Hi,
I have an usb HP cd-writer plus 8200. It is not working properly with
usb-storage (linux 2.6.17.1 righ now, but does'nt work with eny 2.6 kernel,
udev 0.97), and is identified by the system as a hard disk (sda) insted of a
removable cd device (sr0).
it is plugged correctly and i see in /proc/bus/usb/devices
T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 9 Spd=12 MxCh= 0
D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=16 #Cfgs= 1
P: Vendor=03f0 ProdID=0207 Rev= 0.01
S: Product=HP USB CD-Writer Plus
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=01 Prot=ff Driver=usb-storage
E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=5ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
this cdwriter is identified by usb-storage module as a scsi disk, so i see
in /sys an entry as sda, and udev creates a /dev/sda device insted of
a /dev/sr0 device, so the cdwriter is not usable at all.
for what i see, my cd is already correctly insered in
linux/kernel/driver/usb/storage/unusual_devs.h
UNUSUAL_DEV( 0x03f0, 0x0207, 0x0001, 0x0001,
"HP",
"CD-Writer+ 8200e",
US_SC_8070, US_PR_USBAT, init_usbat, 0),
And I enabled usbat to include it in usb-storage.
Any hint? I cannot find someting wrong in unusual_devs.h...
if it helps I include also my lspci -v
Baldios:{root}:~>lspci -v
00:00.0 Host bridge: Intel Corporation 82865G/PE/P DRAM Controller/Host-Hub
Interface (rev 02)
Subsystem: Dell Unknown device 0151
Flags: bus master, fast devsel, latency 0
Memory at e0000000 (32-bit, prefetchable) [size=256M]
Capabilities: [e4] Vendor Specific Information
Capabilities: [a0] AGP version 3.0
00:01.0 PCI bridge: Intel Corporation 82865G/PE/P PCI to AGP Controller (rev
02) (prog-if 00 [Normal decode])
Flags: bus master, 66MHz, fast devsel, latency 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
Memory behind bridge: fd000000-feafffff
Prefetchable memory behind bridge: f0000000-f7ffffff
00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI
Controller #1 (rev 02) (prog-if 00 [UHCI])
Subsystem: Dell Unknown device 0151
Flags: bus master, medium devsel, latency 0, IRQ 177
I/O ports at ff80 [size=32]
00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI
Controller #2 (rev 02) (prog-if 00 [UHCI])
Subsystem: Dell Unknown device 0151
Flags: bus master, medium devsel, latency 0, IRQ 193
I/O ports at ff60 [size=32]
00:1d.2 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI
Controller #3 (rev 02) (prog-if 00 [UHCI])
Subsystem: Dell Unknown device 0151
Flags: bus master, medium devsel, latency 0, IRQ 169
I/O ports at ff40 [size=32]
00:1d.3 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI
Controller #4 (rev 02) (prog-if 00 [UHCI])
Subsystem: Dell Unknown device 0151
Flags: bus master, medium devsel, latency 0, IRQ 177
I/O ports at ff20 [size=32]
00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI
Controller (rev 02) (prog-if 20 [EHCI])
Subsystem: Dell Unknown device 0151
Flags: bus master, medium devsel, latency 0, IRQ 185
Memory at ffa80800 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2) (prog-if 00
[Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=32
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: fcf00000-fcffffff
00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface
Bridge (rev 02)
Flags: bus master, medium devsel, latency 0
00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE
Controller (rev 02) (prog-if 8a [Master SecP PriP])
Subsystem: Dell Unknown device 0151
Flags: bus master, medium devsel, latency 0, IRQ 169
I/O ports at <ignored>
I/O ports at <ignored>
I/O ports at <ignored>
I/O ports at <ignored>
I/O ports at ffa0 [size=16]
Memory at febffc00 (32-bit, non-prefetchable) [size=1K]
00:1f.2 IDE interface: Intel Corporation 82801EB (ICH5) SATA Controller (rev
02) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Dell Unknown device 0151
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 169
I/O ports at fe00 [size=8]
I/O ports at fe10 [size=4]
I/O ports at fe20 [size=8]
I/O ports at fe30 [size=4]
I/O ports at fea0 [size=16]
00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev
02)
Subsystem: Dell Unknown device 0151
Flags: medium devsel, IRQ 3
I/O ports at eda0 [size=32]
00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R)
AC'97 Audio Controller (rev 02)
Subsystem: Dell Unknown device 0151
Flags: bus master, medium devsel, latency 0, IRQ 201
I/O ports at ee00 [size=256]
I/O ports at edc0 [size=64]
Memory at febffa00 (32-bit, non-prefetchable) [size=512]
Memory at febff900 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2
01:00.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX 5500]
(rev a1) (prog-if 00 [VGA])
Flags: bus master, 66MHz, medium devsel, latency 248, IRQ 177
Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
Memory at f0000000 (32-bit, prefetchable) [size=128M]
[virtual] Expansion ROM at fea00000 [disabled] [size=128K]
Capabilities: [60] Power Management version 2
Capabilities: [44] AGP version 3.0
02:0c.0 Ethernet controller: Intel Corporation 82540EM Gigabit Ethernet
Controller (rev 02)
Subsystem: Dell PRO/1000 MT Network Connection
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 169
Memory at fcfe0000 (32-bit, non-prefetchable) [size=128K]
I/O ports at df40 [size=64]
Capabilities: [dc] Power Management version 2
Capabilities: [e4] PCI-X non-bridge device
Capabilities: [f0] Message Signalled Interrupts: 64bit+ Queue=0/0
Enable-
Please CC me since I'm not subscriber to usb-devel list.
regards
Luigi Genoni
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