[Xen-devel] Testing status of HVM (Intel VT) on 64bit XEN unstable c/s 11070

[Ed Smith <esmith@xxxxxxxxxxxxxxx>]

Summary:
Changeset 11070
- NEW: 32bit SMP HVM guest hard hangs XEN on boot  (failure.3)
- NEW: 64bit and 32bit UP HVM guest crashes XEN on boot (failure.4)
- NEW: 64bit SMP HVM guests crash on boot (failure.5)

Test Configuration:
Dell Precision WorkStation 380, Dual Core, 2GB, 3 SATA (Intel VT)
64bit XEN Hypervisor on a RHEL4U2 64bit root (/dev/sda)
32bit fully virtualized (HVM) guest RHEL4U2 256MB (/dev/sdb)
      pae=1(smp) pae=0(up), acpi=1, apic=1
      kernargs noapic
64bit fully virtualized (HVM) guest RHEL4U2 256MB (/dev/sdc)
      pae=1, acpi=1, apic=1
      kernargs noapic

Boot Tests:
Boot a fully virtualized (HVM) guest to the login prompt
Results are marked Pass|Fail where (n) points to a failure description

Regression Tests:
852 tests (851 ltp tests and one 30 minute user load test)
Tests are marked #Pass/#Fail where (n) points to a failure description

XEN 64bit 2 CPU Hypervisor (booted smp):
 ----------------------------------------------------------------------
| XEN      | Guest Kernel (SMP kernels booted with 2 CPUs)             |
| Changeset|-----------------------------------------------------------|
|          | 32bit UP     | 32bit SMP    | 64bit UP     | 64bit SMP    |
|          |--------------|--------------|--------------|--------------|
|          | Boot | Test  | Boot | Test  | Boot | Test  | Boot | Test  |
|----------|------|-------|------|-------|------|-------|------|-------|
| 10070    | Fail |       | Fail |       | Fail |       | Fail |       |
|          | (4)  |       | (3)  |       | (4)  |       | (5)  |       |
|----------|------|-------|------|-------|------|-------|------|-------|
| 10059    | Pass |       | Pass | 844/8 | Pass |       | Pass | 852/0 |
|          |      |       |      | (1,2) |      |       |      |       |
|----------|------|-------|------|-------|------|-------|------|-------|
| 11049    | Pass |       | Pass | 845/7 | Pass |       | Pass | 852/0 |
|          |      |       |      | (1,2) |      |       |      |       |
|----------|------|-------|------|-------|------|-------|------|-------|
| 10960    | Pass |       | Pass | 846/6 | Pass |       | Pass | 852/0 |
|          |      |       |      | (1,2) |      |       |      |       |
|----------|------|-------|------|-------|------|-------|------|-------|
| 10949    | Pass |       | Pass | 846/6 | Pass |       | Pass | 851/1 |
|          |      |       |      | (1,2) |      |       |      | (1)   |
 ----------------------------------------------------------------------

Multiple Guest Boot Test
Test is a 30 minute user load on both Guests
XEN 64bit 2 CPU Hypervisor (booted smp):
 --------------------------------------------
| XEN      | Guest Kernel                    |
| Changeset|---------------------------------|
|          | 32bit 1CPU UP  | 32bit 2CPU SMP |
|          | 64bit 1CPU UP  | 64bit 2CPU SMP |
|          |----------------|----------------|
|          | Boot | Test    | Boot | Test    |
|----------|------|---------|------|---------|
| 11070    | Fail |         | Fail |         |
|          | (4)  |         | (3,5)|         |
|----------|------|---------|------|---------|
| 10059    | Pass | Fail    | Pass | Fail    |
|          |      | (2)     |      | (2)     |
|----------|------|---------|------|---------|
| 11049    | Pass | Fail    | Pass | Fail    |
|          |      | (2)     |      | (2)     |
|----------|------|---------|------|---------|
| 10960    | Pass | Fail    | Pass | Fail    |
|          |      | (2)     |      | (2)     |
|----------|------|---------|------|---------|
| 10949    | Pass | Fail    | Pass | Fail    |
|          |      | (2)     |      | (2)     |
 --------------------------------------------

Failures:
 1. BUG 666: 32bit guests fail ltp gettimeofday02:
    "Time is going backwards"
 2. Multiple HVM guests (32/64 SMP) crash under load:
    32bit SMP guests fail various tests with:
    "Couldn't alloc shadow page!"
    "domain_crash_sync called from shadow.c:445"
 3. 32bit SMP HVM guests cause XEN to hard hang.
 4. 32bit and 64bit UP HVM guests when booted crash XEN:
    "CPU1802024 FATAL TRAP 14 (page fault), ERROR_CODE
     0000, IN INTERRUPT CONTEXT"
 5. 64bit SMP HVM guests crash on boot:
    "Unable to handle kernel paging request at
     ffffffff006c8a41 RIP: <ffffffff801112d8>
     {in_exception_stack+27} PML4 103027 PGD 0
     Oops: 0000 [432] SMP
     CPU -1"


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