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From: Sylvain Munaut <tnt@246tNt.com>
To: John F Davis <johndavi@us.ibm.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: linux hangs after uncompress kernel image
Date: Thu, 01 Sep 2005 16:30:09 +0200	[thread overview]
Message-ID: <43171071.40400@246tNt.com> (raw)
In-Reply-To: <OF4A6E57B7.047A8CB6-ON8725706F.00264CE2-C125706F.00264A01@us.ibm.com>


Or take the address of the __log_buf symbol then after the crash,
reboot and dump the buffer there, so you can see erly printk (before
console is up).

	Sylvain


John F Davis wrote:
> 
> Hello Lily,
> 
> Maybe you could try to put in some printk's and see which line of code
> generates an exception.
> 
> JD
> 
> 
> *"lily" <lichanjuan04@st.lzu.edu.cn>*
> Sent by: linuxppc-embedded-bounces@ozlabs.org
> 
> 09/01/2005 05:55 AM
> 
> 	
> To
> 	<linuxppc-embedded@ozlabs.org>
> cc
> 	
> Subject
> 	linux hangs after uncompress kernel image
> 
> 
> 	
> 
> 
> 
> 
> 
> i work on octobusHPPC405EP board . when I try to bring up the kernel i
> meet the problem that linux hangs after uncompressing image:
>  
> U-Boot 1.1.2 (Jun  3 2005 - 12:05:48)
>  
> CPU:   IBM PowerPC 405EP Rev. B at 133.333 MHz (PLB=133, OPB=66, EBC=33 MHz)
>       IIC Boot EEPROM disabled
>       PCI async ext clock used, internal PCI arbiter enabled
>       16 kB I-Cache 16 kB D-Cache
> OCTOBUS Board: ### No HW ID - assuming OCTOBUS HPPC405
> I2C:   ready
> DRAM:  32 MB
> FLASH:  4 MB
> =>iminfo 1000000
> ## Checking Image at 01000000 ...
>   Image Name:   Linux-2.4.21-pre5
>   Created:      2005-08-03  17:45:20 UTC
>   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
>   Data Size:    548345 Bytes = 535.5 kB
>   Load Address: 00000000
>   Entry Point:  00000000
>   Verifying Checksum ... OK
> => bootm 1000000
> ## Booting image at 01000000 ...
>   Image Name:   Linux-2.4.21-pre5
>   Created:      2005-08-03  17:45:20 UTC
>   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
>   Data Size:    548345 Bytes = 535.5 kB
>   Load Address: 00000000
>   Entry Point:  00000000
>   Verifying Checksum ... OK
>   Uncompressing Kernel Image ... OK
> 
> <hang>
> what's the problem?? _______________________________________________
> Linuxppc-embedded mailing list
> Linuxppc-embedded@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> Linuxppc-embedded mailing list
> Linuxppc-embedded@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-embedded

      reply	other threads:[~2005-09-01 14:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <000801c5aea9$059f01e0$fa0cc9ca@lcj3bdfa4e34dd>
2005-09-01  3:55 ` linux hangs after uncompress kernel image lily
2005-09-01  6:58 ` John F Davis
2005-09-01 14:30   ` Sylvain Munaut [this message]

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