Fwd: [BUGS] BUG #13900: stop standby failed with writer process hang(happen 3 times in 2 days)

[Konstantin Belousov]

On Sun, Jan 31, 2016 at 11:27:56PM +0800, Jov wrote:
> root at fb:~ # procstat -kk 979
>   PID    TID COMM             TDNAME           KSTACK
> 
>   979 100688 postgres         -                mi_switch+0xe1
> sleepq_timedwait_sig+0x8b _cv_timedwait_sig_sbt+0x18b seltdwait+0xa4
> kern_poll+0x464 sys_poll+0x61 amd64_syscall+0x357 Xfast_syscall+0xfb
> 
Show me 'ps axlHww | grep 979' output.