--- Exception: 0--- Exception: 0 at scsi_io_completion+0x4/0x370
at scsi_io_completion+0x4/0x370
LR = 0xc0416000
[C0417CF0] [C01DA988] scsi_end_request+0x30/0x128(unreliable)
--- Exception: 501--- Exception: 501 at cpu_idle+0x70/0xf4
at cpu_idle+0x70/0xf4
LR = cpu_idle+0xa0/0xf4
[C0417F80] [C0009FC0] cpu_idle+0xf0/0xf4(unreliable)
另外,我看了一下USB OHCI Specification, 上面说了这样的话,即在IntrStatus中,当Host Controller检测到一个与USB无关的系统错误时会将IntrStatus中的UE(Unrecoverable Error)位置1[UE—Unrecoverable Error:This bit is set when the Host Controller detects a system error not releated to USB];我想请教一下大家,这个所谓的system error具体包括哪些呢? 谢谢了;