On Sun, Apr 30, 2023 at 2:17 AM Jeff Chua <jeff.chua.linux@xxxxxxxxx> wrote: > > On Sat, Apr 29, 2023 at 10:07 PM Bagas Sanjaya <bagasdotme@xxxxxxxxx> wrote: > > > > On Sat, Apr 29, 2023 at 01:22:03PM +0800, Jeff Chua wrote: > > > Can't start wifi on latest linux git pull ... started happening 3 days ago ... > > > > Are you testing mainline? > > I'm pulling from https://github.com/torvalds/linux.git, currently at ... > > commit 1ae78a14516b9372e4c90a89ac21b259339a3a3a (HEAD -> master, > origin/master, origin/HEAD) > Merge: 4e1c80ae5cf4 74d7970febf7 > Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > Date: Sat Apr 29 11:10:39 2023 -0700 > > > Certainly you should do bisection. > > ok, will do. Bisected! ef3ed33dfc8f0f1c81ca103e6b68b4f77ee0ab65 is the first bad commit commit ef3ed33dfc8f0f1c81ca103e6b68b4f77ee0ab65 Author: Gregory Greenman <gregory.greenman@xxxxxxxxx> Date: Sun Apr 16 15:47:33 2023 +0300 wifi: iwlwifi: bump FW API to 77 for AX devices Start supporting API version 77 for AX devices. Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx> Link: https://lore.kernel.org/r/20230416154301.e522ccefe354.If7628363fafeb7687163103e734206915c445197@changeid Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> drivers/net/wireless/intel/iwlwifi/cfg/22000.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) I had to downgrade FW API to 75 to make it work again! --- a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c 2023-04-30 18:27:21.719983505 +0800 +++ a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c 2023-04-30 18:27:25.749983446 +0800 @@ -10,7 +10,7 @@ #include "fw/api/txq.h" /* Highest firmware API version supported */ -#define IWL_22000_UCODE_API_MAX 78 +#define IWL_22000_UCODE_API_MAX 75 /* Lowest firmware API version supported */ #define IWL_22000_UCODE_API_MIN 39 My h/w is Lenovo X1 with ... 00:14.3 Network controller: Intel Corporation Alder Lake-P PCH CNVi WiFi (rev 01) I've the following firmware .. I've tried 77, 78, 79, 81 .. .all not working -rw-r--r-- 1 root root 1560532 Mar 14 08:05 iwlwifi-so-a0-gf-a0-72.ucode -rw-r--r-- 1 root root 1563692 Mar 6 14:07 iwlwifi-so-a0-gf-a0-73.ucode -rw-r--r-- 1 root root 1577460 Mar 14 08:05 iwlwifi-so-a0-gf-a0-74.ucode -rw-r--r-- 1 root root 1641260 Mar 6 14:07 iwlwifi-so-a0-gf-a0-77.ucode -rw-r--r-- 1 root root 1667236 Mar 6 14:07 iwlwifi-so-a0-gf-a0-78.ucode -rw-r--r-- 1 root root 1672988 Mar 6 14:07 iwlwifi-so-a0-gf-a0-79.ucode -rw-r--r-- 1 root root 1682852 Apr 5 08:22 iwlwifi-so-a0-gf-a0-81.ucode # working dmesg attached ... cfg80211: Loading compiled-in X.509 certificates for regulatory database Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' iwlwifi 0000:00:14.3: enabling device (0000 -> 0002) iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-so-a0-gf-a0-75.ucode failed with error -2 iwlwifi 0000:00:14.3: api flags index 2 larger than supported by driver thermal thermal_zone1: failed to read out thermal zone (-61) iwlwifi 0000:00:14.3: Sorry - debug buffer is only 4096K while you requested 65536K