Comment # 32
on bug 82455
from charlie
>>radeon: The kernel rejected CS, see dmesg for more information
This error is showed in the drm_ioctl function.The part code show as follow:
468 if (cmd & IOC_OUT) { //error place,
469 printk(KERN_EMERG "cmd & IOC_OUT\n");
470 if (copy_to_user((void __user *)arg, kdata,
471 usize) != 0){
472 printk(KERN_EMERG "cmd & IOC_OUT error\n");
473 retcode = -EFAULT;
474 }
475 }
The copy_from_user havn't error, So the error is cause by parameter.
Or, PAGE_SIZE cause it ?
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