From: Santosh Shilimkar <santosh.shilimkar@ti.com>
To: Alex Shi <alex.shi@linaro.org>, Tony Lindgren <tony@atomide.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
"naresh.kamboju@linaro.org Kamboju" <naresh.kamboju@linaro.org>,
Linaro Kernel <linaro-kernel@lists.linaro.org>,
LAK <linux-arm-kernel@lists.infradead.org>,
Mark Brown <broonie@linaro.org>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
Subject: Re: RCU stall on panda
Date: Thu, 22 May 2014 09:36:34 -0400 [thread overview]
Message-ID: <537DFD62.7040502@ti.com> (raw)
In-Reply-To: <537DBC81.2090809@linaro.org>
On Thursday 22 May 2014 04:59 AM, Alex Shi wrote:
> On 05/16/2014 09:37 PM, Santosh Shilimkar wrote:
>> On Friday 16 May 2014 03:41 AM, Alex Shi wrote:
>>> On 05/16/2014 02:36 AM, Santosh Shilimkar wrote:
>>>>>>>> yes.
>>>>>>>> My board is panda ES. without this revert, it works.
>>>>>>
>>>>>> Care to specify what linux version you are testing against?
>>>>>>
>>>>>> Does it hang in idle always immediately on booting?
>>>>>>
>>>>>> Or does the serial console first hang with sysrq still
>>>>>> working (ctrl-a h in minicom for help) with device
>>>>>> eventually locking up hard?
>>>>>>
>>>> I just posted an updated patch Alex on other thread.
>>>> Attaching here again for your reference. Please try
>>>> it out and see if the you still get a hang.
>>>
>>> it does not hang this time.
>>>
>> This is good news and exactly what I expected.
>>
>>> but I am not sure it can solve my problem, since RCU stall is not easy
>>> to reproduce in short time.
>>>
>> You may want to run the system longer if you can. I suspect the RCU stall
>> was also side effect of missing interrupts.
>
> Sure. it do remove the RCU stall on my panda board.
>
Thanks for confirming. Tony already send fix upstream so it should
show up in next rc mostly
WARNING: multiple messages have this Message-ID (diff)
From: santosh.shilimkar@ti.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: RCU stall on panda
Date: Thu, 22 May 2014 09:36:34 -0400 [thread overview]
Message-ID: <537DFD62.7040502@ti.com> (raw)
In-Reply-To: <537DBC81.2090809@linaro.org>
On Thursday 22 May 2014 04:59 AM, Alex Shi wrote:
> On 05/16/2014 09:37 PM, Santosh Shilimkar wrote:
>> On Friday 16 May 2014 03:41 AM, Alex Shi wrote:
>>> On 05/16/2014 02:36 AM, Santosh Shilimkar wrote:
>>>>>>>> yes.
>>>>>>>> My board is panda ES. without this revert, it works.
>>>>>>
>>>>>> Care to specify what linux version you are testing against?
>>>>>>
>>>>>> Does it hang in idle always immediately on booting?
>>>>>>
>>>>>> Or does the serial console first hang with sysrq still
>>>>>> working (ctrl-a h in minicom for help) with device
>>>>>> eventually locking up hard?
>>>>>>
>>>> I just posted an updated patch Alex on other thread.
>>>> Attaching here again for your reference. Please try
>>>> it out and see if the you still get a hang.
>>>
>>> it does not hang this time.
>>>
>> This is good news and exactly what I expected.
>>
>>> but I am not sure it can solve my problem, since RCU stall is not easy
>>> to reproduce in short time.
>>>
>> You may want to run the system longer if you can. I suspect the RCU stall
>> was also side effect of missing interrupts.
>
> Sure. it do remove the RCU stall on my panda board.
>
Thanks for confirming. Tony already send fix upstream so it should
show up in next rc mostly
next prev parent reply other threads:[~2014-05-22 13:37 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-05 9:39 RCU stall on panda Alex Shi
2014-05-05 18:06 ` Paul E. McKenney
2014-05-12 21:21 ` Tony Lindgren
2014-05-12 21:21 ` Tony Lindgren
2014-05-13 6:36 ` Alex Shi
2014-05-13 6:36 ` Alex Shi
2014-05-13 15:32 ` Tony Lindgren
2014-05-13 15:32 ` Tony Lindgren
2014-05-15 8:44 ` Alex Shi
2014-05-15 8:44 ` Alex Shi
2014-05-15 9:05 ` Daniel Lezcano
2014-05-15 9:05 ` Daniel Lezcano
2014-05-15 13:26 ` Alex Shi
2014-05-15 13:26 ` Alex Shi
2014-05-15 18:32 ` Tony Lindgren
2014-05-15 18:32 ` Tony Lindgren
2014-05-15 18:36 ` Santosh Shilimkar
2014-05-15 18:36 ` Santosh Shilimkar
2014-05-16 7:41 ` Alex Shi
2014-05-16 7:41 ` Alex Shi
2014-05-16 13:37 ` Santosh Shilimkar
2014-05-16 13:37 ` Santosh Shilimkar
2014-05-22 8:59 ` Alex Shi
2014-05-22 8:59 ` Alex Shi
2014-05-22 13:36 ` Santosh Shilimkar [this message]
2014-05-22 13:36 ` Santosh Shilimkar
-- strict thread matches above, loose matches on Subject: below --
2014-05-05 9:38 Alex Shi
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