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helo=mimir.eigenstate.org; client-ip=206.124.132.107 Received: from mimir.eigenstate.org (mimir.eigenstate.org [206.124.132.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx1.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Thu, 11 Mar 2021 10:07:27 -0500 (EST) (envelope-from ori@eigenstate.org) Received: from abbatoir.fios-router.home (pool-108-41-92-79.nycmny.fios.verizon.net [108.41.92.79]) by mimir.eigenstate.org (OpenSMTPD) with ESMTPSA id e8482521 (TLSv1.2:ECDHE-RSA-AES256-SHA:256:NO) for <9fans@9fans.net>; Thu, 11 Mar 2021 07:07:25 -0800 (PST) Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable To: 9fans@9fans.net Subject: Re: [9fans] Fwd: NFS suicide on RPi3 and RPi4 9front, but works on RMiller's Plan9. Date: Thu, 11 Mar 2021 07:07:24 -0800 From: ori@eigenstate.org In-Reply-To: <10F5F68E-B664-43CF-B4F6-E2318B5BEC80@gmail.com> MIME-Version: 1.0 Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 81682d6c-827b-11eb-b193-be0ebe6340a4 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UOTk1ZWMyMjMwZDE2YmQwYi1NMTNjZDEwMzRlYWU4Y2UzMTVkN2E3?= =?UTF-8?B?OGViPg==?= 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:M13cd1034eae8ce315d7a78eb:1:NXdyRHXkyiPYJ9vkOu0Z70Bb4PqQ0FwoLmvZIV9LWDk Quoth Shiro : > Hello, >=20 > I=E2=80=99m not sure I=E2=80=99m reporting to the appropriate place. Ple= ase advise. And apologies in advance if I=E2=80=99m spamming this group. >=20 This is fine, but 9front@9front.org is probably better for 9front specific questions. As far as uploading information -- 9front ships with webpaste, so it's easy to get text uploaded, which would let people copy values. > Photo 3: acid is pointing to line 431. From above, n is too large > to be a strlen. I suspect it actually failed in memmove(), but > I=E2=80=99m not sure =E2=80=94 I=E2=80=99ve only got 2 months on Plan9/9f= ront and this is > the first time I do acid. Acid just shows whole words, so you're seeing 64 bits of a 32 bit value. If you look closely, you'll actually notice that the top bits in 'n' are also the bottom bits of 'dat' It's a bit unfortunate, you either have to tell acid how to format the type, or you have to know that you just need to ignore the top bits. Anyawys, the faulting address is addr=3D0x100061fa0 pc=3D37930 Which shows up in R4. Given that *almost* the same addresses (0x61fa0) in the other registers. It looks like it could be stack corruption. Is this easy to reproduce? Are you using the binary from the last release, or is it your own build? ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T995ec2230d16bd0b-M13cd1= 034eae8ce315d7a78eb Delivery options: https://9fans.topicbox.com/groups/9fans/subscription