RE: PPC 2.6.11.4 kernel panics while doing insmod (store fault with d cbst in icache_flush_range)
From: Kallol Biswas
Date: Tue Aug 29 2006 - 00:57:31 EST
Processor: PPC440
Dcbst takes the store fault.
-----Original Message-----
From: Paul Mackerras [mailto:paulus@xxxxxxxxx]
Sent: Monday, August 28, 2006 9:35 PM
To: Kallol Biswas
Cc: linux-kernel@xxxxxxxxxxxxxxx; linuxppc-dev@xxxxxxxxxx; 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.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/