Re: [BUG] RCU stall in cursor_timer_handler

2015-10-08 Thread Alistair Popple
Hi Scot, On Sat, 3 Oct 2015 05:12:15 Scot Doyle wrote: > On Sat, 3 Oct 2015, Alistair Popple wrote: > > Hi, > > > > We have been intermittently seeing the below RCU stall at boot on a > > PPC64LE 4.2.1 kernel which has been preventing the system from booting. > > Further investigation indicates

Re: [BUG] RCU stall in cursor_timer_handler

2015-10-02 Thread Scot Doyle
On Sat, 3 Oct 2015, Alistair Popple wrote: > Hi, > > We have been intermittently seeing the below RCU stall at boot on a > PPC64LE 4.2.1 kernel which has been preventing the system from booting. > Further investigation indicates that ops->cur_blink_jiffies is > potentially being used uninitialis

[BUG] RCU stall in cursor_timer_handler

2015-10-02 Thread Alistair Popple
Hi, We have been intermittently seeing the below RCU stall at boot on a PPC64LE 4.2.1 kernel which has been preventing the system from booting. Further investigation indicates that ops->cur_blink_jiffies is potentially being used uninitialised in cursor_timer_handler(): static void cursor_tim