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On Sat, 2020-12-12 at 21:31 +0100, Aurelien Jarno wrote:
> > If you need more information don't hesitate to ask (I guess you don't
> > have an iDevice to plug for testing).
>
> Indeed, I do not have such a device. As a first step, it would be nice
> if you can set the environment variable LIBUSB_DEBUG=99 and run lsusb.
> That should give us an idea why the device is ignored.
I also did a bisect run between v1.0.22 and HEAD (upstream repository) and
here's the result:
e2be556bd262cd260bebe3fc724509692537eba3 is the first bad commit
commit e2be556bd262cd260bebe3fc724509692537eba3
Author: Chris Dickens <christopher.a.dick...@gmail.com>
Date: Wed Apr 29 12:39:35 2020 -0700
linux_usbfs: Parse config descriptors during device initialization
Do the work ahead of time and cache the results so that fetching config
descriptors becomes a trivial operation.
Signed-off-by: Chris Dickens <christopher.a.dick...@gmail.com>
libusb/os/linux_usbfs.c | 263 ++++++++++++++++++++++++++---------------------
- -
libusb/version_nano.h | 2 +-
2 files changed, 145 insertions(+), 120 deletions(-)
bisect run success
With the following bisect log:
git bisect start
# bad: [c6a35c56016ea2ab2f19115d2ea1e85e0edae155] libusb 1.0.24
git bisect bad c6a35c56016ea2ab2f19115d2ea1e85e0edae155
# good: [0034b2afdcdb1614e78edaa2a9e22d5936aeae5d] libusb 1.0.22
git bisect good 0034b2afdcdb1614e78edaa2a9e22d5936aeae5d
# good: [48200f2cc23633899270e7c666ac7e948ead8df1] core: Fix build on linux
git bisect good 48200f2cc23633899270e7c666ac7e948ead8df1
# bad: [26611eaa494ed9e077b5b0e1f999f5ae377de958] Windows: Translate
ERROR_NO_SUCH_DEVICE to LIBUSB_TRANSFER_NO_DEVICE
git bisect bad 26611eaa494ed9e077b5b0e1f999f5ae377de958
# good: [09d0312fbb466ce2457df94e314ba1348039138d] Xcode: Update project file
git bisect good 09d0312fbb466ce2457df94e314ba1348039138d
# good: [71a3fb3faadb79c2ccff8f23f0520e4015f547f3] Android: fixes unknown
warning option from ndk build
git bisect good 71a3fb3faadb79c2ccff8f23f0520e4015f547f3
# good: [e873677b9196b191d6cdbdf9783c6d6a18379249] descriptor: Minor
improvements to the parse_descriptor() function
git bisect good e873677b9196b191d6cdbdf9783c6d6a18379249
# good: [8476804b283cfed82aec5e45301b51be3ad68e99] descriptor: Remove
usbi_get_config_index_by_value()
git bisect good 8476804b283cfed82aec5e45301b51be3ad68e99
# good: [14a302a2f55cb2e619158854f94845f2ca2c8214] sunos: Fix a number of
compiler warnings
git bisect good 14a302a2f55cb2e619158854f94845f2ca2c8214
# bad: [e2be556bd262cd260bebe3fc724509692537eba3] linux_usbfs: Parse config
descriptors during device initialization
git bisect bad e2be556bd262cd260bebe3fc724509692537eba3
# good: [e9eec3a680cad3b2c9c5213fb7d60148cf6900da] core: Narrow the types
passed to certain backend functions
git bisect good e9eec3a680cad3b2c9c5213fb7d60148cf6900da
# first bad commit: [e2be556bd262cd260bebe3fc724509692537eba3] linux_usbfs:
Parse config descriptors during device initialization
I can't just git revert the bad commit on top of master (there are conflicts),
but it's worth looking at it.
Regards,
- --
Yves-Alexis
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