Date: Sat, 17 Feb 2018 16:04:56 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Warner Losh <imp@bsdimp.com> Cc: Warner Losh <imp@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: panic in daprobedone: Unholding 4 with cnt = 0 Message-ID: <56adf14f-54d0-2669-cb12-139f06a370b5@selasky.org> In-Reply-To: <CANCZdfq7w%2BsTQQwRRya0kKfEwZTpmApB4jNCEZhP=93gcvzckg@mail.gmail.com> References: <fc0dc6c5-2ef4-db6b-cfa8-7868144ba6ab@selasky.org> <CANCZdfq7w%2BsTQQwRRya0kKfEwZTpmApB4jNCEZhP=93gcvzckg@mail.gmail.com>
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On 02/17/18 15:47, Warner Losh wrote: > That's interesting. What did you do to get there? There's some code path > that's unholding the periph without first holding it. I've been trying to > find a scenario. > I just booted into single user mode with a multi-card USB reader attached. Seems like some kind of race. Doesn't happen during normal boot. --HPS
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