From: Michael Ellerman <mpe@ellerman•id.au>
To: Pranith Kumar <bobby.prani@gmail•com>
Cc: "open list:LINUX FOR POWERPC..." <linuxppc-dev@lists•ozlabs.org>,
LKML <linux-kernel@vger•kernel.org>
Subject: Re: linux panic on 4.0.0-rc4
Date: Tue, 17 Mar 2015 10:22:31 +1100 [thread overview]
Message-ID: <1426548151.31646.4.camel@ellerman.id.au> (raw)
In-Reply-To: <CAJhHMCC06H-BRFBBcD_PfumyvHoFAjbi_MOn7gSeq5y093FSEQ@mail.gmail.com>
On Mon, 2015-03-16 at 09:30 -0400, Pranith Kumar wrote:
> On Mon, Mar 16, 2015 at 4:16 AM, Michael Ellerman <mpe@ellerman•id.au> wrote:
> > On Mon, 2015-03-16 at 01:34 -0400, Pranith Kumar wrote:
> >> On Mon, Mar 16, 2015 at 1:11 AM, Pranith Kumar <bobby.prani@gmail•com> wrote:
> >> > Hello,
> >> >
> >> > I have a power mac mini 32-bit system.
> >> >
> >> ...
> >> > You can see the panic message here: http://imgur.com/s1lH15g. (there
> >> > is no log and I have no serial console).
> >>
> >> There was some debug code in there when it hit. The actual hang seems
> >> to be in printk_late_init(). It does not return from this. May be this
> >> is a hint?
> >
> > That is where the boot consoles get disabled and it switches to the "real"
> > console. It suggests that the system is not "hung" there but you just lost
> > output.
> >
> > Try booting with "keep_bootcon" ?
>
> I tried this and got to the same place as in the first mail:
> http://imgur.com/s1lH15g
>
> There is a kernel panic with the message printed. Any more suggestions
> to how to debug this?
The log shows that init is being killed, that's what's causing the panic.
The exitcode of init is 0x200, which due to the vagaries of UNIX is I think an
"exit status" of 2 in the common usage.
But it suggests that your init is just exiting for some reason?
What is your init?
cheers
next prev parent reply other threads:[~2015-03-16 23:22 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-16 5:11 linux panic on 4.0.0-rc4 Pranith Kumar
2015-03-16 5:34 ` Pranith Kumar
2015-03-16 8:16 ` Michael Ellerman
2015-03-16 13:30 ` Pranith Kumar
2015-03-16 14:01 ` Peter Hurley
2015-03-16 23:22 ` Michael Ellerman [this message]
2015-03-17 2:02 ` Pranith Kumar
2015-03-17 2:58 ` Peter Hurley
2015-03-17 3:12 ` Pranith Kumar
2015-03-17 3:18 ` Peter Hurley
2015-03-17 6:33 ` Pranith Kumar
2015-03-17 20:03 ` Peter Hurley
2015-03-17 20:07 ` Pranith Kumar
2015-03-17 20:13 ` Peter Hurley
2015-03-17 20:16 ` Pranith Kumar
2015-03-17 20:23 ` Peter Hurley
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