Hi Imperia, I built a mainline kernel (version 4.16) with a different
quirk that I think might help here. Can you test it? Thanks in advance!
Instructions (run all as root):
1) wget people.canonical.com/~gpiccoli/imperia416.tgz
2) mv imperia416.tgz /
3) tar -zxf imperia416.tgz
4) update-initramfs -c -k 4.16.0-imperia+
Now that's important: if you have access to some serial console in the
machine (or if you have physical access), you can reboot into this new
kernel. In case _you only have ssh_, I'd suggest to remove the kernel
boot entry from grub, and boot through kexec for safety reasons:
a) Remove boot entries from grub.cfg (you can copy away vmlinuz-4.16-imperia+
to some place outside /boot and run "update-grub" for this)
b) apt-get install kexec-tools
c) kexec vmlinuz-4.16-imperia+ --initrd initrd.img-4.16-imperia+
--append="$(cat /proc/cmdline)"
----
After machine (hopefully!) boot to the new kernel, check in dmesg if the quirk
is there:
#$ dmesg|grep QUIRK
[0.813486] QUIRK: XHCI_AVOID_BEI
If you can see that output ("QUIRK: XHCI_AVOID_BEI"), then the quirk was
applied.
Now, just need to try to reproduce the issue again.
Thanks a lot,
Guilherme
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Title:
xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1
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