linux-kernel - Re: [PATCH ath-next v4 0/9] wifi: ath12k: fixes for rmmod and recovery issues with hardware grouping

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Message-Id: <174443185481.2972989.8690863777364308065.b4-ty@oss.qualcomm.com>
Date: Fri, 11 Apr 2025 21:24:14 -0700
From: Jeff Johnson <jeff.johnson@....qualcomm.com>
To: Johannes Berg <johannes@...solutions.net>,
        Jeff Johnson <jjohnson@...nel.org>,
        Karthikeyan Periyasamy <quic_periyasa@...cinc.com>,
        Kalle Valo <kvalo@...nel.org>, Harshitha Prem <quic_hprem@...cinc.com>,
        Aditya Kumar Singh <aditya.kumar.singh@....qualcomm.com>
Cc: linux-wireless@...r.kernel.org, ath12k@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH ath-next v4 0/9] wifi: ath12k: fixes for rmmod and
 recovery issues with hardware grouping


On Tue, 08 Apr 2025 11:36:28 +0530, Aditya Kumar Singh wrote:
> With hardware grouping, there is a kernel crash with signature -
> 
> $ rmmod ath12k.ko
> Unable to handle kernel paging request at virtual address 000000000000d1a8
> [...]
> Call trace:
>  ath12k_reg_free+0x14/0x74 [ath12k] (P)
>  ath12k_core_hw_group_destroy+0x7c/0xb4 [ath12k] (L)
>  ath12k_core_hw_group_destroy+0x7c/0xb4 [ath12k]
>  ath12k_core_deinit+0xd8/0x124 [ath12k]
>  ath12k_pci_remove+0x6c/0x130 [ath12k]
>  pci_device_remove+0x44/0xe8
>  device_remove+0x4c/0x80
>  device_release_driver_internal+0x1d0/0x22c
>  driver_detach+0x50/0x98
>  bus_remove_driver+0x70/0xf4
>  driver_unregister+0x30/0x60
>  pci_unregister_driver+0x24/0x9c
>  ath12k_pci_exit+0x18/0x24 [ath12k]
>  __arm64_sys_delete_module+0x1a0/0x2a8
>  invoke_syscall+0x48/0x110
>  el0_svc_common.constprop.0+0x40/0xe0
>  do_el0_svc+0x1c/0x28
>  el0_svc+0x30/0xd0
>  el0t_64_sync_handler+0x10c/0x138
>  el0t_64_sync+0x198/0x19c
> Code: a9bd7bfd 910003fd a9025bf5 91402015 (f968d6a1)
> ---[ end trace 0000000000000000 ]---
> Segmentation fault
> 
> [...]

Applied, thanks!

[1/9] wifi: ath12k: fix SLUB BUG - Object already free in ath12k_reg_free()
      commit: 6d019abc402f58b25a7cab30b2d9af2f3173e4df
[2/9] wifi: ath12k: add reference counting for core attachment to hardware group
      commit: 62f3878fa290cb21535459311fe1dc008cd381da
[3/9] wifi: ath12k: fix failed to set mhi state error during reboot with hardware grouping
      commit: dce7aec6b1f74b0a46b901ab8de1f7bd0515f733
[4/9] wifi: ath12k: fix ATH12K_FLAG_REGISTERED flag handling
      commit: 6af396942bf132a1a49523e8fe2f816dc1ebd913
[5/9] wifi: ath12k: fix firmware assert during reboot with hardware grouping
      commit: 1d55625bc2a1c2a8c68153b020e1e097ea27f1b0
[6/9] wifi: ath12k: fix ath12k_core_pre_reconfigure_recovery() with grouping
      commit: 718ead261feba32b00f8ef1d3dff7527106b9458
[7/9] wifi: ath12k: handle ath12k_core_restart() with hardware grouping
      commit: 3e1312f01b508d3f77147bec5286caef074e5d9e
[8/9] wifi: ath12k: handle ath12k_core_reset() with hardware grouping
      commit: 929069c1bdb70c6332c15f3978d4c8830bc43efd
[9/9] wifi: ath12k: reset MLO global memory during recovery
      commit: f5755c23ed8a4603194f6425828a2760f814e117

Best regards,
-- 
Jeff Johnson <jeff.johnson@....qualcomm.com>