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Re: [Xen-devel] I cannot get any message from domU by console / pv_ops domU kernel crashes with xen_create_contiguous_region failed



On Tue, Dec 22, 2009 at 01:02:06PM +0900, ?????? wrote:
>    thank you for response.
> 
>    I tried your advise, and my pvops kernel was panic.
> 
>    It is the log
> 
>    #> xm create ubuntu1.config -c
>    Using config file "./ubuntu1.config".
>    Started domain ubuntu1 (id=5)
>                                 (early) [    0.000000] Reserving virtual
>    address space above 0xf5800000
>    (early) [    0.000000] Initializing cgroup subsys cpuset
>    (early) [    0.000000] Initializing cgroup subsys cpu
>    (early) [    0.000000] Linux version 2.6.31.6 ([1]root@parallels) (gcc
>    version 4.4.1 (Ubuntu 4.4.1-4ubuntu8) ) #2 SMP Mon Dec 21 16:44:19 KST
>    2009
>    (early) [    0.000000] KERNEL supported cpus:
>    (early) [    0.000000]   Intel GenuineIntel
>    (early) [    0.000000]   AMD AuthenticAMD
>    (early) [    0.000000]   NSC Geode by NSC
>    (early) [    0.000000]   Cyrix CyrixInstead
>    (early) [    0.000000]   Centaur CentaurHauls
>    (early) [    0.000000]   Transmeta GenuineTMx86
>    (early) [    0.000000]   Transmeta TransmetaCPU
>    (early) [    0.000000]   UMC UMC UMC UMC
>    (early) [    0.000000] ACPI in unprivileged domain disabled
>    (early) [    0.000000] released 0 pages of unused memory
>    (early) [    0.000000] BIOS-provided physical RAM map:
>    (early) [    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)
>    (early) [    0.000000]  Xen: 00000000000a0000 - 0000000000100000
>    (reserved)
>    (early) [    0.000000]  Xen: 0000000000100000 - 0000000020000000 (usable)
>    (early) [    0.000000] console [xenboot0] enabled
>    (early) [    0.000000] DMI not present or invalid.
>    (early) [    0.000000] last_pfn = 0x20000 max_arch_pfn = 0x1000000
>    (early) [    0.000000] Scanning 1 areas for low memory corruption
>    (early) [    0.000000] modified physical RAM map:
>    (early) [    0.000000]  modified: 0000000000000000 - 0000000000002000
>    (early) (usable)(early)
>    (early) [    0.000000]  modified: 0000000000002000 - 0000000000006000
>    (early) (reserved)(early)
>    (early) [    0.000000]  modified: 0000000000006000 - 00000000000a0000
>    (early) (usable)(early)
>    (early) [    0.000000]  modified: 00000000000a0000 - 0000000000100000
>    (early) (reserved)(early)
>    (early) [    0.000000]  modified: 0000000000100000 - 0000000020000000
>    (early) (usable)(early)
>    (early) [    0.000000] init_memory_mapping:
>    0000000000000000-0000000020000000
>    (early) [    0.000000] NX (Execute Disable) protection: active
>    (early) [    0.000000] RAMDISK: 00a0b000 - 0872a000
>    (early) [    0.000000] 0MB HIGHMEM available.
>    (early) [    0.000000] 512MB LOWMEM available.
>    (early) [    0.000000]   mapped low ram: 0 - 20000000
>    (early) [    0.000000]   low ram: 0 - 20000000
>    (early) [    0.000000]   node 0 low ram: 00000000 - 20000000
>    (early) [    0.000000]   node 0 bootmap 00007000 - 0000b000
>    (early) [    0.000000] (9 early reservations) ==> bootmem [0000000000 -
>    0020000000]
>    (early) [    0.000000]   #0 [0000000000 - 0000001000]   BIOS data
>    page(early)  ==> [0000000000 - 0000001000]
>    (early) [    0.000000]   #1 [00087ad000 - 00087f5000]   XEN
>    PAGETABLES(early)  ==> [00087ad000 - 00087f5000]
>    (early) [    0.000000]   #2 [0000001000 - 0000002000]    EX
>    TRAMPOLINE(early)  ==> [0000001000 - 0000002000]
>    (early) [    0.000000]   #3 [0000006000 - 0000007000]
>    TRAMPOLINE(early)  ==> [0000006000 - 0000007000]
>    (early) [    0.000000]   #4 [0000100000 - 00008e5c60]    TEXT DATA
>    BSS(early)  ==> [0000100000 - 00008e5c60]
>    (early) [    0.000000]   #5 [0000a0b000 - 000872a000]
>    RAMDISK(early)  ==> [0000a0b000 - 000872a000]
>    (early) [    0.000000]   #6 [000872a000 - 00087ad000]   XEN START
>    INFO(early)  ==> [000872a000 - 00087ad000]
>    (early) [    0.000000]   #7 [00008e6000 - 000099d000]
>    PGTABLE(early)  ==> [00008e6000 - 000099d000]
>    (early) [    0.000000]   #8 [0000007000 - 000000b000]
>    BOOTMAP(early)  ==> [0000007000 - 000000b000]
>    (early) [    0.000000] Zone PFN ranges:
>    (early) [    0.000000]   DMA      0x00000000 -> 0x00001000
>    (early) [    0.000000]   Normal   0x00001000 -> 0x00020000
>    (early) [    0.000000]   HighMem  0x00020000 -> 0x00020000
>    (early) [    0.000000] Movable zone start PFN for each node
>    (early) [    0.000000] early_node_map[3] active PFN ranges
>    (early) [    0.000000]     0: 0x00000000 -> 0x00000002
>    (early) [    0.000000]     0: 0x00000006 -> 0x000000a0
>    (early) [    0.000000]     0: 0x00000100 -> 0x00020000
>    (early) [    0.000000] Using APIC driver default
>    (early) [    0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs
>    (early) [    0.000000] Local APIC disabled by BIOS -- you can enable it
>    with "lapic"
>    (early) [    0.000000] APIC: disable apic facility
>    (early) [    0.000000] PM: Registered nosave memory: 0000000000002000 -
>    0000000000006000
>    (early) [    0.000000] PM: Registered nosave memory: 00000000000a0000 -
>    0000000000100000
>    (early) [    0.000000] Allocating PCI resources starting at 20000000 (gap:
>    20000000:e0000000)
>    (early) [    0.000000] NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:1
>    nr_node_ids:1
>    (early) [    0.000000] PERCPU: Allocated 10 4k pages, static data 39132
>    bytes
>    (early) [    0.000000] Xen: using vcpu_info placement
>    (early) [    0.000000] Built 1 zonelists in Zone order, mobility grouping
>    on.  Total pages: 129948
>    (early) [    0.000000] Kernel command line: root=/dev/sda1 ro
>    ip=192.168.0.101:127.0.255.255:192.168.0.1:255.255.255.0:ubuntu1:eth0:off
>    console=hvc0 earlyprintk=xen
>    (early) [    0.000000] PID hash table entries: 2048 (order: 11, 8192
>    bytes)
>    (early) [    0.000000] Dentry cache hash table entries: 65536 (order: 6,
>    262144 bytes)
>    (early) [    0.000000] Inode-cache hash table entries: 32768 (order: 5,
>    131072 bytes)
>    (early) [    0.000000] Enabling fast FPU save and restore... (early) done.
>    (early) [    0.000000] Enabling unmasked SIMD FPU exception support...
>    (early) done.
>    (early) [    0.000000] Initializing CPU#0
>    (early) [    0.000000] allocated 2621440 bytes of page_cgroup
>    (early) [    0.000000] please try 'cgroup_disable=memory' option if you
>    don't want memory cgroups
>    (early) [    0.000000] PCI-DMA: Using Xen software bounce buffering for IO
>    (Xen-SWIOTLB)
>    (early) [    0.000000] Kernel panic - not syncing:
>    <3>xen_create_contiguous_region failed
> 

Did you try cgroup_disable=memory kernel option? 

-- Pasi


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