From: emanuel stiebler <emu@ecubics.com>
To: linux-emb <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: kernel boot on mpc8245
Date: Wed, 05 Mar 2003 11:04:13 -0700 [thread overview]
Message-ID: <3E663C1D.7060104@ecubics.com> (raw)
In-Reply-To: 3E663145.7060605@mvista.com
Mark A. Greer wrote:
> My recommendation for a first step is to look at your printk data. You
> didn't miss a flag, you're simply crapping out before the console is set
> up to dump out the printk data.
>
> Go into the System.map file associated with the kernel your running,
> search for 'log_buf', subtract 0xc0000000 to get the physical addr of
> 'log_buf', hook up a BDI or something similar (and hopefully, your board
> has an appropriate connector), and dump the [printk] data at that address.
I have the connector, but not a BDI2000 :(
And the log_buf ends with:
0019f544: 20617263 682c2062 65666f72 65206669 arch, before fi
0019f554: 6e645f62 72696467 6573200a 3c363e45 nd_bridges .<6>E
0019f564: 63756275 65726f20 50383234 35205369 cubuero P8245 Si
0019f574: 6e676c65 20426f61 72642043 6f6d7075 ngle Board Compu
0019f584: 7465720a 3c363e50 6f727420 62792065 ter.<6>Port by e
0019f594: 6d750a3c 343e4f6e 206e6f64 65203020 mu.<4>On node 0
0019f5a4: 746f7461 6c706167 65733a20 33323736 totalpages: 3276
0019f5b4: 380a3c34 3e7a6f6e 65283029 3a203332 8.<4>zone(0): 32
0019f5c4: 37363820 70616765 732e0a3c 343e7a6f 768 pages..<4>zo
0019f5d4: 6e652831 293a2030 20706167 65732e0a ne(1): 0 pages..
0019f5e4: 3c343e7a 6f6e6528 32293a20 30207061 <4>zone(2): 0 pa
0019f5f4: 6765732e 0a3c343e 4b65726e 656c2063 ges..<4>Kernel c
0019f604: 6f6d6d61 6e64206c 696e653a 20636f6e ommand line: con
0019f614: 736f6c65 3d747479 53302c31 31353230 sole=ttyS0,11520
0019f624: 3020636f 6e736f6c 653d7474 79302072 0 console=tty0 r
0019f634: 6f6f743d 2f646576 2f72616d 2072770a oot=/dev/ram rw.
0019f644: 00000000 00000000 00000000 00000000 ................
Cheers & thanks
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-03-05 18:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-05 0:25 kernel boot on mpc8245 emanuel stiebler
2003-03-05 17:01 ` Yuji Nishimura
2003-03-05 17:17 ` Mark A. Greer
2003-03-05 18:04 ` emanuel stiebler [this message]
2003-03-05 21:35 ` kernel boot on mpc8245, internal UART emanuel stiebler
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