[2.5.71] Oops

[2.5.71] Oops

[Kronos]

Hi,
I was using mplayer 0.90 in console (using -vo sdl:fbcon) and when I
switched virtual terminal I got the following oops:


Unable to handle kernel paging request at virtual address f880c000
printing eip:
c02d5ea7
*pde = 2fcea067
*pte = 00000000
Oops: 0000 [#1]
CPU:    0
EIP:    0060:[<c02d5ea7>]    Not tainted
EFLAGS: 00010286
EIP is at bitfill32+0x67/0xd0
eax: ffffffff   ebx: f880c000   ecx: ffffffff   edx: 00002000
esi: 04210000   edi: 00002000   ebp: eff85e1c   esp: eff85e08
ds: 007b   es: 007b   ss: 0068
Process events/0 (pid: 3, threadinfo=eff84000 task=c17ba740)
Stack: 00000000 ffffffff 04210000 00000000 00002000 eff85e88 c02d63c3 f880c000 
       00000000 04210000 00002000 00000000 00000000 00000010 00000000 00000000 
       00000010 00000078 00000003 00000078 00000000 c02d5e40 00000000 000001e0 
Call Trace:
 [<c02d63c3>] cfb_fillrect+0x153/0x2d0
 [<c02d5e40>] bitfill32+0x0/0xd0
 [<c02c9c81>] accel_clear_margins+0xb1/0xf0
 [<c02cc46a>] fbcon_switch+0x1ba/0x230
 [<c02603e3>] redraw_screen+0x113/0x180
 [<c025b9a8>] complete_change_console+0x38/0xf0
 [<c02634db>] console_callback+0xbb/0xc0
 [<c013afb9>] worker_thread+0x259/0x4c0
 [<c0263420>] console_callback+0x0/0xc0
 [<c011f190>] default_wake_function+0x0/0x30
 [<c010a166>] ret_from_fork+0x6/0x14
 [<c011f190>] default_wake_function+0x0/0x30
 [<c013ad60>] worker_thread+0x0/0x4c0
 [<c010744d>] kernel_thread_helper+0x5/0x18
 
Code: 8b 13 89 f0 31 d0 23 45 f0 31 d0 8d 57 e0 89 03 83 c3 04 c1 


Kernel is UP with CONFIG_PREEMPT=y, video board is a Radeon 9500Pro

#
# Graphics support
#
CONFIG_FB=y
# CONFIG_FB_CIRRUS is not set
# CONFIG_FB_PM2 is not set
# CONFIG_FB_CYBER2000 is not set
# CONFIG_FB_IMSTT is not set
# CONFIG_FB_VGA16 is not set
# CONFIG_FB_VESA is not set
CONFIG_VIDEO_SELECT=y
# CONFIG_FB_HGA is not set
# CONFIG_FB_RIVA is not set
# CONFIG_FB_MATROX is not set
CONFIG_FB_RADEON=y
# CONFIG_FB_ATY128 is not set
# CONFIG_FB_ATY is not set
# CONFIG_FB_SIS is not set
# CONFIG_FB_NEOMAGIC is not set
# CONFIG_FB_3DFX is not set
# CONFIG_FB_VOODOO1 is not set
# CONFIG_FB_TRIDENT is not set
# CONFIG_FB_PM3 is not set
# CONFIG_FB_VIRTUAL is not set

#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
# CONFIG_MDA_CONSOLE is not set
CONFIG_DUMMY_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_PCI_CONSOLE=y
# CONFIG_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y

#
# Logo configuration
#
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
CONFIG_LOGO_LINUX_CLUT224=y


Luca
-- 
Reply-To: kronos@kronoz.cjb.net
Home: http://kronoz.cjb.net
"Chi parla in tono cortese, ma continua a prepararsi, potra` andare avanti;
 chi parla in tono bellicoso e avanza rapidamente dovra` ritirarsi" 
Sun Tzu -- L'arte della guerra


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Re: [2.5.71] Oops

[James Simmons]

> Hi,
> I was using mplayer 0.90 in console (using -vo sdl:fbcon) and when I
> switched virtual terminal I got the following oops:

> Kernel is UP with CONFIG_PREEMPT=y, video board is a Radeon 9500Pro

Turn of preempt and I bet your problem will go away. The VT console system 
and preempt don't go well together.




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