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

From: Kallol Biswas <hidden>
Date: 2006-08-29 04:59:58
Also in: lkml

Processor: PPC440
Dcbst takes the store fault.

-----Original Message-----
From: Paul Mackerras [mailto:<redacted>] 
Sent: Monday, August 28, 2006 9:35 PM
To: Kallol Biswas
Cc: <redacted>; <redacted>; 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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