>From: Yigit, Ferruh >Sent: Friday, October 13, 2017 3:50 AM >To: Patrick MacArthur <patr...@patrickmacarthur.net>; Markus Theil ><markus.th...@tu-ilmenau.de>; dev@dpdk.org; Kavanagh, Mark B ><mark.b.kavan...@intel.com> >Cc: step...@networkplumber.org; Bob Noseworthy <r...@iol.unh.edu>; Patrick >MacArthur <pmaca...@iol.unh.edu>; O'Driscoll, Tim <tim.odrisc...@intel.com> >Subject: Re: [dpdk-dev] [PATCH v7 5/6] igb_uio: use kernel functions for >masking MSI-X > >On 10/12/2017 6:04 PM, Ferruh Yigit wrote: >> On 10/9/2017 10:56 PM, Patrick MacArthur wrote: >>> Hi, Markus, >>> >>> This commit appears to cause a regression on CentOS 7.4 with the in-box >>> Linux 3.10.0-639-2.2.el7.x86_64 kernel. Although the kernel module >>> appears to build correctly, when I attempt to load the module with >>> insmod, it fails and I see the following errors in dmesg: >>> >>>> [620323.805125] igb_uio: Unknown symbol unmask_msi_irq (err 0) >>>> [620323.805163] igb_uio: Unknown symbol mask_msi_irq (err 0) >>> >> >> Hi Patrick, Mark, >> >> Thanks for reporting, I will check it. > >Can you please test http://dpdk.org/dev/patchwork/patch/30325/
Hey Ferruh, I can confirm that this patch resolves the build issues on Fedora 20, kernel 3.19.8-100.fc20.x86_64 - thanks! Incidentally, there is a minor warning reported when applying the patch: Applying: igb_uio: fix unknown symbols /home/<redacted>/.git/rebase-apply/patch:47: new blank line at EOF. + Thanks again, Mark > >> >> >>> It also fails with the same dmesg errors if I copy it into >>> /lib/modules/$(uname -r)/extra, run depmod, and try to modprobe it. >>> >>> Running git bisect points to this commit as the root cause. >>> >>> This issue was identified as part of setting up the DPDK performance >>> test lab CI environment at the University of New Hampshire >>> InterOperability Laboratory. >>> >>> Thanks, >>> Patrick >>> >> <...> >>