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[185.136.65.225]) by gmr-mx.google.com with ESMTPS id ffacd0b85a97d-437969f1ddesi377078f8f.0.2026.02.18.04.45.25 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 18 Feb 2026 04:45:25 -0800 (PST) Received-SPF: pass (google.com: domain of fm-1328765-20260218124525e2029b45930002077e-cyvqff@rts-flowmailer.siemens.com designates 185.136.65.225 as permitted sender) client-ip=185.136.65.225; Received: by mta-65-225.siemens.flowmailer.net with ESMTPSA id 20260218124525e2029b45930002077e for ; Wed, 18 Feb 2026 13:45:25 +0100 From: "'Badrikesh Prusty' via isar-users" To: isar-users@googlegroups.com Cc: Badrikesh Prusty Subject: [PATCH] installer: fix race condition with multiple consoles running unattended Date: Wed, 18 Feb 2026 07:45:06 -0500 Message-ID: <20260218124506.399124-1-badrikesh.prusty@siemens.com> MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-1328765:519-21489:flowmailer X-Original-Sender: badrikesh.prusty@siemens.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@siemens.com header.s=fm2 header.b=KZmW0il4; spf=pass (google.com: domain of fm-1328765-20260218124525e2029b45930002077e-cyvqff@rts-flowmailer.siemens.com designates 185.136.65.225 as permitted sender) smtp.mailfrom=fm-1328765-20260218124525e2029b45930002077e-cYvQFf@rts-flowmailer.siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: Badrikesh Prusty Reply-To: Badrikesh Prusty Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Status: No, score=-4.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,RCVD_IN_RP_CERTIFIED, RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-TUID: qo9ABGLcigx0 * Add lockfile `/tmp/installer.lock` to prevent simultaneous unattended installs across multiple consoles. * Add progress monitoring for installations started in another console via progress pipe. * Periodically check if bmaptool is still running when progress pipe is unavailable and continue once bmaptool completes. This resolves the race condition between consoles and prevents issues with long-running or partially completed installations. Signed-off-by: Badrikesh Prusty --- .../files/usr/bin/deploy-image-wic.sh | 41 +++++++++++++++---- 1 file changed, 32 insertions(+), 9 deletions(-) diff --git a/meta-isar/recipes-installer/deploy-image/files/usr/bin/deploy-image-wic.sh b/meta-isar/recipes-installer/deploy-image/files/usr/bin/deploy-image-wic.sh index 9c041a50..0097a4b4 100755 --- a/meta-isar/recipes-installer/deploy-image/files/usr/bin/deploy-image-wic.sh +++ b/meta-isar/recipes-installer/deploy-image/files/usr/bin/deploy-image-wic.sh @@ -231,7 +231,11 @@ version_ge() { fi } -if ! $installer_unattended; then +lockfile="/tmp/installer.lock" +progress_pipe="/tmp/progress" + +exec 9>"$lockfile" +if flock -n 9; then # Get bmap-tools version bmap_version=$(bmaptool --version | awk '{ print $NF }') @@ -259,16 +263,35 @@ if ! $installer_unattended; then gauge_pid=$! fi -fi -if ! bmaptool $quiet_flag copy $bmap_options "$installer_image_uri" "$installer_target_dev"; then - kill "$gauge_pid" - exit 1 -fi + if ! bmaptool $quiet_flag copy $bmap_options "$installer_image_uri" "$installer_target_dev"; then + kill "$gauge_pid" + exit 1 + fi + + # Attempt to terminate the gauge process if still running. + # Errors are ignored since the process may already have exited. + kill "$gauge_pid" 2>/dev/null +else + echo "Installation already running in another console." + + # Wait for running console to create the progress pipe + sleep 2 -# Attempt to terminate the gauge process if still running. -# Errors are ignored since the process may already have exited. -kill "$gauge_pid" 2>/dev/null + # Check if progress pipe exists and has content + if [ -e "$progress_pipe" ]; then + echo "Installation progress..." + tail -f "$progress_pipe" | while read line; do + printf "\r%s%%" "$line" + done + else + # Periodically check if bmaptool is still running every 5 seconds + echo "Waiting for installation to finish..." + while pgrep -x "bmaptool" > /dev/null; do + sleep 5 + done + fi +fi if ! $installer_unattended; then dialog --title "Reboot" \ -- 2.39.5 -- You received this message because you are subscribed to the Google Groups "isar-users" group. 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