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identity=mailfrom; envelope-from="ori@eigenstate.org"; 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-mx0.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Thu, 30 Apr 2020 12:30:03 -0400 (EDT) (envelope-from ori@eigenstate.org) Received: from abbatoir.fios-router.home (pool-162-83-132-245.nycmny.fios.verizon.net [162.83.132.245]) by mimir.eigenstate.org (OpenSMTPD) with ESMTPSA id 661d2307 (TLSv1.2:ECDHE-RSA-AES256-SHA:256:NO) for <9fans@9fans.net>; Thu, 30 Apr 2020 09:30:02 -0700 (PDT) Message-ID: <4DEE521904ACAA89152A46A6BDAD3997@eigenstate.org> To: 9fans@9fans.net Subject: Re: [9fans] 9front kernel panic on bootstrap on rpi Date: Thu, 30 Apr 2020 09:30:00 -0700 From: ori@eigenstate.org In-Reply-To: <56E8B6A3-F137-4570-84CA-63A0CB1F9A5B@me.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: de2ce458-8aff-11ea-a9da-a7630518495a > Hi folks, > After the mice problems I have on my rpi2 with 9front [1], I > decided to check if I can have an instance working on another > machine, i.e. an old rpi model A. I cannot get through the > boostrap process, the kernel panics. Thanks for the reports. Two things: 0) It's going to be very hard to debug this if you don't have a way to rebuild the software for testing. Getting net boot working (even from a VM) would make it much easier. 1) You're likely to get better results on the 9front mailing list. (9front@9front.org) Unfortunately, I have neither version of the rasperry pi, and the mouse model you have doens't seem to be available on Amazon any more, so I can't even try it out on the PC on my end. > I can provide more context and information, but first I > wanted to ask: am I picking a broken image? cpu% sha1sum 9front.pi.img ffb9f6569c7c239a58f0e6e508aac9d2418333af 9front.pi.img > [2] Again, as for the mice problme, the legacy miller > version works like a charm even on this rpi! >From what I understand, the difference there is that 9front will parse the HID descriptor, while 9legacy will hardcode the boot protocol. There are a number of places that this can be going wrong -- from bad HID descriptors to power brownouts to USB bugs. As far as booting: A picture of the panic message would help. As far as the mouse: First question -- does it work if you plug it into a PC? (You can test with a USB stick). If it fails there, then it's likely a problem with HID parsing. Second question: Does it work with a powered USB hub? If yes, then it's likely to be the Pi's power limitations. Third question: Does it work with a different mouse? If not, then it'll take more work to investigate.