Re: Ryzen7 3700U xhci fails on resume from sleep

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On Mon, Aug 26, 2019 at 11:11 AM Daniel Drake <drake@xxxxxxxxxxxx> wrote:
>
> Hi,
>
> Working with a new consumer laptop based on AMD Ryzen 7 3700U, all USB
> functionality goes dead upon suspend/resume (s2idle). Reproduced on
> linus master from today.

I wonder if you can reproduce this with the pm-s2idle-rework branch
from linux-pm.git merged in.

> <<<suspend>>>
> Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
> <<<wake up happens here>>>
> xhci_hcd 0000:03:00.3: Refused to change power state, currently in D3
> xhci_hcd 0000:03:00.4: Refused to change power state, currently in D3
> WARNING: CPU: 0 PID: 1980 at kernel/irq/chip.c:210 irq_startup+0xda/0xe0
> Modules linked in:
> CPU: 0 PID: 1980 Comm: bash Not tainted 5.3.0-rc6+ #265
> Hardware name: ASUSTeK COMPUTER INC. ZenBook UX434DA_UX434DA/UX434DA,
> BIOS UX434DA_UX434DA.301-C03 08/20/2019
> RIP: 0010:irq_startup+0xda/0xe0
> Code: ef e8 fa 2b 00 00 85 c0 0f 85 04 09 00 00 48 89 ee 31 d2 4c 89
> ef e8 d5 d3 ff ff 48 89 df e8 cd fe ff ff 89 c5 e9 53 ff ff ff <0f> 0b
> eb b5 66 90 55 48 89 fd 53 48 8b 47 38 89 f3 8b 00 a9 00 00
> RSP: 0018:ffffa045407cfd68 EFLAGS: 00010002
> RAX: 0000000000000040 RBX: ffff98058e968800 RCX: 0000000000000040
> RDX: 0000000000000000 RSI: ffffffffa2b6d1f8 RDI: ffff98058e968818
> RBP: ffff98058e968818 R08: 0000000000000000 R09: ffff98058ec00650
> R10: 0000000000000000 R11: ffffffffa2a49568 R12: 0000000000000001
> R13: 0000000000000001 R14: 0000000000000246 R15: ffffa045407cfde0
> FS:  00007f2d54054740(0000) GS:ffff980590c00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 0000562df2f3c976 CR3: 000000040ea00000 CR4: 00000000003406f0
> Call Trace:
>  resume_irqs+0x9e/0xd0
>  dpm_noirq_end+0x5/0x10
>  suspend_devices_and_enter+0x587/0x780
>  pm_suspend.cold.7+0x309/0x35f
>  state_store+0x7b/0xe0
>  kernfs_fop_write+0x100/0x180
>  vfs_write+0xa0/0x1a0
>  ksys_write+0x54/0xd0
>  do_syscall_64+0x3d/0x110
>  entry_SYSCALL_64_after_hwframe+0x44/0xa9
> RIP: 0033:0x7f2d54141804
> Code: 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00
> 00 48 8d 05 f9 5e 0d 00 8b 00 85 c0 75 13 b8 01 00 00 00 0f 05 <48> 3d
> 00 f0 ff ff 77 54 c3 0f 1f 00 41 54 49 89 d4 55 48 89 f5 53
> RSP: 002b:00007ffce602cb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
> RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2d54141804
> RDX: 0000000000000004 RSI: 000055764b26faa0 RDI: 0000000000000001
> RBP: 000055764b26faa0 R08: 000000000000000a R09: 0000000000000077
> R10: 000000000000000a R11: 0000000000000246 R12: 00007f2d54213760
> R13: 0000000000000004 R14: 00007f2d5420e760 R15: 0000000000000004
> ---[ end trace 68323bdeb91ed863 ]---
> xhci_hcd 0000:03:00.4: enabling device (0000 -> 0002)
> xhci_hcd 0000:03:00.3: enabling device (0000 -> 0002)
> xhci_hcd 0000:03:00.4: WARN: xHC restore state timeout
> xhci_hcd 0000:03:00.4: PCI post-resume error -110!
> xhci_hcd 0000:03:00.4: HC died; cleaning up
> xhci_hcd 0000:03:00.3: WARN: xHC restore state timeout
> PM: dpm_run_callback(): pci_pm_resume+0x0/0x90 returns -110
> xhci_hcd 0000:03:00.3: PCI post-resume error -110!
> PM: Device 0000:03:00.4 failed to resume async: error -110
> xhci_hcd 0000:03:00.3: HC died; cleaning up
> PM: dpm_run_callback(): pci_pm_resume+0x0/0x90 returns -110
> PM: Device 0000:03:00.3 failed to resume async: error -110
> Restarting tasks ...
> usb 1-3: USB disconnect, device number 2
> usb 3-1: USB disconnect, device number 2
> asix 1-3:1.0 enx001c490105e9: unregister 'asix' usb-0000:03:00.3-3,
> ASIX AX88772 USB 2.0 Ethernet
> done.
> PM: suspend exit
> xhci_hcd 0000:03:00.4: xHCI host controller not responding, assume dead
> xhci_hcd 0000:03:00.4: HC died; cleaning up
> xhci_hcd 0000:03:00.4: Timeout while waiting for configure endpoint command
> xhci_hcd 0000:03:00.3: xHCI host controller not responding, assume dead
> xhci_hcd 0000:03:00.3: HC died; cleaning up
> xhci_hcd 0000:03:00.3: Timeout while waiting for configure endpoint command
> usb 3-2: USB disconnect, device number 3
> usb 1-4: USB disconnect, device number 3
>
> I think the irq_startup() warning is unrelated - anyway the logs
> already start complaining about xhci_hcd above that:
>
> xhci_hcd 0000:03:00.3: Refused to change power state, currently in D3
> xhci_hcd 0000:03:00.4: Refused to change power state, currently in D3
>
> These messages indicate that Linux tried to power on the device again,
> but the PCI power management registers indicate that it ignored the
> request and remains in D3.
>
> I tried a few things like making it try D3hot instead of D3cold (which
> is what it's aiming for even though it's not mentioned in the logs
> above), and disabling the suspend/resume actions taken by
> drivers/pci/pci-acpi.c without any improvement.
>
> Trying to sanity check other basic details I observe that this simple
> routine (to put it in D3 then D0) also fails:
>
> # cd /sys/bus/pci/drivers/xhci_hcd
> # echo -n 0000:00:03.0 > unbind
> # setpci -s 00:00.3 CAP_PM+4.b=3
> # setpci -s 00:00.3 CAP_PM+4.b=0
> # echo -n 0000:00:03.0 > bind
>
> bind then fails with:
>   xhci_hcd 0000:03:00.3: enabling device (0000 -> 0002)
>   xhci_hcd 0000:03:00.3: xHCI Host Controller
>   xhci_hcd 0000:03:00.3: new USB bus registered, assigned bus number 1
>   xhci_hcd 0000:03:00.3: Host halt failed, -19
>   xhci_hcd 0000:03:00.3: can't setup: -19
>   xhci_hcd 0000:03:00.3: USB bus 1 deregistered
>   xhci_hcd 0000:03:00.3: init 0000:03:00.3 fail, -19
>
> As another test I was wondering if I could get Linux to put it into D3
> and then go back into D0 without having to go through the whole
> suspend procedure, but even when I unbind it from xhci_hcd and set
> power/control to "auto" in /sys/bus/pci/devices/0000:03:00.3,
> runtime_status is "suspended" but Linux still leaves the device in D0
> - is that expected?
>
> Any debugging pointers much appreciated.
>
> acpidump:
> https://gist.github.com/dsd/ff3dfc0f63cdd9eba4a0fbd9e776e8be
>
> lspci:
> https://gist.github.com/dsd/bd9370b35defdf43680b81ecb34381d5
>
> Thanks
> Daniel



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