Re: More info about de USB HP 8230e and problems]

[Jens Axboe <axboe@suse.de>]

On Fri, Nov 24 2000, Drizzt wrote:
> I have using the next software:
> 
> a) test11 + storage checkout from linux-usb at sourceforge ( without 
>    this checkout fails too).
> 
> b) cdrecord 1.10a6
> 
> If I start to burn a CD at x4 speed, I have always the next error from
> cdrecord:
> Track 01: 102 of 109 MB written (fifo 100%)./opt/schily/bin/cdrecord:
> Input/output error. write_g1: scsi sendcmd: retryable error
> CDB:  2A 00 00 00 CD 03 00 00 1F 00
> status: 0x2 (CHECK CONDITION)
> Sense Bytes: 70 00 03 00 00 00 00 12 00 00 00 00 0C 09 00 00
> Sense Key: 0x3 Medium Error, Segment 0
> Sense Code: 0x0C Qual 0x09 (write error - loss of streaming) Fru 0x0
> Sense flags: Blk 0 (not valid)
> 
> Well the size of track varies in function that have buring.
> 
> With the storage-usb debug active I have the next log:
> 
> usb-storage: Command WRITE_10 (10 bytes)
> usb-storage: 2a 00 00 00 cd 03 00 00 1f 00 ff bf
> usb-storage: Transferred out 38 of 38 bytes
> usb-storage: Transferred out 32768 of 32768 bytes
> usb-storage: Transferred out 30720 of 30720 bytes
> usb-storage: -- transport indicates command failure
> usb-storage: Issuing auto-REQUEST_SENSE
> usb-storage: Transferred out 14 of 14 bytes
> usb-storage: Waited not busy for 0 steps
> usb-storage: Transferred out 12 of 12 bytes
> usb-storage: Waited not busy for 2 steps
> usb-storage: Transferred in 18 of 18 bytes
> usb-storage: 70 00 03 00 00 00 00 12 00 00 00 00 0C 09 00 00
> usb-storage: 00 00
> usb-storage: -- Result from auto-sense is 0
> usb-storage: -- code: 0x70, key: 0x3, ASC: 0xc, ASCQ: 0x9
				   ^^^^^^^^^^^^^^^^^^^^^^^^

Loss of streaming. The drive emptied it's buffer before any
new data was delivered to it.

> If I burning the CD with the same software at x2 speed with these computer I
> have no problem burning the CD.

Then you should probably just stay there, it seems things can't keep up.

-- 
* Jens Axboe <axboe@suse.de>
* SuSE Labs
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