-- /var/log/syslog and /var/log/kern.log grow to 100s of MiB in less than a day. --
Typical excessive syslog entry is attached (hostname redacted). I am not making hardware changes at the times these entries are made. Entires are of the form:
Sep 7 20:05:55 <hostname> kernel: [14098.011547] r592: IRQ: card added
Sep 7 20:05:55 <hostname> kernel: [14098.011548] r592: IRQ: DMA error
followed by 38 lines of trace information
The laptop reports itself as having the problematic Ricoh devices. Relevant hwinfo attached. grepped extract follows
Model: "Ricoh R5C832 IEEE 1394 Controller"
Vendor: pci 0x1180 "Ricoh Co Ltd"
Model: "Ricoh xD-Picture Card Controller"
Vendor: pci 0x1180 "Ricoh Co Ltd"
Model: "Ricoh R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter"
Vendor: pci 0x1180 "Ricoh Co Ltd"
Model: "Ricoh R5C592 Memory Stick Bus Host Adapter"
Vendor: pci 0x1180 "Ricoh Co Ltd"
WORKAROUND: Blacklist devices by adding the following lines at the end of /etc/modprobe.d/blacklist.conf
# Stop errors filling up log - see
# https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1530187
# Blacklist Ricoh card reader
blacklist r592
blacklist r852
This stops messages from appearing in /var/log/kern.log and /var/log/syslog. The Ricoh cardreader built into the laptop still reads SD cards after such blacklisting.
---
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: pgrb 2220 F.... pulseaudio
/dev/snd/controlC1: pgrb 2220 F.... pulseaudio
/dev/snd/controlC0: pgrb 2220 F.... pulseaudio
DistroRelease: Ubuntu 16.04
HibernationDevice: RESUME=UUID=2b7792b7-4eda-4b10-b21c-ad775ff397b3
InstallationDate: Installed on 2017-09-05 (3 days ago)
InstallationMedia: Lubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
MachineType: LENOVO 0769BMG
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.10.0-33-generic root=/dev/mapper/herd-root ro cryptdevice=/dev/disk/by-uuid/081dc90a-6dbc-486a-8141-6635c99caca5:mithraeum quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.10.0-33.37~16.04.1-generic 4.10.17
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.10.0-33-generic N/A
linux-backports-modules-4.10.0-33-generic N/A
linux-firmware 1.157.12
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
Tags: xenial
Uname: Linux 4.10.0-33-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 08/15/2007
dmi.bios.vendor: LENOVO
dmi.bios.version: 68ET24WW
dmi.board.name: IEL10
dmi.board.vendor: LENOVO
dmi.board.version: REFERENCE
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnLENOVO:bvr68ET24WW:bd08/15/2007:svnLENOVO:pn0769BMG:pvr3000N200:rvnLENOVO:rnIEL10:rvrREFERENCE:cvnNoEnclosure:ct10:cvrN/A:
dmi.product.name: 0769BMG
dmi.product.version: 3000 N200
dmi.sys.vendor: LENOVO
Pontus Gråskæg, thank you for taking the time to report this bug and helping to make Ubuntu better.
Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect 1715861