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[Xen-devel] DomU creation failure for Xen-ARM

To: List Xen Developer <xen-devel@xxxxxxxxxxxxx>

From: Vaibhav Bedia <vaibhav.bedia@xxxxxxxxx>

Date: Sun, 27 Oct 2013 17:15:37 -0400

Delivery-date: Sun, 27 Oct 2013 21:16:09 +0000

List-id: Xen developer discussion <xen-devel.lists.xen.org>

Hi, By putting some stupid workaround in dist-tools creation step as reported earlier i now have a Ubuntu ARM system running on OMAP5 Dom0. Currently DomU creation doesn't work and following is what i get on the console: Any hints on how to proceed or debug this? root@arm:/home/ubuntu# xl create domU Parsing config from domU Daemon running with PID 1800 root@arm:/home/ubuntu# (d1) 6Booting Linux on physical CPU 0x0 (d1) 5Linux version 3.12.0-rc5-00671-geb765a3-dirty (vaibhav@vaibhav-VirtualBox) (gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-1ubuntu1) (d1) ) #11 SMP Sun Oct 27 16:31:24 EDT 2013 (d1) CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=10c5387d (d1) CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache (d1) 6Machine: Generic DT based system, model: XENVM-4.2 (d1) 6cma: CMA: reserved 16 MiB at 81000000 (d1) Memory policy: ECC disabled, Data cache writealloc (d1) 7On node 0 totalpages: 8192 (d1) 7free_area_init_node: node 0, pgdat c089b940, node_mem_map c0e13000 (d1) 7 Normal zone: 64 pages used for memmap (d1) 7 Normal zone: 0 pages reserved (d1) 7 Normal zone: 8192 pages, LIFO batch:0 (d1) 6psci: probing function IDs from device-tree (d1) 6PERCPU: Embedded 9 pages/cpu @c0e56000 s15232 r8192 d13440 u36864 (d1) 7pcpu-alloc: s15232 r8192 d13440 u36864 alloc=9*4096 (d1) 7pcpu-alloc: (d1) Built 1 zonelists in Zone order, mobility grouping off. Total pages: 8128 (d1) 5Kernel command line: console=hvc0 root=/dev/xvda psci=enable (d1) 6PID hash table entries: 128 (order: -3, 512 bytes) (d1) 6Dentry cache hash table entries: 4096 (order: 2, 16384 bytes) (d1) 6Inode-cache hash table entries: 2048 (order: 1, 8192 bytes) (d1) Memory: 1600K/32768K available (5639K kernel code, 610K rwdata, 2144K rodata, 398K init, 5572K bss, 31168K reserved, 0K highmem (d1) ) (d1) 5Virtual kernel memory layout: (d1) vector : 0xffff0000 - 0xffff1000 ( 4 kB) (d1) fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) (d1) vmalloc : 0xc2800000 - 0xff000000 ( 968 MB) (d1) lowmem : 0xc0000000 - 0xc2000000 ( 32 MB) (d1) pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) (d1) modules : 0xbf000000 - 0xbfe00000 ( 14 MB) (d1) .text : 0xc0008000 - 0xc07a2084 (7785 kB) (d1) .init : 0xc07a3000 - 0xc0806b80 ( 399 kB) (d1) .data : 0xc0808000 - 0xc08a0a48 ( 611 kB) (d1) .bss : 0xc08a0a48 - 0xc0e11e40 (5573 kB) (d1) 6Hierarchical RCU implementation. (d1) 6 RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1. (d1) 6NR_IRQS:16 nr_irqs:16 16 (d1) arch_timer_init : 619 1 (d1) arch_timer_register 480 (d1) 6Architected cp15 timer(s) running at 6.14MHz (virt). (d1) arch_counter_register 413 (d1) 6Switching to timer-based delay loop (d1) 6sched_clock: ARM arch timer >56 bits at 6144kHz, resolution 162ns (d1) 6sched_clock: 32 bits at 100 Hz, resolution 10000000ns, wraps every 4294967286ms (d1) 6Console: colour dummy device 80x30 (d1) Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar (d1) ... MAX_LOCKDEP_SUBCLASSES: 8 (d1) ... MAX_LOCK_DEPTH: 48 (d1) ... MAX_LOCKDEP_KEYS: 8191 (d1) ... CLASSHASH_SIZE: 4096 (d1) ... MAX_LOCKDEP_ENTRIES: 16384 (d1) ... MAX_LOCKDEP_CHAINS: 32768 (d1) ... CHAINHASH_SIZE: 16384 (d1) memory used by lock dependency info: 3695 kB (d1) per task-struct memory footprint: 1152 bytes (d1) 6Calibrating delay loop (skipped), value calculated using timer frequency.. 12.28 BogoMIPS (lpj=61440) (d1) 6pid_max: default: 32768 minimum: 301 (d1) 6Security Framework initialized (d1) 6Mount-cache hash table entries: 512 (d1) 6CPU: Testing write buffer coherency: ok (d1) 3/cpus/cpu@0 missing clock-frequency property (d1) 6CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 (d1) 6Setting up static identity map for 0xc0557a88 - 0xc0557ae0 (d1) 6Brought up 1 CPUs (d1) 6SMP: Total of 1 processors activated. (d1) 6CPU: All CPU(s) started in SVC mode. (d1) 6devtmpfs: initialized (d1) 6VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0 (d1) 6Xen 4.2 support found, events_irq=31 gnttab_frame_pfn=b0000 (d1) 6xen:grant_table: Grant tables using version 1 layout (d1) Grant table initialized (d1) 6pinctrl core: initialized pinctrl subsystem (d1) 6regulator-dummy: no parameters (d1) 6NET: Registered protocol family 16 (d1) 6Xen: initializing cpu0 (d1) 4alloc_contig_range test_pages_isolated(81000, 81040) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81080) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 810c0) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81100) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81140) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81180) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 811c0) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81200) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81240) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81280) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 812c0) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81300) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81340) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81380) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 813c0) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81400) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81440) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81480) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 814c0) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81500) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81540) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81580) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 815c0) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81600) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81640) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81680) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 816c0) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81700) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81740) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81780) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 817c0) failed (d1) 4alloc_contig_range test_pages_isolated(81000, 81800) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81840) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81880) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 818c0) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81900) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81940) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81980) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 819c0) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81a00) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81a40) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81a80) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81ac0) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81b00) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81b40) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81b80) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81bc0) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81c00) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81c40) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81c80) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81cc0) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81d00) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81d40) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81d80) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81dc0) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81e00) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81e40) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81e80) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81ec0) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81f00) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81f40) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81f80) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 81fc0) failed (d1) 4alloc_contig_range test_pages_isolated(81800, 82000) failed (d1) 3DMA: failed to allocate 256 KiB pool for atomic coherent allocation (d1) 4kworker/u2:0 invoked oom-killer: gfp_mask=0x3000d0, order=1, oom_score_adj=0 (d1) dCPU: 0 PID: 6 Comm: kworker/u2:0 Not tainted 3.12.0-rc5-00671-geb765a3-dirty #11 (d1) dWorkqueue: khelper __call_usermodehelper (d1) [<c001b82c>] (unwind_backtrace+0x0/0xf8) from [<c0017cd0>] (show_stack+0x10/0x14) (d1) [<c0017cd0>] (show_stack+0x10/0x14) from [<c054ce50>] (dump_stack+0x70/0x8c) (d1) [<c054ce50>] (dump_stack+0x70/0x8c) from [<c054b8c4>] (dump_header.isra.14+0x64/0x1ec) (d1) [<c054b8c4>] (dump_header.isra.14+0x64/0x1ec) from [<c00d3e98>] (out_of_memory+0x2c8/0x300) (d1) [<c00d3e98>] (out_of_memory+0x2c8/0x300) from [<c00d7f9c>] (__alloc_pages_nodemask+0x8b4/0x8e0) (d1) [<c00d7f9c>] (__alloc_pages_nodemask+0x8b4/0x8e0) from [<c003fe98>] (copy_process.part.55+0xec/0xf6c) (d1) [<c003fe98>] (copy_process.part.55+0xec/0xf6c) from [<c0040e64>] (do_fork+0xb0/0x300) (d1) [<c0040e64>] (do_fork+0xb0/0x300) from [<c00410dc>] (kernel_thread+0x28/0x30) (d1) [<c00410dc>] (kernel_thread+0x28/0x30) from [<c005615c>] (__call_usermodehelper+0x28/0x90) (d1) [<c005615c>] (__call_usermodehelper+0x28/0x90) from [<c00598a0>] (process_one_work+0x1b4/0x4a0) (d1) [<c00598a0>] (process_one_work+0x1b4/0x4a0) from [<c0059f88>] (worker_thread+0x138/0x37c) (d1) [<c0059f88>] (worker_thread+0x138/0x37c) from [<c00607e8>] (kthread+0xa4/0xb0) (d1) [<c00607e8>] (kthread+0xa4/0xb0) from [<c0013e68>] (ret_from_fork+0x14/0x2c) (d1) Mem-info: (d1) Normal per-cpu: (d1) CPU 0: hi: 0, btch: 1 usd: 0 (d1) active_anon:0 inactive_anon:0 isolated_anon:0 (d1) active_file:0 inactive_file:0 isolated_file:0 (d1) unevictable:0 dirty:0 writeback:0 unstable:0 (d1) free:0 slab_reclaimable:8 slab_unreclaimable:110 (d1) mapped:0 shmem:0 pagetables:0 bounce:0 (d1) free_cma:0 (d1) Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB is (d1) olated(anon):0kB isolated(file):0kB present:32768kB managed:17984kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB sl (d1) ab_reclaimable:32kB slab_unreclaimable:440kB kernel_stack:96kB pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tm (d1) p:0kB pages_scanned:0 all_unreclaimable? yes (d1) lowmem_reserve[]: 0 0 0 (d1) Normal: 0*4kB 7*8kB (U) 2*16kB (UM) 0*32kB 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (d1) (U) 0*1024kB 0*2048kB 0*4096kB 2*8192kB (I) = 17368kB (d1) 0 total pagecache pages (d1) 0 pages in swap cache (d1) Swap cache stats: add 0, delete 0, find 0/0 (d1) Free swap = 0kB (d1) Total swap = 0kB (d1) 8192 pages of RAM (d1) 4357 free pages (d1) 3696 reserved pages (d1) 118 slab pages (d1) 0 pages shared (d1) 0 pages swap cached (d1) 6[ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name (d1) 0Kernel panic - not syncing: Out of memory and no killable processes... 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