From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from cmo-0000.xspmail.jp ([202.238.198.167]) by ewsd; Fri May  8 00:44:27 EDT 2020
Received: from cmr-0002.xspmail.jp ([202.238.198.119])
	by cmo with ESMTP
	id WuqOjiLmueKiSWus5jkjQh; Fri, 08 May 2020 13:44:25 +0900
Received: from pi4.jitaku.localdomain ([180.147.121.81])
	by cmr with ESMTPA
	id Wus4jLE4fZdRNWus5jjslA; Fri, 08 May 2020 13:44:25 +0900
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hera.eonet.ne.jp;
	s=x01; t=1588913065; i=kokamoto@hera.eonet.ne.jp;
	bh=ZoeSGK+dgyh5ct9u2T16QykgYF5BI84KfZ0kGt8+qtE=;
	h=To:Subject:Date:From:In-Reply-To;
	b=rbb4/VAT+LYdn5HOceyJylMIiFKWNYYGv8y5Uj8PUG1LnaPd0hT5/Mr4DhMAmV1JB
	 HlWQuSYoiuRh5YI9jHl7q4MXeysAWqkXCfMDE4En9LxSH11Mz1cEGnA9vuL6UKK6RF
	 A+f4P1SqIxdxf7xXxgOUrp2F+hQ8VPslqSoIitIONZtJgK7LgZSgvplRs9LPUXBYyg
	 /YSxI5tUnWBCipkHxZ8ccU4NnRAW/K2pn6/4cCKkfkD8AivILEZt7nKTgnGyjxCtxT
	 M6g4BXT3YgSXYCov1gSGxJSW4xR7UcWXnKRK5U7Fg1UV8q1PJgs+vF7E5aNzR13zcp
	 KANrtuMFojO9g==
Message-ID: <999FCE0B4A57CB652AED7394A6EECFE2@hera.eonet.ne.jp>
To: 9front@9front.org
Subject: Re: [9front] rpi4 shoots to 100% load and is unresponsive
Date: Fri, 8 May 2020 13:44:23 +0900
From: kokamoto@hera.eonet.ne.jp
In-Reply-To: <26EEB8EE672AA7EF384006C17879BB64@felloff.net>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
List-ID: <9front.9front.org>
List-Help: <http://lists.9front.org>
X-Glyph: ➈
X-Bullshit: element STM-aware locator 

It seems that my problem was also solved by this patch.
A copy of large sized file from 9front file server didn't make problem.

I'm now writing this mail from that rpi4 after file copy test.

Kenji

> ok, fixed.
> 
> changeset:   7743:d5c12553e04b
> user:        cinap_lenrek@felloff.net
> date:        Thu May 07 23:27:27 2020 +0200
> summary:     bcm64: fix kernels cmpswap() function
> 
> diff -r 07fadec60b37 -r d5c12553e04b sys/src/9/bcm64/l.s
> --- a/sys/src/9/bcm64/l.s	Mon May 04 11:57:24 2020 +0200
> +++ b/sys/src/9/bcm64/l.s	Thu May 07 23:27:27 2020 +0200
> @@ -229,8 +229,8 @@
>  
>  TEXT cas(SB), 1, $-4
>  TEXT cmpswap(SB), 1, $-4
> -	MOVW	ov+8(FP), R1
> -	MOVW	nv+16(FP), R2
> +	MOVWU	ov+8(FP), R1
> +	MOVWU	nv+16(FP), R2
>  _cas1:
>  	LDXRW	(R0), R3
>  	CMP	R3, R1
> 
> --
> cinap