On Thu, Sep 27, 2018 at 7:50 PM, Cong Wang wrote:
> On Thu, Sep 27, 2018 at 1:11 AM Dmitry Vyukov wrote:
>>
>> Would a stack trace for call_rcu be helpful here? I have this idea for
>> a long time, but never get around to implementing it:
>> https://bugzilla.kernel.org/show_bug.cgi?id=198437
>
>
On Thu, Sep 27, 2018 at 1:11 AM Dmitry Vyukov wrote:
>
> Would a stack trace for call_rcu be helpful here? I have this idea for
> a long time, but never get around to implementing it:
> https://bugzilla.kernel.org/show_bug.cgi?id=198437
Yes. Generally speaking, showing backtrace of call_rcu()
or
On Thu, Sep 27, 2018 at 3:24 PM, Eric Dumazet wrote:
> On 09/27/2018 06:02 AM, Dmitry Vyukov wrote:
>
>> I am not suggesting to commit this. This is just a hack for debugging.
>> It in fact lead to some warnings, but still allowed me to reproduce
>> the bug reliably.
>>
>
> Had you got more meanin
On 09/27/2018 06:02 AM, Dmitry Vyukov wrote:
> I am not suggesting to commit this. This is just a hack for debugging.
> It in fact lead to some warnings, but still allowed me to reproduce
> the bug reliably.
>
Had you got more meaningful stack traces ?
(Showing which context was actually doi
On Thu, Sep 27, 2018 at 3:00 PM, Eric Dumazet wrote:
>
>
> On 09/27/2018 01:10 AM, Dmitry Vyukov wrote:
>
>>
>> Would a stack trace for call_rcu be helpful here? I have this idea for
>> a long time, but never get around to implementing it:
>> https://bugzilla.kernel.org/show_bug.cgi?id=198437
>>
>
On 09/27/2018 01:10 AM, Dmitry Vyukov wrote:
>
> Would a stack trace for call_rcu be helpful here? I have this idea for
> a long time, but never get around to implementing it:
> https://bugzilla.kernel.org/show_bug.cgi?id=198437
>
> Also FWIW I recently used the following hack for another net
