[SRU][F/raspi][H/raspi][PATCH 0/2] Raspberry pi 4 USB controller randomly crashes (LP: #1930629)
Juerg Haefliger
juerg.haefliger at canonical.com
Wed Sep 1 07:25:50 UTC 2021
Applied to focal:linux-raspi and hirsute:linux-raspi master next.
...Juerg
> [ Impact ]
>
> USB disks attached to a Pi experience something like:
>
> [ 494.062055] sd 2:0:0:0: [sda] tag#12 uas_eh_abort_handler 0 uas-tag 1 inflight: CMD
> [ 494.069923] sd 2:0:0:0: [sda] tag#12 CDB: Write(10) 2a 00 00 02 6d 4f 00 00 48 00
> [ 499.182085] sd 2:0:0:0: [sda] tag#13 uas_eh_abort_handler 0 uas-tag 2 inflight: CMD OUT
> [ 499.190310] sd 2:0:0:0: [sda] tag#13 CDB: Write(10) 2a 00 00 02 6d 97 00 00 4d 00
> [ 504.302113] sd 2:0:0:0: [sda] tag#19 uas_eh_abort_handler 0 uas-tag 5 inflight: CMD OUT
> [ 504.310336] sd 2:0:0:0: [sda] tag#19 CDB: Write(10) 2a 00 00 00 95 da 00 00 01 00
>
> And:
>
> [ 535.538311] scsi host2: uas_eh_device_reset_handler start
> [ 535.544699] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.
> [ 535.554032] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.
>
>
> [ Test Case ]
>
> See below.
>
>
> [ Where Problems Could Occur ]
>
> Modifications are limited to the USB host xhci driver so problems will likely show up when accessing devices that use this host driver.
>
>
> [ Original Description ]
>
> My raspberry pi 4 running Ubuntu 20.04 server is constantly having trouble the the usb controller.
> I have 2 externally powered USB hubs connected that have a few HDDs plugged in.
>
> After a seemingly random amount of time (between 1 minute and 2 days) the usb controller will crash completely. No USB devices are detected anymore after that, i have to reboot the system.
>
> I have tried:
> * Providing a lot of cooling (metal case + desktop size fan)
> * Switching the USB Hubs to a different brand
> * Switching the power supply of the USB hubs
> * Switching the power supply of the raspberry
>
> Nothing helped, so i concluded that this probably is a kernel bug. I think the USB controller should not crash at the very least.
>
> I've attached my dmesg.
>
> lsb_release -rd
> Description: Ubuntu 20.04.2 LTS
> Release: 20.04
>
> linux-raspi version: 5.4.0.1035.70
>
> uname -a
> Linux pi 5.4.0-1035-raspi #38-Ubuntu SMP PREEMPT Tue Apr 20 21:37:03 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
>
> lsusb (after crash)
> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> ---
> ProblemType: Bug
> AlsaVersion: Advanced Linux Sound Architecture Driver Version k5.4.0-1035-raspi.
> AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
> ApportVersion: 2.20.11-0ubuntu27.18
> Architecture: arm64
> ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
> AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
> Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
> Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
> CasperMD5CheckResult: skip
> DistroRelease: Ubuntu 20.04
> ImageMediaBuild: 20210201.1
> IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
> Lspci-vt: -[0000:00]---00.0-[01]----00.0 VIA Technologies, Inc. VL805 USB 3.0 Host Controller
> Lsusb:
> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Lsusb-t:
> /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
> /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
> Package: linux-raspi
> PackageArchitecture: arm64
> PciMultimedia:
>
> ProcEnviron:
> TERM=xterm-256color
> PATH=(custom, no user)
> LANG=C.UTF-8
> SHELL=/bin/bash
> ProcFB:
>
> ProcKernelCmdLine: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=0 bcm2708_fb.fbheight=0 bcm2708_fb.fbswap=1 smsc95xx.macaddr=E4:5F:01:1D:06:FE vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 net.ifnames=0 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 root=LABEL=writable rootfstype=ext4 elevator=deadline rootwait fixrtc quiet splash
> ProcVersionSignature: Ubuntu 5.4.0-1035.38-raspi 5.4.106
> RelatedPackageVersions:
> linux-restricted-modules-5.4.0-1035-raspi N/A
> linux-backports-modules-5.4.0-1035-raspi N/A
> linux-firmware 1.187.12
> RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
> StagingDrivers: bcm2835_isp bcm2835_v4l2 bcm2835_mmal_vchiq bcm2835_codec snd_bcm2835 vc_sm_cma
> Tags: arm64-image raspi-image focal uec-images staging
> Uname: Linux 5.4.0-1035-raspi aarch64
> UpgradeStatus: No upgrade log present (probably fresh install)
> UserGroups: N/A
> _MarkForUpload: True
> acpidump:
>
> Jonathan Bell (2):
> usb: xhci: workaround for bogus SET_DEQ_PENDING endpoint state
> xhci: guard accesses to ep_state in xhci_endpoint_reset()
>
> drivers/usb/host/xhci-ring.c | 6 +++---
> drivers/usb/host/xhci.c | 5 +++++
> 2 files changed, 8 insertions(+), 3 deletions(-)
>
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