Joined: 04 Dec 2007 Posts: 1263 Location: Murrysville, PA
Posted: Tue Jan 20, 2026 22:27 Post subject:
kernel-panic69 wrote:
More explicit concise helpful commentary, Aloz. Thanks for the pointer to check cache size. The build in use by the person is post-stack-overflow patch, so we can only hope that's not the problem
What are people using for cache sizes for SmartDNS and DNSMasq. I am not setting a cache size for SmartDNS and I have 1500 for DNSMasq. Now I am wondering if I can make performance improvements by adjusting those. _________________ Linksys MX8500 DD-WRT v3.0-r62966 std (12/06/25)
Linux 6.6.118-rt29 #4715 SMP Sat Dec 6 10:22:51 +07 2025 aarch64 Gateway, AP, DNSMasq, SmartDNS, NSS-ECM-SFE, QCA NSS, no STP
VAP on wlan1 for internet devices
IPv4 & IPv6 (Prefix Delegation)
Static Leases & DHCP
Cloudflare DoH & DoT, No QoS, No Forced DoT, 802.11k
2.4GHz: AP, AX Only, ACK Timing 300, WPA2 & WPA3 w/AES & GCMP
5GHz: AP, AX Only, ACK Timing 300, WPA2 & WPA3 w/AES & GCMP
Netgear AX1800 WiFi Mesh Extender
Xfinity 1.2Gbps/40Mbps
Joined: 16 Nov 2015 Posts: 7090 Location: UK, London, just across the river..
Posted: Tue Jan 20, 2026 22:50 Post subject:
on this particular system I dont have any DNS cache all 0, 0.. in fact once im back (soon) i will update XR500 indeed...your browser can have DNS cache, or your OS.. but mine is 0 too
and on my other systems, im mostly using DNScrypt-proxy v2 where i have set my cache to minimum... _________________ Atheros
TP-Link WR1043NDv2 -DD-WRT 62606 Gateway/DoT,Forced DNS,Ad-Block,Firewall,x4VLAN,VPN
TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
Qualcomm-Atheros
Netgear XR500 -DD-WRT 63600 GTW/SmDNS/DoT,AD-Blk,Forced DNS,AP&Net Isolation,x2VLAN,Vanilla
Netgear R7800 --DD-WRT 62606 Gateway/DNSCryptv2,AD-Block,Forced DNS,AP&Net Isolation,x3VLAN,Firewall,Vanilla,VPN cli
Netgear R9000 --DD-WRT 62606 Gateway/DoT,AD-Block,AP Isolation,Firewall,Forced DNS,x2VLAN,Vanilla
Dynalink DL-WRX36-DDWRT 62606
Broadcom
Netgear R7000 --DD-WRT 63600 GTW/DNScrypt-proxy2/AD-Block,IPset Firewall,Forced DNS,x4VLAN,VPN cli
NOT USING 5Ghz ANYWHERE
------------------------------------------------------
Stubby DNS over TLS I DNSCrypt v2 by mac913
Last edited by Alozaros on Wed Jan 21, 2026 8:49; edited 1 time in total
Joined: 04 Dec 2007 Posts: 1263 Location: Murrysville, PA
Posted: Tue Jan 20, 2026 22:52 Post subject:
Alozaros wrote:
on this particular system I dont have any DNS cache all 0, 0.. in fact once im back (soon) i will update XR500 indeed...your browser can have DNS cache, or your OS.. but mine is 0 too
and im mostly using DNScrypt-proxy v2 where i have set my cache to minimum...
Interesting....I'll experiment _________________ Linksys MX8500 DD-WRT v3.0-r62966 std (12/06/25)
Linux 6.6.118-rt29 #4715 SMP Sat Dec 6 10:22:51 +07 2025 aarch64 Gateway, AP, DNSMasq, SmartDNS, NSS-ECM-SFE, QCA NSS, no STP
VAP on wlan1 for internet devices
IPv4 & IPv6 (Prefix Delegation)
Static Leases & DHCP
Cloudflare DoH & DoT, No QoS, No Forced DoT, 802.11k
2.4GHz: AP, AX Only, ACK Timing 300, WPA2 & WPA3 w/AES & GCMP
5GHz: AP, AX Only, ACK Timing 300, WPA2 & WPA3 w/AES & GCMP
Netgear AX1800 WiFi Mesh Extender
Xfinity 1.2Gbps/40Mbps
No log file is created, but I do see some startup messages in the syslog. Note that the only setting I added from the GUI is the "log-level notice". The others show up by default _________________ Linksys MX8500 DD-WRT v3.0-r62966 std (12/06/25)
Linux 6.6.118-rt29 #4715 SMP Sat Dec 6 10:22:51 +07 2025 aarch64 Gateway, AP, DNSMasq, SmartDNS, NSS-ECM-SFE, QCA NSS, no STP
VAP on wlan1 for internet devices
IPv4 & IPv6 (Prefix Delegation)
Static Leases & DHCP
Cloudflare DoH & DoT, No QoS, No Forced DoT, 802.11k
2.4GHz: AP, AX Only, ACK Timing 300, WPA2 & WPA3 w/AES & GCMP
5GHz: AP, AX Only, ACK Timing 300, WPA2 & WPA3 w/AES & GCMP
Netgear AX1800 WiFi Mesh Extender
Xfinity 1.2Gbps/40Mbps
Joined: 08 May 2018 Posts: 16758 Location: Texas, USA
Posted: Wed Jan 21, 2026 17:13 Post subject:
It looks as if a logging level default of warn was set (along with log file location) at some point, but I believe this is what I have copied from the guide previously, now commented out:
Code:
#log-level info # fatal,error,warn,notice,info,debug
Joined: 04 Dec 2007 Posts: 1263 Location: Murrysville, PA
Posted: Wed Jan 21, 2026 18:11 Post subject:
kernel-panic69 wrote:
It looks as if a logging level default of warn was set (along with log file location) at some point, but I believe this is what I have copied from the guide previously, now commented out:
Code:
#log-level info # fatal,error,warn,notice,info,debug
It used to all go to syslog, if memory serves me correctly.
Thank you. I set it to 'debug' and now have lots of logging in the syslog. _________________ Linksys MX8500 DD-WRT v3.0-r62966 std (12/06/25)
Linux 6.6.118-rt29 #4715 SMP Sat Dec 6 10:22:51 +07 2025 aarch64 Gateway, AP, DNSMasq, SmartDNS, NSS-ECM-SFE, QCA NSS, no STP
VAP on wlan1 for internet devices
IPv4 & IPv6 (Prefix Delegation)
Static Leases & DHCP
Cloudflare DoH & DoT, No QoS, No Forced DoT, 802.11k
2.4GHz: AP, AX Only, ACK Timing 300, WPA2 & WPA3 w/AES & GCMP
5GHz: AP, AX Only, ACK Timing 300, WPA2 & WPA3 w/AES & GCMP
Netgear AX1800 WiFi Mesh Extender
Xfinity 1.2Gbps/40Mbps
Following up, turns out my issue was a bit less complex; I didn't actually have IPv6 enabled, so commenting out the IPv6 server entries seems to have resolved the ... stopping resolving.
