On Sun, 2023-04-30 at 17:06 +0000, Greenman, Gregory wrote: > On Sun, 2023-04-30 at 18:58 +0800, Jeff Chua wrote: > > 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 > > Strangely, I couldn't reproduce it on my system. But, anyway this feature > better be disabled for a while. I'll send a patch with a fix shortly. May I ask you to try this fix in [1] (also cc-ed you on the patch itself)? [1] https://lore.kernel.org/linux-wireless/20230430201830.2f8f88fe49f6.I2f0076ef1d1cbe5d10010549c875b7038ec4c365@changeid/
