New Build - 02/20/2020 - r42460

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malbers15
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PostPosted: Sat Feb 22, 2020 17:35    Post subject: Reply with quote
blkt wrote:
Which country is your regulatory domain set to in wireless basic settings (first interface with advanced settings checked)?

What are your channel settings? Have any of these changed from the previous build?


I performed an upgrade from r37736 to r42460 and left all settings unchanged.

I am in AP mode and have my regulatory domain set for the United States with wireless network mode set for N only (this device is only 2.4Ghz) with wireless channel at 11 and extension channel set for lower.
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kernel-panic69
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PostPosted: Sat Feb 22, 2020 19:33    Post subject: Reply with quote
Does N-Only work correctly on Atheros/Qualcomm?
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tatsuya46
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PostPosted: Sat Feb 22, 2020 21:31    Post subject: Reply with quote
no
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Therameatelf
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PostPosted: Sun Feb 23, 2020 3:24    Post subject: Reply with quote
blkt wrote:
Ah, impatient ;).[/quote]
Pretty much. Thought briefly about going though a fresh setup, but I'll need to do that in a couple of weeks anyway.
Per Yngve Berg
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PostPosted: Sun Feb 23, 2020 9:50    Post subject: Reply with quote
Router Model: Netgear R7800/gateway
Firmware: DD-WRT v3.0-r42460 std (02/20/20)
Previous: DD-WRT v3.0-r42335 std (02/10/20)
Reset: No
Status: Dependant libraries for tcpdump not present

tcpdump
Error loading shared library libpcap.so.1: No such file or directory (needed by /usr/sbin/tcpdump)
Error relocating /usr/sbin/tcpdump: pcap_list_tstamp_types: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_set_promisc: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_dump_flush: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_tstamp_type_name_to_val: symbol not found
kernel-panic69
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PostPosted: Sun Feb 23, 2020 12:14    Post subject: Reply with quote
kernel-panic69 wrote:
Does N-Only work correctly on Atheros/Qualcomm?


tatsuya46 wrote:
no


It was a rhetorical question for the sake of pointing out a bad configuration to @malbers15. Purposely using known bad configurations and wondering why things don't work doesn't make sense.

https://wiki.dd-wrt.com/wiki/index.php/QCA_wireless_settings

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malbers15
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PostPosted: Sun Feb 23, 2020 20:27    Post subject: Reply with quote
tatsuya46 wrote:
no


Thank you for giving the forum a helpful response!

So, what do we actually mean when we say it's broken? For instance, I still have devices accessing the AP on N-only on this build, so, other than the power level, it appears to still conduct traffic. I am wondering if it is just power level of N-only that's broken, or other components in addition.
And does anyone know when the N-only functionality for wifi will be restored on Atheros/Qualcom un full?
kernel-panic69
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PostPosted: Sun Feb 23, 2020 20:41    Post subject: Reply with quote
As far as I know, *-Only modes have been caveat emptor / YMMV across the board since before I got here. Doesn't matter which hardware.
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Wildlion
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PostPosted: Sun Feb 23, 2020 22:49    Post subject: Reply with quote
Router: TL-WDR3600 v1
Firmware: tl-wdr3600_us-webflash.bin (v3.0-r42460 std)
Kernel: Linux 3.10.108-d10 #39295 Thu Feb 20 04:57:09 +04 2020 mips
Status: working
Reset: No
Notes on configuration:

    Client

Errors:


    1. 5Ghz wireless light is not on (2.4Ghz light works)

yodog
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PostPosted: Mon Feb 24, 2020 1:39    Post subject: Reply with quote
I have an R9000 and it bricked it via GUI upload method. Anyone else run into this? I had to TFTP it to revive it.
ironstaff
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PostPosted: Mon Feb 24, 2020 9:30    Post subject: Reply with quote
yodog wrote:
I have an R9000 and it bricked it via GUI upload method. Anyone else run into this? I had to TFTP it to revive it.


You can uncheck cve-14899 mitigation check box on the VPN page for client and server. This should fix the soft brick during boot in r42460

Or

You can wait for the for a release that has this fix —> https://svn.dd-wrt.com/changeset/42493
yodog
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PostPosted: Mon Feb 24, 2020 11:42    Post subject: Reply with quote
ironstaff wrote:
yodog wrote:
I have an R9000 and it bricked it via GUI upload method. Anyone else run into this? I had to TFTP it to revive it.


You can uncheck cve-14899 mitigation check box on the VPN page for client and server. This should fix the soft brick during boot in r42460

Or

You can wait for the for a release that has this fix —> https://svn.dd-wrt.com/changeset/42493



Can’t find the cve-14899 mitigation check box. And yes I will wait for a better version. For now inverted to the one that got released on 2/17/2020 and it’s running great.
kernel-panic69
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PostPosted: Mon Feb 24, 2020 14:02    Post subject: Reply with quote
I don't think the checkbox is visible unless you have a VPN / tunneling configured on your router. Not sure what the hidden default value is at the moment, but I will look.

EDIT:

    openvpncl_mit=1
    openvpn_mit=1
    oet_mit=1


To toggle those without configuring any kind of VPN or tunnel, one would need to do:


Code:
nvram set openvpncl_mit=0 <enter>
nvram set openvpn_mit=0 <enter>
nvram set oet_mit=0 <enter>
nvram commit <enter>
reboot


via ssh or telnet CLI (not the commands webshell)

Funny thing is, the default values had no impact on my E4200v1 Shocked Laughing

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cursemex
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PostPosted: Mon Feb 24, 2020 14:37    Post subject: Reply with quote
Netgear R7800
Firmware: DD-WRT v3.0-r42460 std (02/20/20)
Kernel: Linux 4.9.214 #519 SMP Sat Feb 15 05:17:49 +03 2020 armv7l
Status: Working
Reset: No
Uptime: 1 day, 20:57
Errors: Kind of

I flashed the bin via web, did not reset and my settings were the same. After flashing, my router took more time than usual to start, rebooting fixed the issue. EDIT:Rebooting from GUI seems to hang the boot for me, I have to manually restart it from the back if I rebooted from GUI.

The 5Ghz LED is off, but the radio is on. I pressed apply on wifi settings, it reseted the radio and made the 5Ghz LED work again.

IPv6, DNSMasq, Adblock, DNSCryptv2, QoS

Edit#2: erasing NVRAM made my router unresponsive. Time to TTL flash it, I guess.

Edit#3: Reverted back to r42287 until the issue is fixed


Last edited by cursemex on Mon Feb 24, 2020 18:47; edited 3 times in total
malbers15
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PostPosted: Mon Feb 24, 2020 14:58    Post subject: Reply with quote
kernel-panic69 wrote:
As far as I know, *-Only modes have been caveat emptor / YMMV across the board since before I got here. Doesn't matter which hardware.



I think I am experiencing a different bug because changing to NG-Mixed did not fix the power level. It still says 16dbm and it should max at 18dbm.
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