Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2022-03-29 Thread David Ward
On 3/29/2022 8:13 AM, David Ward wrote: The 32-bit overflow issue with the backend should be fixed now in libsane1 1.1.1-5. With that installed, can you please try xsane again? Is there still an issue with colors? If you experience segmentation faults, can you please try to obtain a

Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2022-03-29 Thread David Ward
Philipp, On 2/21/2022 5:01 AM, Philipp Klaus Krause wrote: On 12/9/2020 8:22 AM, Philipp Klaus Krause wrote: Summary: The situation improved somewhat, but is still far from perfect: There is still an odd waiting time when starting to scan at 2400 or 4800 (at 1200 and below the scan starts

Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2022-03-01 Thread David Ward
tags 942176 + fixed-upstream stop This was a 32-bit integer overflow issue. Note that a full size, 4800 dpi color scan produces an image that is > 6 GiB uncompressed.

Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2022-02-27 Thread David Ward
On 2/27/2022 6:55 PM, David Ward wrote: Both issues have just been reproduced upstream. Discussion at: https://gitlab.com/sane-project/backends/-/merge_requests/374#note_856438189 Cloning this bug in Debian, since there seem to be separate issues in the backend (libsane1) and the graphical

Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2022-02-27 Thread David Ward
On 2/21/2022 5:01 AM, Philipp Klaus Krause wrote: I have not been able to reproduce the bug using scanimage from the command line¹ (did various scans at 2400 and 4800 dpi today, using Debian testing). Both speed and color were fine using scanimage from the command line. But I can reproduce

Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2022-02-27 Thread David Ward
On 2/21/2022 5:01 AM, Philipp Klaus Krause wrote: I do get a different bug with scanimage though: For a full-size scan at 4800 dpi, two thirds of the image are just gray. Does the problem you see from scanimage happen with version 1.1.1 (of libsane1, libsane-common, sane-utils, etc.)?

Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2022-02-21 Thread Philipp Klaus Krause
Am 17.02.22 um 03:02 schrieb David Ward: It seems very likely that the original problem is an upstream bug in SANE. There are a few issues reported there specifically against the Canon LiDE 220 that sound very similar: https://gitlab.com/sane-project/backends/-/issues/439

Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2022-02-16 Thread David Ward
It seems very likely that the original problem is an upstream bug in SANE. There are a few issues reported there specifically against the Canon LiDE 220 that sound very similar: https://gitlab.com/sane-project/backends/-/issues/439 https://gitlab.com/sane-project/backends/-/issues/518 On

Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2020-12-09 Thread Philipp Klaus Krause
Am 08.12.20 um 20:24 schrieb Jörg Frings-Fürst: > tags 942176 + moreinfo > thanks > > > > Hello Philipp, > > please can you check if the bug still exists in the current version?  I just checked usinghte current version in Debian testing. There are still problems at 2400 and 4800 resolutions,

Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2020-12-08 Thread Jörg Frings-Fürst
tags 942176 + moreinfo thanks Hello Philipp, please can you check if the bug still exists in the current version?  CU Jörg -- New: GPG Fingerprint: 63E0 075F C8D4 3ABB 35AB  30EE 09F8 9F3C 8CA1 D25D GPG key (long) : 09F89F3C8CA1D25D GPG Key: 8CA1D25D CAcert Key S/N : 0E:D4:56 Old

Bug#942176: libsane: Canon LiDE 220 works up to 1200 dpi only

2019-10-11 Thread Philipp Klaus Krause
Package: libsane Version: 1.0.27-3.2 Severity: normal I use xsane, started from GIMP with a Canon LiDE 220. It works fine at resolutions up to 1200 dpi. When I choose 2400 dpi or 4800 dpi, the following happens: xsane hangs for a while. Sometimes, after a short or long wait (trying to scan an