https://bugs.kde.org/show_bug.cgi?id=489169
Iyán Méndez Veiga <m...@iyanmv.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |m...@iyanmv.com
--- Comment #19 from Iyán Méndez Veiga <m...@iyanmv.com> ---
After updating to 6.1.2 I still see many ddcutil crashes when attaching my
laptop to an external docking station (WD19TBS).
Output of journalctl -p err:
Jul 08 09:17:48 bespin systemd-coredump[9774]: [🡕] Process 9422 (ddcutil) of
user 0 dumped core.
Stack trace of thread 9422:
#0 0x000078ee746d41dd n/a
(libc.so.6 + 0x16a1dd)
#1 0x000057dd78414031 strsplit
(ddcutil + 0x8b031)
#2 0x000057dd784264ba n/a
(ddcutil + 0x9d4ba)
#3 0x000057dd78426778
is_possible_monitor_by_hiddev_name (ddcutil + 0x9d778)
#4 0x000057dd784268a9
check_usb_monitor (ddcutil + 0x9d8a9)
#5 0x000057dd783a4752 main
(ddcutil + 0x1b752)
#6 0x000078ee7458fc88 n/a
(libc.so.6 + 0x25c88)
#7 0x000078ee7458fd4c
__libc_start_main (libc.so.6 + 0x25d4c)
#8 0x000057dd783a4895 _start
(ddcutil + 0x1b895)
ELF object binary architecture:
AMD x86-64
Jul 08 09:17:48 bespin (udev-worker)[9420]: hiddev3: Process '/usr/bin/ddcutil
chkusbmon /dev/usb/hiddev3 -v' terminated by signal SEGV.
Jul 08 09:17:48 bespin (udev-worker)[9420]: hiddev3: Failed to wait for spawned
command '/usr/bin/ddcutil chkusbmon /dev/usb/hiddev3 -v': Input/output error
Jul 08 09:17:48 bespin systemd-coredump[9775]: [🡕] Process 9421 (ddcutil) of
user 0 dumped core.
Stack trace of thread 9421:
#0 0x00007c6fd0b941dd n/a
(libc.so.6 + 0x16a1dd)
#1 0x00005ee53c609031 strsplit
(ddcutil + 0x8b031)
#2 0x00005ee53c61b4ba n/a
(ddcutil + 0x9d4ba)
#3 0x00005ee53c61b778
is_possible_monitor_by_hiddev_name (ddcutil + 0x9d778)
#4 0x00005ee53c61b8a9
check_usb_monitor (ddcutil + 0x9d8a9)
#5 0x00005ee53c599752 main
(ddcutil + 0x1b752)
#6 0x00007c6fd0a4fc88 n/a
(libc.so.6 + 0x25c88)
#7 0x00007c6fd0a4fd4c
__libc_start_main (libc.so.6 + 0x25d4c)
#8 0x00005ee53c599895 _start
(ddcutil + 0x1b895)
ELF object binary architecture:
AMD x86-64
Jul 08 09:17:48 bespin (udev-worker)[9294]: hiddev1: Process '/usr/bin/ddcutil
chkusbmon /dev/usb/hiddev1 -v' terminated by signal SEGV.
Jul 08 09:17:48 bespin (udev-worker)[9294]: hiddev1: Failed to wait for spawned
command '/usr/bin/ddcutil chkusbmon /dev/usb/hiddev1 -v': Input/output error
Jul 08 09:17:49 bespin systemd-coredump[9828]: [🡕] Process 9802 (ddcutil) of
user 0 dumped core.
Stack trace of thread 9802:
#0 0x000070bcab6a41dd n/a
(libc.so.6 + 0x16a1dd)
#1 0x000064e2032bd031 strsplit
(ddcutil + 0x8b031)
#2 0x000064e2032cf4ba n/a
(ddcutil + 0x9d4ba)
#3 0x000064e2032cf778
is_possible_monitor_by_hiddev_name (ddcutil + 0x9d778)
#4 0x000064e2032cf8a9
check_usb_monitor (ddcutil + 0x9d8a9)
#5 0x000064e20324d752 main
(ddcutil + 0x1b752)
#6 0x000070bcab55fc88 n/a
(libc.so.6 + 0x25c88)
#7 0x000070bcab55fd4c
__libc_start_main (libc.so.6 + 0x25d4c)
#8 0x000064e20324d895 _start
(ddcutil + 0x1b895)
ELF object binary architecture:
AMD x86-64
Jul 08 09:17:49 bespin (udev-worker)[9427]: hiddev1: Process '/usr/bin/ddcutil
chkusbmon /dev/usb/hiddev1 -v' terminated by signal SEGV.
Jul 08 09:17:49 bespin (udev-worker)[9427]: hiddev1: Failed to wait for spawned
command '/usr/bin/ddcutil chkusbmon /dev/usb/hiddev1 -v': Input/output error
Jul 08 09:17:49 bespin systemd-coredump[9829]: [🡕] Process 9804 (ddcutil) of
user 0 dumped core.
coredumpctl debug 9422:
(gdb) thread apply all backtrace full
Thread 1 (Thread 0x78ee744bbb80 (LWP 9422)):
#0 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:76
No locals.
#1 0x000057dd78414031 in strsplit (str_to_split=0x0, delims=0x57dd7842faea
":") at util/string_util.c:455
debug = false
max_pieces = <optimized out>
workstruct = <optimized out>
piecect = <optimized out>
str_to_split_dup = <optimized out>
rest = 0x57dd9f453b90 "/dev/usb/hiddev3"
token = <optimized out>
result = <optimized out>
__func__ = <optimized out>
ndx = <optimized out>
curpiece = <optimized out>
#2 0x000057dd784264ba in avoid_device_by_usb_interfaces_property_string
(interfaces=0x0) at usb/usb_displays.c:346
debug = false
pieces = <optimized out>
avoid = <optimized out>
ndx = <optimized out>
__func__ = "avoid_device_by_usb_interfaces_property_string"
#3 0x000057dd78426778 in is_possible_monitor_by_hiddev_name
(hiddev_name=hiddev_name@entry=0x57dd9f453b90 "/dev/usb/hiddev3") at
usb/usb_displays.c:405
interfaces = <optimized out>
debug = false
devsum = 0x57dd9f466a60
avoid = false
result = <optimized out>
__func__ = "is_possible_monitor_by_hiddev_name"
#4 0x000057dd784268a9 in check_usb_monitor (device_name=0x57dd9f453b90
"/dev/usb/hiddev3") at usb/usb_displays.c:903
debug = false
ol = DDCA_OL_VERBOSE
result = false
__PRETTY_FUNCTION__ = "check_usb_monitor"
__func__ = <optimized out>
#5 0x000057dd783a4752 in main (argc=<optimized out>, argv=<optimized out>) at
app_ddcutil/main.c:1034
is_monitor = <optimized out>
main_debug = false
s = <optimized out>
main_rc = 0
start_time_reported = <optimized out>
explicit_syslog_level = <optimized out>
syslog_opened = <optimized out>
preparse_verbose = <optimized out>
skip_config = <optimized out>
parsed_cmd = 0x57dd9f4536c0
program_start_time = 1720423054
program_start_time_s = <optimized out>
new_argv = 0x57dd9f453650
new_argc = 4
untokenized_cmd_prefix = 0x0
configure_fn = 0x0
preparsed_level = <optimized out>
bye = <optimized out>
--Type <RET> for more, q to quit, c to continue without paging--c
errs = <optimized out>
callopts = 0 '\000'
values = 0x0
end_time = 140727784448032
end_time_s = <optimized out>
__func__ = "main"
__PRETTY_FUNCTION__ = "main"
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