On 2014-10-08 12:43:58 (+0530), Sagar Padhye <sgr.m.pdy@xxxxxxxxx> wrote: > I am new at kernel programming. I have written a driver for a custom > device, running on arm board. It works well (for last few months). I > happen to look at kernel logs and I seen, > > [231250.899146] WARNING: at kernel/workqueue.c:1953 process_one_work+0x398/0x52c() > You triggered a warning in the code. > The device is still working after this. No issues in operation. I am > just sceptical about analyzing this issue? Do I need to check more? If > yes how? with this trace? > Yes, this indicates a potential problem. You start my looking at line 1953 in kernel/workqueue.c, where you'll see which specific warning you're triggering. It's probably this one: > /* ensure we're on the correct CPU */ > WARN_ON_ONCE(!(pool->flags & POOL_DISASSOCIATED) && > raw_smp_processor_id() != pool->cpu); Regards, Kristof _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
