Public bug reported:
I have a EDIROL UA-1A USB soundcard which for the most part under 12.04
worked however after a period of uptime, ALSA calls started failing with
messages of this nature:
ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_o
I've performed the upgrade from 12.04 to 14.04 over the Christmas break
which has restored all the repositories back to default (I was using the
PPA from Rolf's PPA to work round this) and can confirm it's all working
now. There's still the massive delay on the start of the initial scan
(as mention
re #31, in my original bug report, I'd tentatively concluded this was an
issue with USB3 and I note in your report you also have issues with
USB3. For me, as I mentioned in #23, installing the updated sane
backends pretty much fixed this problem for me on a USB3 root hub. It's
still fairly temperam
Allow me to retract my last comment, those eagle eyed amongst you may
have spotted the syntax error in my use of the scanimage command (should
be --format not -format, clearly operator incompetence there). With that
corrected, I too can also confirm correct operation with the Scanjet.
There does ap
I installed sane-backends - 1.0.25-git20150121-precise0 and upgraded
libsane, sane-utils and libsane-common but this didn't fix the issue for
me.
scanimage -L
now appears to consistently identify the scanner:
device `plustek:libusb:001:019' is a Hewlett-Packard Scanjet 2100c
flatbed scanner
but
This same bug I posted on the SANE developers page - #314472,
https://alioth.debian.org/tracker/?func=detail&atid=410366&aid=314472&group_id=30186
has now been marked as fixed by one of the developers (Gerhard Jaeger)
as follows:
"I close this PR now, as it is fixed in the sources since 16.12.2014
No it isn't a gneral USB3 problem - I would imagine far more people
would be getting excited if it was (although I've seen some sporadic
disconnects with USB1 printers but not convinced that is related). My
guess (and it is just a guess) is that it is something about the
userspace interface that th
Public bug reported:
I have a HP Scanject 2100c and a Canoscan LIDE-25 both of which use the
Sane plustek backend for comms. My PC only has a USB 3 root hub, when
either of these devices are connected, either directly or via an
external USB 2 hub, they do not work.
In general (although not always
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