Vincent Lefevre wrote: > On 2018-12-11 15:45:19 -0500, Dan Ritter wrote: > > Check the link status: > > > > iw dev wlp61s0 link > > > > Look for the hotspot: > > > > iw dev wlp61s0 scan > > > > Connect to one: > > > > iw dev wlp61s0 connect "$ESSID" > > > > Run dhclient by hand: > > > > dhclient wlp61s0 > > > > Tell us where it falls down along that path. > > Thanks for the instructions. I hope I can try tomorrow > (I need to bring my laptop there). > > In the mean time, I could try another open wifi hotspot that was > reachable, and the connection was successful. I could see a difference > in the kernel logs. This time, I had the following additional lines: > > Dec 12 10:36:50 zira kernel: wlp61s0: authenticate with 14:0c:76:9f:e9:d9 > Dec 12 10:36:50 zira kernel: wlp61s0: send auth to 14:0c:76:9f:e9:d9 (try 1/3) > Dec 12 10:36:50 zira kernel: wlp61s0: aborting authentication with > 14:0c:76:9f:e9:d9 by local choice (Reason: 3=DEAUTH_LEAVING) > Dec 12 10:36:50 zira kernel: wlp61s0: authenticate with 14:0c:76:9f:e9:d9 > Dec 12 10:36:50 zira kernel: wlp61s0: send auth to 14:0c:76:9f:e9:d9 (try 1/3) > Dec 12 10:36:50 zira kernel: wlp61s0: authenticated > Dec 12 10:36:50 zira kernel: wlp61s0: associate with 14:0c:76:9f:e9:d9 (try > 1/3) > Dec 12 10:36:50 zira kernel: wlp61s0: RX AssocResp from 14:0c:76:9f:e9:d9 > (capab=0x401 status=0 aid=1) > Dec 12 10:36:50 zira kernel: wlp61s0: associated > Dec 12 10:36:50 zira kernel: IPv6: ADDRCONF(NETDEV_CHANGE): wlp61s0: link > becomes ready > > So, the issue was not due to DHCP.
Yeah, I think you had a link problem, not a DHCP problem. > BTW, I don't know whether this is related, but I sometimes > see a kernel warning with a trace, e.g. > > Dec 11 11:01:43 zira kernel: ------------[ cut here ]------------ > Dec 11 11:01:43 zira kernel: TX on unused queue 2 > Dec 11 11:01:43 zira kernel: WARNING: CPU: 0 PID: 2545 at > /build/linux-F3l5KA/linux-4.18.20/drivers/net/wireless/intel/iwlwifi/pcie/tx.c:2287 > iwl_trans_pcie_tx+0xdab/0x1180 [iwlwifi] > [...] It's the right thing to go wrong and produce problems. -dsr-