linux-kernel - Re: Suspend/resume error with AWUS036ACM

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Message-ID: <CANL0fFSmqR4F=9bFgVRaKXyCDocwwhxySUBo5x=12900fhWn6A@mail.gmail.com>
Date:   Sat, 7 May 2022 16:37:58 +0200
From:   Gonsolo <gonsolo@...il.com>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     Felix Fietkau <nbd@....name>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Shayne Chen <shayne.chen@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: Suspend/resume error with AWUS036ACM

Dear Stephen,

> Contact Ubuntu.  The rule for upstream is if you load out of tree drivers
> than that kernel is unsupported.

I compiled a stock 5.17.5 kernel from git.kernel.org, installed
without kernel headers (forcing dkms to not build proprietary drivers)
and get the following errors *at boot time* (not suspend/resume):

  +0,000386] wlx00c0cab022a0: associate with 8c:6a:8d:9e:2a:88 (try 1/3)
[  +0,001118] ================================================================================
[  +0,000005] UBSAN: invalid-load in net/mac80211/status.c:1164:21
[  +0,000004] load of value 255 is not a valid value for type '_Bool'
[  +0,000003] CPU: 10 PID: 380 Comm: kworker/u256:5 Not tainted 5.17.5 #3
[  +0,000004] Hardware name: To Be Filled By O.E.M. To Be Filled By
O.E.M./X399 Phantom Gaming 6, BIOS P1.31 01/14/2021
[  +0,000003] Workqueue: mt76 mt76u_tx_status_data [mt76_usb]
[  +0,000009] Call Trace:
[  +0,000002]  <TASK>
[  +0,000003]  dump_stack_lvl+0x4c/0x63
[  +0,000009]  dump_stack+0x10/0x12
[  +0,000004]  ubsan_epilogue+0x9/0x45
[  +0,000003]  __ubsan_handle_load_invalid_value.cold+0x44/0x49
[  +0,000004]  ieee80211_tx_status_ext.cold+0x1e/0xb8 [mac80211]
[  +0,000058]  ? __radix_tree_delete+0x91/0x100
[  +0,000006]  mt76_tx_status_unlock+0x119/0x170 [mt76]
[  +0,000011]  mt76x02_send_tx_status+0x1af/0x420 [mt76x02_lib]
[  +0,000009]  mt76x02_tx_status_data+0x47/0x70 [mt76x02_lib]
[  +0,000007]  mt76u_tx_status_data+0x67/0xc0 [mt76_usb]
[  +0,000005]  process_one_work+0x21f/0x3f0
[  +0,000005]  worker_thread+0x50/0x3d0
[  +0,000004]  ? rescuer_thread+0x390/0x390
[  +0,000003]  kthread+0xee/0x120
[  +0,000003]  ? kthread_complete_and_exit+0x20/0x20
[  +0,000004]  ret_from_fork+0x22/0x30
[  +0,000005]  </TASK>
[  +0,000001] ================================================================================
[  +0,003098] wlx00c0cab022a0: RX AssocResp from 8c:6a:8d:9e:2a:88
(capab=0x1411 status=0 aid=16)

I sent the first email because I suspected that the above (locking?)
problem was totally unrelated to the GPU driver.
I hope that this is more helpful.

-- 
g