[Fedora-xen] 2.6.37-rc1 dom0 kernel

Jerry Amundson jamundso at gmail.com
Sun Nov 14 20:15:52 UTC 2010 

On Sat, Nov 13, 2010 at 6:41 AM, M A Young <m.a.young at durham.ac.uk> wrote:
> There is another kernel to play with (2.6.37-0.1.rc1.git8.xendom0.fc15)
> at http://koji.fedoraproject.org/koji/taskinfo?taskID=2598434 .
> This has patches from xen/next-2.6.37 , which includes the gntdev module,
> so it should in theory be possible to use a userspace blkback.

I still get a dom0 crash, whereas 2.6.32.25-172.xendom0.fc12.i686.PAE
works fine on the same hardware with the same command line.

jerry
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  \  // _ \ '_ \  | || |_| | | || |__| '_ \ | |_ / __| | || |_
  /  \  __/ | | | |__   _| |_| || |__| (_) ||  _| (__| |__   _|
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(XEN) Xen version 4.0.1 (mockbuild@(none)) (gcc version 4.5.1 20100924
(Red Hat 4.5.1-4) (GCC) ) Tue Oct 12 22:05:55 UTC 2010
(XEN) Latest ChangeSet: unavailable
(XEN) Console output is synchronous.
(XEN) Bootloader: GNU GRUB 0.97
(XEN) Command line: console=com1 com1=38400,8n1 console=com1
sync_console loglvl=all guest_loglvl=all
(XEN) Video information:
(XEN)  VGA is text mode 80x25, font 8x16
(XEN)  VBE/DDC methods: V2; EDID transfer time: 2 seconds
(XEN) Disc information:
(XEN)  Found 4 MBR signatures
(XEN)  Found 4 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 00000000000a0000 (usable)
(XEN)  0000000000100000 - 000000007ffc0000 (usable)
(XEN)  000000007ffc0000 - 000000007ffcfc00 (ACPI data)
(XEN)  000000007ffcfc00 - 000000007ffff000 (reserved)
(XEN)  00000000fec00000 - 00000000fec90000 (reserved)
(XEN)  00000000fed20000 - 00000000fed8ffff (reserved)
(XEN)  00000000fee00000 - 00000000fee10000 (reserved)
(XEN)  00000000ffb00000 - 0000000100000000 (reserved)
(XEN) System RAM: 2047MB (2096512kB)
(XEN) ACPI: RSDP 000FDC40, 0014 (r0 DELL  )
(XEN) ACPI: RSDT 000FDC54, 0030 (r1 DELL   PE700           1 MSFT  100000A)
(XEN) ACPI: FACP 000FDC84, 0074 (r1 DELL   PE700           1 MSFT  100000A)
(XEN) ACPI: DSDT 7FFC0000, 1821 (r1 DELL    PE7xx          1 MSFT  100000E)
(XEN) ACPI: FACS 7FFCFC00, 0040
(XEN) ACPI: APIC 000FDCF8, 0074 (r1 DELL   PE700           1 MSFT  100000A)
(XEN) ACPI: SPCR 000FDD6C, 0050 (r1 DELL   PE700           1 MSFT  100000A)
(XEN) No NUMA configuration found
(XEN) Faking a node at 0000000000000000-000000007ffc0000
(XEN) Xen heap: 8MB (8856kB)
(XEN) Domain heap initialised
(XEN) found SMP MP-table at 000fe710
(XEN) DMI 2.3 present.
(XEN) Using APIC driver default
(XEN) ACPI: PM-Timer IO Port: 0x808
(XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[804,0], pm1x_evt[800,0]
(XEN) ACPI:                  wakeup_vec[7ffcfc0c], vec_size[20]
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
(XEN) Processor #0 15:3 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] disabled)
(XEN) ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
(XEN) ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-23
(XEN) ACPI: IOAPIC (id[0x02] address[0xfec10000] gsi_base[24])
(XEN) IOAPIC[1]: apic_id 2, version 32, address 0xfec10000, GSI 24-47
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ2 used by override.
(XEN) ACPI: IRQ9 used by override.
(XEN) Enabling APIC mode:  Flat.  Using 2 I/O APICs
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2793.137 MHz processor.
(XEN) CPU: Hyper-Threading is disabled
(XEN) CPU0: Intel Extended MCE MSRs (12) available
(XEN) Intel machine check reporting enabled
(XEN) I/O virtualisation disabled
(XEN) Total of 1 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
(XEN) Platform timer is 3.579MHz ACPI PM Timer
(XEN) Allocated console ring of 16 KiB.
(XEN) Brought up 1 CPUs
(XEN) CPUIDLE: disabled due to no HPET. Force enable with 'cpuidle'.
(XEN) ACPI sleep modes: S3
(XEN) mcheck_poll: Machine check polling timer started.
(XEN) *** LOADING DOMAIN 0 ***
(XEN)  Xen  kernel: 32-bit, PAE, lsb
(XEN)  Dom0 kernel: 32-bit, PAE, lsb, paddr 0x400000 -> 0x15ac000
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   0000000038000000->000000003c000000 (468836 pages
to be allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0400000->c15ac000
(XEN)  Init. ramdisk: c15ac000->c327da00
(XEN)  Phys-Mach map: c327e000->c3457d90
(XEN)  Start info:    c3458000->c345847c
(XEN)  Page tables:   c3459000->c347a000
(XEN)  Boot stack:    c347a000->c347b000
(XEN)  TOTAL:         c0000000->c3800000
(XEN)  ENTRY ADDRESS: c0b05000
(XEN) Dom0 has maximum 1 VCPUs
(XEN) Scrubbing Free RAM: .done.
(XEN) trace.c:89:d32767 calc_tinfo_first_offset: NR_CPUs 128,
offset_in_bytes 258, t_info_first_offset 65
(XEN) Xen trace buffers: disabled
(XEN) Std. Loglevel: All
(XEN) Guest Loglevel: All
(XEN) **********************************************
(XEN) ******* WARNING: CONSOLE OUTPUT IS SYNCHRONOUS
(XEN) ******* This option is intended to aid debugging of Xen by ensuring
(XEN) ******* that all output is synchronously delivered on the serial line.
(XEN) ******* However it can introduce SIGNIFICANT latencies and affect
(XEN) ******* timekeeping. It is NOT recommended for production use!
(XEN) **********************************************
(XEN) 3... 2... 1...
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
input to Xen)
(XEN) Freed 152kB init memory.
mapping kernel into physical memory
Xen: setup ISA identity maps
about to get started...
(XEN) d0:v0: unhandled page fault (ec=0003)
(XEN) Pagetable walk from c0ce001c:
(XEN)  L3[0x003] = 000000003943f001 0000143f
(XEN)  L2[0x006] = 000000003b464067 00003464
(XEN)  L1[0x0e0] = 0000000038ce0061 00000ce0
(XEN) domain_crash_sync called from entry.S (ff1cda0e)
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-4.0.1  x86_32p  debug=n  Tainted:    C ]----
(XEN) CPU:    0
(XEN) EIP:    e019:[<c0b0a9ed>]
(XEN) EFLAGS: 00000246   EM: 1   CONTEXT: pv guest
(XEN) eax: 00cdd001   ebx: 00000000   ecx: 00000000   edx: 00000000
(XEN) esi: c0ae7000   edi: c0b00cc0   ebp: c0a2ff84   esp: c0a2fee0
(XEN) cr0: 8005003b   cr4: 000006f0   cr3: 38ce0000   cr2: c0ce001c
(XEN) ds: e021   es: e021   fs: 00d8   gs: 00e0   ss: e021   cs: e019
(XEN) Guest stack trace from esp=c0a2fee0:
(XEN)    00000003 c0b0a9ed 0001e019 00010046 00000000 c0446eee c0a2ff74 c0447e87
(XEN)    c0a2ff32 c0971737 00000000 00000000 00000000 0000000f 00000000 00000035
(XEN)    c0a2ff41 00000000 00000000 c0a2ff40 205bff40 30202020 3030302e c0a2ffa0
(XEN)    c0a20020 c0470186 00000000 c1349428 c1349400 c0984979 0327e000 c0a2ff74
(XEN)    c0601371 03bb2a03 00000000 00000000 0327e000 03bb2a03 00000000 00000000
(XEN)    0327e000 c0a2ffa8 c0b05592 c0961622 c0832010 c040385c 03bb2a03 a9827a8d
(XEN)    015ac000 015ac000 c0a2ffc8 c0b050ec 0327e000 00000000 c096383a 00409000
(XEN)    015ac000 c0aa6b7c c0a2fffc c0b088be c0a2ffe4 c0a2ffe0 92400018 c04090cd
(XEN)    1fc98375 80000401 00010800 00000f34 00000000 c3458000 00000000 00000000
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.

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