Public bug reported:
I have a USB3 ExpressCard adapter I use with my ThinkPad X220. It was
mostly working under 4.10.0-42-generic, but once I got the
4.13.0-26-generic update my system now stutters to the point that it is
almost unusable until the card is ejected.
By "mostly working" I mean that this card was not hot-insertable even
under the older kernels. I had to boot with the card already inserted
for it to function. If I inserted it after the system was booted, I got
the same stuttering behavior. Under 4.13, it is now doing this even if I
boot with the card already inserted.
I notice the device is not showing up in lspci under 4.13. I wanted to
run apport-bug from the affected kernel. I will reboot into 4.10 to get
the PCI id of the device in question.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.13.0-26-generic 4.13.0-26.29~16.04.2
ProcVersionSignature: Ubuntu 4.13.0-26.29~16.04.2-generic 4.13.13
Uname: Linux 4.13.0-26-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
CurrentDesktop: XFCE
Date: Mon Jan 15 22:53:06 2018
EcryptfsInUse: Yes
InstallationDate: Installed on 2011-12-09 (2229 days ago)
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
SourcePackage: linux-hwe
UpgradeStatus: Upgraded to xenial on 2016-05-31 (595 days ago)
** Affects: linux-hwe (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1743495
Title:
system stutters heavily with usb3 ExpressCard inserted
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