Date: Wed, 21 Mar 2018 23:17:39 -0600 From: Warner Losh <imp@bsdimp.com> To: Hyun Hwang <hyun@caffeinated.codes> Cc: "Hartmann, O." <ohartmann@walstatt.org>, FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: CURRENT r331284: crashing with USB Message-ID: <CANCZdfoMv_ZwGrZK3n8arLLUEM0hv2OqA%2BSeT6oJiN2%2BKZ0qzA@mail.gmail.com> In-Reply-To: <1521686539.3047757.1311778784.3E60E604@webmail.messagingengine.com> References: <20180321120710.4eb3b944@hermann> <1521686539.3047757.1311778784.3E60E604@webmail.messagingengine.com>
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On Wed, Mar 21, 2018 at 8:42 PM, Hyun Hwang <hyun@caffeinated.codes> wrote: > 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. > Do you have a traceback? Warner > > 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 > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >
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