<div class="container">
<h1>Recommended update for stalld</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-RU-2025:21219-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-12-16T08:23:36Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>moderate</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Micro 6.1</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that can now be installed.</p>
<h2>Description:</h2>
<p>This update for stalld fixes the following issues:</p>
<p>update to 1.21.1: </p>
<ul>
<li>systemd: fix duplicate ExecStart in service files</li>
<li>systemd: change systemd service startup to use RuntimeDirectory</li>
<li>stalld: cleanup and refactorning</li>
<li>stalld: fix erroneous log messages, stale PIDs are now purged
as soon as they are detected</li>
<li>bpf: cleanup and refactoring; improved code quality and comments</li>
<li>bpf: improved logging</li>
<li>bpf: support field <code>thread_info.cpu</code> in newer kernels (and <code>cpu</code> on
older ones) from <code>struct task_struct</code></li>
<li>bpf: fix cpu_data->nr_rt_running not reset when a non-RT task
was scheduled next</li>
<li>bpf: fix bpf_get_smp_processor_id() used to determine the exact CPU
the task is running on</li>
<li>bpf: add a BPF handler for the <code>sched_migrate_task</code> tracepoint to
accurately track tasks as they move between CPUs</li>
<li>bpf: capture an initial state snapshot of system tasks at startup</li>
<li>bpf: levergate CO-RE to reliably determine if a task is in the
TASK_RUNNING state across different kernel versions</li>
<li>
<p>bpf: fix a possible startup stall by adding non-blocking BTF
tracepoints</p>
</li>
<li>
<p>let the systemd unit file create /run/stalld with the proper permissions</p>
</li>
<li>
<p>fix "Service has more than one ExecStart= setting" error introduced in 9f2e4fc3</p>
</li>
<li>
<p>Add util-linux to the dependencies due to chrt</p>
</li>
</ul>
<p>Update to 1.20.3:</p>
<ul>
<li>stalld.service: Fix failure to set FIFO scheduling class</li>
<li>bpf: Improve task tracking in sched_switch</li>
<li>bpf/stalld: Introduce compute_ctxswc helper and update ctxswc
on sched_switch</li>
<li>stalld: Automatically switch to log-only mode if DL-server
present</li>
<li>bpf/stalld: Implement and use find_queued_task helper in
dequeue_task</li>
<li>bpf/stalld: Introduce and use for_each_task_entry/
for_each_queued_task macros</li>
<li>stalld: sched_attr: Do not define for glibc >= 2.41</li>
<li>stalld: Refactor verbose logging with dedicated macros</li>
<li>bpf/stalld: Introduce generic 'log' macro for BPF debug prints</li>
<li>
<p>bpf/stalld: Unify and generalize debug macro to DEBUG_STALLD</p>
</li>
<li>
<p>build with BPF support on aarch64/x86_64</p>
</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".<br/>
Alternatively you can run the command listed for your product:
</p>
<ul class="list-group">
<li class="list-group-item">
SUSE Linux Micro 6.1
<br/>
<code>zypper in -t patch SUSE-SLE-Micro-6.1-352=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
<ul>
<li>stalld-debugsource-1.21.1-slfo.1.1_1.1</li>
<li>stalld-1.21.1-slfo.1.1_1.1</li>
<li>stalld-debuginfo-1.21.1-slfo.1.1_1.1</li>
</ul>
</li>
</ul>
</div>