Re: usb device constantly resets
daggs wrote:
> Greetings,
>
> > Sent: Saturday, July 04, 2020 at 8:54 PM
> > From: "daggs" <daggs@gmx.com>
> > To: "Andrei POPESCU" <andreimpopescu@gmail.com>
> > Cc: debian-user@lists.debian.org
> > Subject: Re: usb device constantly resets
> >
> > Greetings Andrei,
> >
> > > Sent: Saturday, July 04, 2020 at 8:10 PM
> > > From: "Andrei POPESCU" <andreimpopescu@gmail.com>
> > > To: debian-user@lists.debian.org
> > > Subject: Re: usb device constantly resets
> > >
> > > On Sb, 04 iul 20, 18:16:20, daggs wrote:
> > > > Greetings,
> > > >
> > > > I'm running server with Debian 10 installed on it.
> > > > the os is installed on a usb. the board is an asus H110M-A/M.2.
> > > > the server runs a vm 24/7 on kvm (qemu 1:3.1+dfsg-8+deb10u5, libvirt-daemon 5.0.0-4+deb10u1), the server has a pass-trough usb wifi device (Ralink RT5572 Wireless Adapter) which fails loading, there is the error from the vm:
> > > > [77248.176468] ieee80211 phy1: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
> > > > [77248.178889] ieee80211 phy1: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.36
> > > > [77248.764079] ieee80211 phy1: rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x18d8 with error -110
> > > > [77248.840436] ieee80211 phy1: rt2800_wait_bbp_ready: Error - BBP register access failed, aborting
> > > > [77248.850119] ieee80211 phy1: rt2800usb_set_device_state: Error - Device failed to enter state 4 (-5)
> > > >
> > > > I assumed this is a vm issue but I saw dmesg is filled with these:
> > > > usb 1-2: reset high-speed USB device number 3 using xhci_hcd
> > > >
> > > > using sysfs and lsusb -D I found out it is the wireless device passed to the vm.
> > > > the kernel I'm using is 4.19.67-2+deb10u2.
> > > >
> > > > any ideas how to solve this issue as I cannot use the wifi usb in the vm guest?
> > >
> >
> > the device serves as AP so it is a bit hard to test the same functionality, I'll try to see if it connects to another wireless network and report back.
> >
> > Thanks,
> >
> > Dagg.
> > > Does the device work if you don't pass it on to the VM?
> > >
>
> I got a router, configured it and tried to connect the setup as client rather than ap from debian host, after 39 mintues I have ping, ip and no errors in dmesg.
>
> so I assume this is a libvirt issue correct? should I try to upgrade the vm env to testing? show stable is it? if it fails, I'm left out with network at all...
>
iw list | grep "Supported interface modes" -A 8
Does it show an AP mode?
There are quite a few wifi devices which don't support AP mode
at all.
-dsr-
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