Same problem... crashes on minimize (I always use the button). Compiz used. It's not a Firefox extension thing. I don't use extensions. I'm not even sure it's a Firefox thing but it has only happened to me with Firefox.
Crash log around crash:
Feb 10 17:10:33 aries gdm[11681]: WARNING: gdm_slave_xioerror_handler: Fatal X error - Restarting :0
Feb 10 17:11:37 aries pulseaudio[15357]: pid.c: Stale PID file, overwriting.
Feb 10 17:11:38 aries pulseaudio[15357]: alsa-util.c: Device front:0 doesn't support 44100 Hz, changed to 48000 Hz.
Feb 10 17:11:38 aries pulseaudio[15357]: alsa-util.c: Device front:0 doesn't support 44100 Hz, changed to 48000 Hz.
Feb 10 17:11:40 aries hcid[11617]: Default passkey agent (:1.46, /org/bluez/passkey) registered
Feb 10 17:11:40 aries hcid[11617]: Default authorization agent (:1.46, /org/bluez/auth) registered
Same problem... crashes on minimize (I always use the button). Compiz used. It's not a Firefox extension thing. I don't use extensions. I'm not even sure it's a Firefox thing but it has only happened to me with Firefox.
Crash log around crash: xioerror_ handler: Fatal X error - Restarting :0
Feb 10 17:10:33 aries gdm[11681]: WARNING: gdm_slave_
Feb 10 17:11:37 aries pulseaudio[15357]: pid.c: Stale PID file, overwriting.
Feb 10 17:11:38 aries pulseaudio[15357]: alsa-util.c: Device front:0 doesn't support 44100 Hz, changed to 48000 Hz.
Feb 10 17:11:38 aries pulseaudio[15357]: alsa-util.c: Device front:0 doesn't support 44100 Hz, changed to 48000 Hz.
Feb 10 17:11:40 aries hcid[11617]: Default passkey agent (:1.46, /org/bluez/passkey) registered
Feb 10 17:11:40 aries hcid[11617]: Default authorization agent (:1.46, /org/bluez/auth) registered