On Mon, Oct 28, 2013 at 01:44:04PM +0800, Jason Wang wrote:
> On 10/24/2013 07:20 AM, Fengguang Wu wrote:
> > Yes it reduces the sleeping function bug:
> >
> > /kernel/x86_64-lkp-CONFIG_SCSI_DEBUG/7c4ed2767afb813493b0a8fb18d666cd44550963
> >
> > +------------------------------------------------------------------------------------+-----------+--------------+--------------+
> > |
> > | v3.12-rc3 | 3ab098df35f8 | 7c4ed2767afb |
> > +------------------------------------------------------------------------------------+-----------+--------------+--------------+
> > | good_boots
> > | 30 | 0 | 93 |
> > | has_kernel_error_warning
> > | 0 | 20 | 7 |
> > | BUG:sleeping_function_called_from_invalid_context_at_kernel/mutex.c
> > | 0 | 20 | |
> > | INFO:rcu_sched_self-detected_stall_on_CPU(t=jiffies_g=c=q=)
> > | 0 | 0 | 1 |
> > | INFO:task_blocked_for_more_than_seconds
> > | 0 | 0 | 2 |
> > |
> > INFO:NMI_handler(arch_trigger_all_cpu_backtrace_handler)took_too_long_to_run:msecs
> > | 0 | 0 | 1 |
> > | Kernel_panic-not_syncing:hung_task:blocked_tasks
> > | 0 | 0 | 1 |
> > | BUG:kernel_test_crashed
> > | 0 | 0 | 3 |
> > | BUG:kernel_test_hang
> > | 0 | 0 | 1 |
> > +------------------------------------------------------------------------------------+-----------+--------------+--------------+
> >
> > However I'll need to increase tests on v3.12-rc3 to make sure it's not
> > the patch that added the other error messages.
> >
> > Thanks,
> > Fengguang
>
> Thanks, any more update on the result of v3.12-rc3 for this?
Yes, it's confirmed that there are no new error types in 7c4ed2767afb
comparing to v3.12-rc3, so your fix is fine.
/kernel/x86_64-lkp-CONFIG_SCSI_DEBUG/7c4ed2767afb813493b0a8fb18d666cd44550963
+------------------------------------------------------------------------------------+-----------+--------------+--------------+
|
| v3.12-rc3 | 3ab098df35f8 | 7c4ed2767afb |
+------------------------------------------------------------------------------------+-----------+--------------+--------------+
| good_boots
| 877 | 0 | 93 |
| has_kernel_error_warning
| 154 | 20 | 7 |
| BUG:kernel_test_hang
| 112 | 0 | 1 |
| INFO:rcu_sched_self-detected_stall_on_CPU(t=jiffies_g=c=q=)
| 1 | 0 | 1 |
| INFO:task_blocked_for_more_than_seconds
| 18 | 0 | 2 |
|
INFO:NMI_handler(arch_trigger_all_cpu_backtrace_handler)took_too_long_to_run:msecs
| 11 | 0 | 1 |
| Kernel_panic-not_syncing:hung_task:blocked_tasks
| 11 | 0 | 1 |
| BUG:kernel_test_crashed
| 13 | 0 | 3 |
| Out_of_memory:Kill_process
| 9 | | |
| BUG:kernel_early_hang_without_any_printk_output
| 1 | | |
| page_allocation_failure:order:,mode
| 1 | | |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes
| 2 | | |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/mutex.c
| 0 | 20 | |
+------------------------------------------------------------------------------------+-----------+--------------+--------------+
Thanks,
Fengguang
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