Control: tags -1 + moreinfo Hi,
On Fri, Jun 06, 2025 at 05:35:26PM +0530, amith wrote: > Package: src:linux > Version: 6.1.140-1 > Severity: important > Tags: upstream > X-Debbugs-Cc: lesto...@gmail.com > > Dear Maintainer, > > My Owon VDS1022I USB oscilloscope stopped working with it's user > software after upgrading the Debian linux kernel from 6.1.0.34-amd64 to > 6.1.0.37-amd64. > > On debug, it was found that this is because upstream had added the VID > and PID for this device to the usb_serial_simple.c device driver. The intent > was to support a different Owon device HDS200 which had the same VID and PID. > > Currently my USB oscilloscope is unusable unless I force unload or > blacklist usb_serial_simple. It would be better if this work around is not > needed because new users of this device may not be aware of this and assume by > default that the device is unusable on Linux. I only debugged it because it > worked without issues in the older kernels. > > I have filed the kernel bugzilla report : > https://bugzilla.kernel.org/show_bug.cgi?id=220193 and also emailed the > maintainers for advice. > > There is also a Debian forums posts on this topic : > https://forums.debian.net/viewtopic.php?t=162942 My understanding of Greg's reply in https://lore.kernel.org/all/2025060620-twister-starved-3fb8@gregkh/ is htat this is not a kernel issue but the devices vendors did not follow the rules on assigning the ids? If this interpretation is correct then I do not see something on our end which needs to be changed. Can you confirm? Regards, Salvatore
