Public bug reported:
Command: "gnome-shell --list-modes" in kitty terminal, extensions off
Expected: A list of modes
Actual: Segmentation fault (core dumped) gnome-shell --list-modes
lsb_release -rd:
Description: Ubuntu 26.04.1 LTS
Release: 26.04
apt-cache policy gnome-shell
gnome-shell:
Installed: 50.1-0ubuntu1.4
Candidate: 50.1-0ubuntu1.4
Version table:
*** 50.1-0ubuntu1.4 500
500 http://mirrorservice.org/sites/archive.ubuntu.com/ubuntu
resolute-updates/main amd64 Packages
100 /var/lib/dpkg/status
50.1-0ubuntu1 500
500 http://mirrorservice.org/sites/archive.ubuntu.com/ubuntu
resolute/main amd64 Packages
Will try to follow full debug procedures when I have time. For now,
here's an strace.
Strace | tail -100:
[pid 309182] close(10) = 0
[pid 309182] openat(AT_FDCWD, "/usr/lib/x86_64-linux-gnu/girepository-1.0",
O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 10
[pid 309182] fstat(10, {st_mode=S_IFDIR|0755, st_size=12288, ...}) = 0
[pid 309182] getdents64(10, 0x5d4800130fa0 /* 179 entries */, 32768) = 7640
[pid 309182] getdents64(10, 0x5d4800130fa0 /* 0 entries */, 32768) = 0
[pid 309182] close(10) = 0
[pid 309182] openat(AT_FDCWD, "/usr/lib/girepository-1.0",
O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 10
[pid 309182] fstat(10, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid 309182] getdents64(10, 0x5d4800130fa0 /* 4 entries */, 32768) = 136
[pid 309182] getdents64(10, 0x5d4800130fa0 /* 0 entries */, 32768) = 0
[pid 309182] close(10) = 0
[pid 309182] openat(AT_FDCWD, "/usr/lib/gnome-shell/Malcontent-0.typelib",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 309182] openat(AT_FDCWD,
"/usr/lib/x86_64-linux-gnu/mutter-18/Malcontent-0.typelib", O_RDONLY|O_CLOEXEC)
= -1 ENOENT (No such file or directory)
[pid 309182] openat(AT_FDCWD,
"/usr/lib/x86_64-linux-gnu/gjs/girepository-1.0/Malcontent-0.typelib",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 309182] openat(AT_FDCWD,
"/usr/lib/x86_64-linux-gnu/girepository-1.0/Malcontent-0.typelib",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 309182] openat(AT_FDCWD, "/usr/lib/girepository-1.0/Malcontent-0.typelib",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] mprotect(0x3e7c492b8000, 4096, PROT_READ|PROT_WRITE) = 0
[pid 309182] mprotect(0x3e7c492b8000, 4096, PROT_READ|PROT_EXEC) = 0
[pid 309182] mprotect(0x3e7c492b8000, 4096, PROT_READ|PROT_WRITE) = 0
[pid 309182] mprotect(0x3e7c492b8000, 4096, PROT_READ|PROT_EXEC) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] mprotect(0x3e7c492b8000, 4096, PROT_READ|PROT_WRITE) = 0
[pid 309182] mprotect(0x3e7c492b8000, 4096, PROT_READ|PROT_EXEC) = 0
[pid 309182] brk(0x5d480015b000) = 0x5d480015b000
[pid 309182] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x7b52cbe2e000
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x5d47ff4db0b8, FUTEX_WAKE_PRIVATE, 1) = 1
[pid 309188] <... futex resumed>) = 0
[pid 309188] futex(0x7b52f04ed160, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 309182] mprotect(0x3e7c492b8000, 4096, PROT_READ|PROT_WRITE) = 0
[pid 309182] mprotect(0x3e7c492b8000, 4096, PROT_READ|PROT_EXEC) = 0
[pid 309188] futex(0x5d47ff4db0bc,
FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 19, NULL,
FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] mprotect(0x3e7c492b8000, 8192, PROT_READ|PROT_WRITE) = 0
[pid 309182] mprotect(0x3e7c492b8000, 8192, PROT_READ|PROT_EXEC) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] futex(0x7b52f1a21f18, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid 309182] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL}
---
[pid 309182] rt_sigaction(SIGSEGV, {sa_handler=SIG_DFL, sa_mask=[],
sa_flags=SA_RESTORER, sa_restorer=0x7b52f1045cb0}, NULL, 8) = 0
[pid 309182] rt_sigreturn({mask=[]}) = 0
[pid 309182] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL}
---
[pid 309196] <... futex resumed>) = ?
[pid 309195] <... futex resumed>) = ?
[pid 309194] <... futex resumed>) = ?
[pid 309193] <... futex resumed>) = ?
[pid 309192] <... futex resumed>) = ?
[pid 309191] <... futex resumed>) = ?
[pid 309190] <... futex resumed>) = ?
[pid 309189] <... futex resumed>) = ?
[pid 309188] <... futex resumed>) = ?
[pid 309187] <... ppoll resumed> <unfinished ...>) = ?
[pid 309186] <... ppoll resumed> <unfinished ...>) = ?
[pid 309185] <... ppoll resumed> <unfinished ...>) = ?
[pid 309184] <... futex resumed>) = ?
[pid 309193] +++ killed by SIGSEGV (core dumped) +++
[pid 309195] +++ killed by SIGSEGV (core dumped) +++
[pid 309190] +++ killed by SIGSEGV (core dumped) +++
[pid 309189] +++ killed by SIGSEGV (core dumped) +++
[pid 309196] +++ killed by SIGSEGV (core dumped) +++
[pid 309194] +++ killed by SIGSEGV (core dumped) +++
[pid 309192] +++ killed by SIGSEGV (core dumped) +++
[pid 309191] +++ killed by SIGSEGV (core dumped) +++
[pid 309188] +++ killed by SIGSEGV (core dumped) +++
[pid 309187] +++ killed by SIGSEGV (core dumped) +++
[pid 309185] +++ killed by SIGSEGV (core dumped) +++
[pid 309184] +++ killed by SIGSEGV (core dumped) +++
[pid 309186] +++ killed by SIGSEGV (core dumped) +++
+++ killed by SIGSEGV (core dumped) +++
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Full strace (strace -f gnome-shell --list-modes &>
gs-lms-segv.strace)"
https://bugs.launchpad.net/bugs/2172591/+attachment/6013688/+files/gs-lms-segv.strace.xz
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https://bugs.launchpad.net/bugs/2172591
Title:
"gnome-shell --list-modes" segfaults
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