Hi,
I'm having a similar problem: I can't start thunderbird because it can't
get locks. It thinks there's already another thunderbird running.
Here's a couple of messages from the kernel log:
Sep 20 01:11:01 host kernel: [34314.514532] audit: type=1400
audit(1537395061.434:151): apparmor="DENIED" operation="file_mmap"
profile="thunderbird" name="/tmp/.gl9SzVEl" pid=21852 comm="thunderbird"
requested_mask="m" denied_mask="m" fsuid=1000 ouid=1000
Sep 20 01:12:47 host kernel: [34421.034242] audit: type=1400
audit(1537395167.953:234): apparmor="DENIED" operation="file_lock"
profile="thunderbird"
name="/mnt/disk/home/user/.mozilla-thunderbird/u8n78h07.default/.parentlock"
pid=22104 comm="thunderbird" requested_mask="k" denied_mask="k"
fsuid=1000 ouid=1000
I disabled AppArmor for thunderbird for now to be able to use it.
--
Aleksi Suhonen
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