Message ID | 20240412060620.27519-1-quic_bqiang@quicinc.com |
---|---|
Headers | show |
Series | wifi: ath12k: support suspend/resume | expand |
On 4/13/2024 2:05 AM, Jeff Johnson wrote: > On 4/11/2024 11:06 PM, Baochen Qiang wrote: >> Now that the MHI&QRTR patches [1] are merged, we can add >> suspend/resume support for ath12k. >> >> The whole design is quite similar to that in ath11k: firmware >> is powered down when going to suspend and powered up when >> resume, this makes hibernation work as well in addition to >> suspend. >> >> To summary, this series first does some preparations in the >> first 8 patches. Then in patch [9/10] suspend/resume callbacks >> are implemented. And at last in [10/10] we enable suspend/resume >> functionality for WCN7850 because it's the only chip supporting >> it for now. >> >> [1] https://lore.kernel.org/linux-wireless/20240305021320.3367-1-quic_bqiang@quicinc.com/ >> >> Baochen Qiang (10): >> wifi: ath12k: rearrange IRQ enable/disable in reset path >> wifi: ath12k: remove MHI LOOPBACK channels >> wifi: ath12k: do not dump SRNG statistics during resume >> wifi: ath12k: fix warning on DMA ring capabilities event >> wifi: ath12k: decrease MHI channel buffer length to 8KB >> wifi: ath12k: flush all packets before suspend >> wifi: ath12k: no need to handle pktlog during suspend/resume >> wifi: ath12k: avoid stopping mac80211 queues in ath12k_core_restart() >> wifi: ath12k: support suspend/resume >> wifi: ath12k: change supports_suspend to true for WCN7850 >> >> drivers/net/wireless/ath/ath12k/core.c | 108 ++++++++++++++---------- >> drivers/net/wireless/ath/ath12k/core.h | 4 + >> drivers/net/wireless/ath/ath12k/dp_rx.c | 48 ----------- >> drivers/net/wireless/ath/ath12k/dp_rx.h | 2 - > My Qualcomm Innovation Center copyright checker reports: > drivers/net/wireless/ath/ath12k/dp_rx.h copyright missing 2024 Got it. > >> drivers/net/wireless/ath/ath12k/hif.h | 14 ++- >> drivers/net/wireless/ath/ath12k/hw.c | 2 +- >> drivers/net/wireless/ath/ath12k/mac.c | 28 ++++-- >> drivers/net/wireless/ath/ath12k/mac.h | 1 + >> drivers/net/wireless/ath/ath12k/mhi.c | 91 +++++++------------- >> drivers/net/wireless/ath/ath12k/mhi.h | 5 +- >> drivers/net/wireless/ath/ath12k/pci.c | 41 +++++++-- >> drivers/net/wireless/ath/ath12k/pci.h | 2 +- >> drivers/net/wireless/ath/ath12k/qmi.c | 3 +- >> drivers/net/wireless/ath/ath12k/wmi.c | 1 + >> 14 files changed, 175 insertions(+), 175 deletions(-) >> >> >> base-commit: 363e7193eaf258fe7f04e8db560bd8a282a12cd9 > patch 6 of this series conflicts with: > wifi: ath12k: add support to handle beacon miss for WCN7850 > > So I was not able to take this series into my local verification tree > > patch 7 of this series conflicts with: > wifi: ath12k: fix mac id extraction when MSDU spillover in rx error path > > So this conflicts with a patch already in the pending branch > > So FYI at some point you'll need to rebase. So I should rebase after these two patches got merged in master branch?
Baochen Qiang <quic_bqiang@quicinc.com> writes: >> patch 6 of this series conflicts with: >> wifi: ath12k: add support to handle beacon miss for WCN7850 >> >> So I was not able to take this series into my local verification tree >> >> patch 7 of this series conflicts with: >> wifi: ath12k: fix mac id extraction when MSDU spillover in rx error path >> >> So this conflicts with a patch already in the pending branch >> >> So FYI at some point you'll need to rebase. > > So I should rebase after these two patches got merged in master branch? No need to rebase at this time. In the pending branch I was able to fix the conflict in patch 7. Please check: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=pending&id=b92086862c7be6e6810eca204052cada50fc0f5f
On 4/16/2024 4:28 PM, Kalle Valo wrote: > Baochen Qiang <quic_bqiang@quicinc.com> writes: > >>> patch 6 of this series conflicts with: >>> wifi: ath12k: add support to handle beacon miss for WCN7850 >>> >>> So I was not able to take this series into my local verification tree >>> >>> patch 7 of this series conflicts with: >>> wifi: ath12k: fix mac id extraction when MSDU spillover in rx error path >>> >>> So this conflicts with a patch already in the pending branch >>> >>> So FYI at some point you'll need to rebase. >> So I should rebase after these two patches got merged in master branch? > No need to rebase at this time. In the pending branch I was able to fix > the conflict in patch 7. Please check: > > https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=pending&id=b92086862c7be6e6810eca204052cada50fc0f5f Thanks and LGTM.
Jeff Johnson <quic_jjohnson@quicinc.com> writes: > On 4/11/2024 11:06 PM, Baochen Qiang wrote: > >> Now that the MHI&QRTR patches [1] are merged, we can add >> suspend/resume support for ath12k. >> >> The whole design is quite similar to that in ath11k: firmware >> is powered down when going to suspend and powered up when >> resume, this makes hibernation work as well in addition to >> suspend. >> >> To summary, this series first does some preparations in the >> first 8 patches. Then in patch [9/10] suspend/resume callbacks >> are implemented. And at last in [10/10] we enable suspend/resume >> functionality for WCN7850 because it's the only chip supporting >> it for now. >> >> [1] https://lore.kernel.org/linux-wireless/20240305021320.3367-1-quic_bqiang@quicinc.com/ >> >> Baochen Qiang (10): >> wifi: ath12k: rearrange IRQ enable/disable in reset path >> wifi: ath12k: remove MHI LOOPBACK channels >> wifi: ath12k: do not dump SRNG statistics during resume >> wifi: ath12k: fix warning on DMA ring capabilities event >> wifi: ath12k: decrease MHI channel buffer length to 8KB >> wifi: ath12k: flush all packets before suspend >> wifi: ath12k: no need to handle pktlog during suspend/resume >> wifi: ath12k: avoid stopping mac80211 queues in ath12k_core_restart() >> wifi: ath12k: support suspend/resume >> wifi: ath12k: change supports_suspend to true for WCN7850 >> >> drivers/net/wireless/ath/ath12k/core.c | 108 ++++++++++++++---------- >> drivers/net/wireless/ath/ath12k/core.h | 4 + >> drivers/net/wireless/ath/ath12k/dp_rx.c | 48 ----------- >> drivers/net/wireless/ath/ath12k/dp_rx.h | 2 - > > My Qualcomm Innovation Center copyright checker reports: > drivers/net/wireless/ath/ath12k/dp_rx.h copyright missing 2024 I fixed this in the pending branch: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=pending&id=6b928df55a671d2c9a15edc746f6b42ef544928e Jeff, what do you think of the patchset? Is it ready to take?
On 4/17/2024 7:22 AM, Kalle Valo wrote: > Jeff Johnson <quic_jjohnson@quicinc.com> writes: >> My Qualcomm Innovation Center copyright checker reports: >> drivers/net/wireless/ath/ath12k/dp_rx.h copyright missing 2024 > > I fixed this in the pending branch: > > https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=pending&id=6b928df55a671d2c9a15edc746f6b42ef544928e > > Jeff, what do you think of the patchset? Is it ready to take? My laptop didn't boot with this patchset in place, let me debug.
On 4/17/2024 4:32 PM, Jeff Johnson wrote: > On 4/17/2024 7:22 AM, Kalle Valo wrote: >> Jeff Johnson <quic_jjohnson@quicinc.com> writes: >>> My Qualcomm Innovation Center copyright checker reports: >>> drivers/net/wireless/ath/ath12k/dp_rx.h copyright missing 2024 >> >> I fixed this in the pending branch: >> >> https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=pending&id=6b928df55a671d2c9a15edc746f6b42ef544928e >> >> Jeff, what do you think of the patchset? Is it ready to take? > > My laptop didn't boot with this patchset in place, let me debug. I was originally trying to test with the entire 'pending' branch, but my laptop crashes during initial boot. So I just tested with master+the hibernation patchset, and upon resume I'm getting a bunch of the following: Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: mhi mhi0: Requested to power ON Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: mhi mhi0: Power on setup success Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: mhi mhi0: Wait for device to enter SBL or Mission mode Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: mhi notify status reason MHI_CB_EE_MISSION_MODE Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: qmi wifi fw qmi service connected Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: no valid response from PHY capability, choose default num_phy 2 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: qmi firmware request memory request Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: qmi mem seg type 1 size 7077888 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: qmi mem seg type 4 size 8454144 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: qmi dma allocation failed (7077888 B type 1), will try later with small size Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: BUG: Bad page state in process kworker/u16:54 pfn:36e80 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36e80 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: flags: 0xfffffe0000000(node=0|zone=1|lastcpupid=0x3fffff) Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page_type: 0xffffffff() Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: raw: 000fffffe0000000 0000000000000000 dead000000000122 0000000000000000 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page dumped because: nonzero _refcount Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Modules linked in: ccm michael_mic bnep amdgpu snd_hda_codec_hdmi amdxcp drm_exec gpu_sched binfmt_misc qrtr_mhi nls_iso8859_1 i915 qrtr ath12k qmi_helpers mac80211 snd_ctl_led ledtrig_audio radeon snd_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_component intel_rapl_msr intel_rapl_common snd_hda_intel snd_intel_dspcfg x86_pkg_temp_thermal snd_intel_sdw_acpi intel_powerclamp snd_hda_codec mei_hdcp uvcvideo snd_hda_core cfg80211 snd_hwdep snd_pcm drm_suballoc_helper coretemp drm_ttm_helper drm_buddy videobuf2_vmalloc btusb crct10dif_pclmul uvc ttm ghash_clmulni_intel btrtl sha512_ssse3 videobuf2_memops btintel sha256_ssse3 snd_seq_midi btbcm sha1_ssse3 snd_seq_midi_event drm_display_helper aesni_intel videobuf2_v4l2 snd_rawmidi videodev btmtk cec snd_seq bluetooth crypto_simd cryptd rc_core videobuf2_common snd_seq_device rapl drm_kms_helper libarc4 mc snd_timer intel_cstate mhi snd i2c_algo_bit ecdh_generic mei_me ecc joydev input_leds soundcore mei serio_raw at24 wmi_bmof mac_hid wireless_hotkey Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: tpm_infineon sch_fq_codel msr parport_pc ppdev lp drm parport efi_pstore ip_tables x_tables autofs4 cdc_ether usbnet mii rtsx_pci_sdmmc crc32_pclmul video e1000e i2c_i801 psmouse rtsx_pci ahci i2c_smbus libahci xhci_pci lpc_ich xhci_pci_renesas wmi Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: CPU: 2 PID: 55152 Comm: kworker/u16:54 Not tainted 6.9.0-rc3-wt-ath+ #28 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Hardware name: Hewlett-Packard HP ZBook 14 G2/2216, BIOS M71 Ver. 01.31 02/24/2020 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Workqueue: qmi_msg_handler qmi_data_ready_work [qmi_helpers] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Call Trace: Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: <TASK> Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dump_stack_lvl+0x70/0x90 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dump_stack+0x14/0x20 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: bad_page+0x71/0x100 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: free_page_is_bad_report+0x86/0x90 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: __free_pages_ok+0x3b3/0x410 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: __free_pages+0xe7/0x110 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dma_direct_free+0xb9/0x180 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dma_free_attrs+0x3f/0x60 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_qmi_free_target_mem_chunk+0x75/0x140 [ath12k] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_qmi_msg_mem_request_cb+0x1fb/0x370 [ath12k] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_invoke_handler+0xa3/0xd0 [qmi_helpers] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_handle_message+0x6f/0x190 [qmi_helpers] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_data_ready_work+0x288/0x460 [qmi_helpers] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? raw_spin_rq_unlock+0x14/0x40 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: process_one_work+0x1a0/0x3f0 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: worker_thread+0x351/0x500 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_worker_thread+0x10/0x10 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: kthread+0xf8/0x130 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_kthread+0x10/0x10 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ret_from_fork+0x40/0x60 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_kthread+0x10/0x10 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ret_from_fork_asm+0x1a/0x30 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: </TASK> Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Disabling lock debugging due to kernel taint Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: BUG: Bad page state in process kworker/u16:54 pfn:36f00 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36f00 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: flags: 0xfffffe0000000(node=0|zone=1|lastcpupid=0x3fffff) Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page_type: 0xffffffff() Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: raw: 000fffffe0000000 0000000000000000 dead000000000122 0000000000000000 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page dumped because: nonzero _refcount Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Modules linked in: ccm michael_mic bnep amdgpu snd_hda_codec_hdmi amdxcp drm_exec gpu_sched binfmt_misc qrtr_mhi nls_iso8859_1 i915 qrtr ath12k qmi_helpers mac80211 snd_ctl_led ledtrig_audio radeon snd_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_component intel_rapl_msr intel_rapl_common snd_hda_intel snd_intel_dspcfg x86_pkg_temp_thermal snd_intel_sdw_acpi intel_powerclamp snd_hda_codec mei_hdcp uvcvideo snd_hda_core cfg80211 snd_hwdep snd_pcm drm_suballoc_helper coretemp drm_ttm_helper drm_buddy videobuf2_vmalloc btusb crct10dif_pclmul uvc ttm ghash_clmulni_intel btrtl sha512_ssse3 videobuf2_memops btintel sha256_ssse3 snd_seq_midi btbcm sha1_ssse3 snd_seq_midi_event drm_display_helper aesni_intel videobuf2_v4l2 snd_rawmidi videodev btmtk cec snd_seq bluetooth crypto_simd cryptd rc_core videobuf2_common snd_seq_device rapl drm_kms_helper libarc4 mc snd_timer intel_cstate mhi snd i2c_algo_bit ecdh_generic mei_me ecc joydev input_leds soundcore mei serio_raw at24 wmi_bmof mac_hid wireless_hotkey Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: tpm_infineon sch_fq_codel msr parport_pc ppdev lp drm parport efi_pstore ip_tables x_tables autofs4 cdc_ether usbnet mii rtsx_pci_sdmmc crc32_pclmul video e1000e i2c_i801 psmouse rtsx_pci ahci i2c_smbus libahci xhci_pci lpc_ich xhci_pci_renesas wmi Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: CPU: 2 PID: 55152 Comm: kworker/u16:54 Tainted: G B 6.9.0-rc3-wt-ath+ #28 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Hardware name: Hewlett-Packard HP ZBook 14 G2/2216, BIOS M71 Ver. 01.31 02/24/2020 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Workqueue: qmi_msg_handler qmi_data_ready_work [qmi_helpers] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Call Trace: Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: <TASK> Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dump_stack_lvl+0x70/0x90 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dump_stack+0x14/0x20 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: bad_page+0x71/0x100 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: free_page_is_bad_report+0x86/0x90 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: __free_pages_ok+0x3b3/0x410 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: __free_pages+0xe7/0x110 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dma_direct_free+0xb9/0x180 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dma_free_attrs+0x3f/0x60 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_qmi_free_target_mem_chunk+0x75/0x140 [ath12k] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_qmi_msg_mem_request_cb+0x1fb/0x370 [ath12k] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_invoke_handler+0xa3/0xd0 [qmi_helpers] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_handle_message+0x6f/0x190 [qmi_helpers] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_data_ready_work+0x288/0x460 [qmi_helpers] Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? raw_spin_rq_unlock+0x14/0x40 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: process_one_work+0x1a0/0x3f0 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: worker_thread+0x351/0x500 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_worker_thread+0x10/0x10 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: kthread+0xf8/0x130 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_kthread+0x10/0x10 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ret_from_fork+0x40/0x60 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_kthread+0x10/0x10 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ret_from_fork_asm+0x1a/0x30 Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: </TASK>
On 4/18/2024 2:06 PM, Jeff Johnson wrote: > On 4/17/2024 4:32 PM, Jeff Johnson wrote: >> On 4/17/2024 7:22 AM, Kalle Valo wrote: >>> Jeff Johnson <quic_jjohnson@quicinc.com> writes: >>>> My Qualcomm Innovation Center copyright checker reports: >>>> drivers/net/wireless/ath/ath12k/dp_rx.h copyright missing 2024 >>> I fixed this in the pending branch: >>> >>> https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=pending&id=6b928df55a671d2c9a15edc746f6b42ef544928e >>> >>> Jeff, what do you think of the patchset? Is it ready to take? >> My laptop didn't boot with this patchset in place, let me debug. > I was originally trying to test with the entire 'pending' branch, but my > laptop crashes during initial boot. > > So I just tested with master+the hibernation patchset, and upon resume I'm > getting a bunch of the following: > > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: mhi mhi0: Requested to power ON > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: mhi mhi0: Power on setup success > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: mhi mhi0: Wait for device to enter SBL or Mission mode > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: mhi notify status reason MHI_CB_EE_MISSION_MODE > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: qmi wifi fw qmi service connected > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: no valid response from PHY capability, choose default num_phy 2 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: qmi firmware request memory request > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: qmi mem seg type 1 size 7077888 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: qmi mem seg type 4 size 8454144 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_pci 0000:03:00.0: qmi dma allocation failed (7077888 B type 1), will try later with small size > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: BUG: Bad page state in process kworker/u16:54 pfn:36e80 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36e80 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: flags: 0xfffffe0000000(node=0|zone=1|lastcpupid=0x3fffff) > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page_type: 0xffffffff() > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: raw: 000fffffe0000000 0000000000000000 dead000000000122 0000000000000000 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page dumped because: nonzero _refcount > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Modules linked in: ccm michael_mic bnep amdgpu snd_hda_codec_hdmi amdxcp drm_exec gpu_sched binfmt_misc qrtr_mhi nls_iso8859_1 i915 qrtr ath12k qmi_helpers mac80211 snd_ctl_led ledtrig_audio radeon snd_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_component intel_rapl_msr intel_rapl_common snd_hda_intel snd_intel_dspcfg x86_pkg_temp_thermal snd_intel_sdw_acpi intel_powerclamp snd_hda_codec mei_hdcp uvcvideo snd_hda_core cfg80211 snd_hwdep snd_pcm drm_suballoc_helper coretemp drm_ttm_helper drm_buddy videobuf2_vmalloc btusb crct10dif_pclmul uvc ttm ghash_clmulni_intel btrtl sha512_ssse3 videobuf2_memops btintel sha256_ssse3 snd_seq_midi btbcm sha1_ssse3 snd_seq_midi_event drm_display_helper aesni_intel videobuf2_v4l2 snd_rawmidi videodev btmtk cec snd_seq bluetooth crypto_simd cryptd rc_core videobuf2_common snd_seq_device rapl drm_kms_helper libarc4 mc snd_timer intel_cstate mhi snd i2c_algo_bit ecdh_generic mei_me ecc joydev input_leds soundcore mei serio_raw at24 wmi_bmof mac_hid wireless_hotkey > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: tpm_infineon sch_fq_codel msr parport_pc ppdev lp drm parport efi_pstore ip_tables x_tables autofs4 cdc_ether usbnet mii rtsx_pci_sdmmc crc32_pclmul video e1000e i2c_i801 psmouse rtsx_pci ahci i2c_smbus libahci xhci_pci lpc_ich xhci_pci_renesas wmi > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: CPU: 2 PID: 55152 Comm: kworker/u16:54 Not tainted 6.9.0-rc3-wt-ath+ #28 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Hardware name: Hewlett-Packard HP ZBook 14 G2/2216, BIOS M71 Ver. 01.31 02/24/2020 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Workqueue: qmi_msg_handler qmi_data_ready_work [qmi_helpers] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Call Trace: > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: <TASK> > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dump_stack_lvl+0x70/0x90 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dump_stack+0x14/0x20 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: bad_page+0x71/0x100 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: free_page_is_bad_report+0x86/0x90 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: __free_pages_ok+0x3b3/0x410 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: __free_pages+0xe7/0x110 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dma_direct_free+0xb9/0x180 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dma_free_attrs+0x3f/0x60 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_qmi_free_target_mem_chunk+0x75/0x140 [ath12k] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_qmi_msg_mem_request_cb+0x1fb/0x370 [ath12k] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_invoke_handler+0xa3/0xd0 [qmi_helpers] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_handle_message+0x6f/0x190 [qmi_helpers] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_data_ready_work+0x288/0x460 [qmi_helpers] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? raw_spin_rq_unlock+0x14/0x40 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: process_one_work+0x1a0/0x3f0 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: worker_thread+0x351/0x500 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_worker_thread+0x10/0x10 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: kthread+0xf8/0x130 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_kthread+0x10/0x10 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ret_from_fork+0x40/0x60 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_kthread+0x10/0x10 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ret_from_fork_asm+0x1a/0x30 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: </TASK> > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Disabling lock debugging due to kernel taint > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: BUG: Bad page state in process kworker/u16:54 pfn:36f00 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36f00 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: flags: 0xfffffe0000000(node=0|zone=1|lastcpupid=0x3fffff) > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page_type: 0xffffffff() > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: raw: 000fffffe0000000 0000000000000000 dead000000000122 0000000000000000 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: page dumped because: nonzero _refcount > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Modules linked in: ccm michael_mic bnep amdgpu snd_hda_codec_hdmi amdxcp drm_exec gpu_sched binfmt_misc qrtr_mhi nls_iso8859_1 i915 qrtr ath12k qmi_helpers mac80211 snd_ctl_led ledtrig_audio radeon snd_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_component intel_rapl_msr intel_rapl_common snd_hda_intel snd_intel_dspcfg x86_pkg_temp_thermal snd_intel_sdw_acpi intel_powerclamp snd_hda_codec mei_hdcp uvcvideo snd_hda_core cfg80211 snd_hwdep snd_pcm drm_suballoc_helper coretemp drm_ttm_helper drm_buddy videobuf2_vmalloc btusb crct10dif_pclmul uvc ttm ghash_clmulni_intel btrtl sha512_ssse3 videobuf2_memops btintel sha256_ssse3 snd_seq_midi btbcm sha1_ssse3 snd_seq_midi_event drm_display_helper aesni_intel videobuf2_v4l2 snd_rawmidi videodev btmtk cec snd_seq bluetooth crypto_simd cryptd rc_core videobuf2_common snd_seq_device rapl drm_kms_helper libarc4 mc snd_timer intel_cstate mhi snd i2c_algo_bit ecdh_generic mei_me ecc joydev input_leds soundcore mei serio_raw at24 wmi_bmof mac_hid wireless_hotkey > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: tpm_infineon sch_fq_codel msr parport_pc ppdev lp drm parport efi_pstore ip_tables x_tables autofs4 cdc_ether usbnet mii rtsx_pci_sdmmc crc32_pclmul video e1000e i2c_i801 psmouse rtsx_pci ahci i2c_smbus libahci xhci_pci lpc_ich xhci_pci_renesas wmi > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: CPU: 2 PID: 55152 Comm: kworker/u16:54 Tainted: G B 6.9.0-rc3-wt-ath+ #28 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Hardware name: Hewlett-Packard HP ZBook 14 G2/2216, BIOS M71 Ver. 01.31 02/24/2020 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Workqueue: qmi_msg_handler qmi_data_ready_work [qmi_helpers] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: Call Trace: > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: <TASK> > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dump_stack_lvl+0x70/0x90 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dump_stack+0x14/0x20 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: bad_page+0x71/0x100 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: free_page_is_bad_report+0x86/0x90 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: __free_pages_ok+0x3b3/0x410 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: __free_pages+0xe7/0x110 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dma_direct_free+0xb9/0x180 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: dma_free_attrs+0x3f/0x60 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_qmi_free_target_mem_chunk+0x75/0x140 [ath12k] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ath12k_qmi_msg_mem_request_cb+0x1fb/0x370 [ath12k] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_invoke_handler+0xa3/0xd0 [qmi_helpers] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_handle_message+0x6f/0x190 [qmi_helpers] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: qmi_data_ready_work+0x288/0x460 [qmi_helpers] > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? raw_spin_rq_unlock+0x14/0x40 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: process_one_work+0x1a0/0x3f0 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: worker_thread+0x351/0x500 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_worker_thread+0x10/0x10 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: kthread+0xf8/0x130 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_kthread+0x10/0x10 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ret_from_fork+0x40/0x60 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ? __pfx_kthread+0x10/0x10 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: ret_from_fork_asm+0x1a/0x30 > Apr 17 21:38:04 qca-HP-ZBook-14-G2 kernel: </TASK> Thanks for testing. I am able to reproduce this issue (although not exactly same crash signature) after disabling DMA remap. Just submit below patch to fix this issue, please help review. wifi: ath12k: fix kernel crash during resume > >