https://bugs.kde.org/show_bug.cgi?id=393284
--- Comment #5 from kdem...@protonmail.com ---
Because my Lappy had been in Suspend state since the crash targeted in my
preceding post, just in case that was the cause of the inability to read memory
today, just a few minutes ago i deliberately triggered another crash & then
immediately ran the commands again. As you can see, it has made no practical
beneficial change:
[kdemeoz@Lappy-XPS15 ~]$ coredumpctl list
TIME PID UID GID SIG COREFILE EXE
<<snipped for brevity>>
Mon 2018-04-23 13:30:35 AEST 16571 1000 1000 6 truncated /usr/bin/kwin_x11
lines 13-51/51 (END)
```
[kdemeoz@Lappy-XPS15 ~]$ coredumpctl gdb
PID: 16571 (kwin_x11)
UID: 1000 (kdemeoz)
GID: 1000 (kdemeoz)
Signal: 6 (ABRT)
Timestamp: Mon 2018-04-23 13:30:16 AEST (1min 6s ago)
Command Line: /usr/bin/kwin_x11 -session
10118bffdc0000152440805000000052280082_1524409043_409279
Executable: /usr/bin/kwin_x11
Control Group: /user.slice/user-1000.slice/session-c12.scope
Unit: session-c12.scope
Slice: user-1000.slice
Session: c12
Owner UID: 1000 (kdemeoz)
Boot ID: 4d57b850825045aaa73d73195fd923ef
Machine ID: 3054f65cf0df4fa190579b2f767ba3aa
Hostname: Lappy-XPS15
Storage:
/var/lib/systemd/coredump/core.kwin_x11.1000.4d57b850825045aaa73d73195fd923ef.16571.1524454216000000.lz4
(truncated)
Message: Process 16571 (kwin_x11) of user 1000 dumped core.
Stack trace of thread 16571:
#0 0x00007f2ba5d1a860 n/a (n/a)
<<snipped for brevity>>
Reading symbols from /usr/bin/kwin_x11...(no debugging symbols found)...done.
BFD: warning: /var/tmp/coredump-vCrWX5 is truncated: expected core file size >=
2427691008, found: 2147483648
[New LWP 16571]
[New LWP 16619]
[New LWP 16634]
[New LWP 17974]
[New LWP 16632]
[New LWP 16603]
[New LWP 21043]
Cannot access memory at address 0x7f2ba64d00c8
Cannot access memory at address 0x7f2ba64d00c0
Failed to read a valid object file image from memory.
Core was generated by `/usr/bin/kwin_x11 -session
10118bffdc0000152440805000000052280082_1524409043_40'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f2ba5d1a860 in ?? ()
[Current thread is 1 (LWP 16571)]
(gdb) bt
#0 0x00007f2ba5d1a860 in ?? ()
Backtrace stopped: Cannot access memory at address 0x7ffc18e72d20
(gdb) q
[kdemeoz@Lappy-XPS15 ~]$
```
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