Subject: Msg from scsi aic7xxx driver or PCI layer on alpha

Hi

I got this messages from the pci allocator and the
scsi aic7xxx driver on kernel 2.6.4 on alpha after
reboot: (why is this driver don?t using dma?)

scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
<Adaptec 2940 Ultra SCSI adapter>
aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs

[..]
scsi0:A:3:0: Tagged Queuing enabled. Depth 128
PCI: Enabling device: (0000:00:07.0), cmd 7
XXX PCI: Unable to reserve mem region #2:1000@a051000 for device 0000:00:07.0
aic7xxx: <Adaptec AHA-294X Ultra SCSI host adapter> at PCI 0/7/0
XXX aic7xxx: I/O ports already in use, ignoring.

lspci -vv gives
00:07.0 SCSI storage controller: Adaptec AHA-2940U/UW/D / AIC-7881U (rev 01)
Subsystem: Adaptec AHA-2940UW SCSI Host Adapter
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32 (2000ns min, 2000ns max), cache line size 08
Interrupt: pin A routed to IRQ 26
Region 0: I/O ports at 8400 [size=256]
Region 1: Memory at 000000000a051000 (32-bit, non-prefetchable)
[size=4K]
Expansion ROM at 000000000a040000 [disabled] [size=64K]
Capabilities: [dc] Power Management version 1
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-



--
Tom

LINUX user since kernel 0.99.x 1994.
RPM Alpha packages at http://alpha.steudten.com/packages
Want to know what S.u.S.E 1995 cdrom-set contains?






2004-03-12 22:55:30

by Ivan Kokshaysky

[permalink] [raw]
Subject: Re: Msg from scsi aic7xxx driver or PCI layer on alpha

On Fri, Mar 12, 2004 at 04:42:59PM +0100, Thomas Steudten wrote:
> I got this messages from the pci allocator and the
> scsi aic7xxx driver on kernel 2.6.4 on alpha after
> reboot: (why is this driver don?t using dma?)

I suspect that you have both "old" and "new" AIC7xxx drivers enabled,
so all sorts of weird things can happen.

> scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36

This is from "new" driver.

> XXX PCI: Unable to reserve mem region #2:1000@a051000 for device 0000:00:07.0
> aic7xxx: <Adaptec AHA-294X Ultra SCSI host adapter> at PCI 0/7/0
> XXX aic7xxx: I/O ports already in use, ignoring.

And this is from "old" one. Naturally, I/O ports are already reserved
by the "new" driver.

Ivan.