Files
libva-multiplanar/phase0_evidence/2026-05-04/mpv_vaapi_2026-05-04.strace.138302
T
marfrit f15ba8b147 Phase 0 in-session re-verification: 2026-04-26 picture holds
Re-executed deliverables #1 (verify failure-mode finding) and #4 (capture
contract trace) on ohm against the substrate that's actually deployed —
not the libva-v4l2-request-fourier git fork master, but the
libva-v4l2-request-ohm-gl-fix package built on boltzmann from the Step 1
18-patch series.

Result: vainfo enumerates 7 H.264 + 2 MPEG-2 profiles cleanly; mpv
--hwdec=vaapi-copy decodes 68 H.264 frames end-to-end through the full
V4L2-stateless contract on hantro /dev/video1 + /dev/media0. Zero
EINVAL/EAGAIN/EBUSY on the request-API path. No rig drift requiring
Phase 2 loopback.

Inventory finding documented: the git fork at e8c3937 is a pre-Step-1
substrate; rebuilding from it as-is would be a regression. Step 1
reconciliation (deliverable #2) is upstream of any future build-from-fork
action.

Rig caveat captured: --hwdec=vaapi requires a real VO; --hwdec=vaapi-copy
is the headless-safe alternative for SSH-driven test rigs.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-04 09:16:38 +00:00

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1777884987.420854 openat(AT_FDCWD, "/home/mfritsche/fourier-test/bbb_1080p30_h264.mp4/VIDEO_TS.IFO", O_RDONLY) = -1 ENOTDIR (Not a directory)
1777884987.421157 openat(AT_FDCWD, "/home/mfritsche/fourier-test/bbb_1080p30_h264.mp4/VIDEO_TS/VIDEO_TS.IFO", O_RDONLY) = -1 ENOTDIR (Not a directory)
1777884987.421868 openat(AT_FDCWD, "/home/mfritsche/fourier-test/bbb_1080p30_h264.mp4/MovieObject.bdmv", O_RDONLY) = -1 ENOTDIR (Not a directory)
1777884987.422092 openat(AT_FDCWD, "/home/mfritsche/fourier-test/bbb_1080p30_h264.mp4/BDMV/MovieObject.bdmv", O_RDONLY) = -1 ENOTDIR (Not a directory)
1777884987.422364 openat(AT_FDCWD, "/home/mfritsche/fourier-test/bbb_1080p30_h264.mp4", O_RDONLY|O_NONBLOCK|O_CLOEXEC) = 9
1777884987.423106 mmap(NULL, 2101248, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff9032f000
1777884987.427289 openat(AT_FDCWD, "/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
1777884987.427563 openat(AT_FDCWD, "/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 10
1777884987.428019 close(10) = 0
1777884987.428563 openat(AT_FDCWD, "/usr/lib/locale/C.UTF-8/LC_CTYPE", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
1777884987.429203 openat(AT_FDCWD, "/usr/lib/locale/C.utf8/LC_CTYPE", O_RDONLY|O_CLOEXEC) = 10
1777884987.429483 mmap(NULL, 369120, PROT_READ, MAP_PRIVATE, 10, 0) = 0xffff904d5000
1777884987.429681 close(10) = 0
1777884987.429881 openat(AT_FDCWD, "/usr/lib/gconv/gconv-modules.cache", O_RDONLY|O_CLOEXEC) = 11
1777884987.430074 mmap(NULL, 27010, PROT_READ, MAP_SHARED, 11, 0) = 0xffffa3b4f000
1777884987.430213 close(11) = 0
1777884987.430705 mmap(NULL, 10489856, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff6b5ff000
1777884987.478387 +++ exited with 0 +++