Fwd: 6.5.5 hardware access timeout / HW error / GPF in iwlwifi

[Bagas Sanjaya <bagasdotme@gmail.com>]

Hi,

I notice a regression report on Bugzilla [1]. Quoting from it:

> Hardware: Intel(R) Wi-Fi 6 AX201 160MHz, REV=0x370
> Works just fine with 6.4.15 (and older)
> Using FC37, updated to the latest available kernel 6.5.5, can't use WiFi or even boot.
> Linux firmware package: linux-firmware-20230919-1 (latest available version for F37)
> 
> First boot:
> Timeout waiting for hardware access (CSR_GP_CNTRL 0xffffffff)
> at __iwl_trans_pcie_grab_nic_access+0x14a/0x150
> followed by HW error, resetting before reading at
> iwl_fwrt_dump_lmac_error_log+0x50c/0x600 
> The interface didn't ever plumb.
> 
> Second boot: GPF. I don't have the traces, but I swear it originated from iwlwifi module from what I saw on the console.
> 
> I've attached the traces for both the failed boots, and the normal boot from 6.4.15 for reference.

See Bugzilla for the full thread and attached dmesg logs.

Anyway, I'm adding this regression to regzbot:

#regzbot introduced: v6.4..v6.5 https://bugzilla.kernel.org/show_bug.cgi?id=217963

Thanks.

[1]: https://bugzilla.kernel.org/show_bug.cgi?id=217963

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