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From: Ying Xue <ying.xue@windriver.com>
To: Thomas Graf <tgraf@suug.ch>
Cc: <davem@davemloft.net>, <netdev@vger.kernel.org>
Subject: Re: [PATCH 0/6 net-next] rhashtable fixes
Date: Wed, 4 Feb 2015 10:32:36 +0800	[thread overview]
Message-ID: <54D184C4.4090501@windriver.com> (raw)
In-Reply-To: <20150203172113.GC25410@casper.infradead.org>

On 02/04/2015 01:21 AM, Thomas Graf wrote:
> On 01/30/15 at 05:56pm, Ying Xue wrote:
>> On 01/30/2015 05:29 PM, Thomas Graf wrote:
>>> Right, I see the same soft lockup. Interestingly I cannot trigger it
>>> with the rht test code. I can only trigger it with your Netlink socket
>>> creation stress test. It is definitely related to the deferred worker,
>>> when I disable growing, then the bug disappears.
>>
>> Yes, when I disable expansion, the soft lockup also disappears too.
> 
> I have found the last remaining race and can now run your test
> program successfully in an endless loop.
> 
> I will resubmit a v2 of this series.
> 
> 

Thanks! Once I receive your updates, I will test them again.

Regards,
Ying

      reply	other threads:[~2015-02-04  2:33 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-30  0:20 [PATCH 0/6 net-next] rhashtable fixes Thomas Graf
2015-01-30  0:20 ` [PATCH 1/6] rhashtable: key_hashfn() must return full hash value Thomas Graf
2015-01-30  0:20 ` [PATCH 2/6] rhashtable: Use a single bucket lock for sibling buckets Thomas Graf
2015-01-31  4:34   ` Herbert Xu
2015-01-31  8:41     ` Thomas Graf
2015-01-31  9:38       ` Herbert Xu
2015-01-31 12:50         ` Thomas Graf
2015-01-30  0:20 ` [PATCH 3/6] rhashtable: Wait for RCU readers after final unzip work Thomas Graf
2015-01-30  0:20 ` [PATCH 4/6] rhashtable: Dump bucket tables on locking violation under PROVE_LOCKING Thomas Graf
2015-01-30  0:20 ` [PATCH 5/6] rhashtable: Add more lock verification Thomas Graf
2015-01-30  0:20 ` [PATCH 6/6] rhashtable: Avoid bucket cross reference after removal Thomas Graf
2015-01-30  9:10 ` [PATCH 0/6 net-next] rhashtable fixes Ying Xue
2015-01-30  9:29   ` Thomas Graf
2015-01-30  9:56     ` Ying Xue
2015-02-03 17:21       ` Thomas Graf
2015-02-04  2:32         ` Ying Xue [this message]

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