Appears to work with updated Ubuntu 18.04. I'll keep the 19.10 partition
around for a little while in case I can provide further information.
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https://bugs.launchpad.net/bugs/1858294
Public bug reported:
Hardware (verified working with Windows 10)
- Lenovo X1 Carbon Gen 7
- Razer Core X with Saphire RX 580
- lspci-vvnn.log
Software
- New install of Ubuntu 19.10
- uname-a.log
- version.log
- mesa and amdgpu software from eoan repo
Symptoms when hot connected
- Doesn't
dmesg.0.before-hot-plug.txt
dmesg.1.not-yet-frozen-after-hot-plug.txt
dmesg.2.frozen-after-hot-plug.txt
dmesg.3.kernel-oops-reboot-while-attached.jpg
lspci-vvnn.log
regdump_broke.txt
regdump_good.txt
uname-a.log
version.log
Xorg.0.log
** Attachment added: "logs.tgz"