>> (XEN) ACPI Error (tbxfroot-0218): A valid RSDP was not found >> [20070126] > >Uuh, that is rather bad, I guess. > >Just to be sure: can you please add "loglvl=all" to the xen boot parameters? >This would need to be added in your grub config file just where "no-real- >mode edd=off" is specified today (parameters for xen.gz). >Then repost the "xl dmesg" output, please. > >Setting up a serial console would help, too, as you could then capture the >output with enabled x2APIC, which might help to find the reason why Linux >boot is hanging with this option. > >Additionally you should check whether you can update the BIOS of the test >machine to a more recent version. It seems to be broken. > The dmesg with "loglvl=all" enable is attached. I have updated BIOS to the latest one when I first encountered this issue. But it does not help. The issue is still there.
Setting up a serial console is helpful for diagnosing x2APIC hang issue. But the test machine is a remote machine, I cannot access its physical COM port. > >Juergen
(XEN) Xen version 4.8.0 (Ubuntu 4.8.0-1ubuntu2.2) (stefan.ba...@canonical.com) (gcc (Ubuntu 6.3.0-12ubuntu2) 6.3.0 20170406) debug=n Tue Jul 18 11:50:29 UTC 2017 (XEN) Bootloader: GRUB 2.02~beta3-4ubuntu2.2 (XEN) Command line: placeholder no-real-mode edd=off loglvl=all (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) 0000000000100000 - 000000007a089000 (usable) (XEN) 000000007a089000 - 000000007a189000 (reserved) (XEN) 000000007a189000 - 000000007a289000 type 20 (XEN) 000000007a289000 - 000000007af0b000 (reserved) (XEN) 000000007af0b000 - 000000007b93b000 (ACPI NVS) (XEN) 000000007b93b000 - 000000007bab5000 (ACPI data) (XEN) 000000007bab5000 - 000000007bae9000 (usable) (XEN) 000000007bae9000 - 000000007baff000 (ACPI data) (XEN) 000000007baff000 - 000000007bb00000 (usable) (XEN) 0000000080000000 - 0000000090000000 (reserved) (XEN) 00000000feda8000 - 00000000fedac000 (reserved) (XEN) 00000000ff310000 - 0000000100000000 (reserved) (XEN) 0000000100000000 - 0000001880000000 (usable) (XEN) ACPI Error (tbxfroot-0218): A valid RSDP was not found [20070126] (XEN) System RAM: 98208MB (100565368kB) (XEN) No NUMA configuration found (XEN) Faking a node at 0000000000000000-0000001880000000 (XEN) Domain heap initialised (XEN) CPU Vendor: Intel, Family 6 (0x6), Model 79 (0x4f), Stepping 1 (raw 000406f1) (XEN) DMI 2.8 present. (XEN) Using APIC driver default (XEN) SMP: Allowing 1 CPUs (1 hotplug CPUs) (XEN) Found and enabled local APIC! (XEN) IRQ limits: 16 GSI, 192 MSI/MSI-X (XEN) Not enabling x2APIC: depends on iommu_supports_eim. (XEN) xstate: size: 0x340 and states: 0x7 (XEN) Intel machine check reporting enabled (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Platform timer is 1.193MHz PIT (XEN) Detected 2000.061 MHz processor. (XEN) Initing memory sharing. (XEN) alt table ffff82d0802baf38 -> ffff82d0802bc594 (XEN) I/O virtualisation disabled (XEN) nr_sockets: 37 (XEN) SMP motherboard not detected. (XEN) Enabled directed EOI with ioapic_ack_old on! (XEN) TSC deadline timer enabled (XEN) Allocated console ring of 16 KiB. (XEN) mwait-idle: MWAIT substates: 0x2120 (XEN) mwait-idle: v0.4.1 model 0x4f (XEN) mwait-idle: lapic_timer_reliable_states 0xffffffff (XEN) VMX: Supported advanced features: (XEN) - APIC MMIO access virtualisation (XEN) - APIC TPR shadow (XEN) - Extended Page Tables (EPT) (XEN) - Virtual-Processor Identifiers (VPID) (XEN) - Virtual NMI (XEN) - MSR direct-access bitmap (XEN) - Unrestricted Guest (XEN) - APIC Register Virtualization (XEN) - Virtual Interrupt Delivery (XEN) - Posted Interrupt Processing (XEN) - VMCS shadowing (XEN) - VM Functions (XEN) - Virtualisation Exceptions (XEN) - Page Modification Logging (XEN) HVM: ASIDs enabled. (XEN) HVM: VMX enabled (XEN) HVM: Hardware Assisted Paging (HAP) detected (XEN) HVM: HAP page sizes: 4kB, 2MB, 1GB (XEN) Brought up 1 CPUs (XEN) build-id: 20a1f8c687393ace7bcea26576429d96a2ddf70b (XEN) ACPI sleep modes: S3 (XEN) VPMU: disabled (XEN) mcheck_poll: Machine check polling timer started. (XEN) Dom0 has maximum 208 PIRQs (XEN) ACPI is disabled, notifying Domain 0 (acpi=off) (XEN) NX (Execute Disable) protection active (XEN) *** LOADING DOMAIN 0 *** (XEN) Xen kernel: 64-bit, lsb, compat32 (XEN) Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x2540000 (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 0000001034000000->0000001038000000 (24809727 pages to be allocated) (XEN) Init. ramdisk: 000000187d3c6000->000000187ffff722 (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: ffffffff81000000->ffffffff82540000 (XEN) Init. ramdisk: 0000000000000000->0000000000000000 (XEN) Phys-Mach map: 0000008000000000->000000800bd7e9c8 (XEN) Start info: ffffffff82540000->ffffffff825404b4 (XEN) Page tables: ffffffff82541000->ffffffff82558000 (XEN) Boot stack: ffffffff82558000->ffffffff82559000 (XEN) TOTAL: ffffffff80000000->ffffffff82800000 (XEN) ENTRY ADDRESS: ffffffff8209d180 (XEN) Dom0 has maximum 1 VCPUs (XEN) Scrubbing Free RAM on 1 nodes using 1 CPUs (XEN) ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................done. (XEN) Initial low memory virq threshold set at 0x4000 pages. (XEN) Std. Loglevel: All (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) (XEN) Xen is relinquishing VGA console. (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen) (XEN) Freed 312kB init memory (XEN) PCI add device 0000:00:00.0 (XEN) PCI add device 0000:00:01.0 (XEN) PCI add device 0000:00:02.0 (XEN) PCI add device 0000:00:03.0 (XEN) PCI add device 0000:00:03.2 (XEN) PCI add device 0000:00:05.0 (XEN) PCI add device 0000:00:05.1 (XEN) PCI add device 0000:00:05.2 (XEN) PCI add device 0000:00:05.4 (XEN) PCI add device 0000:00:11.0 (XEN) PCI add device 0000:00:11.4 (XEN) PCI add device 0000:00:14.0 (XEN) PCI add device 0000:00:16.0 (XEN) PCI add device 0000:00:16.1 (XEN) PCI add device 0000:00:1a.0 (XEN) PCI add device 0000:00:1c.0 (XEN) PCI add device 0000:00:1c.4 (XEN) PCI add device 0000:00:1c.7 (XEN) PCI add device 0000:00:1d.0 (XEN) PCI add device 0000:00:1f.0 (XEN) PCI add device 0000:00:1f.2 (XEN) PCI add device 0000:03:00.0 (XEN) PCI add device 0000:01:00.0 (XEN) PCI add device 0000:01:00.1 (XEN) PCI add device 0000:07:00.0 (XEN) PCI add device 0000:07:00.1 (XEN) PCI add device 0000:08:00.0 (XEN) PCI add device 0000:09:00.0 (XEN) PCI add device 0000:0a:00.0 (XEN) PCI add device 0000:0b:00.0
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