Re: i.MX 257 ARM-CPU: framebuffer error "division by zero"

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The error snipped in first post is not from the beginning it's from the end.
This is from the beginning.
And there is named "imxfb", too.

For this error "video=imxfb:SVGA-16@60" is set in kernel command line:

The full messages are here: http://paste.debian.net/hidden/3d16ba27/

[<80246f78>] (register_framebuffer+0x17c/0x230) from [<80586ab8>] (imxfb_probe+0x3c8/0x5a8) [<80586ab8>] (imxfb_probe+0x3c8/0x5a8) from [<80286ba8>] (platform_drv_probe+0x14/0x18) [<80286ba8>] (platform_drv_probe+0x14/0x18) from [<802858b0>] (driver_probe_device+0x80/0x20c) [<802858b0>] (driver_probe_device+0x80/0x20c) from [<80285ac8>] (__driver_attach+0x8c/0x90) [<80285ac8>] (__driver_attach+0x8c/0x90) from [<80284230>] (bus_for_each_dev+0x64/0x8c) [<80284230>] (bus_for_each_dev+0x64/0x8c) from [<802849b0>] (bus_add_driver+0xa4/0x230) [<802849b0>] (bus_add_driver+0xa4/0x230) from [<80286098>] (driver_register+0x78/0x140) [<80286098>] (driver_register+0x78/0x140) from [<80286ef4>] (platform_driver_probe+0x18/0x9c) [<80286ef4>] (platform_driver_probe+0x18/0x9c) from [<805866d8>] (imxfb_init+0x88/0xa0) [<805866d8>] (imxfb_init+0x88/0xa0) from [<800087e4>] (do_one_initcall+0x30/0x178) [<800087e4>] (do_one_initcall+0x30/0x178) from [<80576310>] (kernel_init+0xe4/0x1b0) [<80576310>] (kernel_init+0xe4/0x1b0) from [<80015268>] (kernel_thread_exit+0x0/0x8)
Division by zero in kernel.
[<80019ba4>] (unwind_backtrace+0x0/0xf4) from [<8022accc>] (Ldiv0+0x8/0x10)
[<8022accc>] (Ldiv0+0x8/0x10) from [<8022ac9c>] (__aeabi_uidivmod+0x8/0x18)
[<8022ac9c>] (__aeabi_uidivmod+0x8/0x18) from [<80254198>] (cfb_imageblit+0x1fc/0x4b0) [<80254198>] (cfb_imageblit+0x1fc/0x4b0) from [<80251964>] (bit_putcs+0x2e4/0x420) [<80251964>] (bit_putcs+0x2e4/0x420) from [<8024bde0>] (fbcon_putcs+0xec/0x128) [<8024bde0>] (fbcon_putcs+0xec/0x128) from [<802741f8>] (do_update_region+0x108/0x18c) [<802741f8>] (do_update_region+0x108/0x18c) from [<80275970>] (update_region+0x70/0x88) [<80275970>] (update_region+0x70/0x88) from [<8024dd08>] (fbcon_switch+0x468/0x4bc) [<8024dd08>] (fbcon_switch+0x468/0x4bc) from [<80276c84>] (redraw_screen+0x15c/0x278) [<80276c84>] (redraw_screen+0x15c/0x278) from [<80279e90>] (take_over_console+0x2cc/0x37c) [<80279e90>] (take_over_console+0x2cc/0x37c) from [<8024cacc>] (fbcon_takeover+0x70/0xd4) [<8024cacc>] (fbcon_takeover+0x70/0xd4) from [<8042541c>] (notifier_call_chain+0x44/0x84) [<8042541c>] (notifier_call_chain+0x44/0x84) from [<8004a2a0>] (__blocking_notifier_call_chain+0x4c/0x64) [<8004a2a0>] (__blocking_notifier_call_chain+0x4c/0x64) from [<8004a2d0>] (blocking_notifier_call_chain+0x18/0x20) [<8004a2d0>] (blocking_notifier_call_chain+0x18/0x20) from [<80246f78>] (register_framebuffer+0x17c/0x230) [<80246f78>] (register_framebuffer+0x17c/0x230) from [<80586ab8>] (imxfb_probe+0x3c8/0x5a8) [<80586ab8>] (imxfb_probe+0x3c8/0x5a8) from [<80286ba8>] (platform_drv_probe+0x14/0x18) [<80286ba8>] (platform_drv_probe+0x14/0x18) from [<802858b0>] (driver_probe_device+0x80/0x20c) [<802858b0>] (driver_probe_device+0x80/0x20c) from [<80285ac8>] (__driver_attach+0x8c/0x90) [<80285ac8>] (__driver_attach+0x8c/0x90) from [<80284230>] (bus_for_each_dev+0x64/0x8c) [<80284230>] (bus_for_each_dev+0x64/0x8c) from [<802849b0>] (bus_add_driver+0xa4/0x230) [<802849b0>] (bus_add_driver+0xa4/0x230) from [<80286098>] (driver_register+0x78/0x140) [<80286098>] (driver_register+0x78/0x140) from [<80286ef4>] (platform_driver_probe+0x18/0x9c) [<80286ef4>] (platform_driver_probe+0x18/0x9c) from [<805866d8>] (imxfb_init+0x88/0xa0) [<805866d8>] (imxfb_init+0x88/0xa0) from [<800087e4>] (do_one_initcall+0x30/0x178) [<800087e4>] (do_one_initcall+0x30/0x178) from [<80576310>] (kernel_init+0xe4/0x1b0) [<80576310>] (kernel_init+0xe4/0x1b0) from [<80015268>] (kernel_thread_exit+0x0/0x8)


Without this setting the CPU does stop working (for JTAG debugger it has the same effect as board is in power off state):

177772 bytes written at address 0x811ffc00
downloaded 177772 bytes in 19.548666s (8.881 KiB/s)
WARNING: unknown debug reason: 0xf
ThumbEE -- incomplete support
target state: halted
target halted in ThumbEE state due to debug-request, current mode: System
cpsr: 0xffffffff pc: 0xfffffff9
MMU: enabled, D-Cache: enabled, I-Cache: enabled



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