Bug#990850: linux-image-5.10.0-8-amd64: mcba_usb doesn't work

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From	Yasushi SHOJI <yasushi.shoji@gmail.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#990850: linux-image-5.10.0-8-amd64: mcba_usb doesn't work
Date	Fri, 09 Jul 2021 12:00:01 +0200
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Package: src:linux
Version: 5.10.46-1
Severity: normal
X-Debbugs-Cc: none, Yasushi SHOJI <yasushi.shoji@gmail.com>

Dear Maintainer,

With linux-image-5.10.0-8-amd64, Microchip CAN BUS Analyzer does not
work with mcba_usb device driver.

The same device works with linux-image-5.10.0-7-amd64:

> Jul 09 17:46:58 leno kernel: usb 1-6: USB disconnect, device number 8
> Jul 09 17:46:58 leno kernel: mcba_usb 1-6:1.0 can0: device disconnected
> Jul 09 17:46:58 leno kernel: device can0 left promiscuous mode
> Jul 09 17:47:00 leno kernel: usb 1-6: new full-speed USB device number 12 using xhci_hcd
> Jul 09 17:47:00 leno kernel: usb 1-6: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice= 2.00
> Jul 09 17:47:00 leno kernel: usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> Jul 09 17:47:00 leno kernel: usb 1-6: Product: Microchip CAN BUS Analyzer
> Jul 09 17:47:00 leno kernel: usb 1-6: Manufacturer: Microchip Technology Inc.
> Jul 09 17:47:00 leno kernel: mcba_usb 1-6:1.0 can0: PIC CAN version 2.3
> Jul 09 17:47:00 leno kernel: mcba_usb 1-6:1.0 can0: PIC USB version 2.0
> Jul 09 17:47:00 leno kernel: mcba_usb 1-6:1.0: Microchip CAN BUS Analyzer connected
> Jul 09 17:47:08 leno kernel: IPv6: ADDRCONF(NETDEV_CHANGE): can0: link becomes ready

Please let me know if you need more info.

Best,
--
         yashi

-- Package-specific info:
attached

-- System Information:
Debian Release: 11.0
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'unstable'), (500,
'testing'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armhf

Kernel: Linux 5.10.0-8-amd64 (SMP w/4 CPU threads)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8),
LANGUAGE=en_US:en
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-5.10.0-8-amd64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.140
ii  kmod                                    28-1
ii  linux-base                              4.6

Versions of packages linux-image-5.10.0-8-amd64 recommends:
ii  apparmor             2.13.6-10
ii  firmware-linux-free  20200122-1

Versions of packages linux-image-5.10.0-8-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  extlinux                3:6.04~git20190206.bf6db5b4+dfsg1-3+b1
ii  grub-efi-amd64          2.04-19
pn  linux-doc-5.10          <none>

Versions of packages linux-image-5.10.0-8-amd64 is related to:
ii  firmware-amd-graphics     20210315-2
pn  firmware-atheros          <none>
pn  firmware-bnx2             <none>
pn  firmware-bnx2x            <none>
pn  firmware-brcm80211        <none>
pn  firmware-cavium           <none>
pn  firmware-intel-sound      <none>
pn  firmware-intelwimax       <none>
pn  firmware-ipw2x00          <none>
pn  firmware-ivtv             <none>
ii  firmware-iwlwifi          20210315-2
pn  firmware-libertas         <none>
ii  firmware-linux-nonfree    20210315-2
ii  firmware-misc-nonfree     20210315-2
pn  firmware-myricom          <none>
pn  firmware-netxen           <none>
pn  firmware-qlogic           <none>
ii  firmware-realtek          20210315-2
pn  firmware-samsung          <none>
pn  firmware-siano            <none>
pn  firmware-ti-connectivity  <none>
pn  xen-hypervisor            <none>

-- no debconf information

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Bug#990850: linux-image-5.10.0-8-amd64: mcba_usb doesn't work Yasushi SHOJI <yasushi.shoji@gmail.com> - 2021-07-09 12:00 +0200
  Bug#990850: linux-image-5.10.0-8-amd64: mcba_usb doesn't work Yasushi SHOJI <yasushi.shoji@gmail.com> - 2021-07-25 19:10 +0200

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