Re: usb sound issue ...

[Andiry Xu <andiry.xu@xxxxxxx>]

On 07/12/2012 01:47 AM, Dr. Ing. Dieter Jurzitza wrote:
> Dear Sarah,
> dear Andiry,
> as I do not know wheter or not attachements to emails are tolerated in the
> mailing list, I send this directly to you - please advise if I'd send that
> somewhere else.
> Please find attached the result of dmesg after logout - login. According to
> your request, I activated both CONFIG_USB_DEBUG and
> CONFIG_USB_XHCI_HCD_DEBUGGING.
> Let me know if you need anything more than this .... thanks again,

The dmesg is catched with test patch applied, right?

[274418.776800] xhci_hcd 0000:00:14.0: xhci_drop_endpoint called for 
udev ffff880327d80800
[274418.776804] xhci_hcd 0000:00:14.0: drop ep 0x3, slot id 1, new drop 
flags = 0x40, new add flags = 0x0, new slot info = 0x8100000
[274418.776807] xhci_hcd 0000:00:14.0: xhci_check_bandwidth called for 
udev ffff880327d80800
[274418.776808] xhci_hcd 0000:00:14.0: New Input Control Context:
[274418.776811] xhci_hcd 0000:00:14.0: @ffff880037c2b000 (virt) 
@37c2b000 (dma) 0x000040 - drop flags
[274418.776813] xhci_hcd 0000:00:14.0: @ffff880037c2b004 (virt) 
@37c2b004 (dma) 0x000001 - add flags
[274418.776815] xhci_hcd 0000:00:14.0: @ffff880037c2b008 (virt) 
@37c2b008 (dma) 0x000000 - rsvd2[0]
[274418.776817] xhci_hcd 0000:00:14.0: @ffff880037c2b00c (virt) 
@37c2b00c (dma) 0x000000 - rsvd2[1]
[274418.776819] xhci_hcd 0000:00:14.0: @ffff880037c2b010 (virt) 
@37c2b010 (dma) 0x000000 - rsvd2[2]
[274418.776822] xhci_hcd 0000:00:14.0: @ffff880037c2b014 (virt) 
@37c2b014 (dma) 0x000000 - rsvd2[3]
[274418.776824] xhci_hcd 0000:00:14.0: @ffff880037c2b018 (virt) 
@37c2b018 (dma) 0x000000 - rsvd2[4]
[274418.776826] xhci_hcd 0000:00:14.0: @ffff880037c2b01c (virt) 
@37c2b01c (dma) 0x000000 - rsvd2[5]
[274418.776828] xhci_hcd 0000:00:14.0: Slot Context:
[274418.776830] xhci_hcd 0000:00:14.0: @ffff880037c2b020 (virt) 
@37c2b020 (dma) 0x8100000 - dev_info
[274418.776840] xhci_hcd 0000:00:14.0: @ffff880037c2b024 (virt) 
@37c2b024 (dma) 0x040000 - dev_info2
[274418.776842] xhci_hcd 0000:00:14.0: @ffff880037c2b028 (virt) 
@37c2b028 (dma) 0x000000 - tt_info
[274418.776844] xhci_hcd 0000:00:14.0: @ffff880037c2b02c (virt) 
@37c2b02c (dma) 0x000000 - dev_state
[274418.776846] xhci_hcd 0000:00:14.0: @ffff880037c2b030 (virt) 
@37c2b030 (dma) 0x000000 - rsvd[0]
[274418.776848] xhci_hcd 0000:00:14.0: @ffff880037c2b034 (virt) 
@37c2b034 (dma) 0x000000 - rsvd[1]
[274418.776850] xhci_hcd 0000:00:14.0: @ffff880037c2b038 (virt) 
@37c2b038 (dma) 0x000000 - rsvd[2]
[274418.776852] xhci_hcd 0000:00:14.0: @ffff880037c2b03c (virt) 
@37c2b03c (dma) 0x000000 - rsvd[3]
[274418.776854] xhci_hcd 0000:00:14.0: Endpoint 00 Context:
[274418.776856] xhci_hcd 0000:00:14.0: @ffff880037c2b040 (virt) 
@37c2b040 (dma) 0x000001 - ep_info
[274418.776858] xhci_hcd 0000:00:14.0: @ffff880037c2b044 (virt) 
@37c2b044 (dma) 0x080026 - ep_info2
[274418.776860] xhci_hcd 0000:00:14.0: @ffff880037c2b048 (virt) 
@37c2b048 (dma) 0x37739801 - deq
[274418.776862] xhci_hcd 0000:00:14.0: @ffff880037c2b050 (virt) 
@37c2b050 (dma) 0x000000 - tx_info
[274418.776864] xhci_hcd 0000:00:14.0: @ffff880037c2b054 (virt) 
@37c2b054 (dma) 0x000000 - rsvd[0]
[274418.776866] xhci_hcd 0000:00:14.0: @ffff880037c2b058 (virt) 
@37c2b058 (dma) 0x000000 - rsvd[1]
[274418.776868] xhci_hcd 0000:00:14.0: @ffff880037c2b05c (virt) 
@37c2b05c (dma) 0x000000 - rsvd[2]
[274418.776870] xhci_hcd 0000:00:14.0: Adding 0 ep ctxs, 3 now active.
[274418.776873] xhci_hcd 0000:00:14.0: Recalculating BW for rootport 4
[274418.776876] xhci_hcd 0000:00:14.0: Final bandwidth: 44, Limit: 1285, 
Reserved: 129, Available: 86 percent
[274418.776878] xhci_hcd 0000:00:14.0: // Ding dong!
[274418.776881] xhci_hcd 0000:00:14.0: Signal while waiting for 
configure endpoint command

Here the config ep command is interrupted(why?)

[274418.776883] xhci_hcd 0000:00:14.0: xhci_reset_bandwidth called for 
udev ffff880327d80800
[274418.776886] usb 3-4: Not enough bandwidth for altsetting 0

usb_set_interface failed.

[274418.776932] xhci_hcd 0000:00:14.0: Completed config ep cmd

Here the config ep command is completed, and the ep is disabled.

[274418.834168] [fglrx] IRQ 50 Disabled
[274419.224007] fglrx_pci 0000:01:00.0: irq 50 for MSI/MSI-X
[274419.224339] [fglrx] Firegl kernel thread PID: 17485
[274419.224458] [fglrx] Firegl kernel thread PID: 17486
[274419.224576] [fglrx] Firegl kernel thread PID: 17487
[274419.224646] [fglrx] IRQ 50 Enabled
[274419.297830] [fglrx] Gart USWC size:1280 M.
[274419.297832] [fglrx] Gart cacheable size:508 M.
[274419.297835] [fglrx] Reserved FB block: Shared offset:0, size:1000000
[274419.297836] [fglrx] Reserved FB block: Unshared offset:f8fd000, 
size:403000
[274419.297837] [fglrx] Reserved FB block: Unshared offset:3ffee000, 
size:12000
[274429.635112] xhci_hcd 0000:00:14.0: xhci_drop_endpoint called for 
udev ffff880327d80800
[274429.635116] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called 
with disabled ep ffff8803e0363880

Here software wants to set interface again, but the ep is already 
disabled by the last config ep command.

I wonder why I do not see the Signal while waiting for configure 
endpoint command line in the earliest dmesg.

Thanks,
Andiry



--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html