Date: Sat, 14 Jan 2017 22:16:03 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r312199 - head/sys/kern Message-ID: <201701142216.v0EMG3rN093070@repo.freebsd.org>
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Author: markj Date: Sat Jan 14 22:16:03 2017 New Revision: 312199 URL: https://svnweb.freebsd.org/changeset/base/312199 Log: Stop the scheduler upon panic even in non-SMP kernels. This is needed for kernel dumps to work, as the panicking thread will call into code that makes use of kernel locks. Reported and tested by: Eugene Grosbein MFC after: 1 week Modified: head/sys/kern/kern_shutdown.c Modified: head/sys/kern/kern_shutdown.c ============================================================================== --- head/sys/kern/kern_shutdown.c Sat Jan 14 22:16:01 2017 (r312198) +++ head/sys/kern/kern_shutdown.c Sat Jan 14 22:16:03 2017 (r312199) @@ -733,13 +733,13 @@ vpanic(const char *fmt, va_list ap) CPU_CLR(PCPU_GET(cpuid), &other_cpus); stop_cpus_hard(other_cpus); } +#endif /* * Ensure that the scheduler is stopped while panicking, even if panic * has been entered from kdb. */ td->td_stopsched = 1; -#endif bootopt = RB_AUTOBOOT; newpanic = 0;
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