Date: Fri, 22 Jun 2012 18:55:08 -0700 From: "mnln.l4" <mnln.l4@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: Kernel panic at early boot time Message-ID: <CALOP8J-S=pJWsNVoYSdgN%2BabAN07_fxqTJohFFeM%2BsSrg-cEZg@mail.gmail.com> In-Reply-To: <201206190754.03765.jhb@freebsd.org> References: <CALOP8J-2dEkFmmYS8u4sJSaPTbSssYeYxnfqc6N1AMdv88kz3Q@mail.gmail.com> <201206190754.03765.jhb@freebsd.org>
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Thanks for explaining the cause! On Tue, Jun 19, 2012 at 4:54 AM, John Baldwin <jhb@freebsd.org> wrote: > On Sunday, June 17, 2012 2:35:14 pm mnln.l4 wrote: > > I get a kernel panic at early boot time on 9.0-stable (r237150), GENERIC, > > AMD64. > > > > Repro step: > > 1. Boot, wait for welcome screen. > > 2. Repeat pressing Enter key rapidly (so kernel is loading, don't stop > > pressing Enter key). > > 3. See the following message at early boot > > So don't do that. All your key presses are triggering SMI# events that are > interfering with the AP's ability to respond to its startup IPI. There is > nothing we can do about this in the OS. > > -- > John Baldwin >
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