[Bug 83708] New: mplayer plays video using gpu hardware acceleraing(vdpau,uvd) kernel panic, Unable to handle kernel paging request at virtual address

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Sep 10 04:02:53 PDT 2014 

https://bugs.freedesktop.org/show_bug.cgi?id=83708

          Priority: medium
            Bug ID: 83708
          Assignee: dri-devel at lists.freedesktop.org
           Summary: mplayer plays video using gpu hardware
                    acceleraing(vdpau,uvd) kernel panic, Unable to handle
                    kernel paging request at virtual address
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: zduo006 at 163.com
          Hardware: SPARC
            Status: NEW
           Version: 9.2
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

Created attachment 106051
  --> https://bugs.freedesktop.org/attachment.cgi?id=106051&action=edit
kernel panic messages

Hi, I try to using gpu hardware accelerate to play video from mplayer
(vdpau+uvd)  . The machine architecture is sparc64,video card is radeon
HD7450,OS version is redhat7,kernel version is 3.10.0, mplayer version is
1.1-21,mesa version is 9.2.5-6. But everything is ok on X86 platforms, all
versions are the same.
         The kernel panic occured when radeon call radeon_cs_ioctl to receive
the command stream from libdrm interface. and then radeon_cs_ib_chunk() call
radeon_uvd_cs_parse to parse the command.
         First I thought this error maybe occured in a permanent position and
maybe the ioctl data or size mismatch between user space and kernel space ，I
set 1 to /sys/module/drm/para... to open drm debug switch , after I catch the
messages, the panic occur  everywhere .the error context maybe after
RADEON_GEM_WAIT_IDLE? after RADEON_GEM_CREATE and so forth. so is not the data
stream error during ioctl.
        And I check the changelog from 3.10 to 3.15, no patch about this.
        Other, I run rpm -e mesa-vdpau-drivers to uninstall the devices driver
from mesa ,the mplayer can play video  stably using cpu , when I install this
package,the blue screen is come out . and I must run mplayer -vo x11 to solve
the blue screen problem.
       Because I am not clearly about the framework of the mesa-vdpau-driver
and uvd. Can anyone help me ? Thks 

the error messages is below:
pid=3037, dev=0xe200, auth=1, RADEON_GEM_WAIT_IDLE
Oct  8 21:43:26 localhost kernel: [17318.899669] pid=4483, dev=0xe200, auth=1,
RADEON_GEM_WAIT_IDLE
Oct  8 21:43:26 localhost kernel: [17318.902069] Unable to handle kernel paging
request at virtual address 000000ca14312000
Oct  8 21:43:26 localhost kernel: [17318.902090] tsk->{mm,active_mm}->context =
0000000000000a2b
Oct  8 21:43:26 localhost kernel: [17318.902104] tsk->{mm,active_mm}->pgd =
fffff80008f90000
Oct  8 21:43:26 localhost kernel: [17318.902119]               \|/ ____ \|/
Oct  8 21:43:26 localhost kernel: [17318.902119]               "@'/ .. \`@"
Oct  8 21:43:26 localhost kernel: [17318.902119]               /_| \__/ |_\
Oct  8 21:43:26 localhost kernel: [17318.902119]                  \__U_/
Oct  8 21:43:26 localhost kernel: [17318.902169] mplayer(4483): Oops [#1]
Oct  8 21:43:26 localhost kernel: [17318.902186] CPU: 28 PID: 4483 Comm:
mplayer Not tainted 3.10.0-54.0.1.el7.4ACL.sparc64 #1
Oct  8 21:43:26 localhost kernel: [17318.902201] task: fffff800faa2a200 ti:
fffff800fbec4000 task.ti: fffff800fbec4000
Oct  8 21:43:26 localhost kernel: [17318.902220] TSTATE: 0000004411001607 TPC:
00000000007f573c TNPC: 00000000007f5740 Y: 00000000    Not tainted
Oct  8 21:43:26 localhost kernel: [17318.902252] TPC:
<radeon_uvd_cs_parse+0x414/0x7b4>
Oct  8 21:43:26 localhost kernel: [17318.902267] g0: 0000000000083a15 g1:
000000ca14312000 g2: 000000ca14312000 g3: 0000000004314000
Oct  8 21:43:26 localhost kernel: [17318.902285] g4: fffff800faa2a200 g5:
fffff800fc2fe000 g6: fffff800fbec4000 g7: 0000000010000000
Oct  8 21:43:26 localhost kernel: [17318.902301] o0: 0000000000000000 o1:
fffff800fbec7860 o2: 0000000000000000 o3: 0000000004314000
Oct  8 21:43:26 localhost kernel: [17318.902317] o4: 0000000000000800 o5:
fffff800f62d4840 sp: fffff800fbec6f91 ret_pc: 00000000007f56f4
Oct  8 21:43:26 localhost kernel: [17318.902336] RPC:
<radeon_uvd_cs_parse+0x3cc/0x7b4>
Oct  8 21:43:26 localhost kernel: [17318.902352] l0: fffff80008dbbbc0 l1:
0000000000a213c8 l2: 0000000000000003 l3: 0000000000000001
Oct  8 21:43:26 localhost kernel: [17318.902366] l4: 000000000000ef10 l5:
0000000000d7fb10 l6: 0000000000d7fae8 l7: 0000000000d7fac8
Oct  8 21:43:26 localhost kernel: [17318.902382] i0: fffff800fbec7948 i1:
0000000000000000 i2: 000000000000ec00 i3: fffff800e30b9000
Oct  8 21:43:26 localhost kernel: [17318.902398] i4: 000000ca14312000 i5:
0000000000000000 i6: fffff800fbec7091 i7: 00000000007a1e5c
Oct  8 21:43:26 localhost kernel: [17318.902429] I7:
<radeon_cs_ioctl+0x394/0x930>
Oct  8 21:43:26 localhost kernel: [17318.902439] Call Trace:
Oct  8 21:43:26 localhost kernel: [17318.902458]  [00000000007a1e5c]
radeon_cs_ioctl+0x394/0x930
Oct  8 21:43:26 localhost kernel: [17318.902486]  [000000000073d1ac]
drm_ioctl+0x2fc/0x420
Oct  8 21:43:26 localhost kernel: [17318.902516]  [0000000000518c94]
vfs_ioctl+0x24/0x40
Oct  8 21:43:26 localhost kernel: [17318.902537]  [0000000000519518]
do_vfs_ioctl+0x440/0x4e0
Oct  8 21:43:26 localhost kernel: [17318.902560]  [00000000005195e4]
SyS_ioctl+0x2c/0x50
Oct  8 21:43:26 localhost kernel: [17318.902588]  [00000000004061b4]
linux_sparc_syscall+0x34/0x44
Oct  8 21:43:26 localhost kernel: [17318.902607] Disabling lock debugging due
to kernel taint
Oct  8 21:43:26 localhost kernel: [17318.902633] Caller[00000000007a1e5c]:
radeon_cs_ioctl+0x394/0x930
Oct  8 21:43:26 localhost kernel: [17318.902657] Caller[000000000073d1ac]:
drm_ioctl+0x2fc/0x420
Oct  8 21:43:26 localhost kernel: [17318.902681] Caller[0000000000518c94]:
vfs_ioctl+0x24/0x40
Oct  8 21:43:26 localhost kernel: [17318.902702] Caller[0000000000519518]:
do_vfs_ioctl+0x440/0x4e0
Oct  8 21:43:26 localhost kernel: [17318.902721] Caller[00000000005195e4]:
SyS_ioctl+0x2c/0x50
Oct  8 21:43:26 localhost kernel: [17318.902742] Caller[00000000004061b4]:
linux_sparc_syscall+0x34/0x44
Oct  8 21:43:26 localhost kernel: [17318.902757] Caller[fffff801086074ac]:
0xfffff801086074ac
Oct  8 21:43:26 localhost kernel: [17318.902765] Instruction DUMP: 913b6000 
c25fa7cf  b800401c <e0072008> 80a42000  12480007  fa072004  11002884  130035fe 
Oct  8 21:43:30 localhost kernel: [17323.141686] pid=3037, dev=0xe200, auth=1,
RADEON_GEM_CREATE

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