On 07/29/2010 12:55 PM, Randy Dunlap wrote: >> >> And device_shutdown calls every drivers .shutdown method. >> >> Things like this are always a driver problem. > > so is there a default .shutdown method for drivers that do not specify one? > > like the qla2xxx driver does not. > If it doesn't, even if bus mastering gets shut off at the core level, there is a risk that is clobbers data when it turns it back on if the initialization sequence is problematic. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
