RE: PPC 2.6.11.4 kernel panics while doing insmod (store fault wi th d cbst in icache_flush_range)

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RE: PPC 2.6.11.4 kernel panics while doing insmod (store fault wi th d cbst in icache_flush_range)

Kallol Biswas
Processor: PPC440
Dcbst takes the store fault.

-----Original Message-----
From: Paul Mackerras [mailto:[hidden email]]
Sent: Monday, August 28, 2006 9:35 PM
To: Kallol Biswas
Cc: [hidden email]; [hidden email]; Ronald Lee; Radjendirane Codandaramane; Shawn Jin
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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