From: Manuel Quintero Fonseca <manuel@uas.edu.mx>
To: Connor Kuehl <cipkuehl@gmail.com>
Cc: kernelnewbies@kernelnewbies.org
Subject: Re: QEMU end Kernel panic - not sysncing: VFS: Unable to mount toor fs on unknown
Date: Wed, 19 Jun 2019 22:05:54 -0600 [thread overview]
Message-ID: <CAPegGh-y92AjLt2Pxy+bvJJ26vpAbwJM-h44r8Bc+oetjz5s1w@mail.gmail.com> (raw)
In-Reply-To: <CAC_QXZTTKDd_bjU8wBeQiSF9f4Kc3RpXdX+ef2dtZYBmS8uyJw@mail.gmail.com>
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thank you all, I will review the information
El mié., 19 jun. 2019 a las 16:52, Connor Kuehl (<cipkuehl@gmail.com>)
escribió:
>
>
> On Wed, Jun 19, 2019 at 10:47 AM Manuel Quintero Fonseca <
> manuel@uas.edu.mx> wrote:
>
>> Hello, I have been wanting to learn how to use QEMU for the development
>> of the linux kernel, at the kernelnewbies.org page I did not find any
>> information, in google I found this page:
>> https://www.collabora.com/news-and-blog/blog/2017/01/16/setting-up-qemu-kvm-for-kernel-development/
>>
>> Following the first examples, it gives me two problems, I hope you can
>> guide me.
>>
>> $qemu-system-x86_64 -kernel /boot/vmlinuz-`uname -r`
>>
>> end Kernel panic - not sysncing: VFS: Unable to mount toor fs on
>> unknown-block(0,0)
>>
>>
>> aku@openSUSE:~> sudo qemu-system-x86_64 -kernel /boot/vmlinuz-`uname -r`
>> [sudo] password for root:
>> Unable to init server: Could not connect: Connection refused
>>
>
> Hi Manuel,
>
> This is because you're not supplying it with a root file system. The
> article you linked goes on to describe this process, but I've found this
> blog post[1] to be a bit more concise and easy to follow. It'll show you
> how to use "mkinitramfs" to make a ramdisk to pass to QEMU alongside the
> kernel you're trying to boot.
>
> Good luck!
>
> Connor
>
> [1]
> http://nickdesaulniers.github.io/blog/2018/10/24/booting-a-custom-linux-kernel-in-qemu-and-debugging-it-with-gdb/
>
>
>>
>>
>>
>> Thank you
>> _______________________________________________
>> Kernelnewbies mailing list
>> Kernelnewbies@kernelnewbies.org
>> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>>
>
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next prev parent reply other threads:[~2019-06-20 4:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-19 17:47 QEMU end Kernel panic - not sysncing: VFS: Unable to mount toor fs on unknown Manuel Quintero Fonseca
2019-06-19 22:52 ` Connor Kuehl
2019-06-20 4:05 ` Manuel Quintero Fonseca [this message]
2019-06-20 6:43 ` Michal Rostecki
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