Hi,
I am running xen 4.3.3-unstable on ARM Fast Model for
Versatile Express platform. I am getting a kernel panic when I am trying to
create a domU using ‘xl create’ command. My linux kernel version
for dom0 and domU is 3.9.0-rc7. The error is :
...
(XEN)
DOM1: Booting Linux on physical CPU 0x0
(XEN)
DOM1: Linux version 3.9.0-rc7 (phoenix@ubuntu) (gcc version 4.6.3 (GCC) ) #8
Tue Apr 23 17:35:45 IST 2013
(XEN)
DOM1: CPU: ARMv7 Processor [412fc0f0] revision 0 (ARMv7), cr=10c53c7d
(XEN)
DOM1: CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
(XEN)
DOM1: Machine: ARM-Versatile Express, model: XENVM-4.2
(XEN)
DOM1: bootconsole [earlycon0] enabled
(XEN)
DOM1: Memory policy: ECC disabled, Data cache writeback
(XEN)
DOM1: On node 0 totalpages: 32768
(XEN)
DOM1: free_area_init_node: node 0, pgdat c0479040, node_mem_map c049c000
(XEN)
DOM1: Normal zone: 256 pages used for memmap
(XEN)
DOM1: Normal zone: 0 pages reserved
(XEN)
DOM1: Normal zone: 32768 pages, LIFO batch:7
(XEN)
DOM1: CPU: All CPU(s) started in SVC mode.
(XEN)
DOM1: pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
(XEN)
DOM1: pcpu-alloc: [0] 0
(XEN)
DOM1: Built 1 zonelists in Zone order, mobility grouping on. Total pages:
32512
(XEN)
DOM1: Kernel command line: earlyprintk=xenboot console=hvc0 root=/dev/xvda
debug rw init=/bin/sh
(XEN)
DOM1: PID hash table entries: 512 (order: -1, 2048 bytes)
(XEN)
DOM1: Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
(XEN)
DOM1: Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
(XEN)
DOM1: __ex_table already sorted, skipping sort
(XEN)
DOM1: Memory: 128MB = 128MB total
(XEN)
DOM1: Memory: 125180k/125180k available, 5892k reserved, 0K highmem
(XEN)
DOM1: Virtual kernel memory layout:
(XEN)
DOM1: vector : 0xffff0000 -
0xffff1000 ( 4 kB)
(XEN)
DOM1: fixmap : 0xfff00000 -
0xfffe0000 ( 896 kB)
(XEN)
DOM1: vmalloc : 0xc8800000 - 0xff000000 (
872 MB)
(XEN)
DOM1: lowmem : 0xc0000000 -
0xc8000000 ( 128 MB)
(XEN)
DOM1: pkmap : 0xbfe00000 -
0xc0000000 ( 2 MB)
(XEN) DOM1:
.text : 0xc0008000 - 0xc042e138 (4249 kB)
(XEN)
DOM1: .init : 0xc042f000 -
0xc0450d34 ( 136 kB)
(XEN)
DOM1: .data : 0xc0452000 -
0xc04799c0 ( 159 kB)
(XEN)
DOM1: .bss : 0xc04799c0 -
0xc049b62c ( 136 kB)
(XEN)
DOM1: NR_IRQS:16 nr_irqs:16 16
(XEN)
DOM1: ------------[ cut here ]------------
(XEN)
DOM1: WARNING: at drivers/clk/versatile/clk-vexpress.c:29
vexpress_sp810_init+0xa0/0xcc()
(XEN)
DOM1: [<c0011b24>] (unwind_backtrace+0x0/0xe0) from [<c00184f8>]
(warn_slowpath_common+0x48/0x64)
(XEN)
DOM1: [<c00184f8>] (warn_slowpath_common+0x48/0x64) from
[<c00185cc>] (warn_slowpath_null+0x18/0x1c)
(XEN)
DOM1: [<c00185cc>] (warn_slowpath_null+0x18/0x1c) from [<c04436a8>]
(vexpress_sp810_init+0xa0/0xcc)
(XEN)
DOM1: [<c04436a8>] (vexpress_sp810_init+0xa0/0xcc) from
[<c04438cc>] (vexpress_clk_of_init+0x2c/0x140)
(XEN)
DOM1: [<c04438cc>] (vexpress_clk_of_init+0x2c/0x140) from
[<c0435a78>] (v2m_dt_timer_init+0x8/0x90)
(XEN)
DOM1: [<c0435a78>] (v2m_dt_timer_init+0x8/0x90) from [<c0432ed4>]
(time_init+0x14/0x20)
(XEN)
DOM1: [<c0432ed4>] (time_init+0x14/0x20) from [<c042f610>]
(start_kernel+0x184/0x2bc)
(XEN)
DOM1: [<c042f610>] (start_kernel+0x184/0x2bc) from [<80008070>]
(0x80008070)
(XEN)
DOM1: ---[ end trace 1b75b31a2719ed1c ]---
(XEN) DOM1:
------------[ cut here ]------------
(XEN)
DOM1: WARNING: at drivers/clk/versatile/clk-vexpress.c:116
vexpress_clk_of_init+0x78/0x140()
(XEN)
DOM1: [<c0011b24>] (unwind_backtrace+0x0/0xe0) from [<c00184f8>]
(warn_slowpath_common+0x48/0x64)
(XEN)
DOM1: [<c00184f8>] (warn_slowpath_common+0x48/0x64) from
[<c00185cc>] (warn_slowpath_null+0x18/0x1c)
(XEN)
DOM1: [<c00185cc>] (warn_slowpath_null+0x18/0x1c) from [<c0443918>]
(vexpress_clk_of_init+0x78/0x140)
(XEN)
DOM1: [<c0443918>] (vexpress_clk_of_init+0x78/0x140) from
[<c0435a78>] (v2m_dt_timer_init+0x8/0x90)
(XEN)
DOM1: [<c0435a78>] (v2m_dt_timer_init+0x8/0x90) from [<c0432ed4>]
(time_init+0x14/0x20)
(XEN)
DOM1: [<c0432ed4>] (time_init+0x14/0x20) from [<c042f610>]
(start_kernel+0x184/0x2bc)
(XEN)
DOM1: [<c042f610>] (start_kernel+0x184/0x2bc) from [<80008070>]
(0x80008070)
(XEN)
DOM1: ---[ end trace 1b75b31a2719ed1d ]---
(XEN)
DOM1: sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956ms
(XEN)
DOM1: Unable to handle kernel NULL pointer dereference at virtual address
0000005c
(XEN)
DOM1: pgd = c0004000
(XEN)
DOM1: [0000005c] *pgd=00000000
(XEN)
DOM1: Internal error: Oops: 5 [#1] ARM
(XEN)
DOM1: CPU: 0 Tainted:
G W
(3.9.0-rc7 #8)
(XEN)
DOM1: PC is at versatile_read_sched_clock+0x10/0x28
(XEN)
DOM1: LR is at update_sched_clock+0x14/0x68
(XEN)
DOM1: pc : [<c001633c>] lr :
[<c000f85c>] psr: 200001d3
(XEN)
DOM1: sp : c0453f68 ip : 000008d8 fp : 0000001a
(XEN)
DOM1: r10: 0000004d r9 : 00000000 r8 : 00000018
(XEN) DOM1:
r7 : a6aaaaab r6 : c045a010 r5 : 0002bb0c r4 : c045d210
(XEN)
DOM1: r3 : 0000005c r2 : 00003eeb r1 : 00000028 r0 : 00003eeb
(XEN)
DOM1: Flags: nzCv IRQs off FIQs off Mode SVC_32 ISA
ARM Segment kernel
(XEN)
DOM1: Control: 10c53c7d Table: 80004059 DAC: 00000015
(XEN)
DOM1: Process swapper (pid: 0, stack limit = 0xc0452230)
(XEN)
DOM1: Stack: (0xc0453f68 to 0xc0454000)
(XEN)
DOM1:
3f60:
aaaaaa96 0002bb0c c045d210 c0432484 00000029 00000000
(XEN)
DOM1: 3f80: 0002bb0c c03ca210 00000000 00000020 aaaaaa96 00000029 c03ca214
c04799c0
(XEN)
DOM1: 3fa0: ffffffff c044ab48 c059cb40 80004059 412fc0f0 00000000 00000000
c0432ed4
(XEN)
DOM1: 3fc0: c0481300 c042f610 ffffffff ffffffff c042f274 00000000 00000000
c044ab48
(XEN)
DOM1: 3fe0: 00000000 10c53c7d c045a02c c044ab44 c045d1a4 80008070 00000000
00000000
(XEN)
DOM1: [<c001633c>] (versatile_read_sched_clock+0x10/0x28) from
[<c000f85c>] (update_sched_clock+0x14/0x68)
(XEN)
DOM1: [<c000f85c>] (update_sched_clock+0x14/0x68) from [<c0432484>]
(setup_sched_clock+0x1a0/0x1e0)
(XEN)
DOM1: [<c0432484>] (setup_sched_clock+0x1a0/0x1e0) from
[<c0432ed4>] (time_init+0x14/0x20)
(XEN)
DOM1: [<c0432ed4>] (time_init+0x14/0x20) from [<c042f610>]
(start_kernel+0x184/0x2bc)
(XEN)
DOM1: [<c042f610>] (start_kernel+0x184/0x2bc) from [<80008070>]
(0x80008070)
(XEN)
DOM1: Code: e59f301c e5933000 e3530000 0a000002 (e5930000)
(XEN)
DOM1: ---[ end trace 1b75b31a2719ed1e ]---
(XEN)
DOM1: Kernel panic - not syncing: Attempted to kill the idle task!
...
Regards
Shubham Khandelwal
