[Bug 82517] New: [RADEONSI,VDPAU] SIGSEGV in map_msg_fb_buf called from ruvd_destroy, when closing a Tab with accelerated video player

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82517

          Priority: medium
            Bug ID: 82517
          Assignee: dri-devel at lists.freedesktop.org
           Summary: [RADEONSI,VDPAU] SIGSEGV in map_msg_fb_buf called from
                    ruvd_destroy, when closing a Tab with accelerated
                    video player
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: kai at dev.carbon-project.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

Created attachment 104510
  --> https://bugs.freedesktop.org/attachment.cgi?id=104510&action=edit
GDB backtrace of the crash in the VDPAU module

This is NOT bug 82428, I have the patch from attachment 104443 applied!

When closing a tab in a browser (Iceweasel/Firefox 31 in my case), that
contains a Flash video player, that uses VDPAU for accelerated playback, I see
the following crash:

> Program received signal SIGSEGV, Segmentation fault.
> 0x00007f76ed331f57 in map_msg_fb_buf (dec=0x7f76fa66b6f0) at ../../../../../../src/gallium/drivers/radeon/radeon_uvd.c:125
> 125             ptr = dec->ws->buffer_map(buf->cs_handle, dec->cs, PIPE_TRANSFER_WRITE);

This takes the plugin-container process down with it. Which means it's mostly
annoying.

The attached file contains a full backtrace with GDB attached to the
plugin-container process.


My stack is (base: Debian Testing):
GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1)
Linux: Git:~agdf5/linux:drm-next-3.17-rebased-on-fixes:fa78380797 (calls itself
3.16-rc6)
Firmware: <http://people.freedesktop.org/~agd5f/radeon_ucode/ucode.tar.gz>
> 9e05820da42549ce9c89d147cf1f8e19  /lib/firmware/updates/3.16.0-rc6-citadel/radeon/hawaii_ce.bin
> c8bab593090fc54f239c8d7596c8d846  /lib/firmware/updates/3.16.0-rc6-citadel/radeon/hawaii_mc.bin
> 3618dbb955d8a84970e262bb2e6d2a16  /lib/firmware/updates/3.16.0-rc6-citadel/radeon/hawaii_me.bin
> c000b0fc9ff6582145f66504b0ec9597  /lib/firmware/updates/3.16.0-rc6-citadel/radeon/hawaii_mec.bin
> 0643ad24b3beff2214cce533e094c1b7  /lib/firmware/updates/3.16.0-rc6-citadel/radeon/hawaii_pfp.bin
> ba6054b7d78184a74602fd81607e1386  /lib/firmware/updates/3.16.0-rc6-citadel/radeon/hawaii_rlc.bin
> 11288f635737331b69de9ee82fe04898  /lib/firmware/updates/3.16.0-rc6-citadel/radeon/hawaii_sdma.bin
> 284429675a5560e0fad42aa982965fc2  /lib/firmware/updates/3.16.0-rc6-citadel/radeon/hawaii_smc.bin
libdrm: 2.4.56-1
LLVM: SVN:trunk/r215347 (3.6 snapshot)
libclc: Git:master/5b48f170c8
Mesa: Git:master/4c16e6a8e0 + patch from attachment 104443
DDX: Git:master/fbf575cb01 + patch from
<http://lists.x.org/archives/xorg-driver-ati/2014-August/026534.html>
X: 2:1.16.0-1 (1.16.0)

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