Date: Wed, 17 Aug 2022 16:03:37 -0700 From: John Kennedy <warlock@phouka.net> To: Marek Soudny <soumar@soudny.net> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: kernel: Fatal data abort - issue on rpi4 Message-ID: <Yv1zyQob9Q0aHLm%2B@phouka1.phouka.net> In-Reply-To: <15b7779f-db37-efd7-69ba-378636b93017@soudny.net> References: <15b7779f-db37-efd7-69ba-378636b93017@soudny.net>
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On Wed, Aug 17, 2022 at 11:10:30AM +0200, Marek Soudny wrote: > Hello, > > I am quite new to arm/aarch64. I recently purchased rpi4, burned an > sdcard image and have been trying to run it. Time to time (but actually > quite often) the box becomes unresponsive. I can not ping it, neither > ssh into it. I am running fbsd 13.1-release. When I was doing a lot of SDcard work pre-RPI4, I was almostly exclusively using SanDisk (Ultra) cards. I was looking for robust cards with high transfer speed. Once USB became an option, I pretty only much booted off them when I was forced to. I'm not knocking SD cards to much here, but they're tiny and I put mine through a LOT of disk I/O. Even with wear leveling, without a lot of space to level over I can't be doing that thing a lot of favors. Depending on how your cooling thermals are, you could be torturing that poor thing. Hanging a space-big USB disk off that thing seemed like a big win in a lot of ways. Again, depends on your use. > Does it sound familiar? Am I doing something wrong? As it's currently > not stable, I can perform any tests with it, if required. I actually > found a similar issue > https://forums.freebsd.org/threads/fatal-kernel-mode-data-abort-every-2-3-boots-on-raspberry-pi-b.49066/ > - do you think it's an sdcard issue? If so, is there a recommended list > for purchase new ones? Well, I think your link looks much more like a disk (deiver) issue, where yours looked more like some kind of register dump to me without a stack trace and some of the trappings from that image. If it's easy, I'd try USB. Probably bigger, faster, cheaper, and for a test you may just have something laying around idle (plus it may help rule out some physical issue with the SD card slot). If it works, then that points to a problematic card. If not, something else.
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