When width(r11) was 1280(0x500), "u_buf address(RDX)" - "y_buf address(RCX)" was always 0xA83C0. It seems that crash happened at same place when width was 1280(0x500). Hmm.
Bug 1636711 Comment 19 Edit History
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When width(r11) was 1280(0x500) and crash happned, "u_buf address(RDX)" - "y_buf address(RCX)" was always 0xA83C0. It seems that crash happened at same place when width was 1280(0x500). Hmm.
From crash reports, when width(r11) was 1280(0x500) and crash happned, "u_buf address(RDX)" - "y_buf address(RCX)" was always 0xA83C0. It seems that crash happened at same place when width was 1280(0x500). Hmm.