https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225036
Bug ID: 225036
Summary: [kern] system does not reboot after panic, hangs
Product: Base System
Version: CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Overview:
upon a kernel panic, the kernel prints the stack trace and the text "Uptime:
..." but does not proceed to reboot.
This is a regression since sometime in early December 2017.
Steps to reproduce:
- set up software watchdog, let watchdog timeout expire, or
- sysctl -w kern.kdb.panic=1
Actual results:
- text "panic: ..."
- stack trace
- text "Uptime: ..."
- no text printed on console after that
Expected result:
- text "Uptime: ..."
- subsystem shutdown
- text "Reboot ..."
- actual reboot
Build info:
FreeBSD kenax 12.0-CURRENT FreeBSD 12.0-CURRENT #3 r327725 amd64
kernel configuration:
include GENERIC
ident KENAX
options KDB_UNATTENDED
options SW_WATCHDOG
nooptions INVARIANTS
nooptions INVARIANT_SUPPORT
nooptions WITNESS
nooptions WITNESS_SKIPSPIN
nooptions BUF_TRACKING
nooptions DEADLKRES
nooptions FULL_BUF_TRACKING
Issue did not occur on at least r323185, and possibly later kernels in early
december.
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