On Wed, 2020-09-23 at 11:16 +0300, Luciano Coelho wrote: > On Thu, 2020-09-17 at 03:01 +0530, Krishna Chaitanya wrote: > > > On Sat, Sep 12, 2020 at 12:56 AM Krishna Chaitanya > > > <chaitanya.mgit at gmail.com> wrote: > > > >On Fri, Sep 11, 2020 at 10:41 PM Johannes Berg > > > > <johannes at sipsolutions.net> wrote: > > > > >On Fri, 2020-09-11 at 20:37 +0530, Krishna Chaitanya wrote: > > > > > > > > > > > > [ 228.315290] iwlwifi 0000:03:00.0: 0x00002078 | ADVANCED_SYSASSERT > > > > > > > [ 228.315294] iwlwifi 0000:03:00.0: 0x00A0A200 | trm_hw_status0 > > > > > > > [ 228.315297] iwlwifi 0000:03:00.0: 0x00000000 | trm_hw_status1 > > > > > > > [ 228.315300] iwlwifi 0000:03:00.0: 0x004F8E3C | branchlink2 > > > > > > > [ 228.315303] iwlwifi 0000:03:00.0: 0x004E4FF4 | interruptlink1 > > > > > > > [ 228.315307] iwlwifi 0000:03:00.0: 0x004E4FF4 | interruptlink2 > > > > > > > [ 228.315310] iwlwifi 0000:03:00.0: 0x07000101 | data1 > > > > > > > [ 228.315313] iwlwifi 0000:03:00.0: 0x48308403 | data2 > > > > > > > [ 228.315316] iwlwifi 0000:03:00.0: 0x00000005 | data3 > > > > > > > > > > This means that we got an invalid TX rate, notably an HE rate was > > > > > requested/configured on a MAC configuration that didn't have HE. > > > > > > > > > > I think I saw some patches in this area (configuring the MAC to be HE) > > > > > fly by internally recently, but not sure... Luca probably knows. > > > > Ah okay. This was reported on 5.4 kernel, do you think is it worth > > > > trying on latest iwlwifi-next tree? Or as you are referring to the internal tree > > > > the issue is present in the latest as well? > > > Hi Luca, > > > > > > Can you please take a look? Any help is appreciated. > > > > Hi, > > > > There have been some new patches in this area, but after a quick look I > > didn't find anything specific that jumps out. I'll take a closer look > > and let you know if I find anything. > In the meantime, you could try our public backport-iwlwifi tree, where > most of the internal tree is published: > > https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-iwlwifi.git/ > > This is an out-of-tree driver, based on the linux-backports project. > You could try the core56 branch, for instance, or even master and > check if the problem is still there. If not, we can try to look for > the patch that fixes it and push it to stable. > -- > Cheers, > Luca. Hello Luca, I used public backport iwlwifi tree with core56 branch as you suggested. I am still observing the crash which I reported earlier. Also I upgraded my linux kernel to 5.8 and tried , but still observing the same crash. I am attaching the dmesg. Also when I run hostapd_cli (see below for output )on my AP, I could see HE flag. >all_sta 8c:c6:81:69:86:65 flags=[AUTH][SHORT_PREAMBLE][WMM][HT][HE] aid=1 capability=0x431 listen_interval=10 supported_rates=02 04 0b 16 0c 12 18 24 30 48 60 6c timeout_next=NULLFUNC POLL dot11RSNAStatsSTAAddress=8c:c6:81:69:86:65 dot11RSNAStatsVersion=1 dot11RSNAStatsSelectedPairwiseCipher=00-0f-ac-4 dot11RSNAStatsTKIPLocalMICFailures=0 dot11RSNAStatsTKIPRemoteMICFailures=0 wpa=2 AKMSuiteSelector=00-0f-ac-2 hostapdWPAPTKState=0 hostapdWPAPTKGroupState=0 supp_op_classes=51515354737475767778797a7b7c7d7e7f ht_caps_info=0x19e7 ext_capab=04004000010000400020 Regards, Sugandh
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