From: Ferruh Yigit <ferruh.yigit@intel.com>
To: wangyunjian <wangyunjian@huawei.com>, dev@dpdk.org
Cc: keith.wiles@intel.com, jerry.lilijun@huawei.com,
xudingke@huawei.com, stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] net/tap: fix unexpected link handler
Date: Thu, 16 Apr 2020 16:06:34 +0100 [thread overview]
Message-ID: <badc8d4b-0892-b981-0f08-c823ee2bbba1@intel.com> (raw)
In-Reply-To: <1587045052-16708-1-git-send-email-wangyunjian@huawei.com>
On 4/16/2020 2:50 PM, wangyunjian wrote:
> From: Yunjian Wang <wangyunjian@huawei.com>
>
> The nic's interrupt source has some active handler, which maybe call
> tap_dev_intr_handler() to set link handler. We should cancel the link
> handler before close fd to prevent executing the link handler. It
> triggers segfault.
>
> Call Trace:
> 0x00007f15e08dad99 in __rte_panic (Error adding fd %d epoll_ctl, %s\n")
> 0x00007f15e08e9b87 in eal_intr_thread_main ()
> 0x00007f15e249be15 in start_thread ()
> 0x00007f15d5322f9d in clone ()
>
> Fixes: c0bddd3a057f ("net/tap: add link status notification")
> CC: stable@dpdk.org
>
> Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
Applied to dpdk-next-net/master, thanks.
prev parent reply other threads:[~2020-04-16 15:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-16 13:50 [dpdk-dev] [PATCH] net/tap: fix unexpected link handler wangyunjian
2020-04-16 15:06 ` Ferruh Yigit [this message]
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