Public bug reported:
What was happening when plasmashell crashed:
I pressed super button to open the menu, then the R key and Enter key.
The menu is just Kickoff in Application Launcher mode, nothing unusual.
I haven't been able to reproduce it reliably. Possibly a race condition?
==> Architecture <==
amd64
==> CurrentDesktop <==
KDE
==> Date <==
Wed May 15 08:57:48 2019
==> Disassembly <==
=> 0x7f8d3f38ce97 <__GI_raise+199>: mov0x108(%rsp),%rcx
0x7f8d3f38ce9f <__GI_raise+207>: xor%fs:0x28,%rcx
0x7f8d3f38cea8 <__GI_raise+216>: mov%r8d,%eax
0x7f8d3f38ceab <__GI_raise+219>: jne0x7f8d3f38cecc <__GI_raise+252>
0x7f8d3f38cead <__GI_raise+221>: add$0x118,%rsp
0x7f8d3f38ceb4 <__GI_raise+228>: retq
0x7f8d3f38ceb5 <__GI_raise+229>: nopl (%rax)
0x7f8d3f38ceb8 <__GI_raise+232>: mov0x3abfa9(%rip),%rdx#
0x7f8d3f738e68
0x7f8d3f38cebf <__GI_raise+239>: neg%eax
0x7f8d3f38cec1 <__GI_raise+241>: mov$0x,%r8d
0x7f8d3f38cec7 <__GI_raise+247>: mov%eax,%fs:(%rdx)
0x7f8d3f38ceca <__GI_raise+250>: jmp0x7f8d3f38ce80 <__GI_raise+176>
0x7f8d3f38cecc <__GI_raise+252>: callq 0x7f8d3f482c80 <__stack_chk_fail>
0x7f8d3f38ced1: nopw %cs:0x0(%rax,%rax,1)
0x7f8d3f38cedb: nopl 0x0(%rax,%rax,1)
0x7f8d3f38cee0 : test %edi,%edi
==> DistroRelease <==
Ubuntu 18.04
==> ExecutablePath <==
/usr/bin/plasmashell
==> ExecutableTimestamp <==
1538639775
==> _LogindSession <==
3
==> Package <==
plasma-workspace
==> ProblemType <==
Crash
==> ProcCmdline <==
/usr/bin/plasmashell
==> ProcCwd <==
/home/nathaniel
==> ProcEnviron <==
LANGUAGE=en_US.UTF-8
PATH=(custom, user)
XDG_RUNTIME_DIR=
LANG=en_US.UTF-8
SHELL=/bin/bash
==> ProcStatus <==
Name: plasmashell
Umask: 0002
State: D (disk sleep)
Tgid: 3289
Ngid: 0
Pid:3289
PPid: 1
TracerPid: 0
Uid:1000100010001000
Gid:1000100010001000
FDSize: 64
Groups: 4 5 20 24 25 27 29 30 44 46 101 112 113 116 118 126 127 136 141 1000
NStgid: 3289
NSpid: 3289
NSpgid: 3288
NSsid: 3288
VmPeak: 5125440 kB
VmSize: 5118576 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM:225832 kB
VmRSS:197236 kB
RssAnon: 129012 kB
RssFile: 58232 kB
RssShmem: 9992 kB
VmData: 2423748 kB
VmStk: 136 kB
VmExe: 604 kB
VmLib:159596 kB
VmPTE: 2252 kB
VmSwap:0 kB
HugetlbPages: 0 kB
CoreDumping:1
Threads:19
SigQ: 1/63225
SigPnd:
ShdPnd:
SigBlk:
SigIgn: 1000
SigCgt: 00018001
CapInh:
CapPrm:
CapEff:
CapBnd: 003f
CapAmb:
NoNewPrivs: 0
Seccomp:0
Speculation_Store_Bypass: thread vulnerable
Cpus_allowed: ff
Cpus_allowed_list: 0-7
Mems_allowed:
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,0001
Mems_allowed_list: 0
voluntary_ctxt_switches:3813908
nonvoluntary_ctxt_switches: 1924822
==> Registers <==
rax0x0 0
rbx0x1 1
rcx0x7f8d3f38ce97 140244627803799
rdx0x0 0
rsi0x7fffdaf5d2b0 140736866931376
rdi0x2 2
rbp0x55aac2c21a90 0x55aac2c21a90
rsp0x7fffdaf5d2b0 0x7fffdaf5d2b0
r8 0x0 0
r9 0x7fffdaf5d2b0 140736866931376
r100x8 8
r110x246582
r120x1 1
r130xb 11
r140x7fffdaf5dbae 140736866933678
r150x0 0
rip0x7f8d3f38ce97 0x7f8d3f38ce97 <__GI_raise+199>
eflags 0x246[ PF ZF IF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
==> Signal <==
11
==> Stacktrace <==
#0 0x7f8d3f38ce97 in __GI_raise (sig=sig@entry=11) at
../sysdeps/unix/sysv/linux/raise.c:51
set = {__val = {0 }}
pid =
tid =
#1 0x7f8d45ac47f9 in KCrash::defaultCrashHandler(int) (sig=11) at
./src/kcrash.cpp:538
crashRecursionCounter = 3
#2 0x7f8d3f38cf20 in () at
/lib/x86_64-linux-gnu/libc.so.6
#3 0x7f8d19261c37 in brw_populate_sampler_prog_key_data
(ctx=ctx@entry=0x55aabe042fb0, prog=prog@entry=0x55aac0a17590,
key=key@entry=0x7fffdaf5dbac) at
../../../../../../src/mesa/drivers/dri/i965/brw_wm.c:386
img = 0x55aac182add0
t = 0x55aac2c21a90
alpha_depth =
unit_id =
unit =
devinfo = 0x55aabd1eca58
mask = 0
#4 0x7f8d1926209c in brw_wm_populate_key
