Re: [PATCH] arm64: add dump_stack to show_regs

2017-03-23 Thread Mark Rutland
On Mon, Mar 20, 2017 at 09:05:04PM +0800, Kefeng Wang wrote: > > > On 2017/3/20 19:02, Mark Rutland wrote: > > On Sun, Mar 19, 2017 at 03:15:25PM +0800, Ding Tianhong wrote: > >> Recently I found that when the system trigger a soft lockup in interrupt, > >> there is only showing the regs, but no

Re: [PATCH] arm64: add dump_stack to show_regs

2017-03-20 Thread Kefeng Wang
On 2017/3/20 19:02, Mark Rutland wrote: > On Sun, Mar 19, 2017 at 03:15:25PM +0800, Ding Tianhong wrote: >> Recently I found that when the system trigger a soft lockup in interrupt, >> there is only showing the regs, but no stack trace, it is very difficult >> to locate the problem: >> >> ===

Re: [PATCH] arm64: add dump_stack to show_regs

2017-03-20 Thread Mark Rutland
On Sun, Mar 19, 2017 at 03:15:25PM +0800, Ding Tianhong wrote: > Recently I found that when the system trigger a soft lockup in interrupt, > there is only showing the regs, but no stack trace, it is very difficult > to locate the problem: > > === > > [10072

[PATCH] arm64: add dump_stack to show_regs

2017-03-19 Thread Ding Tianhong
Recently I found that when the system trigger a soft lockup in interrupt, there is only showing the regs, but no stack trace, it is very difficult to locate the problem: === [10072.999437] NMI watchdog: BUG: soft lockup - CPU#16 stuck for 23s! [ksoftirqd/1