From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: suneet saini <suneet.saini@gmail.com>
Cc: poky@yoctoproject.org, linux-yocto@yoctoproject.org
Subject: Re: Kernel Panic : Not Syncing : Exit code 0x00000004
Date: Thu, 19 Feb 2015 09:21:54 +0000 [thread overview]
Message-ID: <1424337714.11836.26.camel@linuxfoundation.org> (raw)
In-Reply-To: <CAAxKdCh6p+9nxGmayUjcLLsDF-Ka98AMZZtXEUMusSCaXvM=Cw@mail.gmail.com>
On Thu, 2015-02-19 at 11:43 +0530, suneet saini wrote:
> I am using the 'hob' from poky and building the image by
> selecting the machine as "qemuarm". Initially this file having
> architecture as followed
> qemuarm.conf
> +++++++++++++++++++++++++++++++++++++++
> #@TYPE: Machine
> #@NAME: arm_versatile_926ejs
> #@DESCRIPTION: arm_versatile_926ejs
>
> require conf/machine/include/qemu.inc
> require conf/machine/include/tune-arm926ejs.inc
> #require conf/machine/include/tune-arm1136jf-s.inc
>
> KERNEL_IMAGETYPE = "zImage"
>
> SERIAL_CONSOLE = "115200 ttyAMA0"
> +++++++++++++++++++++++++++++++++++++++
>
>
> After building the image with "core-image-minimal" or
> "core-image-full-cmdline" while running the image with qemu it works
> fine. I want to change qemu working for "arm v7a" means support
> "Cortex A8". That's why for this I make the changes in qemuarm.conf as
> in the "~/poky/meta/conf/machine.conf"
>
> qemuarm.conf
> +++++++++++++++++++++++++++++++++++++++
>
> require conf/machine/include/qemu.inc
> require conf/machine/include/tune-cortexa8.inc
>
> KERNEL_IMAGETYPE = "zImage"
>
> SERIAL_CONSOLE = "115200 ttyAMA0"
> +++++++++++++++++++++++++++++++++++++++
>
>
> After that I am building the image and running it with qemu; I am
> getting the kernel panic.
>
>
> Kernel Panic - not syncing : Attempting to kill Init!
> exitcode=0x00000004
>
Its very likely that the system sees an "invalid" instruction and is
panicking as a result.
For armv7a you'll need to ensure you pass the correct -cpu option to
qemu to make this work. By default it will only use am armv5 capable CPU
(since this is what qemuarm builds).
Cheers,
Richard
next prev parent reply other threads:[~2015-02-19 9:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-19 6:13 Kernel Panic : Not Syncing : Exit code 0x00000004 suneet saini
2015-02-19 9:21 ` Richard Purdie [this message]
[not found] ` <CAAxKdCigngVSOexCWYpwA3yAdEFKcmLnseMQxiyyW1eak+i4pw@mail.gmail.com>
2015-02-19 15:02 ` Richard Purdie
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