I can also report the bug, since I've updated to 4.9 debian 9.
dmesg | grep -i 'lookup' [ 0.599214] ACPI Error: [_PPC] Namespace lookup failure, AE_ALREADY_EXISTS (20160831/dswload-378) [ 0.599220] ACPI Exception: AE_ALREADY_EXISTS, During name lookup/catalog (20160831/psobject-227)
uname -a Linux abukva 4.9.0-1-amd64 #1 SMP Debian 4.9.6-3 (2017-01-28) x86_64 GNU/Linux
I can also report the bug, since I've updated to 4.9 debian 9.
dmesg | grep -i 'lookup' dswload- 378) psobject- 227)
[ 0.599214] ACPI Error: [_PPC] Namespace lookup failure, AE_ALREADY_EXISTS (20160831/
[ 0.599220] ACPI Exception: AE_ALREADY_EXISTS, During name lookup/catalog (20160831/
uname -a
Linux abukva 4.9.0-1-amd64 #1 SMP Debian 4.9.6-3 (2017-01-28) x86_64 GNU/Linux