94fdaa5d41ecc33f48bec6d2094e67f533a0e5de
Issue was caused by bug in mesa #54080 which makes glXQueryDrawable fail with GLXBadDrawable for any request with direct context. Worked around by temporary overriding X error handling when getting old interval value and disablingintervals extension if this query fails. Also added check for glXSwapIntervalEXT which is apparently NULL here with GLX_EXT_swap_control=1.
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