From: "O Mahony, Billy" <billy.o.mahony@intel.com>
To: "'users@dpdk.org'" <users@dpdk.org>
Subject: Re: [dpdk-users] wrong vermagic in igb_uio.ko
Date: Thu, 5 Oct 2017 08:57:37 +0000 [thread overview]
Message-ID: <03135AEA779D444E90975C2703F148DC58C23F13@IRSMSX107.ger.corp.intel.com> (raw)
In-Reply-To: <03135AEA779D444E90975C2703F148DC58C23219@IRSMSX107.ger.corp.intel.com>
Hat-tip to Ferruh for the fix on this.
> From: O Mahony, Billy
> Sent: Wednesday, October 4, 2017 6:19 PM
> To: Yigit, Ferruh <ferruh.yigit@intel.com>;
> Subject: RE: wrong vermagic in igb_uio.ko
>
> Excellent. Thanks, Ferruh.
>
> On my system /lib/modules/$(uname -r)/build and source were both pointing to
> the src/headers for the other kernel src. Manually changing those fixed the
> issue.
>
> I wonder what sets up those links in the first place?
>
> > -----Original Message-----
> > From: Yigit, Ferruh
> > Sent: Wednesday, October 4, 2017 5:51 PM
> > To: O Mahony, Billy <billy.o.mahony@intel.com>;
> > Subject: RE: wrong vermagic in igb_uio.ko
> >
> > By default kernel modules uses " /lib/modules/$(shell uname -r)/build"
> > as RTE_KERNELDIR.
> >
> > But you can provide this RTE_KERNELDIR variable externally to the
> > kernel source you want to compile modules against.
> -----Original Message-----
> From: O Mahony, Billy
> Sent: Tuesday, October 3, 2017 5:18 PM
> To: users@dpdk.org
> Subject: wrong vermagic in igb_uio.ko
>
> Hi,
>
> I have two kernels installed on my system. One with some local patches applied.
>
> 4.9.30-rt20
> And
> 4.9.30-rt20-timers-patch
>
> But regardless of which kernel I boot with when I build DPDK igb_uio always has
> vermagic from just one kernel. 4.9.30-rt20. Even though the build puts it in a
> correctly named path.
>
> # modinfo ./install/lib/modules/4.9.30-rt20-timers-
> patch/extra/dpdk/igb_uio.ko | grep -i magic
> vermagic: 4.9.30-rt20 SMP preempt mod_unload
> # uname -r
> 4.9.30-rt20-timers-patch
>
> I can't see any kernel/vermagic configuration in the various config files. I'm
> pretty sure I'd figured out before that the dpdk build was pulling this info from
> /usr/src/linux/.config CONFIG_LOCALVERSION setting but it seems to be
> ignoring anything I put in that now.
>
> Where /does/ the dpdk build get the kernel version info from?
>
> Cheers,
> Billy
>
>
>
>
>
>
>
prev parent reply other threads:[~2017-10-05 8:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-03 16:18 O Mahony, Billy
2017-10-05 8:57 ` O Mahony, Billy [this message]
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