Date: Wed, 21 Mar 2018 22:42:19 -0400 From: Hyun Hwang <hyun@caffeinated.codes> To: "Hartmann, O." <ohartmann@walstatt.org> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: CURRENT r331284: crashing with USB Message-ID: <1521686539.3047757.1311778784.3E60E604@webmail.messagingengine.com> In-Reply-To: <20180321120710.4eb3b944@hermann> References: <20180321120710.4eb3b944@hermann>
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On Wednesday, March 21, 2018, 12:07 PM (UTC+0100), "Hartmann, O." <ohartmann@walstatt.org> wrote: > Hello. > > Incident: CURRENT r331284 can be brought down reliably with an USB > flash drive plugged in and out without mounting or doing anything with > it. > > [...] > > Does anyone else observe this bug? > Can confirm: whenever I plug my Transcend USB microSD reader into my builder (amd64, r331284), the kernel does attach da0 then immediately panics and falls down to `db>` prompt. > I can plugin the USB and then unplug it and after two or three times doing this, the box goes down. I did not even have to plug-unplug the reader three times; plug the reader in and bam! immediate panic. AFAIK, r331115 did not have this issue because I was able to update my RPi 2 with the very reader from the very builder. I managed to salvage kernel binary dump; in case the dump is needed, please let me know. -- Hyun Hwang
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