From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [dpdk-dev] [Bug 611] deadlock in example vdpa app
Date: Tue, 12 Jan 2021 12:41:52 +0000 [thread overview]
Message-ID: <bug-611-3@http.bugs.dpdk.org/> (raw)
https://bugs.dpdk.org/show_bug.cgi?id=611
Bug ID: 611
Summary: deadlock in example vdpa app
Product: DPDK
Version: 20.08
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: examples
Assignee: dev@dpdk.org
Reporter: xianghao3@jd.com
Target Milestone: ---
Recently we see a deadlock in vdpa example app if SIGTERM signal is sent at
early start stage.After debuging, we suspect it's due to vhost_user.mutex is
requested twice,once by start sequence start_vdpa(), the other by SIGTERM
signal handler which calling close_vdpa().
Also checked other example apps, seems they all have same issue.
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