linux-kernel - Re: PPC 2.6.11.4 kernel panics while doing insmod (store fault with d cbst in icache_flush

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Message-ID: <17651.50176.455224.734372@cargo.ozlabs.ibm.com>
Date:	Tue, 29 Aug 2006 14:35:12 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Kallol Biswas <Kallol_Biswas@...-sierra.com>
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Ronald Lee <Ronald_Lee@...-sierra.com>,
	Radjendirane Codandaramane 
	<Radjendirane_Codandaramane@...-sierra.com>,
	Shawn Jin <Shawn_Jin@...-sierra.com>
Subject: Re: PPC 2.6.11.4 kernel panics while doing insmod (store fault with d
	cbst in icache_flush_range)

Kallol Biswas writes:

>         mr      r6,r3
> 1:      dcbst   0,r3
>         addi    r3,r3,L1_CACHE_LINE_SIZE
>         bdnz    1b
> 
> The instruction takes a store fault (DST bit, bit 8 of ESR gets
> set), kernel panics with oops (signal 11).

What processor are you using?

Which instruction takes a store fault?

Paul.
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