Lines Matching refs:kernel

5 The Linux kernel can act as a watchdog to detect both soft and hard
8 A 'softlockup' is defined as a bug that causes the kernel to loop in
9 kernel mode for more than 20 seconds (see "Implementation" below for
12 will stay locked up. Alternatively, the kernel can be configured to
13 panic; a sysctl, "kernel.softlockup_panic", a kernel parameter,
14 "softlockup_panic" (see "Documentation/kernel-parameters.txt" for
19 kernel mode for more than 10 seconds (see "Implementation" below for
25 and a kernel parameter, "nmi_watchdog"
26 (see "Documentation/kernel-parameters.txt" for details).
29 timeout is set through the confusingly named "kernel.panic" sysctl),
46 generate a kernel warning or call panic, depending on the
49 The watchdog task is a high priority kernel thread that updates a
55 other kernel code.
61 As explained above, a kernel knob is provided that allows
67 kernel configured with NO_HZ_FULL, by default the watchdog runs only
72 from protecting the user code on those cores from the kernel.
74 when those cores do enter the kernel, by default we will not be
80 may be adjusted via the kernel.watchdog_cpumask sysctl.  For
82 kernel seems to be hanging on the nohz_full cores.