umb0 ucom0 umodem0 detached

Hello Misc, I have OpenBSD running on a Thinkpad X1 Carbon, 3rd Gen, everything is working great, except for the builtin 4G modem "umb0" which detaches and disappears from time to time and needs a reboot to become available again. I found this thread which seems to be exactly my issue:

Re: Filesystem corruption with ext4 and qcow2 in vmm

olume corrupts the virtual > disk". > > > > On 2019 Apr 18 (Thu) at 10:06:59 +0200 (+0200), Malte Wedel wrote: > :Hello OpenBSD, > : > :I was trying to run Linux inside vmm, by converting an existing > :vmdk-image to qcow2 using qemu-img. While the configuration a

Filesystem corruption with ext4 and qcow2 in vmm

Hello OpenBSD, I was trying to run Linux inside vmm, by converting an existing vmdk-image to qcow2 using qemu-img. While the configuration and setup seems to be straightforward, I had filesystem corruption issues on the ext4-fs inside the VM. This happened on two separate occasions - in the