[Xen-changelog] [xen stable-4.8] x86/shutdown: use ACPI reboot method for Dell PowerEdge R740

[patchbot@xxxxxxx]

commit d4f07fb1a8cc44ae1f38f901b6d7873351f0f3e6
Author:     Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
AuthorDate: Mon Oct 8 14:50:16 2018 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Oct 8 14:50:16 2018 +0200

    x86/shutdown: use ACPI reboot method for Dell PowerEdge R740
    
    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>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: f97f774b5aa6b471d1fed1c451c89ec7457dadf2
    master date: 2018-01-24 18:01:00 +0100
---
 xen/arch/x86/shutdown.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/xen/arch/x86/shutdown.c b/xen/arch/x86/shutdown.c
index cb2442a775..edafae7709 100644
--- a/xen/arch/x86/shutdown.c
+++ b/xen/arch/x86/shutdown.c
@@ -462,6 +462,15 @@ static struct dmi_system_id __initdata reboot_dmi_table[] 
= {
             DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6520"),
         },
     },
+    {    /* Handle problems with rebooting on Dell PowerEdge R740. */
+        .callback = override_reboot,
+        .driver_data = (void *)(long)BOOT_ACPI,
+        .ident = "Dell PowerEdge R740",
+        .matches = {
+            DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+            DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R740"),
+        },
+    },
     { }
 };
 
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.8

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