Re: Tentative fix for dom0 boot problem

[Julien Grall <julien@xxxxxxx>]

On 22/06/2022 11:45, Juergen Gross wrote:
> Julien,
Hi Juergen,

> could you please test the attached patches?
I am getting the following error:

(XEN) d0v0 Unhandled: vec 14, #PF[0003]
(XEN) Pagetable walk from ffffffff84001000:
(XEN)  L4[0x1ff] = 000000046c004067 0000000000004004
(XEN)  L3[0x1fe] = 000000046c003067 0000000000004003
(XEN)  L2[0x020] = 000000046c024067 0000000000004024
(XEN)  L1[0x001] = 001000046c001025 0000000000004001
(XEN) domain_crash_sync called from entry.S: fault at ffff82d040325906 
x86_64/entry.S#create_bounce_frame+0x15d/0x177
(XEN) Domain 0 (vcpu#0) crashed on cpu#1:
(XEN) ----[ Xen-4.17-unstable  x86_64  debug=y  Tainted:   C    ]----
(XEN) CPU:    1
(XEN) RIP:    e033:[<ffffffff832a3481>]
(XEN) RFLAGS: 0000000000000206   EM: 1   CONTEXT: pv guest (d0v0)
(XEN) rax: 0000000000000000   rbx: ffffffff84000000   rcx: 000000000002b000
(XEN) rdx: ffffffff84000000   rsi: ffffffff84000000   rdi: ffffffff84001000
(XEN) rbp: 0000000000000000   rsp: ffffffff82a03e60   r8:  0000000000000000
(XEN) r9:  0000000000000000   r10: 0000000000000000   r11: 0000000000000000
(XEN) r12: 0000000000000000   r13: 0000000000000000   r14: 0000000000000000
(XEN) r15: 0000000000000000   cr0: 0000000080050033   cr4: 00000000003426e0
(XEN) cr3: 000000046c001000   cr2: ffffffff84001000
(XEN) fsb: 0000000000000000   gsb: ffffffff83271000   gss: 0000000000000000
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e02b   cs: e033
(XEN) Guest stack trace from rsp=ffffffff82a03e60:
(XEN)    000000000002b000 0000000000000000 0000000000000003 ffffffff832a3481
(XEN)    000000010000e030 0000000000010006 ffffffff82a03ea8 000000000000e02b
(XEN)    0000000000000000 ffffffff832ae884 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 ffffffff832a317f 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) Hardware Dom0 crashed: rebooting machine in 5 seconds.

Cheers,

--
Julien Grall