linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: alex.shi@linaro.org (Alex Shi)
To: linux-arm-kernel@lists.infradead.org
Subject: RCU stall on panda
Date: Thu, 22 May 2014 16:59:45 +0800	[thread overview]
Message-ID: <537DBC81.2090809@linaro.org> (raw)
In-Reply-To: <537614AF.50100@ti.com>

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.

> 
> Regards,
> Santosh
> 


-- 
Thanks
    Alex

  reply	other threads:[~2014-05-22  8:59 UTC|newest]

Thread overview: 15+ 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
2014-05-13  6:36     ` Alex Shi
2014-05-13 15:32       ` Tony Lindgren
2014-05-15  8:44         ` Alex Shi
2014-05-15  9:05           ` Daniel Lezcano
2014-05-15 13:26             ` Alex Shi
2014-05-15 18:32               ` Tony Lindgren
2014-05-15 18:36                 ` Santosh Shilimkar
2014-05-16  7:41                   ` Alex Shi
2014-05-16 13:37                     ` Santosh Shilimkar
2014-05-22  8:59                       ` Alex Shi [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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=537DBC81.2090809@linaro.org \
    --to=alex.shi@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).