I've seen this issue with a Ricoh e832 firewire card. Same behavior (can see the disk in /proc/partitions though gparted cant see it and it can't be mounted). Attaching dmesg
I've seen this issue with a Ricoh e832 firewire card. Same behavior (can see the disk in /proc/partitions though gparted cant see it and it can't be mounted). Attaching dmesg