Comment 18 for bug 1838208

The module seems to be bcmwl

git bisect log
# bad: [ba36ad4f039514bc76d7ae37ebcea550349c98b5] UBUNTU: Ubuntu-5.2.0-8.9
# good: [f7908af84a9feac82717574870591fd09e8eeeb2] UBUNTU: Ubuntu-5.0.0-21.22
git bisect start 'Ubuntu-5.2.0-8.9' 'Ubuntu-5.0.0-21.22'
# good: [1c163f4c7b3f621efff9b28a47abb36f7378d783] Linux 5.0
git bisect good 1c163f4c7b3f621efff9b28a47abb36f7378d783
# skip: [6e865c7230140126cbac62e0aef5807108e46e63] Merge tag 'drm/tegra/for-5.2-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
git bisect skip 6e865c7230140126cbac62e0aef5807108e46e63
# good: [77476360f173c127c191bfe8ca8113130ef283b8] drm/amd/display: Disconnect mpcc when changing tg
git bisect good 77476360f173c127c191bfe8ca8113130ef283b8
# bad: [422449238e9853458283beffed77562d4b40a2fa] Merge branch 'drm-next-5.2' of git://people.freedesktop.org/~agd5f/linux into drm-next
git bisect bad 422449238e9853458283beffed77562d4b40a2fa
# bad: [b5dd0c658c31b469ccff1b637e5124851e7a4a1c] Merge branch 'akpm' (patches from Andrew)
git bisect bad b5dd0c658c31b469ccff1b637e5124851e7a4a1c
# bad: [3478588b5136966c80c571cf0006f08e9e5b8f04] Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect bad 3478588b5136966c80c571cf0006f08e9e5b8f04
# good: [1a2566085650be593d464c4d73ac2d20ff67c058] Merge tag 'wireless-drivers-next-for-davem-2019-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
git bisect good 1a2566085650be593d464c4d73ac2d20ff67c058
# bad: [18a4d8bf250a33c015955f0dec27259780ef6448] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
git bisect bad 18a4d8bf250a33c015955f0dec27259780ef6448
# bad: [844f01da9301a71fbed1e768837f4a1a6aa60529] mlxsw: spectrum_acl: Put vchunk migrate start/end code into separate functions
git bisect bad 844f01da9301a71fbed1e768837f4a1a6aa60529
# bad: [e8b47b53a172e74dd9907eb7810f02a1d09fb29b] Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
git bisect bad e8b47b53a172e74dd9907eb7810f02a1d09fb29b
# bad: [6ca5081526228571a70ef0160fd44da3fe661ccb] net: dsa: microchip: remove unnecessary include headers
git bisect bad 6ca5081526228571a70ef0160fd44da3fe661ccb
# bad: [515d846773b05972b621675bbb344b9f80d47f26] Merge branch 'net-phy-aquantia-improve-and-extend-driver'
git bisect bad 515d846773b05972b621675bbb344b9f80d47f26
# bad: [9ce8439718b6dfef2509dc72ec841740b14cc6d5] mlxsw: reg: Add new port type-speed fields for PTYS register
git bisect bad 9ce8439718b6dfef2509dc72ec841740b14cc6d5
# good: [923b55cf5078f2fe2f11d1b3a9b3d5ecf07a5efc] Merge branch 'net-Wformat-fixes'
git bisect good 923b55cf5078f2fe2f11d1b3a9b3d5ecf07a5efc
# bad: [1e2f66ecebd30b6c0a455a5a46dedb957a6ccc50] mlxsw: spectrum: Query port connector type from firmware
git bisect bad 1e2f66ecebd30b6c0a455a5a46dedb957a6ccc50
# good: [1531be31973a23f97bd8844393cfd387e4647c8c] mlxsw: spectrum: Remove duplicate port link mode entry
git bisect good 1531be31973a23f97bd8844393cfd387e4647c8c

I'm not 100% this is the exact commit since it may be broken but not apparent in my testing.

Hope this helps.