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identity=mailfrom; envelope-from="miller@hamnavoe.com"; helo=balrog.mythic-beasts.com; client-ip=46.235.227.24 Received: from balrog.mythic-beasts.com (balrog.mythic-beasts.com [46.235.227.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx0.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Mon, 25 Oct 2021 07:04:41 -0400 (EDT) (envelope-from miller@hamnavoe.com) Received: from [88.97.27.83] (port=34353 helo=hamnavoe.com) by balrog.mythic-beasts.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.92.3) (envelope-from ) id 1mexmO-0003KA-6m for 9fans@9fans.net; Mon, 25 Oct 2021 12:04:40 +0100 Message-ID: <7afecf395b8acc0b6c878c87f31145a9@hamnavoe.com> To: 9fans@9fans.net Subject: Re: [9fans] v9fs vs mmap (not quite SOLVED) From: Richard Miller <9fans@hamnavoe.com> Date: Mon, 25 Oct 2021 12:04:34 +0100 In-Reply-To: <32aabedb4368772dd5c606c66db01409@hamnavoe.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BlackCat-Spam-Score: 1 Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 5db45538-3583-11ec-a03b-b7c3e700af3d Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UYjA2NWY0ZGY2N2E4YmFiOS1NMjE5NjJkM2U2Y2MxYjFhYjQ3MmI1?= =?UTF-8?B?NzAwPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M21962d3e6cc1b1ab472b5700:1:fScI73Lh1phH-0ENJeuiShQbOva-m5i1-SMtama_ONI > adding 'cache=3Dmmap' to the mount options > makes it work beautifully! Not quite beautifully, it turns out. The build proceeds a lot further, but ends with a memory fault as reported below. Can anyone suggest other mount options I should tweak? $ GOOS=3Dplan9 GOARCH=3D386 GOROOT_BOOTSTRAP=3D/usr/lib/go GOROOT_FINAL=3D/= sys/lib/go1.17 ./make.bash Building Go cmd/dist using /usr/lib/go. (go1.7.4 linux/amd64) Building Go toolchain1 using /usr/lib/go. Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1. Building Go toolchain2 using go_bootstrap and Go toolchain1. Building Go toolchain3 using go_bootstrap and Go toolchain2. Building packages and commands for host, linux/amd64. # cmd/vendor/github.com/google/pprof/third_party/d3 unexpected fault address 0x607c60 fatal error: fault [signal SIGBUS: bus error code=3D0x2 addr=3D0x607c60 pc=3D0x607c60] goroutine 1 [running]: runtime.throw({0xce1702, 0xc00008d870}) /sys/lib/go1.17/src/runtime/panic.go:1198 +0x71 fp=3D0xc00008d828 s= p=3D0xc00008d7f8 pc=3D0x435331 runtime.sigpanic() /sys/lib/go1.17/src/runtime/signal_unix.go:732 +0x125 fp=3D0xc00008= d878 sp=3D0xc00008d828 pc=3D0x44b325 cmd/compile/internal/typecheck.(*iexporter).pushDecl(0xc6e9c0, 0xc0000a2120) /sys/lib/go1.17/src/cmd/compile/internal/typecheck/iexport.go:403 f= p=3D0xc00008d880 sp=3D0xc00008d878 pc=3D0x607c60 cmd/compile/internal/typecheck.WriteExports(0xc0000b4000) /sys/lib/go1.17/src/cmd/compile/internal/typecheck/iexport.go:272 += 0x254 fp=3D0xc00008da58 sp=3D0xc00008d880 pc=3D0x606f34 cmd/compile/internal/gc.dumpexport(0xc0000ae010) /sys/lib/go1.17/src/cmd/compile/internal/gc/export.go:39 +0x1d5 fp= =3D0xc00008dba0 sp=3D0xc00008da58 pc=3D0xc02d55 cmd/compile/internal/gc.dumpCompilerObj(0xc0000ae010) /sys/lib/go1.17/src/cmd/compile/internal/gc/obj.go:106 +0x28 fp=3D0= xc00008dbc0 sp=3D0xc00008dba0 pc=3D0xc05748 cmd/compile/internal/gc.dumpobj1({0x7fffdfeb7fde, 0x23}, 0x3) /sys/lib/go1.17/src/cmd/compile/internal/gc/obj.go:62 +0x178 fp=3D0= xc00008dc70 sp=3D0xc00008dbc0 pc=3D0xc051d8 cmd/compile/internal/gc.dumpobj() /sys/lib/go1.17/src/cmd/compile/internal/gc/obj.go:43 +0x36 fp=3D0x= c00008dc98 sp=3D0xc00008dc70 pc=3D0xc04ff6 cmd/compile/internal/gc.Main(0xd16458) /sys/lib/go1.17/src/cmd/compile/internal/gc/main.go:307 +0x105b fp= =3D0xc00008df20 sp=3D0xc00008dc98 pc=3D0xc0495b main.main() /sys/lib/go1.17/src/cmd/compile/main.go:55 +0xdd fp=3D0xc00008df80 = sp=3D0xc00008df20 pc=3D0xc26d9d runtime.main() /sys/lib/go1.17/src/runtime/proc.go:255 +0x227 fp=3D0xc00008dfe0 sp= =3D0xc00008df80 pc=3D0x437a07 runtime.goexit() /sys/lib/go1.17/src/runtime/asm_amd64.s:1581 +0x1 fp=3D0xc00008dfe8= sp=3D0xc00008dfe0 pc=3D0x466f81 go tool dist: FAILED: /mnt/sys/lib/go1.17/pkg/tool/linux_amd64/go_bootstrap= install -gcflags=3Dall=3D -ldflags=3Dall=3D std cmd: exit status 2 ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tb065f4df67a8bab9-M21962= d3e6cc1b1ab472b5700 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription