From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
linux-kernel <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: Regression: ppc powerstation boot hang caused by slab initialisation code
Date: Tue, 23 Jun 2009 08:27:13 +1000 [thread overview]
Message-ID: <1245709633.20062.13.camel@pasglop> (raw)
In-Reply-To: <1245708635.17035.6.camel@mulgrave.site>
On Mon, 2009-06-22 at 17:10 -0500, James Bottomley wrote:
> I'm getting a boot hang on my powerstation with recent kernels. It
> hangs in the early prom init code:
It probably goes much further but doesn't get a chance to tell you :-)
I'll dig. Just in case, can you send me your .config ?
Cheers,
Ben.
> Please wait, loading kernel...
> Elf64 kernel loaded...
> Loading ramdisk...
> ramdisk loaded at 02500000, size: 8280 Kbytes
> OF stdout device is: /ht/isa@8/serial@2f8
> Preparing to boot Linux version 2.6.30 (jejb@claymoor) (gcc version
> 4.3.3 (Debian 4.3.3-10) ) #1 SMP Mon Jun 22 09:59:35 CDT 2009
> command line: root=/dev/sda3 ro console=ttyS0,19200n1
> memory layout at init:
> alloc_bottom : 0000000002d16000
> alloc_top : 0000000030000000
> alloc_top_hi : 0000000080000000
> rmo_top : 0000000030000000
> ram_top : 0000000080000000
> instantiating rtas at 0x000000002fff5000... done
> boot cpu hw idx 0000000000000000
> starting cpu hw idx 0000000000000001... done
> starting cpu hw idx 0000000000000002... done
> starting cpu hw idx 0000000000000003... done
> copying OF device tree...
> Building dt strings...
> Building dt structure...
> Device tree strings 0x0000000003117000 -> 0x0000000003117640
> Device tree struct 0x0000000003118000 -> 0x000000000311b000
> Calling quiesce...
> returning from prom_init
>
> Git bisect identifies this commit:
>
> commit 83b519e8b9572c319c8e0c615ee5dd7272856090
> Author: Pekka Enberg <penberg@cs.helsinki.fi>
> Date: Wed Jun 10 19:40:04 2009 +0300
>
> slab: setup allocators earlier in the boot sequence
>
> So it's something do do with early slab initialisation. I'll try to
> track it down, but reverting it is hard because it seems to have a chain
> of dependent commits.
>
> James
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
next prev parent reply other threads:[~2009-06-22 22:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-22 22:10 Regression: ppc powerstation boot hang caused by slab initialisation code James Bottomley
2009-06-22 22:27 ` Benjamin Herrenschmidt [this message]
2009-06-22 22:40 ` James Bottomley
2009-06-22 22:51 ` Benjamin Herrenschmidt
2009-06-22 23:21 ` James Bottomley
2009-06-22 23:51 ` Benjamin Herrenschmidt
2009-06-23 0:32 ` Benjamin Herrenschmidt
2009-06-23 1:10 ` James Bottomley
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1245709633.20062.13.camel@pasglop \
--to=benh@kernel.crashing.org \
--cc=James.Bottomley@HansenPartnership.com \
--cc=linux-kernel@vger.kernel.org \
--cc=penberg@cs.helsinki.fi \
--cc=rjw@sisk.pl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.