RE: RPM raw-wakeref not held in intel_pxp_fini_hw

From: Lubart, Vitaly
Date: Mon Nov 22 2021 - 12:34:53 EST

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In reply to: Jason A. Donenfeld: "Re: RPM raw-wakeref not held in intel_pxp_fini_hw"
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CC Tomas and Sasha

> -----Original Message-----
> From: Ceraolo Spurio, Daniele <daniele.ceraolospurio@xxxxxxxxx>
> Sent: Monday, November 22, 2021 18:54
> To: Jason A. Donenfeld <Jason@xxxxxxxxx>; Lubart, Vitaly
> <vitaly.lubart@xxxxxxxxx>; Gupta, Anshuman <anshuman.gupta@xxxxxxxxx>;
> Surendrakumar Upadhyay, TejaskumarX
> <tejaskumarx.surendrakumar.upadhyay@xxxxxxxxx>
> Cc: LKML <linux-kernel@xxxxxxxxxxxxxxx>; intel-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-
> devel <dri-devel@xxxxxxxxxxxxxxxxxxxxx>
> Subject: Re: RPM raw-wakeref not held in intel_pxp_fini_hw
>
> Hi,
>
> The fix for this is in flight:
>
> https://patchwork.freedesktop.org/series/96658/
>
> It just needs a last round of testing before we merge it.
>
> Thanks,
> Daniele
>
> On 11/22/2021 8:47 AM, Jason A. Donenfeld wrote:
> > Hey Intel PXPers,
> >
> > I hit this splat on 5.16-rc1 during system suspend:
> >
> > Nov 22 13:54:09 thinkpad systemd-logind[934]: Lid closed.
> > Nov 22 13:54:09 thinkpad systemd[1]: Reached target Sleep.
> > Nov 22 13:54:09 thinkpad systemd[1]: Starting System Suspend...
> > Nov 22 13:54:09 thinkpad systemd-sleep[519259]: Entering sleep state
> > 'suspend'...
> > Nov 22 13:54:09 thinkpad kernel: PM: suspend entry (s2idle) Nov 22
> > 15:22:05 thinkpad kernel: Filesystems sync: 0.124 seconds Nov 22
> > 15:22:05 thinkpad kernel: Freezing user space processes ...
> > (elapsed 0.001 seconds) done.
> > Nov 22 15:22:05 thinkpad kernel: OOM killer disabled.
> > Nov 22 15:22:05 thinkpad kernel: Freezing remaining freezable tasks
> > ... (elapsed 0.001 seconds) done.
> > Nov 22 15:22:05 thinkpad kernel: printk: Suspending console(s) (use
> > no_console_suspend to debug) Nov 22 15:22:05 thinkpad kernel:
> > ------------[ cut here ]------------ Nov 22 15:22:05 thinkpad kernel:
> > RPM wakelock ref not held during HW access Nov 22 15:22:05 thinkpad
> > kernel: WARNING: CPU: 10 PID: 519259 at
> > drivers/gpu/drm/i915/intel_runtime_pm.h:112
> > fwtable_write32+0x1cb/0x200 [i915]
> > Nov 22 15:22:05 thinkpad kernel: Modules linked in: cdc_mbim cdc_wdm
> > cdc_ncm cdc_ether usbnet mii snd_seq_dummy snd_hrtimer snd_seq
> > snd_seq_device rfcomm cmac algif_skcipher bnep uvcvideo
> > videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btusb
> > videobuf2_common btintel blue> Nov 22 15:22:05 thinkpad kernel:
> > i2c_designware_platform i2c_designware_core mei_pxp mei_hdcp ac97_bus
> > kvm_intel snd_hda_intel snd_intel_dspcfg intel_rapl_msr think_lmi
> > snd_intel_sdw_acpi i915 firmware_attributes_class wmi_bmof
> > snd_hda_codec kvm i2c_algo_bit snd_hwdep int> Nov 22 15:22:05 thinkpad
> > kernel: CPU: 10 PID: 519259 Comm:
> > systemd-sleep Tainted: G S U 5.16.0-rc1+ #192
> > Nov 22 15:22:05 thinkpad kernel: Hardware name: LENOVO
> > 20Y5CTO1WW/20Y5CTO1WW, BIOS N40ET28W (1.10 ) 09/09/2021 Nov 22
> > 15:22:05 thinkpad kernel: RIP: 0010:fwtable_write32+0x1cb/0x200 [i915]
> > Nov 22 15:22:05 thinkpad kernel: Code: 21 cb df 0f 0b e9 85 fe ff ff
> > 80 3d 36 68 1f 00 00 0f 85 82 fe ff ff 48 c7 c7 70 cf c4 a1 c6 05 22
> > 68 1f 00 01 e8 1c 21 cb df <0f> 0b e9 68 fe ff ff 48 8b bb 40 01 00 00
> > e8 a2 cf ce df b9 01 00
> > Nov 22 15:22:05 thinkpad kernel: RSP: 0018:ffff88821d283c80 EFLAGS:
> > 00010282 Nov 22 15:22:05 thinkpad kernel: RAX: 000000000000002a RBX:
> > ffff88813df707d0 RCX: 0000000000000027 Nov 22 15:22:05 thinkpad
> > kernel: RDX: ffff88901f69b448 RSI:
> > 0000000000000001 RDI: ffff88901f69b440 Nov 22 15:22:05 thinkpad
> > kernel: RBP: 00000000000320f0 R08:
> > 0000000000000d17 R09: ffff88821d283c20 Nov 22 15:22:05 thinkpad
> > kernel: R10: 3fffffffffffffff R11:
> > fffffffffff93a78 R12: 0000000040000000 Nov 22 15:22:05 thinkpad
> > kernel: R13: 0000000000000000 R14:
> > ffff888101311150 R15: ffffffff81491b20 Nov 22 15:22:05 thinkpad
> > kernel: FS: 00007efcfaa87800(0000)
> > GS:ffff88901f680000(0000) knlGS:0000000000000000 Nov 22 15:22:05
> > thinkpad kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
> > 0000000080050033
> > Nov 22 15:22:05 thinkpad kernel: CR2: 00007efcfb41e6f0 CR3:
> > 00000005ed937004 CR4: 0000000000770ee0 Nov 22 15:22:05 thinkpad
> > kernel: PKRU: 55555554 Nov 22 15:22:05 thinkpad kernel: Call Trace:
> > Nov 22 15:22:05 thinkpad kernel: <TASK> Nov 22 15:22:05 thinkpad
> > kernel: intel_pxp_fini_hw+0x23/0x30 [i915] Nov 22 15:22:05 thinkpad
> > kernel: intel_pxp_suspend+0x2f/0x40 [i915] Nov 22 15:22:05 thinkpad
> > kernel: i915_gem_backup_suspend+0x6e/0x150 [i915] Nov 22 15:22:05
> > thinkpad kernel: ? pci_target_state+0xc/0xc0 Nov 22 15:22:05 thinkpad
> > kernel: pci_pm_prepare+0x28/0x60 Nov 22 15:22:05 thinkpad kernel:
> > dpm_prepare+0xbd/0x370 Nov 22 15:22:05 thinkpad kernel:
> > dpm_suspend_start+0x16/0x80 Nov 22 15:22:05 thinkpad kernel:
> > suspend_devices_and_enter+0x104/0x6d0
> > Nov 22 15:22:05 thinkpad kernel: pm_suspend.cold+0x2f6/0x33d Nov 22
> > 15:22:05 thinkpad kernel: state_store+0x6b/0xe0 Nov 22 15:22:05
> > thinkpad kernel: kernfs_fop_write_iter+0x107/0x190 Nov 22 15:22:05
> > thinkpad kernel: new_sync_write+0x100/0x170 Nov 22 15:22:05 thinkpad
> > kernel: vfs_write+0x1c5/0x260 Nov 22 15:22:05 thinkpad kernel:
> > ksys_write+0x4a/0xc0 Nov 22 15:22:05 thinkpad kernel:
> > do_syscall_64+0x35/0x80 Nov 22 15:22:05 thinkpad kernel:
> > entry_SYSCALL_64_after_hwframe+0x44/0xae
> > Nov 22 15:22:05 thinkpad kernel: RIP: 0033:0x7efcfb27ccb3 Nov 22
> > 15:22:05 thinkpad kernel: Code: 8b 15 81 11 0f 00 f7 d8 64 89
> > 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0
> > 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48
> > 83 ec 28 48 89 54 24 18
> > Nov 22 15:22:05 thinkpad kernel: RSP: 002b:00007fff279a5308 EFLAGS:
> > 00000246 ORIG_RAX: 0000000000000001
> > Nov 22 15:22:05 thinkpad kernel: RAX: ffffffffffffffda RBX:
> > 0000000000000004 RCX: 00007efcfb27ccb3 Nov 22 15:22:05 thinkpad
> > kernel: RDX: 0000000000000004 RSI:
> > 00007fff279a5400 RDI: 0000000000000004 Nov 22 15:22:05 thinkpad
> > kernel: RBP: 00005571997e72d0 R08:
> > 0000000000000007 R09: 00005571997eb4a0 Nov 22 15:22:05 thinkpad
> > kernel: R10: 11500bc5676901a3 R11:
> > 0000000000000246 R12: 0000000000000004 Nov 22 15:22:05 thinkpad
> > kernel: R13: 00007fff279a5400 R14:
> > 0000000000000004 R15: 00007efcfb36aa00 Nov 22 15:22:05 thinkpad
> > kernel: </TASK> Nov 22 15:22:05 thinkpad kernel: ---[ end trace
> > efcf3c6627ff7163 ]--- Nov 22 15:22:05 thinkpad kernel: ------------[
> > cut here ]------------ Nov 22 15:22:05 thinkpad kernel: RPM
> > raw-wakeref not held Nov 22 15:22:05 thinkpad kernel: WARNING: CPU: 0
> > PID: 518230 at
> > drivers/gpu/drm/i915/intel_runtime_pm.h:104
> > fwtable_write32+0x1a4/0x200 [i915]
> > Nov 22 15:22:05 thinkpad kernel: Modules linked in: cdc_mbim cdc_wdm
> > cdc_ncm cdc_ether usbnet mii snd_seq_dummy snd_hrtimer snd_seq
> > snd_seq_device rfcomm cmac algif_skcipher bnep uvcvideo
> > videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btusb
> > videobuf2_common btintel blue> Nov 22 15:22:05 thinkpad kernel:
> > i2c_designware_platform i2c_designware_core mei_pxp mei_hdcp ac97_bus
> > kvm_intel snd_hda_intel snd_intel_dspcfg intel_rapl_msr think_lmi
> > snd_intel_sdw_acpi i915 firmware_attributes_class wmi_bmof
> > snd_hda_codec kvm i2c_algo_bit snd_hwdep int> Nov 22 15:22:05 thinkpad
> > kernel: CPU: 0 PID: 518230 Comm:
> > kworker/u32:4 Tainted: G S U W 5.16.0-rc1+ #192
> > Nov 22 15:22:05 thinkpad kernel: Hardware name: LENOVO
> > 20Y5CTO1WW/20Y5CTO1WW, BIOS N40ET28W (1.10 ) 09/09/2021 Nov 22
> > 15:22:05 thinkpad kernel: Workqueue: events_unbound async_run_entry_fn
> > Nov 22 15:22:05 thinkpad kernel: RIP: 0010:fwtable_write32+0x1a4/0x200
> > [i915] Nov 22 15:22:05 thinkpad kernel: Code: 00 00 c6 00 00 e9 02 ff
> > ff ff
> > 80 3d 5e 68 1f 00 00 0f 85 9f fe ff ff 48 c7 c7 a0 51 c7 a1 c6 05 4a
> > 68 1f 00 01 e8 43 21 cb df <0f> 0b e9 85 fe ff ff 80 3d 36 68 1f 00 00
> > 0f 85 82 fe ff ff 48 c7 Nov 22 15:22:05 thinkpad kernel: RSP:
> > 0018:ffff8882e341bc60 EFLAGS: 00010286 Nov 22 15:22:05 thinkpad
> > kernel: RAX: 0000000000000018 RBX:
> > ffff88813df707d0 RCX: 0000000000000027 Nov 22 15:22:05 thinkpad
> > kernel: RDX: ffff88901f41b448 RSI:
> > 0000000000000001 RDI: ffff88901f41b440 Nov 22 15:22:05 thinkpad
> > kernel: RBP: 00000000000320f0 R08:
> > 0000000000000da7 R09: ffff8882e341bc00 Nov 22 15:22:05 thinkpad
> > kernel: R10: 3fffffffffffffff R11:
> > fffffffffff94e08 R12: 0000000040000000 Nov 22 15:22:05 thinkpad
> > kernel: R13: 0000000000000000 R14:
> > ffff888102394150 R15: ffff888100068005 Nov 22 15:22:05 thinkpad
> > kernel: FS: 0000000000000000(0000)
> > GS:ffff88901f400000(0000) knlGS:0000000000000000 Nov 22 15:22:05
> > thinkpad kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
> > 0000000080050033
> > Nov 22 15:22:05 thinkpad kernel: CR2: 00007f3018027098 CR3:
> > 000000000200a001 CR4: 0000000000770ef0 Nov 22 15:22:05 thinkpad
> > kernel: PKRU: 55555554 Nov 22 15:22:05 thinkpad kernel: Call Trace:
> > Nov 22 15:22:05 thinkpad kernel: <TASK> Nov 22 15:22:05 thinkpad
> > kernel: intel_pxp_fini_hw+0x23/0x30 [i915] Nov 22 15:22:05 thinkpad
> > kernel: i915_pxp_tee_component_unbind+0x19/0x40 [i915] Nov 22
> > 15:22:05 thinkpad kernel: component_unbind+0x26/0x40 Nov 22 15:22:05
> > thinkpad kernel: component_unbind_all+0x85/0x90 Nov 22 15:22:05
> > thinkpad kernel: component_master_del+0x73/0x90 Nov 22 15:22:05
> > thinkpad kernel: mei_pxp_remove+0x23/0x50 [mei_pxp] Nov 22 15:22:05
> > thinkpad kernel: mei_cl_device_remove+0x1a/0x80 [mei] Nov 22 15:22:05
> > thinkpad kernel: __device_release_driver+0x172/0x230
> > Nov 22 15:22:05 thinkpad kernel: device_release_driver+0x1f/0x30 Nov
> > 22 15:22:05 thinkpad kernel: mei_cl_bus_remove_devices+0x56/0x70
> > [mei] Nov 22 15:22:05 thinkpad kernel: mei_stop+0x32/0xc0 [mei] Nov
> > 22 15:22:05 thinkpad kernel: mei_me_pci_suspend+0x1f/0x50 [mei_me]
> > Nov 22 15:22:05 thinkpad kernel: ? pci_pm_suspend_noirq+0x270/0x270
> > Nov 22 15:22:05 thinkpad kernel: pci_pm_suspend+0x6c/0x200 Nov 22
> > 15:22:05 thinkpad kernel: ? pci_pm_suspend_noirq+0x270/0x270 Nov 22
> > 15:22:05 thinkpad kernel: dpm_run_callback+0x36/0x100 Nov 22 15:22:05
> > thinkpad kernel: __device_suspend+0x122/0x4c0 Nov 22 15:22:05
> > thinkpad kernel: async_suspend+0x16/0x90 Nov 22 15:22:05 thinkpad
> > kernel: async_run_entry_fn+0x15/0x90 Nov 22 15:22:05 thinkpad kernel:
> > process_one_work+0x1ce/0x370 Nov 22 15:22:05 thinkpad kernel:
> > worker_thread+0x48/0x3c0 Nov 22 15:22:05 thinkpad kernel: ?
> > rescuer_thread+0x350/0x350 Nov 22 15:22:05 thinkpad kernel:
> > kthread+0x13c/0x160 Nov 22 15:22:05 thinkpad kernel: ?
> > set_kthread_struct+0x40/0x40 Nov 22 15:22:05 thinkpad kernel:
> > ret_from_fork+0x1f/0x30 Nov 22 15:22:05 thinkpad kernel: </TASK> Nov
> > 22 15:22:05 thinkpad kernel: ---[ end trace efcf3c6627ff7164 ]---
> >
> > As this is new code in 5.16, I thought I should report it to you. I
> > haven't started debugging it yet, and I'll load up rc2 this evening as
> > well.
> >
> > Jason

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In reply to: Jason A. Donenfeld: "Re: RPM raw-wakeref not held in intel_pxp_fini_hw"
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