** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1564470
Title:
Unable to install NI-VISA nikal kernel module because of GPL-only
symbol 'pgprot_writecombine'
Status in linux package in Ubuntu:
Triaged
Bug description:
Steps to reproduce:
1. Login to National Instruments site
2. Download NI-VISA 15.0 for linux (NI-VISA-15.0.0.iso).
3. Launch its installation by "sudo ./INSTALL"
4. Get errors on nikal kernel modules compilation about "pgprot_writecombine"
symbol
(
sudo /usr/local/natinst/nikal/bin/updateNIDrivers
Configuring NI-KAL for kernel version 4.4.0-16-generic...
Building module nikal...
<11>Mar 31 23:04:51 nikal: CC [M]
/var/lib/nikal/4.4.0-16-generic/nikal/nikal.o
<11>Mar 31 23:04:51 nikal: Building modules, stage 2.
<11>Mar 31 23:04:51 nikal: MODPOST 1 modules
<11>Mar 31 23:04:51 nikal: FATAL: modpost: GPL-incompatible module nikal.ko
uses GPL-only symbol 'pgprot_writecombine'
<11>Mar 31 23:04:51 nikal: scripts/Makefile.modpost:91: recipe for target
'__modpost' failed
<11>Mar 31 23:04:51 nikal: make[2]: *** [__modpost] Error 1
<11>Mar 31 23:04:51 nikal: Makefile:1399: recipe for target 'modules' failed
<11>Mar 31 23:04:51 nikal: make[1]: *** [modules] Error 2
<11>Mar 31 23:04:51 nikal: Makefile:32: recipe for target 'nikal.ko' failed
<11>Mar 31 23:04:51 nikal: make: *** [nikal.ko] Error 2
<11>Mar 31 23:04:51 nikal: ERROR: failed to build nikal
<11>Mar 31 23:04:51 nikal: ERROR: NI-KAL update failed.
<11>Mar 31 23:04:51 nikal: ERROR: make of nikal kernel module failed, not
installing kernel module.
<11>Mar 31 23:04:51 nikal: ERROR: updateNIDrivers should be called again
after fixing the problem.
<11>Mar 31 23:04:51 nikal: ERROR: Logging failure...
find: ‘/lib/modules/4.4.0-15-generic/kernel/natinst’: No such file or
directory
<11>Mar 31 23:04:51 nikal: ERROR: Include the file
/tmp/niSystemReport.out.gz when contacting
<11>Mar 31 23:04:51 nikal: ERROR: National Instruments for support.
<11>Mar 31 23:04:51 nikal: ERROR: Update of National Instruments drivers
failed.
)
Temporary solution:
1. Edit /usr/src/linux-headers-4.4.0-16-generic/Module.symvers
and change line
0xd544e902 pgprot_writecombine vmlinux EXPORT_SYMBOL_GPL
to
0xd544e902 pgprot_writecombine vmlinux EXPORT_SYMBOL
2. Edit /boot/abi-4.4.0-16-generic
and change line
EXPORT_SYMBOL_GPL vmlinux 0xd544e902 pgprot_writecombine
to
EXPORT_SYMBOL vmlinux 0xd544e902 pgprot_writecombine
but it does not help - I get "nikal: Unknown symbol
pgprot_writecombine (err 0)" in syslog.
Expected results:
0. The 'pgprot_writecombine' symbol is exported as EXPORT_SYMBOL
1. Ubuntu can compile and load NI nikal module.
Actual results:
Unable to use NI-VISA under Ubuntu.
Reference (openSUSE):
http://forums.ni.com/t5/Instrument-Control-GPIB-Serial/GPL-incompatible-module-nikal-ko/td-p/3218730
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-16-generic 4.4.0-16.32
ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
Uname: Linux 4.4.0-16-generic i686
ApportVersion: 2.20-0ubuntu3
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: flash 1549 F.... pulseaudio
/dev/snd/controlC0: flash 1549 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Mar 31 18:16:37 2016
InstallationDate: Installed on 2016-03-26 (4 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Beta i386 (20160323)
IwConfig:
lo no wireless extensions.
enp1s0 no wireless extensions.
MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M.
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-16-generic
root=UUID=eab7b488-5040-499c-afd8-21a7ce9e2383 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-16-generic N/A
linux-backports-modules-4.4.0-16-generic N/A
linux-firmware 1.157
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/09/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: FD
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: F2A55M-DS2
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrFD:bd01/09/2014:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnF2A55M-DS2:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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