Re: System hangs when using USB 3.0 HD with on Ubuntu

Alan Stern
2010-04-07T14:36:01Z

On Wed, 7 Apr 2010, Jonas Schwertfeger wrote:

> Here is the trace with Mark's fix:
>
> ffff88003772c0c0 1008628966 S Bo:10:002:2 -115 31 = 55534243 95000000
> 00020000 80001085 082e0000 00010000 00000000 40ec00
> ffff88003772c0c0 1008629074 C Bo:10:002:2 0 31 >
> ffff880035b1d600 1008629094 S Bi:10:002:1 -115 512 <
> ffff880035b1d600 1008634784 C Bi:10:002:1 0 512 Z
> ffff88003772c0c0 1008634827 S Bi:10:002:1 -115 13 <
> ffff88003772c0c0 1008634861 C Bi:10:002:1 0 13 = 55534253 95000000
> 00000000 00
> ffff88003772c0c0 1008635021 S Bo:10:002:2 -115 31 = 55534243 96000000
> 00020000 80001085 082e0000 00010000 00000000 40a100
> ffff88003772c0c0 1008635050 C Bo:10:002:2 0 31 >
> ffff880035b1d600 1008635058 S Bi:10:002:1 -115 512 <
> ffff880035b1d600 1008635305 C Bi:10:002:1 -32 0
> ffff88003772c0c0 1008635375 S Co:10:002:0 s 02 01 0000 0081 0000 0
> ffff88003772c0c0 1008635645 C Co:10:002:0 0 0
> ffff88003772c0c0 1008635665 S Bi:10:002:1 -115 13 <
> ffff88003772c0c0 1008635910 C Bi:10:002:1 0 13 = 55534253 96000000
> 00020000 01
> ffff88003772c0c0 1008635925 S Bo:10:002:2 -115 31 = 55534243 97000000
> 60000000 80000603 00000060 00000000 00000000 000000
> ffff88003772c0c0 1008636017 C Bo:10:002:2 0 31 >
> ffff880035b1d600 1008636032 S Bi:10:002:1 -115 96 <
> ffff880035b1d600 1008636123 C Bi:10:002:1 0 96 Z
> ffff88003772c0c0 1008636137 S Bi:10:002:1 -115 13 <
> ffff88003772c0c0 1008636207 C Bi:10:002:1 0 13 = 55534253 97000000
> 00000000 00
> ffff88003772c0c0 1008638008 S Bo:10:002:2 -115 31 = 55534243 98000000
> 00100000 80000a28 00000000 00000008 00000000 000000
> ffff88003772c0c0 1008638101 C Bo:10:002:2 0 31 >
> ffff880008c53b40 1008638179 S Bi:10:002:1 -115 4096 <
> ffff880008c53b40 1008648547 C Bi:10:002:1 0 4096 Z
> ffff88003772c0c0 1008648627 S Bi:10:002:1 -115 13 <
> ffff88003772c0c0 1008648715 C Bi:10:002:1 0 13 = 55534253 98000000
> 00000000 00

This is not what I expected. What version of the kernel are you using?
Those 'Z' entries should not be possible in 2.6.33 or later.

Alan Stern

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