Ticket #75 (new defect)

Opened 18 months ago

LCD2USB crash with coredump after AVR MCU reset

Reported by: anonymous Owned by: michael
Priority: normal Component: lcd4linux
Version: 0.1 Severity: normal
Keywords: LCD2USB Cc:

Description

I have a reset button at LCD2USB module with ATMEL ATmega8 CPU. When I run lcd4linux and I press reset at my LCD2USB display, I get a coredump in few seconds. Details:

$ ./lcd4linux -h
LCD4Linux 0.10.2-SVN-796
Copyright (C) 2005, 2006, 2007 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
usage: lcd4linux [-h]

$ sudo ./lcd4linux -Fvvvv
Version 0.10.2-SVN-796 starting
plugin_cfg.c: Variable minute = '60000' (60000)
plugin_cfg.c: Variable tack = '100' (100)
plugin_cfg.c: Variable tick = '500' (500)
[KVV] Using station 89
[KVV] Using default port 80
[KVV] Using default refresh interval of 60 seconds
[KVV] Default abbreviation setting: off
lcd4linux.c: initializing driver LCD2USB
LCD2USB: $Rev: 771 $
LCD2USB: scanning USB for LCD2USB interface ...
LCD2USB: found LCD2USB interface on bus 001 device 007
LCD2USB: echo test successful
LCD2USB: firmware version 1.08
LCD2USB: installed controllers: CTRL0
LCD2USB: reserving 1 of 8 user-defined characters for icons
initializing layout 'Test2'
lcd4linux.c: starting main loop

I press RESET now, display was running already for several seconds, no problem

LCD2USB: USB request failed! Trying to reconnect device.
LCD2USB: scanning USB for LCD2USB interface ...
LCD2USB: found LCD2USB interface on bus 001 device 007
LCD2USB: retried USB request failed, aborting!
LCD2USB: USB request failed! Trying to reconnect device.
LCD2USB: scanning USB for LCD2USB interface ...
LCD2USB: found LCD2USB interface on bus 001 device 007
LCD2USB: retried USB request failed, aborting!
LCD2USB: USB request failed! Trying to reconnect device.
LCD2USB: scanning USB for LCD2USB interface ...
LCD2USB: found LCD2USB interface on bus 001 device 007
LCD2USB: retried USB request failed, aborting!
LCD2USB: USB request failed! Trying to reconnect device.
LCD2USB: scanning USB for LCD2USB interface ...
LCD2USB: found LCD2USB interface on bus 001 device 007
LCD2USB: retried USB request failed, aborting!
LCD2USB: USB request failed! Trying to reconnect device.
LCD2USB: scanning USB for LCD2USB interface ...
LCD2USB: could not re-detect LCD2USB USB LCD
lcd4linux.c: leaving main loop
LCD2USB: shutting down.
Segmentation fault (core dumped)

Attachments

Add/Change #75 (LCD2USB crash with coredump after AVR MCU reset)

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