On 3/12/07, Ivan Voras <[EMAIL PROTECTED]> wrote:
Vulpes Velox wrote:

> That is only true if the process is giant locked. When look at dmesg,
> look for things that say GIANT-LOCKED and those will be ones confined
> to one processor.

Which happens to include all SCSI devices I've encountered...
sigh.

And it's NOT rare to see giant locked processes on a heavily loaded web
server.


No Giants Here:
arcmsr0: <Areca SATA Host Adapter RAID Controller (RAID6 capable)
mem 0xc8400000-0xc8400fff,0xc8800000-0xc8bfffff irq 16 at device 14.0 on pci10
ARECA RAID ADAPTER0: Driver Version 1.20.00.13 2006-8-18
ARECA RAID ADAPTER0: FIRMWARE VERSION V1.41 2006-5-24

pass1 at arcmsr0 bus 0 target 16 lun 0
pass1: <Areca RAID controller R001> Fixed Processor SCSI-0 device
da0 at arcmsr0 bus 0 target 0 lun 0
da0: <Areca ARC-1220-VOL#00 R001> Fixed Direct Access SCSI-3 device
da0: 166.666MB/s transfers (83.333MHz, offset 32, 16bit), Tagged
Queueing Enabled
da0: 1430511MB (2929687040 512 byte sectors: 255H 63S/T 182364C)
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