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SubjectRe: oops when using neofb framebuffer driver on 2.6.1

Try my latest patch. It has a fix for this.


http://phoenix.infradead.org/~jsimmons/fbdev.diff.gz



On Tue, 13 Jan 2004, Bastiaan Van Eeckhoudt wrote:

> Hi,
>
> I'm getting the following oops when I use the neofb framebuffer driver.
> It is triggered by generating a lot of text on the console, like cat'ing
> big text files.
> I'm using the 2.6.1 kernel on a Dell Latitude CP233.
> It has the following VGA controller:
> 00:02.0 VGA compatible controller: Neomagic Corporation NM2160
> [MagicGraph 128XD]
> I didn't have this problem with 2.4 kernels.
>
> Jan 13 20:25:42 narco kernel: Unable to handle kernel paging
> request<1>Unable to handle kernel paging request at virtual address
> c8c081c0
> Jan 13 20:25:42 narco kernel: printing eip:
> Jan 13 20:25:42 narco kernel: c02211fd
> Jan 13 20:25:42 narco kernel: *pde = 011e3067
> Jan 13 20:25:42 narco kernel: *pte = 00000000
> Jan 13 20:25:42 narco kernel: Oops: 0002 [#1]
> Jan 13 20:25:42 narco kernel: CPU: 0
> Jan 13 20:25:42 narco kernel: EIP: 0060:[cfb_imageblit+973/1616]
> Not tainted
> Jan 13 20:25:42 narco kernel: EFLAGS: 00010246
> Jan 13 20:25:42 narco kernel: EIP is at cfb_imageblit+0x3cd/0x650
> Jan 13 20:25:42 narco kernel: eax: 00000000 ebx: c8c081c0 ecx:
> 00000000 edx: 00000000
> Jan 13 20:25:42 narco kernel: esi: 00000004 edi: c11ce224 ebp:
> 00000001 esp: c6fd9a30
> Jan 13 20:25:42 narco kernel: ds: 007b es: 007b ss: 0068
> Jan 13 20:25:42 narco kernel: Process cat (pid: 499, threadinfo=c6fd8000
> task=c7341960)
> Jan 13 20:25:42 narco kernel: Stack: 0000004b 0000004b c1192560 00000000
> 00000000 00000000 00000000 c1189200
> Jan 13 20:25:42 narco kernel: c12fe5b0 c1188f70 00000000 00000001
> c018b9eb c7c4b3c4 c12fe5b0 00000000
> Jan 13 20:25:42 narco kernel: 00000000 00000000 c7efecc0 c0300620
> c11ce224 07070707 0000000f 00000026
> Jan 13 20:25:42 narco kernel: Call Trace:
> Jan 13 20:25:42 narco kernel: [do_get_write_access+699/1456]
> do_get_write_access+0x2bb/0x5b0
> Jan 13 20:25:42 narco kernel: [putcs_aligned+341/448]
> putcs_aligned+0x155/0x1c0
> Jan 13 20:25:42 narco kernel: [accel_putcs+147/192]
> accel_putcs+0x93/0xc0
> Jan 13 20:25:42 narco kernel: [__alloc_pages+151/768]
> __alloc_pages+0x97/0x300
> Jan 13 20:25:42 narco kernel: [fbcon_putcs+119/128]
> fbcon_putcs+0x77/0x80
> Jan 13 20:25:42 narco kernel: [vt_console_print+610/784]
> vt_console_print+0x262/0x310
> Jan 13 20:25:42 narco kernel: [__call_console_drivers+77/96]
> __call_console_drivers+0x4d/0x60
> Jan 13 20:25:42 narco kernel: [call_console_drivers+92/256]
> call_console_drivers+0x5c/0x100
> Jan 13 20:25:42 narco kernel: [release_console_sem+80/208]
> release_console_sem+0x50/0xd0
> Jan 13 20:25:42 narco kernel: [printk+264/368] printk+0x108/0x170
> Jan 13 20:25:42 narco kernel: [search_exception_tables+36/48]
> search_exception_tables+0x24/0x30
> Jan 13 20:25:42 narco kernel: [bitfill32+93/208] bitfill32+0x5d/0xd0
> Jan 13 20:25:42 narco kernel: [do_page_fault+359/1308]
> do_page_fault+0x167/0x51c
> Jan 13 20:25:42 narco kernel: [do_softirq+147/160] do_softirq+0x93/0xa0
> Jan 13 20:25:42 narco kernel: [do_IRQ+277/336] do_IRQ+0x115/0x150
> Jan 13 20:25:42 narco kernel: [common_interrupt+24/32]
> common_interrupt+0x18/0x20
> Jan 13 20:25:42 narco kernel: [cfb_imageblit+1598/1616]
> cfb_imageblit+0x63e/0x650
> Jan 13 20:25:42 narco kernel: [cfb_imageblit+1598/1616]
> cfb_imageblit+0x63e/0x650
> Jan 13 20:25:42 narco kernel: [do_page_fault+0/1308]
> do_page_fault+0x0/0x51c
> Jan 13 20:25:42 narco kernel: [error_code+45/64] error_code+0x2d/0x40
> Jan 13 20:25:42 narco kernel: [bitfill32+93/208] bitfill32+0x5d/0xd0
> Jan 13 20:25:42 narco kernel: [cfb_fillrect+379/768]
> cfb_fillrect+0x17b/0x300
> Jan 13 20:25:42 narco kernel: [soft_cursor+347/496]
> soft_cursor+0x15b/0x1f0
> Jan 13 20:25:42 narco kernel: [bitfill32+0/208] bitfill32+0x0/0xd0
> Jan 13 20:25:42 narco kernel: [accel_clear_margins+194/272]
> accel_clear_margins+0xc2/0x110
> Jan 13 20:25:42 narco kernel: [fbcon_scroll+1976/2768]
> fbcon_scroll+0x7b8/0xad0
> Jan 13 20:25:42 narco kernel: [scrup+274/304] scrup+0x112/0x130
> Jan 13 20:25:42 narco kernel: [lf+86/96] lf+0x56/0x60
> Jan 13 20:25:42 narco kernel: [do_con_trol+2859/3328]
> do_con_trol+0xb2b/0xd00
> Jan 13 20:25:42 narco kernel: [do_con_write+1082/1840]
> do_con_write+0x43a/0x730
> Jan 13 20:25:42 narco kernel: [con_put_char+51/64]
> con_put_char+0x33/0x40
> Jan 13 20:25:42 narco kernel: [opost+146/400] opost+0x92/0x190
> Jan 13 20:25:42 narco kernel: [write_chan+429/528]
> write_chan+0x1ad/0x210
> Jan 13 20:25:42 narco kernel: [default_wake_function+0/32]
> default_wake_function+0x0/0x20
> Jan 13 20:25:42 narco kernel: [default_wake_function+0/32]
> default_wake_function+0x0/0x20
> Jan 13 20:25:42 narco kernel: [tty_write+438/624] tty_write+0x1b6/0x270
> Jan 13 20:25:42 narco kernel: [write_chan+0/528] write_chan+0x0/0x210
> Jan 13 20:25:42 narco kernel: [vfs_write+140/208] vfs_write+0x8c/0xd0
> Jan 13 20:25:42 narco kernel: [sys_write+45/80] sys_write+0x2d/0x50
> Jan 13 20:25:42 narco kernel: [syscall_call+7/11] syscall_call+0x7/0xb
> Jan 13 20:25:42 narco kernel:
> Jan 13 20:25:42 narco kernel: Code: 89 03 83 c3 04 85 f6 75 06 be 08 00
> 00 00 47 8b 4c 24 04 49
>
> Greetings,
>
> Bastiaan
>
>

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