Bug#866512: SIGFPE when encoding H.264 video
Sebastian Ramacher
sramacher at debian.org
Thu Jun 29 19:13:36 UTC 2017
Hi
On 2017-06-29 19:52:12, Steinar H. Gunderson wrote:
> Package: i965-va-driver
> Version: 1.8.2-2
> Severity: grave
>
> Hi,
>
> After dist-upgrading, I can no longer start nageru without a segfault:
>
> Thread 13 "QS_Encode" received signal SIGFPE, Arithmetic exception.
> [Switching to Thread 0x7fffbaa7e700 (LWP 8583)]
> 0x00007fffc0bfab37 in intel_mfc_brc_postpack_vbr (frame_bits=3696,
> encoder_context=0x5555565487d0, encode_state=0x55555653dff8)
> at gen6_mfc_common.c:402
> 402 gen6_mfc_common.c: Ingen slik fil eller filkatalog.
> (gdb) bt
> #0 0x00007fffc0bfab37 in intel_mfc_brc_postpack_vbr (frame_bits=3696,
> encoder_context=0x5555565487d0, encode_state=0x55555653dff8)
> at gen6_mfc_common.c:402
> #1 intel_mfc_brc_postpack (encode_state=encode_state at entry=0x55555653dff8,
> encoder_context=encoder_context at entry=0x5555565487d0,
> frame_bits=frame_bits at entry=3696) at gen6_mfc_common.c:484
> #2 0x00007fffc0c1586f in gen75_mfc_avc_encode_picture (
> encoder_context=<optimized out>, encode_state=0x55555653dff8,
> ctx=0x5555564f3500) at gen75_mfc.c:1707
> #3 gen75_mfc_pipeline (ctx=0x5555564f3500, profile=<optimized out>,
> encode_state=0x55555653dff8, encoder_context=<optimized out>)
> at gen75_mfc.c:2529
> #4 0x00007fffc0c58bac in intel_encoder_end_picture (ctx=0x5555564f3500,
> profile=<optimized out>, codec_state=0x55555653dff8,
> hw_context=0x5555565487d0) at i965_encoder.c:1327
> #5 0x00007ffff5111dbf in vaEndPicture ()
> from /usr/lib/x86_64-linux-gnu/libva.so.1
> #6 0x00005555555f1a4d in QuickSyncEncoderImpl::encode_frame (
> this=this at entry=0x555556068c70, frame=...,
> encoding_frame_num=encoding_frame_num at entry=2,
> display_frame_num=display_frame_num at entry=1,
> gop_start_display_frame_num=gop_start_display_frame_num at entry=0,
> frame_type=frame_type at entry=1, pts=16800, dts=14000, duration=4800,
> ycbcr_coefficients=movit::YCBCR_REC_601) at quicksync_encoder.cpp:2045
1.8.3-1 just got accepted. Could you please test if the issue persits with that
version? If it's still there, we should take this upstream.
Cheers
> Downgrading i965-va-driver to 1.7.3-1 (the version in stable) fixes the issue.
>
> -- System Information:
> Debian Release: 9.0
> APT prefers unstable-debug
> APT policy: (500, 'unstable-debug'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (500, 'oldstable'), (1, 'experimental-debug'), (1, 'experimental')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
>
> Kernel: Linux 4.11.8 (SMP w/4 CPU cores)
> Locale: LANG=nb_NO.utf8, LC_CTYPE=nb_NO.utf8 (charmap=UTF-8), LANGUAGE=nb_NO.utf8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
>
> Versions of packages i965-va-driver depends on:
> ii libc6 2.24-11
> ii libdrm-intel1 2.4.81-2
> ii libdrm2 2.4.81-2
> ii libva1 [libva-driver-abi-0.40] 1.8.2-2
>
> i965-va-driver recommends no packages.
>
> i965-va-driver suggests no packages.
>
> -- no debconf information
>
> _______________________________________________
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> pkg-multimedia-maintainers at lists.alioth.debian.org
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--
Sebastian Ramacher
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