Re: [linux-usb-devel] on the system with companion host controller, error -71 returns

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attaching dmesgs.

--

Kiyoshi Sasaki <[email protected]>

Hello,

I see below errors in dmesg on ICH6/ICH7 machine:

usb 1-1: device not accepting address 2, error -71
or
usb 1-1: device descriptor read/all, error -71

I'm trying to debug it, but by now I can't make it.
Can you give me your help ?

----

On ICH6/ICH7, in case load sequence is uhci first and ehci second,
each controller is initialized/registered in usb_add_hcd() like below.

uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.1: UHCI Host Controller
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.3: UHCI Host Controller
ehci_hcd 0000:00:1d.7: EHCI Host Controller

And on ehci_hcd turn, usb_add_hcd() calls ehci_run() to start ehci.
In ehci_run(), it sets Configure Flag (CF) to 1 for enabling full
USB 2.0 functionality.

static int ehci_run (struct usb_hcd *hcd)
{
...
        /*
         * Start, enabling full USB 2.0 functionality ... usb 1.1 devices
         * are explicitly handed to companion controller(s), so no TT is
         * involved with the root hub.  (Except where one is integrated,
         * and there's no companion controller unless maybe for USB OTG.)
         */
        hcd->state = HC_STATE_RUNNING;
        writel (FLAG_CF, &ehci->regs->configured_flag);
...
}

On the other hand, uhci tries to get device information using
hub_set_address() and usb_get_device_descriptor().
These functions send URB, and URB is processed like below.
This is done asynchronously.

- uhci_irq()
  - uhci_scan_schedule()
    - uhci_scan_qh()
      - uhci_result_common()
        - uhci_map_status()

uhci_map_status() checks td_status. And the flag is TD_CTRL_STALLED
|TD_CTRL_CRCTIMEO, and return with error.
So, hub_set_address() and usb_get_device_descriptor() return -71.

After some debugging, I found if hub_set_address() and
usb_get_device_descriptor() is called before CF becomes 1,
no error returns. Conversely, if these are called even just after
CF becomes 1, error -71 returns.
CF becomes 1 means "writel (FLAG_CF, &ehci->regs->configured_flag)".

To avoid this error, my silly idea is

1) before set CF to 1, wait some asynchronous uhci processing
2) load ehci first and uhci second

But for 1), simple msleep() will not work well, and need to
control khubd and so on, so this seems not smart.


Do you have any idea to fix this issue ?

USB Universal Host Controller Interface driver v3.0
ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 23 (level, low) -> IRQ 233
PCI: Setting latency timer of device 0000:00:1d.0 to 64
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:1d.0: irq 233, io base 0x00003000
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 22 (level, low) -> IRQ 50
PCI: Setting latency timer of device 0000:00:1d.1 to 64
uhci_hcd 0000:00:1d.1: UHCI Host Controller
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:1d.1: irq 50, io base 0x00003020
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.2[B] -> GSI 22 (level, low) -> IRQ 50
PCI: Setting latency timer of device 0000:00:1d.2 to 64
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:1d.2: irq 50, io base 0x00003040
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.3[C] -> GSI 21 (level, low) -> IRQ 58
PCI: Setting latency timer of device 0000:00:1d.3 to 64
uhci_hcd 0000:00:1d.3: UHCI Host Controller
uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1d.3: irq 58, io base 0x00003060
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
usb 1-1: new full speed USB device using uhci_hcd and address 2
ohci_hcd: 2005 April 22 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 20 (level, low) -> IRQ 66
PCI: Setting latency timer of device 0000:00:1d.7 to 64
ehci_hcd 0000:00:1d.7: EHCI Host Controller
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 5
ehci_hcd 0000:00:1d.7: debug port 1
PCI: cache line size of 128 is not supported by device 0000:00:1d.7
ehci_hcd 0000:00:1d.7: irq 66, io mem 0xdfd00000
ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb5: configuration #1 chosen from 1 choice
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 8 ports detected
SCSI subsystem initialized
libata version 2.21 loaded.
ata_piix 0000:00:1f.2: version 2.11
ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 74
PCI: Setting latency timer of device 0000:00:1f.2 to 64
scsi0 : ata_piix
scsi1 : ata_piix
ata1: SATA max UDMA/133 cmd 0x000130e8 ctl 0x000130de bmdma 0x000130b0 irq 0
ata2: SATA max UDMA/133 cmd 0x000130e0 ctl 0x000130da bmdma 0x000130b8 irq 0
usb 1-1: device not accepting address 2, error -71
ata1.00: ata_hpa_resize 1: sectors = 156250080, hpa_sectors = 156301488
ata1.00: Host Protected Area detected:
	current size: 156250080 sectors
	native size: 156301488 sectors
ata1.00: ATA-7: WDC WD800JD-19MSA1, 10.01E01, max UDMA/133
ata1.00: 156250080 sectors, multi 16: LBA48 NCQ (depth 0/32)
ata1.00: ata_hpa_resize 1: sectors = 156250080, hpa_sectors = 156301488
ata1.00: Host Protected Area detected:
	current size: 156250080 sectors
	native size: 156301488 sectors
ata1.00: configured for UDMA/133
ATA: abnormal status 0x7F on port 0x000130e7
ATA: abnormal status 0x7F on port 0x000130e7
ata2.01: ata_hpa_resize 1: sectors = 156250080, hpa_sectors = 156301488
ata2.01: Host Protected Area detected:
	current size: 156250080 sectors
	native size: 156301488 sectors
ata2.01: ATA-7: WDC WD800JD-19MSA1, 10.01E01, max UDMA/133
ata2.01: 156250080 sectors, multi 16: LBA48 NCQ (depth 0/32)
ata2.01: ata_hpa_resize 1: sectors = 156250080, hpa_sectors = 156301488
ata2.01: Host Protected Area detected:
	current size: 156250080 sectors
	native size: 156301488 sectors
ata2.01: configured for UDMA/133
  Vendor: ATA       Model: WDC WD800JD-19MS  Rev: 10.0
  Type:   Direct-Access                      ANSI SCSI revision: 05
SCSI device sda: 156250080 512-byte hdwr sectors (80000 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: drive cache: write back
SCSI device sda: 156250080 512-byte hdwr sectors (80000 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: drive cache: write back
 sda: sda1 sda2 sda3
sd 0:0:0:0: Attached scsi disk sda
  Vendor: ATA       Model: WDC WD800JD-19MS  Rev: 10.0
  Type:   Direct-Access                      ANSI SCSI revision: 05
SCSI device sdb: 156250080 512-byte hdwr sectors (80000 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
SCSI device sdb: 156250080 512-byte hdwr sectors (80000 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
 sdb:
sd 1:0:1:0: Attached scsi disk sdb
usb 1-1: new full speed USB device using uhci_hcd and address 4
usb 1-1: configuration #1 chosen from 1 choice
input: ServerEngines SE USB Device as /class/input/input0
input: USB HID v1.11 Keyboard [ServerEngines SE USB Device] on usb-0000:00:1d.0-1
input: ServerEngines SE USB Device as /class/input/input1
input: USB HID v1.11 Mouse [ServerEngines SE USB Device] on usb-0000:00:1d.0-1
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
SELinux:  Disabled at runtime.
SELinux:  Unregistering netfilter hooks
audit(1184168677.728:2): selinux=0 auid=4294967295
intel_rng: FWH not detected
input: PC Speaker as /class/input/input2
input: PS/2 Generic Mouse as /class/input/input3
ACPI: PCI Interrupt 0000:00:1f.3[B] -> GSI 19 (level, low) -> IRQ 74
hda: ATAPI 24X DVD-ROM drive, 256kB Cache, UDMA(66)
Uniform CD-ROM driver Revision: 3.20
Intel(R) PRO/1000 Network Driver - version 7.2.9-k2-NAPI
Copyright (c) 1999-2006 Intel Corporation.
ACPI: PCI Interrupt 0000:0a:00.0[A] -> GSI 16 (level, low) -> IRQ 169
PCI: Setting latency timer of device 0000:0a:00.0 to 64
e1000: 0000:0a:00.0: e1000_probe: (PCI Express:2.5Gb/s:32-bit) 00:16:e6:5c:e0:fe
sd 0:0:0:0: Attached scsi generic sg0 type 0
sd 1:0:1:0: Attached scsi generic sg1 type 0
e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
ACPI: PCI Interrupt 0000:0b:00.0[A] -> GSI 17 (level, low) -> IRQ 177
PCI: Setting latency timer of device 0000:0b:00.0 to 64
e1000: 0000:0b:00.0: e1000_probe: (PCI Express:2.5Gb/s:32-bit) 00:16:e6:5c:e0:ff
e1000: eth1: e1000_probe: Intel(R) PRO/1000 Network Connection
floppy0: no floppy controllers found
lp: driver loaded but no devices found
ACPI: Power Button (FF) [PWRF]
ACPI: Power Button (CM) [PWRB]
ibm_acpi: ec object not found
USB Universal Host Controller Interface driver v3.0
GSI 19 sharing vector 0x92 and IRQ 19
ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 21 (level, low) -> IRQ 146
PCI: Setting latency timer of device 0000:00:1d.0 to 64
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:1d.0: irq 146, io base 0x00001000
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.1[A] -> GSI 21 (level, low) -> IRQ 146
PCI: Setting latency timer of device 0000:00:1d.1 to 64
uhci_hcd 0000:00:1d.1: UHCI Host Controller
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:1d.1: irq 146, io base 0x00001020
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
GSI 20 sharing vector 0x9A and IRQ 20
ACPI: PCI Interrupt 0000:00:1d.2[B] -> GSI 23 (level, low) -> IRQ 154
PCI: Setting latency timer of device 0000:00:1d.2 to 64
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:1d.2: irq 154, io base 0x00001040
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
usb 1-1: new full speed USB device using uhci_hcd and address 2
GSI 21 sharing vector 0xA2 and IRQ 21
ACPI: PCI Interrupt 0000:00:1d.3[C] -> GSI 22 (level, low) -> IRQ 162
PCI: Setting latency timer of device 0000:00:1d.3 to 64
uhci_hcd 0000:00:1d.3: UHCI Host Controller
uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1d.3: irq 162, io base 0x00001060
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
ohci_hcd: 2005 April 22 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
GSI 22 sharing vector 0xAA and IRQ 22
ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 20 (level, low) -> IRQ 170
PCI: Setting latency timer of device 0000:00:1d.7 to 64
ehci_hcd 0000:00:1d.7: EHCI Host Controller
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 5
ehci_hcd 0000:00:1d.7: debug port 1
PCI: cache line size of 32 is not supported by device 0000:00:1d.7
ehci_hcd 0000:00:1d.7: irq 170, io mem 0xdf700000
ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb5: configuration #1 chosen from 1 choice
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 8 ports detected
usb 1-1: device descriptor read/all, error -71
SCSI subsystem initialized
megasas: 00.00.03.05 Mon Oct 02 11:21:32 PDT 2006
megasas: 0x1000:0x0060:0x1033:0x835a: bus 3:slot 0:func 0
ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 16 (level, low) -> IRQ 169
PCI: Setting latency timer of device 0000:03:00.0 to 64
megasas: FW now in Ready state
scsi0 : LSI Logic SAS based MegaRAID driver
  Vendor: SEAGATE   Model: ST973402SS        Rev: 0002
  Type:   Direct-Access                      ANSI SCSI revision: 05
  Vendor: SEAGATE   Model: ST973402SS        Rev: 0002
  Type:   Direct-Access                      ANSI SCSI revision: 05
  Vendor: LSI       Model: MegaRAID SAS RMB  Rev: 1.12
  Type:   Direct-Access                      ANSI SCSI revision: 05
SCSI device sda: 141885440 512-byte hdwr sectors (72645 MB)
sda: Write Protect is off
sda: Mode Sense: 1f 00 10 08
SCSI device sda: drive cache: write through w/ FUA
SCSI device sda: 141885440 512-byte hdwr sectors (72645 MB)
sda: Write Protect is off
sda: Mode Sense: 1f 00 10 08
SCSI device sda: drive cache: write through w/ FUA
 sda: sda1 sda2 sda3
sd 0:2:0:0: Attached scsi disk sda
libata version 2.21 loaded.
ata_piix 0000:00:1f.2: version 2.11
ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
GSI 23 sharing vector 0xB2 and IRQ 23
ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 178
ata_piix 0000:00:1f.2: 0x1F0 IDE port busy
PCI: Setting latency timer of device 0000:00:1f.2 to 64
scsi1 : ata_piix
scsi2 : ata_piix
ata1: DUMMY
ata2: SATA max UDMA/133 cmd 0x0000000000010170 ctl 0x0000000000010376 bmdma 0x00000000000110a8 irq 15
ATA: abnormal status 0x7F on port 0x0000000000010177
usb 5-7: new high speed USB device using ehci_hcd and address 3
usb 5-7: configuration #1 chosen from 1 choice
hub 5-7:1.0: USB hub found
hub 5-7:1.0: 3 ports detected
usb 1-1: new full speed USB device using uhci_hcd and address 4
usb 1-1: configuration #1 chosen from 1 choice
input: ServerEngines SE USB Device as /class/input/input0
input: USB HID v1.11 Keyboard [ServerEngines SE USB Device] on usb-0000:00:1d.0-1
input: ServerEngines SE USB Device as /class/input/input1
input: USB HID v1.11 Mouse [ServerEngines SE USB Device] on usb-0000:00:1d.0-1
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
SELinux:  Disabled at runtime.
SELinux:  Unregistering netfilter hooks
audit(1184930680.318:2): selinux=0 auid=4294967295
input: PC Speaker as /class/input/input2
Intel(R) PRO/1000 Network Driver - version 7.2.9-k2-NAPI
Copyright (c) 1999-2006 Intel Corporation.
ACPI: PCI Interrupt 0000:14:00.0[A] -> GSI 18 (level, low) -> IRQ 185
PCI: Setting latency timer of device 0000:14:00.0 to 64
e1000: 0000:14:00.0: e1000_probe: (PCI Express:2.5Gb/s:32-bit) 00:0e:0c:e2:e5:78
e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
ACPI: PCI Interrupt 0000:14:00.1[B] -> GSI 19 (level, low) -> IRQ 178
PCI: Setting latency timer of device 0000:14:00.1 to 64
e1000: 0000:14:00.1: e1000_probe: (PCI Express:2.5Gb/s:32-bit) 00:0e:0c:e2:e5:79
e1000: eth1: e1000_probe: Intel(R) PRO/1000 Network Connection
shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
ACPI: PCI Interrupt 0000:00:1f.3[B] -> GSI 19 (level, low) -> IRQ 178
hda: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache
Uniform CD-ROM driver Revision: 3.20
intel_rng: FWH not detected
input: PS/2 Generic Mouse as /class/input/input3
sd 0:2:0:0: Attached scsi generic sg0 type 0
floppy0: no floppy controllers found
lp: driver loaded but no devices found
ACPI: Power Button (FF) [PWRF]
ibm_acpi: ec object not found

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