[Xen-users] Debian Stretch + xen 4.8 + Fresh install Boot loop with latest kernel.

[Andrew <andrew@xxxxxxxxxxx>]

Hi All,


I have a fresh install of Debian v9 Stretch + a system with a single 
intel CPU ( Gold 6148 CPU ). It was in a boot loop after installing Xen 
4.8 from the default package. I have tried many different kernel 
versions  (newer) after seeing some problems with older kernels, however 
they all have the same issue.
Without xen the system/kernel boots fine.


I have tried removing the cpu pinning and memory limiting, same issue.


Any input/suggestion/direction/advice appreciated.


Many thanks!

Andrew.


(XEN) Xen version 4.8.5 (Debian 4.8.5+shim4.10.2+xsa282-1+deb9u11) 
(ijackson@xxxxxxxxxxxxxxxxxxxxxx) (gcc (Debian 6.3.0-18+deb9u1) 6.3.0 
20170516) debug=n  Fri Jan 11 18:02:57 UTC 2019
(XEN) Bootloader: GRUB 2.02~beta3-5+deb9u1
(XEN) Command line: placeholder dom0_mem=8192M dom0_max_vcpus=6 
dom0_vcpus_pin com1=115200,8n1,0x3f8,4 console=com1,vga loglvl=all 
guest_loglvl=all no-real-mode edd=off
(XEN) Video information:
(XEN)  VGA is text mode 80x25, font 8x16
(XEN) Disc information:
(XEN)  Found 0 MBR signatures
(XEN)  Found 0 EDD information structures
(XEN) Multiboot-e820 RAM map:
(XEN)  0000000000000000 - 00000000000a0000 (usable)
(XEN)  00000000000a0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000672fe000 (usable)
(XEN)  00000000672fe000 - 0000000067525000 (reserved)
(XEN)  0000000067525000 - 0000000067b88000 (usable)
(XEN)  0000000067b88000 - 0000000067baf000 (ACPI data)
(XEN)  0000000067baf000 - 0000000067bd6000 (usable)
(XEN)  0000000067bd6000 - 0000000067c0a000 (ACPI data)
(XEN)  0000000067c0a000 - 0000000067c72000 (usable)
(XEN)  0000000067c72000 - 0000000067c8c000 (ACPI data)
(XEN)  0000000067c8c000 - 0000000067ca6000 (usable)
(XEN)  0000000067ca6000 - 0000000067cd1000 (ACPI data)
(XEN)  0000000067cd1000 - 000000006854e000 (usable)
(XEN)  000000006854e000 - 00000000685fa000 type 20
(XEN)  00000000685fa000 - 0000000068a64000 (usable)
(XEN)  0000000068a64000 - 0000000069a64000 (reserved)
(XEN)  0000000069a64000 - 000000006b2e1000 (usable)
(XEN)  000000006b2e1000 - 000000006b3e1000 (reserved)
(XEN)  000000006b3e1000 - 000000006b4e1000 type 20
(XEN)  000000006b4e1000 - 000000006b5e1000 (reserved)
(XEN)  000000006b5e1000 - 000000006c011000 (ACPI NVS)
(XEN)  000000006c011000 - 000000006c111000 (ACPI data)
(XEN)  000000006c111000 - 000000006fb00000 (usable)
(XEN)  000000006fb00000 - 0000000090000000 (reserved)
(XEN)  00000000fe000000 - 00000000fe011000 (reserved)
(XEN)  0000000100000000 - 0000006040000000 (usable)
(XEN) ACPI Error (tbxfroot-0218): A valid RSDP was not found [20070126]
(XEN) System RAM: 391896MB (401302516kB)
(XEN) No NUMA configuration found
(XEN) Faking a node at 0000000000000000-0000006040000000
(XEN) Domain heap initialised
(XEN) CPU Vendor: Intel, Family 6 (0x6), Model 85 (0x55), Stepping 4 
(raw 00050654)
(XEN) DMI not present.
(XEN) Using APIC driver default
(XEN) SMP: Allowing 1 CPUs (1 hotplug CPUs)
(XEN) Xen BUG at x86_64/mm.c:691
(XEN) ----[ Xen-4.8.5  x86_64  debug=n   Not tainted ]----
(XEN) CPU:    0
(XEN) RIP:    e008:[<ffff82d08029ace8>] zap_low_mappings+0x68/0x70
(XEN) RFLAGS: 0000000000010097   CONTEXT: hypervisor
(XEN) rax: 0000000000000000   rbx: 0000000005fad8fd   rcx: 0000000000000000
(XEN) rdx: 0000000000000000   rsi: 0000000000000000   rdi: ffff82d0802ceb00
(XEN) rbp: 000000004fffffff   rsp: ffff82d0802efd98   r8: ffff82d0802bb060
(XEN) r9:  0000000000004000   r10: 0000000000000004   r11: 000000000000000a
(XEN) r12: ffff82d080278000   r13: 0000000100000000   r14: 000000603c2df000
(XEN) r15: ffff82d0802c2c10   cr0: 0000000080050033   cr4: 00000000000000a0
(XEN) cr3: 000000006f8df000   cr2: 0000000000000000
(XEN) fsb: 0000000000000000   gsb: 0000000000000000   gss: 0000000000000000
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0000   cs: e008
(XEN) Xen code around <ffff82d08029ace8> (zap_low_mappings+0x68/0x70):
(XEN)  ff 0f 1f 80 00 00 00 00 <0f> 0b 66 0f 1f 44 00 00 41 57 41 56 49 
be 00 00
(XEN) Xen stack trace from rsp=ffff82d0802efd98:
(XEN)    000000004fffffff ffff82d0802a075a ffff83000008bfb0 ffff83000008bef0
(XEN)    00007d0000000000 ffff83000008bc00 0000000001f08000 ffff82d0802c29e0
(XEN)    0000000000000000 0000001d00000000 0000000000000000 0000000006040000
(XEN)    ffff82d0802c29d0 ffff82d08030b700 0000000000000000 000000000008bef0
(XEN)    0000000000000001 0000000000000001 0000000000000001 0000000000000001
(XEN)    0000000000000001 0000000000000001 0000000000000001 0000000000000001
(XEN)    fffffffffffff000 ffffffd080324000 0000000000324000 00000000000001ff
(XEN)    ffffffd0802786f4 000000000603c2df 0000000000000000 0000000000000000
(XEN)    0000000800000000 000000010000006e 0000000000000003 00000000000002f8
(XEN)    0000000000000000 0000000000000000 0000000000000000 00000000000000f0
(XEN)    0000000000000000 0000000000000000 000000005a921120 ffff82d080100073
(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 00000000fffff000 0000000000000000
(XEN)    00000000000000a0 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000
(XEN) Xen call trace:
(XEN)    [<ffff82d08029ace8>] zap_low_mappings+0x68/0x70
(XEN)    [<ffff82d0802a075a>] __start_xen+0x25ba/0x3840
(XEN)    [<ffff82d080100073>] __high_start+0x53/0x60
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) Xen BUG at x86_64/mm.c:691
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...


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