Re: old_scheme_first = 0 in drivers/usb/core/hub.c

Jason,

Thanks for your response. Following is log from
2.6.19.2 and 2.6.10. Pretty long.

1. kernel 2.6.19.2

usbmon: debugfs is not available
fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host
Controller
fsl-ehci fsl-ehci.0: new USB bus registered, assigned
bus number 1
fsl-ehci fsl-ehci.0: irq 36, io base 0x43f88400
fsl-ehci fsl-ehci.0: USB 2.0 started, EHCI 1.00,
driver 10 Dec 2004
usb usb1: Product: Freescale On-Chip EHCI Host
Controller
usb usb1: Manufacturer: Linux 2.6.19.2 ehci_hcd
usb usb1: SerialNumber: fsl-ehci.0
c->desc.bMaxPower = 0,udev->bus_mA = 500
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
fsl-ehci fsl-ehci.1: Freescale On-Chip EHCI Host
Controller
fsl-ehci fsl-ehci.1: new USB bus registered, assigned
bus number 2
fsl-ehci fsl-ehci.1: irq 37, io base 0x43f88000
fsl-ehci fsl-ehci.1: USB 2.0 started, EHCI 1.00,
driver 10 Dec 2004
usb usb2: Product: Freescale On-Chip EHCI Host
Controller
usb usb2: Manufacturer: Linux 2.6.19.2 ehci_hcd
usb usb2: SerialNumber: fsl-ehci.1
c->desc.bMaxPower = 0,udev->bus_mA = 500
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 1 port detected
Initializing USB Mass Storage driver...
usb 1-1: new high speed USB device using fsl-ehci and
address 2
usb 1-1: Product: USB Storage
c->desc.bMaxPower = 48,udev->bus_mA = 500
usb 1-1: configuration #1 chosen from 1 choice
usb 2-1: new high speed USB device using fsl-ehci and
address 2
usb 2-1: Product: USB 2.0 Network Adapter ver.2
usb 2-1: Manufacturer:
usb 2-1: SerialNumber: 00FFFF
c->desc.bMaxPower = 125,udev->bus_mA = 500
usb 2-1: configuration #1 chosen from 1 choice
Enter scsi_host_alloc
scsi0 : SCSI emulation for USB Mass Storage devices
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usbcore: registered new interface driver hiddev
usbcore: registered new interface driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
usbcore: registered new interface driver xpad
drivers/usb/input/xpad.c: X-Box pad driver:v0.0.6
eth0: register 'asix' at usb-fsl-ehci.1-1, ASIX
AX88772 USB 2.0 Ethernet, 00:1a:70:8f:89:47
usbcore: registered new interface driver asix
usbcore: registered new interface driver cdc_ether
usbcore: registered new interface driver rndis_host
MXC keypad loaded
i2c /dev entries driver
MXC MMC/SD driver
mxcmci-0 found
oprofile: using arm/arm11
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
VFP support v0.3: implementor 41 architecture 1 part
20 variant b rev 2
Waiting 8sec before mounting root device...
scsi 0:0:0:0: Direct-Access     ST760211 DE           
   0014 PQ: 0 ANSI: 0
SCSI device sda: 117210240 512-byte hdwr sectors
(60012 MB)
sda: Write Protect is off
sda: assuming drive cache: write through
SCSI device sda: 117210240 512-byte hdwr sectors
(60012 MB)
sda: Write Protect is off
sda: assuming drive cache: write through
 sda:<7>usb-storage: queuecommand called
 sda1
sd 0:0:0:0: Attached scsi disk sda
sd 0:0:0:0: Attached scsi generic sg0 type 0
No filesystem could mount root, tried:  ext2 cramfs

2. kernel 2.6.10

MXC MTD nor Driver 2.0
physmap flash device: 2000000 at a0000000
MXC MTD nand Driver 2.0
WARNING: HS2 ULPI Transceiver Init Skipped...
ehci_hcd_h2 ehci_hcd_h2: new USB bus registered,
assigned bus number 1
ehci_hcd_h2 ehci_hcd_h2: USB 0.0 initialized, EHCI
1.00, driver 26 Oct 2004
usb usb1: Product: Freescale ARC_OTG
usb usb1: Manufacturer: Linux 2.6.10_dev ehci_hcd
usb usb1: SerialNumber: ehci_hcd_h2
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
otg_hs_set_vbus_power
WARNING: OTG ULPI Transceiver Init Skipped...
ehci_hcd_otg_hs ehci_hcd_otg_hs: new USB bus
registered, assigned bus number 2
ehci_hcd_otg_hs ehci_hcd_otg_hs: USB 0.0 initialized,
EHCI 1.00, driver 26 Oct 2004
usb usb2: Product: Freescale ARC_OTG
usb usb2: Manufacturer: Linux 2.6.10_dev ehci_hcd
usb usb2: SerialNumber: ehci_hcd_otg_hs
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 1 port detected
sl811: driver sl811-hcd, 06 Dec 2004
Initializing USB Mass Storage driver...
usb 1-1: new high speed USB device using ehci_hcd_h2
and address 2
usb 1-1: Product: USB Storage
scsi0 : SCSI emulation for USB Mass Storage devices
usbcore: registered new driver usb-storage
USB Mass Storage support registered.
usb 2-1: new high speed USB device using
ehci_hcd_otg_hs and address 2
usb 2-1: Product: USB 2.0 Network Adapter ver.2
usb 2-1: Manufacturer:
usb 2-1: SerialNumber: 00FFFF
usbcore: registered new driver hiddev
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.0:USB HID core driver
usbcore: registered new driver xpad
drivers/usb/input/xpad.c: X-Box pad driver:v0.0.5
usbcore: registered new driver usbnet
MXC keypad loaded
MXC MMC/SD driver
SDIO port1: active: CSR WiFi Device
mxcmci-0 found
SDIO Port 2: active: Micro-SD:GPIO3_0:High  DVB-H:Low
SDIO Port 2: Setting GPIO3_0 HIGH for Micro-SD U512
pin 6
mxcmci-1 found
NET: Registered protocol family 2
mmc_setup - Paul-1a err = 1
mmc_setup - Paul-1b ocr = 0
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 4096 bind
8192)
mmc_setup - Paul-2 err = 1
NET: Registered protocol family 1
NET: Registered protocol family 17
VFP support v0.3: implementor 41 architecture 1 part
20 variant b rev 2
mmc_setup - Paul-1a err = 1
mmc_setup - Paul-1b ocr = 0
mmc_setup - Paul-2 err = 1
Waiting 8sec before mounting root device...
  Vendor: ST760211  Model: DE                Rev: 0014
  Type:   Direct-Access                      ANSI SCSI
revision: 00
Paul in slave_configure:
us->pusb_dev->descriptor.idVendor = 0x5e3 max_sectos=
64
SCSI device sda: 117210240 512-byte hdwr sectors
(60012 MB)
sda: assuming drive cache: write through
SCSI device sda: 117210240 512-byte hdwr sectors
(60012 MB)
sda: assuming drive cache: write through
 sda:<7>usb-storage: queuecommand called
 sda1
Attached scsi disk sda at scsi0, channel 0, id 0, lun
0
yaffs: dev is 8388609 name is "sda1"
yaffs: Attempting MTD mount on 8.1, "sda1"
yaffs: dev is 8388609 name is "sda1"
yaffs: Attempting MTD mount on 8.1, "sda1"


--henry

--- jidong xiao <[email protected]> wrote:

> On 10/10/07, jidong xiao <[email protected]>
> wrote:
> > On 10/10/07, hong zhang <[email protected]>
> wrote:
> > > List,
> > >
> > > I am working on a freescale IMX31(ARM) based
> board
> > > that has two USB hosts. Host2 connecs to usb
> scsi hard
> > > disk(30GB). It is detected in kernel 2.6.10. But
> it
> > > could not be detected when kernel upgrades to
> > > 2.6.19.2. We has gone back to old_scheme_first=1
> > > (default is 0) at drivers/usb/core/hub.c. hub.c
> > > explains if new usb scheme does not detect
> device it
> > > will try old scheme. Obviously, I have to hard
> code
> > > old_scheme_first=1 and usb scsi hard disk will
> be
> > > detected.
> > >
> > > Any comment will be appreciated.
> 
> By the way, can you please paste your log files for
> against both
> 2.6.10 and 2.6.19.2, I feel from the source
> perspective, the logic
> here is something abnormal. In 2.6.10 we use the new
> scheme by
> default, and in 2.6.19.2 we use the new scheme first
> and then if it
> fails the old scheme will be used. So it's strange
> the new kernel
> could _not_ get the descriptor.
> 
> Regards
> Jason
> 



       
____________________________________________________________________________________
Building a website is a piece of cake. Yahoo! Small Business gives you all the tools to get online.
http://smallbusiness.yahoo.com/webhosting 

-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems?  Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >> http://get.splunk.com/
_______________________________________________
[email protected]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel