Re: [PATCH v2] kernel/trace: fix watchdog soft lockup

2019-03-20 Thread Anders Roxell
On Fri, 30 Nov 2018 at 16:18, Steven Rostedt wrote: > > On Fri, 30 Nov 2018 15:56:22 +0100 > Anders Roxell wrote: > > > When building a allmodconfig kernel for arm64 and boot that in qemu, > > CONFIG_FTRACE_STARTUP_TEST gets enabled and that takes time so the > > watchdog expires and prints out a

Re: [PATCH v2] kernel/trace: fix watchdog soft lockup

2018-11-30 Thread Steven Rostedt
On Fri, 30 Nov 2018 15:56:22 +0100 Anders Roxell wrote: > When building a allmodconfig kernel for arm64 and boot that in qemu, > CONFIG_FTRACE_STARTUP_TEST gets enabled and that takes time so the > watchdog expires and prints out a message like this: > 'watchdog: BUG: soft lockup - CPU#0 stuck fo

[PATCH v2] kernel/trace: fix watchdog soft lockup

2018-11-30 Thread Anders Roxell
When building a allmodconfig kernel for arm64 and boot that in qemu, CONFIG_FTRACE_STARTUP_TEST gets enabled and that takes time so the watchdog expires and prints out a message like this: 'watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:1]' Depending on what the what test gets called