Thanks Greg, Is there documentation or tests of the number of commands per LUN that the hardware can handle? The driver is clearly reading the value out of a register on the card. thanks, joe Greg Dickie wrote: > We've never had lockups like this but we did notice that the > megaraid_sas modules defaults to a much higher commands per lun setting > than the hardware seems to be able to handle. IIRC the default is 128 > and we lowered it to 16 for the 5i and 32 for the 5E. > > HTH, > Greg > > - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html