Public bug reported:
Getting
Jan 24 09:21:08 tux kernel: [52976.030567] wl 0000:06:00.0: swiotlb buffer is
full
Jan 24 09:21:08 tux kernel: [52976.030569] DMA: Out of SW-IOMMU space for 2048
bytes at device 0000:06:00.0
In my syslog which eventually ends up breaking all networking on the
desktop. I have the parameter iommu=soft specified but still get the
issue.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-32-generic 3.13.0-32.57 [modified:
boot/vmlinuz-3.13.0-32-generic]
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
NonfreeKernelModules: wl nvidia
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: jr 2244 F.... pulseaudio
/dev/snd/controlC1: jr 2244 F.... pulseaudio
/dev/snd/controlC0: jr 2244 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Jan 24 13:16:27 2015
HibernationDevice: RESUME=UUID=34841bb5-61d5-4a01-a342-24869f8869e0
InstallationDate: Installed on 2015-01-18 (5 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: Gigabyte Technology Co., Ltd. EP45T-UD3P
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic
root=UUID=ac1266a9-de0d-4e1d-a617-ff6300c35fec ro quiet splash iommu=soft
RelatedPackageVersions:
linux-restricted-modules-3.13.0-32-generic N/A
linux-backports-modules-3.13.0-32-generic N/A
linux-firmware 1.127.5
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/13/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F4
dmi.board.name: EP45T-UD3P
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF4:bd01/13/2009:svnGigabyteTechnologyCo.,Ltd.:pnEP45T-UD3P:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnEP45T-UD3P:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: EP45T-UD3P
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1414334
Title:
DMA Errors "DMA: Out of SW-IOMMU space for 2048 bytes at device
0000:06:00.0"
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