https://wiki.st.com/stm32mpu/index.php?title=Core_dump&feed=atom&action=history
Core dump - Revision history
2024-03-29T15:16:59Z
Revision history for this page on the wiki
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https://wiki.st.com/stm32mpu/index.php?title=Core_dump&diff=88656&oldid=prev
Jean Christophe Trotin at 09:44, 24 October 2022
2022-10-24T09:44:18Z
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{ ArticleBasedOnModel | Trace and debug tools article model}}</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{ ArticleBasedOnModel | Trace and debug tools article model}}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{ PublicationRequestId | 10302 | 16Jan'19 }}</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{ PublicationRequestId | 10302 | 16Jan'19 }}</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Linux debugging tools]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Linux debugging tools]]</div></td></tr>
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Jean Christophe Trotin
https://wiki.st.com/stm32mpu/index.php?title=Core_dump&diff=79388&oldid=prev
Nathalie Sangouard at 15:09, 12 October 2021
2021-10-12T15:09:39Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 15:09, 12 October 2021</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|MPUs list=STM32MP13x, STM32MP15x</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|MPUs list=STM32MP13x, STM32MP15x</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>|MPUs checklist=STM32MP13x, STM32MP15x</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>|MPUs checklist=STM32MP13x,STM32MP15x</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Article purpose==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Article purpose==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This article provides the initial information set needed to start the '''core dump''' Linux<sup>&reg;</sup> service.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This article provides the initial information set needed to start the '''core dump''' Linux<sup>&reg;</sup> service.</div></td></tr>
</table>
Nathalie Sangouard
https://wiki.st.com/stm32mpu/index.php?title=Core_dump&diff=79049&oldid=prev
Nathalie Sangouard at 13:28, 27 September 2021
2021-09-27T13:28:52Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 13:28, 27 September 2021</td>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">|MPUs checklist=STM32MP13x, STM32MP15x</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">}}</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Article purpose==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Article purpose==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This article provides the initial information set needed to start the '''core dump''' Linux<sup>&reg;</sup> service.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This article provides the initial information set needed to start the '''core dump''' Linux<sup>&reg;</sup> service.</div></td></tr>
</table>
Nathalie Sangouard
https://wiki.st.com/stm32mpu/index.php?title=Core_dump&diff=58012&oldid=prev
Jean-philippe Romain at 08:56, 1 August 2019
2019-08-01T08:56:36Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 08:56, 1 August 2019</td>
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<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{ArticleBasedOnModel | [[Trace and debug tools article model]]}}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{ArticleMainWriter | ChristopheP}}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{ArticleApprovedVersion | ChristopheP | NathalieS (Not Done), BernardP (Not Done), ChristopheM (Not Done), SebastienG (Not Done), Jean-ChristopheT (Passed with 1 minor remark, 11Jan'19)| No previous approved version | PhilipS - 16Jan'19 - 10302 | 16Jan'19}}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Linux debugging tools]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></noinclude></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Article purpose==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Article purpose==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This article provides the initial information set needed to start the '''core dump''' Linux<sup>&reg;</sup> service.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This article provides the initial information set needed to start the '''core dump''' Linux<sup>&reg;</sup> service.</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l97" >Line 97:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>| systemd man page</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>| systemd man page</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{ ArticleBasedOnModel | Trace and debug tools article model}}</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{ PublicationRequestId | 10302 | 16Jan'19 }}</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Linux debugging tools]]</ins></div></td></tr>
</table>
Jean-philippe Romain
https://wiki.st.com/stm32mpu/index.php?title=Core_dump&diff=48851&oldid=prev
Frq08988 at 17:50, 16 January 2019
2019-01-16T17:50:20Z
<p></p>
<p><b>New page</b></p><div><noinclude><br />
{{ArticleBasedOnModel | [[Trace and debug tools article model]]}}<br />
{{ArticleMainWriter | ChristopheP}}<br />
{{ArticleApprovedVersion | ChristopheP | NathalieS (Not Done), BernardP (Not Done), ChristopheM (Not Done), SebastienG (Not Done), Jean-ChristopheT (Passed with 1 minor remark, 11Jan'19)| No previous approved version | PhilipS - 16Jan'19 - 10302 | 16Jan'19}}<br />
<br />
[[Category:Linux debugging tools]]<br />
</noinclude><br />
<br />
==Article purpose==<br />
This article provides the initial information set needed to start the '''core dump''' Linux<sup>&reg;</sup> service.<br />
<br />
== Introduction ==<br />
{{:Trace_and_debug_tools_assignment_table_template}}<br />
<onlyinclude><br />
| [[Core dump|systemd core dump]]<br />
| [[:Category:Debugging tools|Debugging tools]]<br />
| style="text-align:left;" | '''systemd core dump''': generates core dump files on Linux<br><br />
| {{Y}} || {{N}} || {{Y}} || {{N}} || {{N}} || {{N}}<br />
|-<br />
</onlyinclude><br />
|}<br />
<br />
'''core dump''' records the states of the working program memory before an abnormal termination. The dump record assists in diagnosing and debugging program errors.<br />
<br />
'''Systemd''' provides, via a configuration file, a way to generate and store core dump for Linux system.<br />
<br />
== Installing the trace and debug tool on your target board==<br />
=== Using STM32MPU Embedded Software Distribution ===<br />
==== Distribution Package ====<br />
ST via OpenSTLinux layer provides a recipe named '''systemd-conf''', which provides a core dump configuration for systemd.<br />
<br />
The '''core dump''' configuration is available only via OpenSTLinux distribution. If this configuration is activated via another distribution, an add-on must be made in the systemd-conf recipe. <br />
<br />
recipes-core/systemd/systemd-conf.bbappend:<br />
<pre><br />
do_install_append() {<br />
install -d ${D}${sysconfdir}/systemd/coredump.conf.d/<br />
echo "[Coredump]" > ${D}${sysconfdir}/systemd/coredump.conf.d/coredump-custom.conf<br />
echo "Storage=external" >> ${D}${sysconfdir}/systemd/coredump.conf.d/coredump-custom.conf<br />
}<br />
</pre><br />
<br />
== Getting started ==<br />
=== Verify setup ===<br />
<br />
* Verify configuration are present<br />
{{Board$}} ls /etc/systemd/coredump.conf.d/<br />
coredump-custom.conf<br />
<br />
* Verify if '''core dump''' is registered by Linux<br />
{{Board$}} cat /proc/sys/kernel/core_pattern<br />
|/lib/systemd/systemd-coredump %P %u %g %s %t %c %h %e<br />
<br />
=== Crash append===<br />
If an application/program has crashed and generated a core dump while running, the core dump result is stored in '''''/var/lib/systemd/coredump'''''.<br />
<br />
(See the [[Core_dump#How to test core dump|How to test core dump]] service below ).<br />
<br />
==How to test core dump==<br />
* Launch a program<br />
Launch a program (for example: "weston-flower")<br />
{{Board$}} weston-flower &<br />
<br />
* Get the pid of this program with the ps command<br />
{{Board$}} ps ax | grep <program><br />
<br />
* kill the program with specific '''ILL''' (4) signal (ILL: Illegal instruction)<br />
{{Board$}} kill -4 <pid of program><br />
Force to generate core dump (for example)<br />
{{Board$}} kill -4 `pidof weston-flower`<br />
<br />
* check ''/var/lib/systemd/coredump/'', the core dump associated to this abnormal termination:<br />
{{Board$}} find /var/lib/systemd/coredump/<br />
/var/lib/systemd/coredump/<br />
/var/lib/systemd/coredump/core.weston-flower.0.47f9def8d0f44af5919d0e4cd5ee04ae.554.1543488316000000.xz<br />
<br />
<br />
The core dump generated has a size of around 300 Kbytes<br />
{{Board$}} du -sh /var/lib/systemd/coredump/*<br />
295K /var/lib/systemd/coredump/core.weston-flower.0.47f9def8d0f44af5919d0e4cd5ee04ae.554.1543488316000000.xz<br />
<br />
== To go further ==<br />
To make core analysis please refer to [[GDB#Core_dump_analysis_using_GDB]]<br />
<br />
==Documentation and web articles==<br />
<references /><br />
<br />
{|<br />
|+ "External links"<br />
|-<br />
! scope=col | Document link<br />
! scope=col | Document Type<br />
! scope=col | Description<br />
|-<br />
| [https://www.freedesktop.org/software/systemd/man/coredump.conf.html systemd man page for core dump configuration]<br />
| Standard<br />
| systemd man page<br />
|}</div>
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