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From: Julien Grall <julien.grall@linaro.org>
To: Josh Zhao <joshsystem@gmail.com>
Cc: Ian Campbell <ian.campbell@citrix.com>,
	xen-devel <xen-devel@lists.xen.org>
Subject: Re: Data Abort in Dom0 for cubieboard2
Date: Mon, 09 Sep 2013 10:15:21 +0100	[thread overview]
Message-ID: <522D91A9.4010604@linaro.org> (raw)
In-Reply-To: <CAOYkbaj-sX0K10WL8PYyiREsDyDRNmHNRA7LX=y6Kym-Adg+dw@mail.gmail.com>

On 09/09/2013 08:36 AM, Josh Zhao wrote:
> Hi all,
> Anyone got the similar problem like this:
>
>
>
>   Starting kernel ...
>
> - UART enabled -
> - CPU 00000000 booting -
> - Machine ID 000010bb -
> - Started in Hyp mode -
> - Zero BSS -
> - Setting up control registers -
> - Turning on paging -
> - Ready -
> -DTB R8 402d7700 -
> - PADDR R9 40200000 -
> - phys-offset R10 40000000 -
> RAM: 0000000040000000 - 00000000bfffffff
>
> MODULE[1]: 0000000060000000 - 0000000060400000
> Placing Xen at 0x00000000bfe00000-0x00000000c0000000
> Xen heap: 65536 pages  Dom heap: 458752 pages
> Looking for UART console serial0
> ns16550_uart_dt_init
> ns16550 at 1c28000-1c28400
> console done?
> UART mapped at 10007000
> divisor 0
>   __  __            _  _   _  _                      _        _     _
>   \ \/ /___ _ __   | || | | || |     _   _ _ __  ___| |_ __ _| |__ | | ___
>    \  // _ \ '_ \  | || |_| || |_ __| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
>    /  \  __/ | | | |__   _|__   _|__| |_| | | | \__ \ || (_| | |_) | |  __/
>   /_/\_\___|_| |_|    |_|(_) |_|     \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
>
> (XEN) Xen version 4.4-unstable (joshzhao@)
> (arm-unknown-linux-gnueabi-gcc (GCC) 4.6.3) debug=y Mon Sep  9
> 15:30:08 CST 2013
> (XEN) Latest ChangeSet: Mon Aug 26 12:40:44 2013 +0200 git:8a7769b-dirty
> (XEN) Console output is synchronous.
> (XEN) Processor: "ARM Limited", variant: 0x0, part 0xc07, rev 0x4
> (XEN) 32-bit Execution:
> (XEN)   Processor Features: 00001131:00011011
> (XEN)     Instruction Sets: AArch32 Thumb Thumb-2 ThumbEE Jazelle
> (XEN)     Extensions: GenericTimer Security
> (XEN)   Debug Features: 02010555
> (XEN)   Auxiliary Features: 00000000
> (XEN)   Memory Model Features: 10101105 40000000 01240000 02102211
> (XEN)  ISA Features: 02101110 13112111 21232041 11112131 10011142 00000000
> (XEN) Platform: ALLWINNER SUN7I-A20
> (XEN) Generic Timer IRQ: phys=55 hyp=57 virt=56
> (XEN) clock-frequency res:0
> (XEN) Using generic timer at 24000 KHz boot_count:0000000021817d4d
> (XEN) GIC initialization:
> (XEN)         gic_dist_addr=0000000001c81000
> (XEN)         gic_cpu_addr=0000000001c82000
> (XEN)         gic_hyp_addr=0000000001c84000
> (XEN)         gic_vcpu_addr=0000000001c86000
> (XEN)         gic_maintenance_irq=25
> (XEN) GIC: 160 lines, 1 cpu, secure (IID 0100143b).
> (XEN) Waiting for 0 other CPUs to be ready
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Allocated console ring of 16 KiB.
> (XEN) VFP implementer 0x41 architecture 2 part 0x30 variant 0x7 rev 0x4
> (XEN) Brought up 1 CPUs
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN) Populate P2M 0x90000000->0xa0000000 (1:1 mapping for dom0)
> (XEN) Device-tree contains "xen,xen" node. Ignoring.
> (XEN) Loading kernel from boot module 1
> (XEN) Loading zImage from 0000000060000000 to 0000000090008000-0000000090375d08
> (XEN) Loading dom0 DTB to 0x000000009fe00000-0x000000009fe0106f
> (XEN) CPU0: Unexpected Trap: Data Abort
> (XEN) ----[ Xen-4.4-unstable  arm32  debug=y  Tainted:    C ]----
> (XEN) CPU:    0
> (XEN) PC:     00214270 free_heap_pages+0x228/0x40c
> (XEN) CPSR:   8000005a MODE:Hypervisor
> (XEN)      R0: 00100100 R1: 00200200 R2: 00000000 R3: 01800000
> (XEN)      R4: 00000012 R5: 02000000 R6: 00000012 R7: 00000001
> (XEN)      R8: 002d200c R9: 02600000 R10:000c0000 R11:0028fa2c R12:00261dcc
> (XEN) HYP: SP: 0028fa04 LR: 00000000
> (XEN)
> (XEN)   VTCR_EL2: 80002558
> (XEN)  VTTBR_EL2: 00010000bfdfc000
> (XEN)
> (XEN)  SCTLR_EL2: 30cd187f
> (XEN)    HCR_EL2: 0000000000282835
> (XEN)  TTBR0_EL2: 00000000bfed1000
> (XEN)
> (XEN)    ESR_EL2: 94000006
> (XEN)  HPFAR_EL2: 00000000920e0a40
> (XEN)      HDFAR: 01800008
> (XEN)      HIFAR: 8285a320
> (XEN)
> (XEN) Xen stack trace from sp=0028fa04:
> (XEN)    002140d8 0029a3a0 000003ff 02407fe0 00299118 00000400 0029a3a0 00000000
> (XEN)    4ffff117 0028fa54 00214f0c 00000000 00000fff 00000000 00270010 00000000
> (XEN)    60000000 00000000 4ffff117 0028fa64 002151e0 002704b0 00000001 0028fa84
> (XEN)    0026b8bc 00000040 9fe00000 00000000 9fe00000 00000f68 00000000 0028fedc
> (XEN)    00243470 9fe0106f 00000000 00020000 00000000 4ffeff58 40012000 90000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000008
> (XEN)    00000001 00000001 00000000 0025dde0 00000000 00000000 4fff4000 00000008
> (XEN)    00000008 00256ef4 00000002 00000000 00000f10 00000001 00000001 00000001
> (XEN)    00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000001 00000001 00000001
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 2c6e6578 2d6e6578 00342e34
> (XEN)    2c6e6578 006e6578 000000b0 00000200 00000000 00000000 01000000 0f000000
> (XEN)    080f0000 00000000 00000000 00000000 00000000 00000000 4fffe280 40013e80
> (XEN)    0028fb94 40010000 00000000 10000000 00000000 00000001 00000000 90000000
> (XEN)    00000000 10000000 00000000 00000000 00000000 00000000 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe00000
> (XEN)    00000000 90008000 00000000 00000000 00000000 60000000 00000000 90008000
> (XEN) Xen call trace:
> (XEN)    [<00214270>] free_heap_pages+0x228/0x40c (PC)
> (XEN)    [<00000000>] ??? (LR)
> (XEN)    [<00214f0c>] init_heap_pages+0x108/0x120
> (XEN)    [<002151e0>] init_domheap_pages+0x98/0xa8
> (XEN)    [<0026b8bc>] discard_initial_modules+0x6c/0x98
> (XEN)    [<00243470>] construct_dom0+0xc7c/0xe2c
> (XEN)    [<0026c3b8>] start_xen+0xa94/0xb60
> (XEN)    [<002005a0>] launch+0x98/0xc8
> (XEN)

I had a similar issue with the Arndale board. Do you have the commit 
ceb93c7 "xen/arm: add lower-bound check in mfn_valid" in your tree? It 
should resolve your problem.

Cheers,

-- 
Julien Grall

  parent reply	other threads:[~2013-09-09  9:15 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-09  7:36 Data Abort in Dom0 for cubieboard2 Josh Zhao
2013-09-09  8:26 ` Ian Campbell
2013-09-09  8:39   ` Josh Zhao
2013-09-09  8:42     ` Josh Zhao
2013-09-09  9:15 ` Julien Grall [this message]
2013-09-10  1:24   ` Josh Zhao
2013-09-10  8:30     ` Ian Campbell
2013-09-10  8:41       ` Josh Zhao

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