Lenovo T14 Gen 2 needs this: --- xorg-server-1.20.12/hw/xfree86/dri2/pci_ids/i965_pci_ids.h.org 2021-07-16 14:57:01.389345089 +0200 +++ xorg-server-1.20.12/hw/xfree86/dri2/pci_ids/i965_pci_ids.h 2021-07-16 14:57:15.149318090 +0200 @@ -130,6 +130,7 @@ CHIPSET(0x191D, skl_gt2, "Intel(R) HD Graphics P530 (Skylake GT2)") CHIPSET(0x191E, skl_gt2, "Intel(R) HD Graphics 515 (Skylake GT2)") CHIPSET(0x1921, skl_gt2, "Intel(R) HD Graphics 520 (Skylake GT2)") +CHIPSET(0x22c9, skl_gt2, "Intel(R) Iris Xe (Skylake GT2)") CHIPSET(0x1923, skl_gt3, "Intel(R) Skylake GT3e") CHIPSET(0x1926, skl_gt3, "Intel(R) Iris Graphics 540 (Skylake GT3e)") CHIPSET(0x1927, skl_gt3, "Intel(R) Iris Graphics 550 (Skylake GT3e)")
hmm, that patch only worked for a few logins, now its not anymore ..
This was user error, I had not set USE=iris for mesa. Without USE=iris, Xorg usually crashed but sometimes it worked.