Re: [Xen-devel] [PATCH] x86/shutdown: Use ACPI reboot method for Dell PowerEdge R740

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 19.01.18 at 17:57, <ross.lagerwall@xxxxxxxxxx> wrote:
> When EFI booting the Dell PowerEdge R740, it consistently wanders into the
> weeds and gets an invalid opcode in the EFI ResetSystem call.
> Quirk this hardware to use the ACPI reboot method instead.
> 
> Example stack trace:
> 
> ----[ Xen-4.11-unstable  x86_64  debug=n   Not tainted ]----
> CPU:    0
> RIP:    e008:[<0000000000000017>] 0000000000000017
> RFLAGS: 0000000000010202   CONTEXT: hypervisor
> rax: 0000000066eb2ff0   rbx: ffff83005f627c20   rcx: 000000006c54e100
> rdx: 0000000000000000   rsi: 0000000000000065   rdi: 000000107355f000
> rbp: ffff83005f627c70   rsp: ffff83005f627b48   r8:  ffff83005f627b90
> r9:  0000000000000000   r10: ffff83005f627c88   r11: 0000000000000000
> r12: 0000000000000000   r13: 0000000000000cf9   r14: 0000000000000065
> r15: ffff830000000000   cr0: 0000000080050033   cr4: 00000000003526e0
> cr3: 000000107355f000   cr2: ffffc90000cff000
> fsb: 0000000000000000   gsb: ffff88019f600000   gss: 0000000000000000
> ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e010   cs: e008
> Xen code around <0000000000000017> (0000000000000017):
>  f0 d8 dd 00 f0 54 ff 00 <f0> 50 dd 00 f0 d8 dd 00 f0 a5 fe 00 f0 87 e9 00
> Xen stack trace from rsp=ffff83005f627b48:
>    ffff83005f627b50 ffffffffffffffda 000000006c547aaa ffff82d000000001
>    ffff83005f627bec 000000107355f000 000000006c546fb8 ffff83107ffe3240
>    0000000000000000 0000000000000000 8000000000000002 0000000000000000
>    000000006c546b95 000000006c54c700 ffff83005f627bdc ffff83005f627be8
>    000000005f616000 ffff83005f627c20 0000000000000000 0000000000000cf9
>    ffff820080350001 000000000000000b ffff82d080351eda 0000000000000000
>    0000000000000000 0000000000000000 0000000000000000 000000005f616000
>    0000000000000000 ffff82d08095ff60 ffff82d08095ff60 000000f100000000
>    ffff82d080296097 000000000000e008 0000000000000000 ffff83005f627c88
>    0000000000000000 00000000fffffffe ffff82d0802959d2 ffff82d0802959d2
>    000000008095f300 000000005f627c9c 00000000000000f8 0000000000000000
>    00000000000000f8 ffff82d080932c00 0000000000000000 ffff82d08095f7c8
>    ffff82d080932c00 0000000000000000 0000000000000000 ffff82d080295a9b
>    ffff83005f627d98 ffff82d0802361f3 ffff82d080932c00 0000000080000000
>    ffff83005f627d98 ffff82d080279a19 ffff82d08095f02c ffff82d080000000
>    0000000000000000 00000000000000fb 0000000000000000 00000071484e54f6
>    ffff831073542098 ffff82d08093ac78 ffff831072befd30 0000000000000000
>    0000000000000000 0000000000000000 0000000000000000 0000000000000000
>    0000000000000000 ffff82d08034f185 ffff82d080949460 0000000000000000
>    ffff82d08095f270 0000000000000008 ffff83107357ae20 0000007146ce4bd3
> Xen call trace:
>    [<0000000000000017>] 0000000000000017
>    [<ffff82d080351eda>] efi_reset_system+0x5a/0x90
>    [<ffff82d080296097>] smp_send_stop+0x97/0xa0
>    [<ffff82d0802959d2>] machine_restart+0x212/0x2d0
>    [<ffff82d0802959d2>] machine_restart+0x212/0x2d0
>    [<ffff82d080295a9b>] shutdown.c#__machine_restart+0xb/0x10
>    [<ffff82d0802361f3>] smp_call_function_interrupt+0x53/0x80
>    [<ffff82d080279a19>] do_IRQ+0x259/0x660
>    [<ffff82d08034f185>] common_interrupt+0x85/0x90
>    [<ffff82d0802c6152>] mwait-idle.c#mwait_idle+0x242/0x390
>    [<ffff82d08026b446>] domain.c#idle_loop+0x86/0xc0
> 
> ****************************************
> Panic on CPU 0:
> FATAL TRAP: vector = 6 (invalid opcode)
> ****************************************
> 
> dmidecode info:
> 
> BIOS Information:
>     Vendor: Dell Inc.
>     Version: 1.2.11
>     Release Date: 10/19/2017
>     BIOS Revision: 1.2
> System Information:
>     Manufacturer: Dell Inc.
>     Product Name: PowerEdge R740
> 
> Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>

Taking into account your subsequent argumentation
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

Jan


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