From: Rich Felker <dalias@libc.org>
To: musl@lists.openwall.com
Subject: Re: [musl] User mode linux error when compiled with musl
Date: Tue, 31 Mar 2020 13:42:36 -0400 [thread overview]
Message-ID: <20200331174236.GX11469@brightrain.aerifal.cx> (raw)
In-Reply-To: <d9d3a821b81fd3b92a91b775772b604e@hanne.name>
On Mon, Mar 30, 2020 at 07:21:48PM +0200, Johann Hanne wrote:
> Hi,
>
> I'm compiling user mode linux (kernel 5.5) against musl (toolchain
> from musl.cc, tried gcc 6 and gcc 9) and getting the following error
> when booting:
> --
> Run /init as init process
> userspace - ptrace set fp regs failed, errno = 14
> Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
> --
>
> build command: make ARCH=um LD_FLAGS_CMDLINE="-static"
> CROSS_COMPILE=x86_64-linux-musl-
>
> run command: ./linux initrd=test.cpio.gz
>
> test.cpio.gz contains a statically linked "Hello world" init, which
> works when UML is built against the host cc with glibc (Ubuntu
> 16.04, gcc 5, also with "-static").
>
> Any ideas?
Sorry, I don't have any and don't know enough about how UML works to
have a good guess. I'd start by trying to identify exactly where that
error message is coming from (probably somewhere in kernel code) and
look for what leads up to it.
Rich
prev parent reply other threads:[~2020-03-31 17:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 17:21 Johann Hanne
2020-03-31 17:42 ` Rich Felker [this message]
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