Since the problem is fixed it didn't seem necessary to me to say that, but I later recalled what was different that could have caused the problem. I used a SATA to USB controller and while the disk was mounted and read from, I noticed that the SATA wasn't correctly plugged in (although it worked). When I attempted to adjust the plug proplery, the link broke (i.e. on the SATA side, not the USB side). I re-mounted afterwards and no persistent issue seemed to have been caused, but it might be the cause for this panic when I terminated wayland later (no idea what it has to do with wayland, but that's my only hypothesis). Cedric On Thu, Aug 10, 2017 at 06:01:39PM -0400, Ewan D. Milne wrote: > [cc's snipped to linux-scsi ] > > On Thu, 2017-08-10 at 17:05 +0000, manday@xxxxxxxxxxx wrote: > > Hello, > > > > I'd like to report this rare panic I experienced today. I've been on > > 4.12.3 since it was released and got this panic totally unexpected, > > probably when terminating my WL compositor. I attach to this message a > > capture of the screen. The problem occurred never before and never > > after since, suggesting I will not be able to reproduce it easily. > > Perhaps it means something to someone. > > > > Linux air 4.12.3 #4 SMP Fri Jul 28 12:07:06 CEST 2017 x86_64 Intel(R) > > Core(TM)i5-6267U CPU @ 2.90GHz GenuineIntel GNU/Linux > > > > I don't know what additional information might be useful so if there > > is anything else I should provide please tell me. > > > > Best regards, > > Cedric > > Your stack trace indicates some kind of corruption in a kmem cache > used by the SCSI code, uncovered when the block queue was being freed. > Can you describe what SCSI hardware is connected to your machine? > A snippet of your boot messages showing the hardware probe would help. > > -Ewan > > ------------------------------------------------- ONLY AT VFEmail! - Use our Metadata Mitigator to keep your email out of the NSA's hands! $24.95 ONETIME Lifetime accounts with Privacy Features! 15GB disk! No bandwidth quotas! Commercial and Bulk Mail Options!