Date: Tue, 3 Apr 2018 00:35:35 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: markk@knigma.org, freebsd-stable@freebsd.org Subject: Re: FreeBSD 10.4 kernel breaks on i7-7700 / PRIME H270M-PLUS Message-ID: <5AC269E7.6030100@grosbein.net> In-Reply-To: <827319fc-b634-c0aa-063b-6e4a0ade8163@knigma.org> References: <f27aec4a-2b9d-4722-df7b-afb01b90f098@knigma.org> <5AC1C628.6030309@grosbein.net> <3c184bf8-8651-22a7-a040-8260b44647da@knigma.org> <5AC233B2.2050805@grosbein.net> <827319fc-b634-c0aa-063b-6e4a0ade8163@knigma.org>
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02.04.2018 23:41, Mark Knight пишет: > On 02/04/2018 14:44, Eugene Grosbein wrote: >> 3. Boot new kernel using nextboot(8) and see if it will crash instead of deadlock >> and if so, fill the PR to Bugzilla. > > Thanks again. Drat, no crash. The only difference was a few new errors during the boot - which I'm assuming are unrelated. Add to /etc/sysctl.conf: debug.kdb.break_to_debugger=1 Use such debugging kernel to drop to the debugger when deadlock occurs using Ctr-Alt-ESC and type "call doadump", you should get crashdump anyway. Then use "reboot" or just power cycle to get crashdump stored to /var/crash. Then fill a PR and reply with the number.
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