ffff82c48016da1f>] smp_send_stop+0x44/0x60
(XEN)    [<ffff82c48016d590>] machine_restart+0x68/0x14e
(XEN)    [<ffff82c480135755>] panic+0x18c/0x198
(XEN)    [<ffff82c48018dbad>] enter_state_helper+0x27e/0x349
(XEN)    [<ffff82c48014c3a7>] continue_hypercall_on_cpu+0x6f/0x180
(XEN)    [<ffff82c48018d926>] acpi_enter_sleep+0xbc/0xc5
(XEN)    [<ffff82c480152317>] do_platform_op+0x1547/0x1a28
(XEN)    [<ffff82c4801f51bf>] syscall_enter+0xef/0x149

Reproduce Steps:

1) echo 0 > /sys/class/rtc/rtc0/wakealarm
2) echo +20 > /sys/class/rtc/rtc0/wakealarm
3) echo mem > /sys/power/state


xen-changeset:   20858:2636e5619708

pvops git: 
commit e65323d164480bb6f16e2f51e5707831c575cf05

ioemu git: 
commit a0066d08514ecfec34c717c7184250e95519f39c

tboot changeset: 
changeset:   185:67ce6868a678


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