Re: [Xen-devel] Xen Crash at the boot time

[Juergen Gross <jgross@xxxxxxxx>]

On 07/04/17 23:42, domain@xxxxxxxx wrote:
> Topic was in Xen-users@xxxxxxxxxxxxx mailing list
> (https://lists.xen.org/archives/html/xen-users/2017-03/msg00049.html)
> but by advice was moved here.
> 
> 
> We are trying to run Xen on our two servers Supermicro X10QBi, Version
> 3.0, Build Date 05/04/2016 12:38:52, CPUs 4x Intel (R) Xeon (R) CPU E7
> -8890 v4 @ 2.20GHz. The first servers has RAM 6 TB (DDR4
> 
> 1600MHz), the second has 3T (DDR4 1333MHz). Xen crashes at the boot time.
> 
> Part of XEN logs:
> ...
> (XEN) Initial low memory virq threshold set at 0x4000 pages.
> (XEN) Std. Loglevel: All
> (XEN) Guest Loglevel: All
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to Xen)
> (XEN) Freed 312kB init memory
> mapping kernel into physical memory
> about to get started...
> (XEN) d0v0 Unhandled invalid opcode fault/trap [#6, ec=0000]
> (XEN) domain_crash_sync called from entry.S: fault at ffff82d0802363aa
> entry.o#create_bounce_frame+0x137/0x146
> (XEN) Domain 0 (vcpu#0) crashed on cpu#0:
> (XEN) ----[ Xen-4.8.0  x86_64  debug=n   Not tainted ]----
> (XEN) CPU:    0
> (XEN) RIP:    e033:[<ffffffff81f65e33>]
> (XEN) RFLAGS: 0000000000000246   EM: 1   CONTEXT: pv guest (d0v0)
> (XEN) rax: 0000000000000081 rbx: 0000000000000000 rcx: 00003fffc0000000
> (XEN) rdx: 0010000000000001 rsi: 0000000000000080 rdi: 00100403400000e7
> (XEN) rbp: ffffffff81e03dd8 rsp: ffffffff81e03cf8 r8:

Upstream kernel commit 69861e0a52f8733355ce246f0db15e1b240ad667 should
fix this. I'm going to backport the fix to stable kernels.


Juergen

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