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Re: error inserting module while running sleeptime.stp on maemo platform


On Thu, Nov 27, 2008 at 08:28:01PM +0300, Dmitry Malichenko wrote:

...

> dmesg command says:
> 
> [ 6783.937500] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
> symbol relay_open
> [ 6783.937500] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
> symbol relay_buf_full
> [ 6783.945312] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
> symbol unregister_kretprobe
> [ 6783.945312] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
> symbol relay_close
> [ 6783.953125] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
> symbol relay_flush
> [ 6783.953125] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
> symbol register_kprobe
> [ 6783.953125] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
> symbol register_kretprobe
> [ 6783.960937] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
> symbol unregister_kprobe
> [ 6783.960937] stap_07ac9da65fb9eda7439c65904e2b9560_12133: Unknown
> symbol relay_file_operations
> [ 6827.679687] cx3110x: WARNING prism_softmac_frame_tx_done() returned
> an empty frame.
> 
> The kernel was compiled with option CONFIG_RELAY=y
> 
> I don't understand this error enough good.
> Could you please tell me in what direction I should move to get rid of
> this error? How serious is the problem?
> 
> Kernel version: diablo kernel 2.6.21
> Systemtap version: version 0.7.1/0.131

- Does your kernel have CONFIG_RELAY set?
- Doesn't maemo use an ARM processor? If so, I am not sure if kprobes are
available for 2.6.21 for ARM. You may need to use a newer kernel.
- And make sure to build with DEBUG_INFO set.

Ananth


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