[Pkg-libburnia-devel] Bug#789260: libburn4: Incompatibility with Plextor PX-608CU burner

[Дмитрий Нестеркин]

Kernel 3.18.16 gives me exactly the same error.
At the moment, I need to do some work stuff, but I'll be doing more
experiments ASAP.

2015-06-23 0:42 GMT+03:00 Дмитрий Нестеркин <undelborg at gmail.com>:

> I've downloaded 3.18.16 longterm kernel and plan to compile it on my
> system.
> Linux Mint (which is OK) uses kernel 3.13 and fedora 22 uses kernel 4.0
> (also ok).
> In fact there is a lot of UAS/USB bugs reported for kernel 3.16 (and some
> for 3.15 and 3.17).
>
> Controllers you mentioned are USB 3.0. My drive is definitely USB 2.0.
> However, if it looks like a duck, swim like a duck and quacks like a
> duck... I'll definitely need to try new kernel.
>
> 2015-06-22 21:34 GMT+03:00 Thomas Schmitt <scdbackup at gmx.net>:
>
>> Hi,
>>
>> > I have found some interesting discussion about UAS bugs in kernel 3.16:
>> > https://lists.debian.org/debian-kernel/2014/07/msg00318.html
>>
>> UAS ... google ... wikipedia ...
>> Well, it would be the natural way to perform SG_IO with a USB
>> device. Burn programs issue SCSI commands and UAS is designed
>> for transporting them. Wikipedia has:
>> "Version 3.18-rc4 of the Linux kernel disables buggy UAS
>>  implementation in xHCI host controllers Etron EJ168,
>>  ASMedia ASM1042,[19] and VIA VL80x.[20]"
>>
>> But i understand that UAS is quite a new protocol.
>> Is your drive's USB controller young enough ? (Actually
>> i assume the drive is SATA or IDE and the box has a
>> USB-SATA or USB-IDE bridge bridge.)
>>
>>
>> > An here comes the output from my kern.log:
>> > Jun 22 15:12:02 D-NESTERKIN kernel: [    1.508233] usb 3-2: Product:
>> PLEXTOR
>> > USB Storage Adapter
>>
>> They really give few clue about age and version of the
>> drive-side USB controller.
>> I googled for "PLEXTOR USB Storage Adapter" "UAS" and found
>> nearly nothing. Descriptions of UAS refer to hard disks and
>> SSDs, rather than optical drives. But - as stated - i expect
>> it to depend on the USB-SATA or USB-IDE controller of the
>> drive box.
>>
>>
>> In any case, recent changes in USB are obvious suspects.
>> Now i'm curious whether the working and non-working Linuxes
>> show a pattern with kernel revisions.
>>
>>
>> Have a nice day :)
>>
>> Thomas
>>
>>
>
>
> --
> С уважением,
> Нестеркин Дмитрий
>



-- 
С уважением,
Нестеркин Дмитрий
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