<div dir="ltr"><div>Hi, <br></div><div><br></div><div>Tried to run debug-symbol enabled systemd-udevd through valgrind.</div><div>root@[xxx]:/var/opt# vi /etc/systemd/system/.../systemd-udevd.service<br>ExecStart=/usr/bin/valgrind --tool=memcheck /lib/systemd/.debug/systemd-udevd // Modified to run debug-symbol enabled systemd.udevd binary through valgrind.<br>root@[xxx]:/var/opt# systemctl daemon-reload<br></div><div><br></div><div>Not able to run debug-symbol enabled systemd-udevd through valgrind. <br></div><div>Below error message: <br></div><div>root@[xxx]:/var/opt# systemctl restart systemd-udevd<br>Job for systemd-udevd.service failed because the control process exited with error code.<br>See "systemctl status systemd-udevd.service" and "journalctl -xe" for details<br><br>systemctl status -n1000 systemd-udevd.service<br>[[0;1;31m●[[0m systemd-udevd.service - udev Kernel Device Manager<br> Loaded: loaded (/lib/systemd/system/systemd-udevd.service; enabled; vendor preset: enabled)<br> Active: [[0;1;31mfailed[[0m (Result: exit-code) since Tue 2020-04-21 16:27:16 UTC; 40s ago<br> Docs: man:systemd-udevd.service(8)<br> man:udev(7)<br> Process: 4252 ExecStart=/usr/bin/valgrind --tool=memcheck /lib/systemd/.debug/systemd-udevd [[0;1;31m(code=exited, status=1/FAILURE)[[0m<br> Main PID: 4252 (code=exited, status=1/FAILURE)<br><br>Apr 21 16:27:16 [xxx] valgrind[4252]: valgrind: m_ume.c: can't open interpreter<br>Apr 21 16:27:16 [xxx] systemd[1]: [[0;1;39m[[0;1;31m[[0;1;39msystemd-udevd.service: Failed with result 'exit-code'.[[0m<br>Apr 21 16:27:16 [xxx] systemd[1]: [[0;1;31m[[0;1;39m[[0;1;31mFailed to start udev Kernel Device Manager.[[0m</div><div><br></div><div> Kindly let me know if anything missed.</div><div><br></div><div>Regards, <br></div><div>Amit<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Apr 16, 2020 at 7:26 PM Lennart Poettering <<a href="mailto:mzerqung@0pointer.de">mzerqung@0pointer.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Di, 14.04.20 20:00, Amit anand (<a href="mailto:amit.table@gmail.com" target="_blank">amit.table@gmail.com</a>) wrote:<br>
<br>
> Apr 03 14:40:41 [xxx] valgrind[13179]: ==13179== by 0x4012BD1: ???<br>
> (in /lib/<a href="http://ld-2.27.so" rel="noreferrer" target="_blank">ld-2.27.so</a>)<br>
> Apr 03 14:40:41 [xxx] valgrind[13179]: ==13179== by 0x5BFCC8B:<br>
> _dl_catch_exception (in /lib/<a href="http://libc-2.27.so" rel="noreferrer" target="_blank">libc-2.27.so</a>)<br>
> Apr 03 14:40:41 [xxx] valgrind[13179]: ==13179== by 0x4012789: ???<br>
> (in /lib/<a href="http://ld-2.27.so" rel="noreferrer" target="_blank">ld-2.27.so</a>)<br>
> Apr 03 14:40:41 [xxx] valgrind[13179]: ==13179== by 0x5BFC2DC: ???<br>
> (in /lib/<a href="http://libc-2.27.so" rel="noreferrer" target="_blank">libc-2.27.so</a>)<br>
> Apr 03 14:40:41 [xxx] valgrind[13179]: ==13179== by 0x5BFCC8B:<br>
> _dl_catch_exception (in /lib/<a href="http://libc-2.27.so" rel="noreferrer" target="_blank">libc-2.27.so</a>)<br>
> Apr 03 14:40:41 [xxx] valgrind[13179]: ==13179== by 0x5BFCCFE:<br>
> _dl_catch_error (in /lib/<a href="http://libc-2.27.so" rel="noreferrer" target="_blank">libc-2.27.so</a>)<br>
> Apr 03 14:40:41 [xxx] valgrind[13179]: ==13179== by 0x5BFC3A6: ???<br>
> (in /lib/<a href="http://libc-2.27.so" rel="noreferrer" target="_blank">libc-2.27.so</a>)<br>
> Apr 03 14:40:41 [xxx] valgrind[13179]: ==13179== by 0x5BFC436:<br>
> __libc_dlopen_mode (in /lib/<a href="http://libc-2.27.so" rel="noreferrer" target="_blank">libc-2.27.so</a>)<br>
> Apr 03 14:40:41 [xxx] valgrind[13179]: ==13179== Address 0x650b1c0 is<br>
> 16 bytes after a block of size 32 in arena "client"<br>
> Apr 03 14:40:41 [xxx] valgrind[13179]: ==13179==<br>
<br>
To be truly useful you need to enable debug symbols in your builds, so<br>
that valgrind can show you something for useful than pointer values.<br>
<br>
Lennart<br>
<br>
--<br>
Lennart Poettering, Berlin<br>
</blockquote></div>