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[51.6.142.41]) by smtp.gmail.com with ESMTPSA id j15sm24206507wrp.9.2020.02.25.04.10.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Feb 2020 04:10:51 -0800 (PST) X-Inumbo-ID: ddeed0e8-57c7-11ea-92e4-12813bfff9fa X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=QyABrfa1WXTfNKFspuVD47XaadKxtXWMBSUlFih5a3Q=; b=s5cbWuokLxAXJH0JOfOJe8gsFk/z1iXSKU9kv9AZMXMbU4i3rMhZWK2sMP/R2hZELO DZ5QPtmW5K06ymc5jyOqPEMoSf3ATUUXnk3AXss7FEUNzUlditvvueqpR5mQfdaKrL/W 5td405iS1ozkQVKxo8P4lcVgfhftT8O34kuBo8ERLwUovg+9bKn0U8McFfWTxWHSSB2x 3R+RSO4MQ20icC3ydKyLOBVJm3SHjtQ0ElYDTftl7TT/1uAAm9dR4V7iGmy/LbId/lZ+ 0CylMxP4QXDBavrJtX8IvPbFbRTPXtIgwToE2G9bnYPSTwL/3/p+1b6ZLegNrdfXfMhx DVmg== X-Gm-Message-State: APjAAAUfujIOGUfJf64U8aIcgyAHETWI4xTbSxaheD/KFDOxyA7ooQ2d FlYlHwia0FwqWmgRWu7Ckkj+BGSe X-Google-Smtp-Source: APXvYqw9ckQm6h24hPVaTdBa7YznHvbpflgUIb1Pd39jDc4Sf5eg6DgUoaxHM7GRlbb75szqlOBrPA== X-Received: by 2002:adf:dd05:: with SMTP id a5mr14380wrm.108.1582632651678; Tue, 25 Feb 2020 04:10:51 -0800 (PST) From: Wei Liu To: Xen Development List Date: Tue, 25 Feb 2020 12:10:48 +0000 Message-Id: <20200225121048.5889-1-wl@xen.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH] automation: document vsyscall=emulate for old glibc X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Doug Goldstein , Wei Liu Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Signed-off-by: Wei Liu Acked-by: Doug Goldstein --- automation/build/README.md | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/automation/build/README.md b/automation/build/README.md index 476f82cf45..8cda2b65a5 100644 --- a/automation/build/README.md +++ b/automation/build/README.md @@ -58,6 +58,16 @@ understands. - XEN_CONFIG_EXPERT: If this is defined in your shell it will be automatically passed through to the container. =20 +If your docker host has Linux kernel > 4.11, and you want to use containers +that run old glibc (for example, CentOS 6 or SLES11SP4), you may need to a= dd + +``` +vsyscall=3Demulate +``` + +to the host kernel command line. That enables a legacy interface that is u= sed +by old glibc. + =20 Building a container -------------------- --=20 2.20.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel