Re: [usb-storage] System hangs when using USB 3.0 HD with on Ubuntu

Matthew Dharm
2010-03-26T19:28:06Z

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On Fri, Mar 26, 2010 at 11:40:21AM -0700, Sarah Sharp wrote:
> I think the amount of information is fine, but I'm not sure why the
> device would respond with a stall to this particular command, so I'm
> CC'ing the USB storage list and SCSI list. Does anyone know what the
> third command is? The USB storage driver reports it as an "unknown
> command". I can see from scsi.h that 0x85 is the code for ATA_16, but
> I'm not sure what that command actually does.

I've got nothing. BUT, usb-storage translates the command codes to names
via a table maintained by the SCSI people. If it's not in the table, then
it's very likely coming from a userspace program.

> Mar 24 18:53:36 js-workstation kernel: [ 253.414217] usb-storage: queuecommand called
> Mar 24 18:53:36 js-workstation kernel: [ 253.414222] usb-storage: *** thread awakened.
>
> Mar 24 18:53:36 js-workstation kernel: [ 253.414223] usb-storage: Command (unknown command) (16 bytes)
> Mar 24 18:53:36 js-workstation kernel: [ 253.414224] usb-storage: 85 08 2e 00 00 00 00 00 00 00 00 00 00 40 ec 00
> Mar 24 18:53:36 js-workstation kernel: [ 253.414229] usb-storage: Bulk Command S 0x43425355 T 0x2f L 512 F 128 Trg 0 LUN 0 CL 16
> Mar 24 18:53:36 js-workstation kernel: [ 253.414230] usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
> Mar 24 18:53:36 js-workstation kernel: [ 253.414378] usb-storage: Status code 0; transferred 31/31
> Mar 24 18:53:36 js-workstation kernel: [ 253.414379] usb-storage: -- transfer complete
> Mar 24 18:53:36 js-workstation kernel: [ 253.414380] usb-storage: Bulk command transfer result=0
> Mar 24 18:53:36 js-workstation kernel: [ 253.414381] usb-storage: usb_stor_bulk_transfer_sglist: xfer 512 bytes, 1 entries
> Mar 24 18:53:36 js-workstation kernel: [ 253.414458] xhci_hcd 0000:03:00.0: WARN: Stalled endpoint
> Mar 24 18:53:36 js-workstation kernel: [ 253.414529] usb-storage: Status code -32; transferred 0/512
> Mar 24 18:53:36 js-workstation kernel: [ 253.414530] usb-storage: clearing endpoint halt for pipe 0xc0008280
> Mar 24 18:53:36 js-workstation kernel: [ 253.414532] usb-storage: usb_stor_control_msg: rq=01 rqtype=02 value=0000 index=81 len=0
> Mar 24 18:53:36 js-workstation kernel: [ 253.414894] usb-storage: usb_stor_clear_halt: result = 0
> Mar 24 18:53:36 js-workstation kernel: [ 253.414895] usb-storage: Bulk data transfer result 0x2
> Mar 24 18:53:36 js-workstation kernel: [ 253.414896] usb-storage: Attempting to get CSW...
> Mar 24 18:53:36 js-workstation kernel: [ 253.414897] usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes
> Mar 24 18:53:36 js-workstation kernel: [ 253.414902] xhci_hcd 0000:03:00.0: WARN halted endpoint, queueing URB anyway.
> Mar 24 18:53:36 js-workstation kernel: [ 253.415168] usb-storage: Status code 0; transferred 13/13
> Mar 24 18:53:36 js-workstation kernel: [ 253.415169] usb-storage: -- transfer complete
> Mar 24 18:53:36 js-workstation kernel: [ 253.415170] usb-storage: Bulk status result = 0
> Mar 24 18:53:36 js-workstation kernel: [ 253.415171] usb-storage: Bulk Status S 0x53425355 T 0x2f R 512 Stat 0x2
> Mar 24 18:53:36 js-workstation kernel: [ 253.415172] usb-storage: -- transport indicates error, resetting
> Mar 24 18:53:36 js-workstation kernel: [ 253.415174] usb-storage: usb_stor_pre_reset
> Mar 24 18:53:36 js-workstation kernel: [ 253.415204] usb-storage: usb_stor_post_reset
>
> I'm trying to figure out if this device would benefit from any USB
> storage quirks being set.

Not that I'm aware of.

I find it interesting that an endpoint stalled, we cleared the endpoint,
but then it is still listed as halted. That seems odd to me....

Matt

--
Matthew Dharm Home: mdharm-usb@one-eyed-alien.net
Maintainer, Linux USB Mass Storage Driver

Pitr! That's brilliant! Funded by Microsoft refunds. What sweet irony!
-- A.J.
User Friendly, 2/15/1999

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