Date: Sun, 27 Dec 2015 17:06:06 -0600 From: Karl Denninger <karl@denninger.net> To: freebsd-arm@freebsd.org Subject: Re: fyi: 11.0-current rpi2 systat -vmstat shows around 24k interrupts for bcm283x_dw Message-ID: <56806EDE.9020806@denninger.net> In-Reply-To: <2D9BD203-03D8-4354-A335-8C43A11D1BB3@dsl-only.net> References: <0A781C7D-C5F5-4931-AE38-D2FEC0848DCA@dsl-only.net> <56806007.2000302@selasky.org> <2D9BD203-03D8-4354-A335-8C43A11D1BB3@dsl-only.net>
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On 12/27/2015 17:04, Mark Millard wrote:
>
> FYI (but probably unrelated?): I've not tracked anything down yet but I do periodically get messages like:
>
> Dec 27 07:31:56 rpi2 kernel: bcm_dma0: unused DMA intr CH=3, CS=20f10027
> Dec 27 07:39:24 rpi2 kernel: bcm_dma0: unused DMA intr CH=3, CS=20f10027
> Dec 27 07:41:02 rpi2 kernel: bcm_dma0: unused DMA intr CH=3, CS=20f10027
> Dec 27 07:43:51 rpi2 kernel: bcm_dma0: unused DMA intr CH=3, CS=20f10027
>
> (But I also go long times without such.)
>
> Note: I'm currently involved in experiments providing evidence about Bus Errors from software that misaligns pointer values and possibly from inappropriate/insufficient compiler options for the SCTLR bit[1]==1 status. clang++ is one of the programs getting Bus Errors.
>
>
I get those all the time too, and I thought they were related to the
audio going mute, but they're not related. There's a patch floating
around that gets rid of those, but since it didn't take care of the
audio problem and this doesn't appear to actually break anything I
didn't leave it in when I last updated the tree.
--
Karl Denninger
karl@denninger.net <mailto:karl@denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/
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