upstream stable would break ubuntu/xr-usb-serial (deprecated ASYNC flags)
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Medium
|
Unassigned | ||
Bionic |
Confirmed
|
Undecided
|
Unassigned | ||
Focal |
Confirmed
|
Undecided
|
Unassigned | ||
Groovy |
Won't Fix
|
Undecided
|
Unassigned | ||
Hirsute |
Won't Fix
|
Undecided
|
Unassigned | ||
Impish |
Won't Fix
|
Medium
|
Unassigned |
Bug Description
The Ubuntu kernel has carried an out-of-tree driver "ubuntu/
if (test_bit(
But this recent mainline commit (and all linux-stable's >= 4.14) removes the definition of ASYNCB_INITIALIZED ...
[mainline] d09845e98a05 tty: actually undefine superseded ASYNC flags
Some kernel-internal ASYNC flags have been superseded by tty-port flags
and should no longer be used by kernel drivers.
Fix the misspelled "__KERNEL__" compile guards which failed their sole
purpose to break out-of-tree drivers that have not yet been updated.
... Which would make ubuntu/
To avoid that breakage, the stable backports of [mainline] d09845e98a05 will be omitted from all Ubuntu kernels, pending some other resolution of the problem with ubuntu/
I had the same problem with that driver and fixed it in the driver. /github. com/enlyze/ xr-usb- serial/ commit/ 6515173a8b2681f d52cc2747d7282f 4e47bdd254
Feel free to use my patch for that: https:/