Date: Sun, 2 Feb 2020 08:15:03 -0800 From: bob prohaska <fbsd@www.zefox.net> To: Ralf Wenk <iz-rpi03@hs-karlsruhe.de> Cc: Kyle Evans <kevans@freebsd.org>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, bob prohaska <fbsd@www.zefox.net> Subject: Re: panic: deadlres_td_sleep_q: possible deadlock detected on RPI3 Message-ID: <20200202161503.GA37965@www.zefox.net> In-Reply-To: <E1ixePn-0000RO-Ep@iz-wera-new.HS-Karlsruhe.DE> References: <20200123164419.GA81833@www.zefox.net> <20200125153229.GA3768@www.zefox.net> <E1ivfCl-0073zQ-M1@smtp.hs-karlsruhe.de> <20200126164211.GB7312@www.zefox.net> <20200130162055.GA21879@www.zefox.net> <E1ixVNL-0004Px-Be@iz-wera-new.HS-Karlsruhe.DE> <CACNAnaG=G-KSbd_d-XZtVpx01fC0m9h0n0JbMP2zSjcZWsgw4A@mail.gmail.com> <E1ixePn-0000RO-Ep@iz-wera-new.HS-Karlsruhe.DE>
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On Fri, Jan 31, 2020 at 11:05:27PM +0100, Ralf Wenk wrote: > > While writing this, I remembered that Bob Prohaskas 'five seconds per > "click"' did only happened on my RPi3 systems when some USB keyboards > are plugged in during boot. Never without a USB keyboard. It seems to > depend on the manufacturer and/or chip. Didn't had/have the spare time > to figure it out, but this may be a hint. > Confirmed here also. The machine had been consistent in the slow loader countdown with two different Dell keyboard/mouse combos, one using an internal hub (mouse plugged into keyboard hub) and one with each plugged separately into the Pi. With neither connected countdown rate is normal. There is, of course, always a serial console. Is there a workaround for the cpu_rest failed error other than pulling the plug? I tried "step" just to see what happens. The machine emitted one unprintable character and locked up tight. Thanks for writing! bob prohaska
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