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Re: RF help with a v5.10 Heisenbug, please?

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Tom Christiansen
July 30, 2008 21:57
Re: RF help with a v5.10 Heisenbug, please?
Message ID:
In-Reply-To: Message from Andy Armstrong <> 
   of "Wed, 30 Jul 2008 21:41:00 BST." <> 

>On 30 Jul 2008, at 21:29, Tom Christiansen wrote:

>> I've thought of building a debugging perl and trying to remotely
>> attach to it once it's in spin-mode via gdb (if that's this
>> possible?).

>> Has anybody ever attempted this?

> Did you try strace on it or whatever the local equivalent is?

The local equivalent is ktrace (+kdump to read the output),
and no I haven't.  Thanks for the good idea.  Used to use
that sort of thing quite a bit.

> Attaching with gdb should work find - just gdb perl <pid>.

Oh, good.  If ktrace doesn't enclue me, I'll build a debugging
perl and do that.


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