Since it works fine with the previous kernel, and not with the new kernel, that would seem to pointing to the kernel versus the other devices. With the wired devices it is a trendnet router that I've had for many years. With the wireless, it is a blink wireless router. In both cases, it worked before the upgrade, and rebooting to the previous kernel makes it work again. Just after midnight here, so will have to look into the things tomorrow. Have a sunrise ride, and then a funeral escort, so will have to wait. I'm still using Fedora 27, so perhaps it is a difference between the fedora 27 and Fedora 28. Will have to see if there is some kind of failure message. On 1 Jun 2018 at 21:38, Ed Greshko wrote: From: Ed Greshko <ed.greshko@xxxxxxxxxxx> Subject: Re: Strange issue with dhcpd and laster kernel upgrade? To: users@xxxxxxxxxxxxxxxxxxxxxxx Date sent: Fri, 1 Jun 2018 21:38:27 +0800 Send reply to: Community support for Fedora users <users@xxxxxxxxxxxxxxxxxxxxxxx> > On 06/01/18 20:57, Michael D. Setzer II wrote: > > Have just had an issue with the dhcp ip addresses no longer working with the > > latest kernels on my Fedora 27 machines. > > > > Have 4 machines at my house, 2 have fixed IP addresses, so had no > > problems, but the other 2 machines stopped getting IPs. Didn't think anything > > of it, and just assigned them fixed IP addresses. > > > > Have an old notebook that I had just been using, and did the updates. Then > > rebooted, and it also would no longer get a connection with the 4.16.12 > > kernel. Rebooted to the 4.16.11, and it connected with no problem?? > > > > Rebooted again with the 4.16.12, and it just shows connecting, but no > > connection. > > > > Changed the setup to hard code an IP address on the wifi routers range, and > > then it connects to the wifi just fine. > > > > So Wifi and dhcp connection works fine with 4.16.11, but fails with 4.16.12?? > > Works with the IP address hard coded, so is this a kernel issue or what? > > > You've not indicated what system is acting as the dhcp server. > > My system is running F28 and 4.16.12-300.fc28 kernel. It has one wired interface > with a fixed IP and a WiFi interface that gets its IP address via DHCP from a > router. No issues. > > Not much thought put into this.... But I did "journalctl -b | grep dhcp4 and this is > the exchange. > > Jun 01 21:36:10 meimei.greshko.com NetworkManager[1017]: <info> [1527860170.5524] > dhcp4 (wlp0s29u1u2): activation: beginning transaction (timeout in 45 seconds) > Jun 01 21:36:10 meimei.greshko.com NetworkManager[1017]: <info> [1527860170.5554] > dhcp4 (wlp0s29u1u2): dhclient started with pid 31750 > Jun 01 21:36:10 meimei.greshko.com NetworkManager[1017]: <info> [1527860170.5924] > dhcp4 (wlp0s29u1u2): address 192.168.2.190 > Jun 01 21:36:10 meimei.greshko.com NetworkManager[1017]: <info> [1527860170.5925] > dhcp4 (wlp0s29u1u2): plen 24 (255.255.255.0) > Jun 01 21:36:10 meimei.greshko.com NetworkManager[1017]: <info> [1527860170.5925] > dhcp4 (wlp0s29u1u2): gateway 192.168.2.5 > Jun 01 21:36:10 meimei.greshko.com NetworkManager[1017]: <info> [1527860170.5925] > dhcp4 (wlp0s29u1u2): lease time 86400 > Jun 01 21:36:10 meimei.greshko.com NetworkManager[1017]: <info> [1527860170.5925] > dhcp4 (wlp0s29u1u2): hostname 'meimei' > Jun 01 21:36:10 meimei.greshko.com NetworkManager[1017]: <info> [1527860170.5926] > dhcp4 (wlp0s29u1u2): nameserver '192.168.2.5' > Jun 01 21:36:10 meimei.greshko.com NetworkManager[1017]: <info> [1527860170.5926] > dhcp4 (wlp0s29u1u2): domain name 'greshko.com' > Jun 01 21:36:10 meimei.greshko.com NetworkManager[1017]: <info> [1527860170.5926] > dhcp4 (wlp0s29u1u2): state changed unknown -> bound > > -- > Conjecture is just a conclusion based on incomplete information. It isn't a fact. > > +------------------------------------------------------------+ Michael D. Setzer II - Computer Science Instructor (Retired) mailto:mikes@xxxxxxxx mailto:msetzerii@xxxxxxxxx Guam - Where America's Day Begins G4L Disk Imaging Project maintainer http://sourceforge.net/projects/g4l/ +------------------------------------------------------------+ http://setiathome.berkeley.edu (Original) Number of Seti Units Returned: 19,471 Processing time: 32 years, 290 days, 12 hours, 58 minutes (Total Hours: 287,489) BOINC@HOME CREDITS ROSETTA 65562597.392201 | ABC 16613838.513356 SETI 109375858.605587 | EINSTEIN 141132520.999240 _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx/message/RURNVKP6V63PAYNXTSISGBI4WN5KZDDC/
