I can confirm this bug using an Intel Alder Lake-P Integrated Graphics Controller as well (on a ThinkPad X1 Carbon Gen 10). The backtrace looks like this: [317658.882] (EE) Backtrace: [317658.882] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x139) [0x5600e5903bf9] [317658.883] (EE) 1: /lib/x86_64-linux-gnu/libc.so.6 (__sigaction+0x40) [0x7fdf7b847af0] [317658.883] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (pthread_key_delete+0x15c) [0x7fdf7b89383c] [317658.883] (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (raise+0x12) [0x7fdf7b847a52] [317658.883] (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (abort+0xcf) [0x7fdf7b832469] [317658.883] (EE) unw_get_proc_name failed: no unwind info found [-10] [317658.883] (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (?+0x0) [0x7fdf7b832395] [317658.883] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (__assert_fail+0x42) [0x7fdf7b840b02] [317658.883] (EE) 7: /usr/lib/xorg/Xorg (DRIMoveBuffersHelper+0xc33) [0x5600e58bc113] [317658.884] (EE) 8: /usr/lib/xorg/Xorg (DRI2Authenticate+0xad) [0x5600e58be3ad] [317658.884] (EE) 9: /usr/lib/xorg/Xorg (DRI2GetParam+0x6cb) [0x5600e58bf12b] [317658.884] (EE) 10: /usr/lib/xorg/Xorg (SendErrorToClient+0x3d4) [0x5600e5790724] [317658.884] (EE) 11: /usr/lib/xorg/Xorg (InitFonts+0x3bc) [0x5600e57946bc] [317658.884] (EE) 12: /lib/x86_64-linux-gnu/libc.so.6 (__libc_init_first+0x8a) [0x7fdf7b83320a] [317658.884] (EE) 13: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0x7c) [0x7fdf7b8332bc] [317658.884] (EE) 14: /usr/lib/xorg/Xorg (_start+0x2a) [0x5600e577db6a] [317658.884] (EE) [317658.884] (EE) Fatal server error: [317658.884] (EE) Caught signal 6 (Aborted). Server aborting [317658.884] (EE) [317658.884] (EE) I can reliably reproduce it by invoking picard from the package of the same name under MATE. -- brian m. carlson (he/him or they/them) Toronto, Ontario, CA
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