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* linux hangs after uncompress kernel image
       [not found] <000801c5aea9$059f01e0$fa0cc9ca@lcj3bdfa4e34dd>
@ 2005-09-01  3:55 ` lily
  2005-09-01  6:58 ` John F Davis
  1 sibling, 0 replies; 3+ messages in thread
From: lily @ 2005-09-01  3:55 UTC (permalink / raw)
  To: linuxppc-embedded

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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?? 

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: linux hangs after uncompress kernel image
       [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
  1 sibling, 1 reply; 3+ messages in thread
From: John F Davis @ 2005-09-01  6:58 UTC (permalink / raw)
  To: lily; +Cc: linuxppc-embedded-bounces, linuxppc-embedded

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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

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: linux hangs after uncompress kernel image
  2005-09-01  6:58 ` John F Davis
@ 2005-09-01 14:30   ` Sylvain Munaut
  0 siblings, 0 replies; 3+ messages in thread
From: Sylvain Munaut @ 2005-09-01 14:30 UTC (permalink / raw)
  To: John F Davis; +Cc: linuxppc-embedded


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

^ permalink raw reply	[flat|nested] 3+ messages in thread

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     [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

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