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Firmware: Signature Version: 2.376 2023/10/17 - Filling System Log with errors

Rooke
Star III

Router: RT-AC66U B1 (AC1750); Firmware Version: 3.0.0.4.51665 ;
On Tuesday, 2023/10/17, I noticed the entire System Log filled with the same repeating errors, all starting with error: "kernel: dcd/22609: potentially unexpected fatal signal 6." The only difference between the errors is the dcd number.

I checked the Administration menu, Firmware Upgrade tab, and found that the Firmware Signature Version had been updated to "2.376 2023/10/17 09:04" which was a couple of hours before I checked the logs.

After seeing that, I unplugged the Router for a few minutes and plugged it in again and let it boot up.

The errors went away for about an hour then came back. Subsequent (4) power off/on resulted in the same situation.

The errors do not seem to be affecting the router's performance, but the problem needs to be addressed by Asus. Attached is a snippet of the errors.

73 REPLIES 73

It's a good solution so thank you for taking the time to deal with it and post it but it's unfortunately about as good as saying "The solution is to buy another brand's router that doesn't have the issue"! 

I've long thought about adding Merlin or another FW to my routers but have always come to the conclusion that I set up my routers one way and they seem to work fine so I don't need all the additional tweaking.  Otherwise I'd probably already be all over this.

Now if you said "Log on to the router via telnet and tweak this one config file in /usr/bin/blahblahblah" THAT I'd do in a heartbeat!

fly2high
Star II

GOOD NEWS

Today Asus has released new firmware fixing the issue: ( no error since 5 hours)

 

ASUS RT-AC66U B1 Firmware version 3.0.0.4.386_51668
Version 3.0.0.4.386_51668
98.78 MB
2023/11/30

1. Resolved an issue causing excessive log generation due to bwdpi issue.
2. Fixed a potential issue causing higher CPU utilization.

Please unzip the firmware file, and then verify the checksum.
SHA256: 098ff2e48b60a2a97f6175257af15faac124802a8da94823dbf7bc1589a304ee

Thank you, I've been standing on the beta release of this, waiting for the formal one. I'll likely install Wednesday or Thursday this week. 

COOL!

kevinkar
Star III

I have not yet downloaded an official release and am using the pre-release one Asus pointed me to and, though it's been running fine since I installed it, I do see similar errors popping in.  Instead of a fatal signal 6 it's now a fatal signal 11 and it does seem to repeat many times in one second.  A vomit of info all at once.

Everyone might want to check their logs after installing the released FW.  I'll let this go until the weekend and install the released version to see if there's a difference.  Meanwhile, here's what I'm seeing albeit infrequently (everything else in the log is normal devices connecting and disconnecting many times during the day which sadly fill up the log so this is all I have on the error so far from yesterday) :

Dec 5 19:38:30 kernel: wred/9801: potentially unexpected fatal signal 11.
Dec 5 19:38:30 kernel: Pid: 9801, comm: wred
Dec 5 19:38:30 kernel: CPU: 1 Tainted: P (2.6.36.4brcmarm #1)
Dec 5 19:38:30 kernel: PC is at 0x2ac47bdc
Dec 5 19:38:30 kernel: LR is at 0xf000007c
Dec 5 19:38:30 kernel: pc : [<2ac47bdc>] lr : [<f000007c>] psr: 80000010
Dec 5 19:38:30 kernel: sp : 7d9fd200 ip : 2ac684b0 fp : 000009e0
Dec 5 19:38:30 kernel: r10: 00000058 r9 : 2ac68180 r8 : 00000001
Dec 5 19:38:30 kernel: r7 : 2ac681b4 r6 : 0042f7d8 r5 : 2ac624f8 r4 : 00000048
Dec 5 19:38:30 kernel: r3 : 00000009 r2 : 2ac681ac r1 : 00000000 r0 : f000007d
Dec 5 19:38:30 kernel: Flags: Nzcv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
Dec 5 19:38:30 kernel: Control: 10c53c7d Table: 5233c04a DAC: 00000015
Dec 5 19:38:30 kernel: wred/9802: potentially unexpected fatal signal 11.
Dec 5 19:38:30 kernel: wred/9803: potentially unexpected fatal signal 11.
Dec 5 19:38:30 kernel: Pid: 9803, comm: wred
Dec 5 19:38:30 kernel: CPU: 0 Tainted: P (2.6.36.4brcmarm #1)
Dec 5 19:38:30 kernel: PC is at 0x2ac0ca8c
Dec 5 19:38:30 kernel: LR is at 0x2ab8e7ac
Dec 5 19:38:30 kernel: pc : [<2ac0ca8c>] lr : [<2ab8e7ac>] psr: 80000010
Dec 5 19:38:30 kernel: sp : 7d5ffdf0 ip : 2ab97f60 fp : 7d5ffe6c
Dec 5 19:38:30 kernel: r10: 2ab9c020 r9 : 2ab9c3dc r8 : 00000000
Dec 5 19:38:30 kernel: r7 : 000000b3 r6 : 7d5ffea0 r5 : 7d5ffe00 r4 : 2ab97d74
Dec 5 19:38:30 kernel: r3 : 00000000 r2 : 80002000 r1 : 00000008 r0 : fffffdfe
Dec 5 19:38:30 kernel: Flags: Nzcv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
Dec 5 19:38:30 kernel: Control: 10c53c7d Table: 5233c04a DAC: 00000015
Dec 5 19:38:30 kernel: wred/9800: potentially unexpected fatal signal 11.
Dec 5 19:38:30 kernel: Pid: 9800, comm: wred
Dec 5 19:38:30 kernel: CPU: 0 Tainted: P (2.6.36.4brcmarm #1)
Dec 5 19:38:30 kernel: PC is at 0x2ac0ca8c
Dec 5 19:38:30 kernel: LR is at 0x2ab8e7ac
Dec 5 19:38:30 kernel: pc : [<2ac0ca8c>] lr : [<2ab8e7ac>] psr: 80000010
Dec 5 19:38:30 kernel: sp : 7dbffdf0 ip : 2ab97f60 fp : 7dbffe6c
Dec 5 19:38:30 kernel: r10: 2ab9c020 r9 : 2ab9c3dc r8 : 00000000
Dec 5 19:38:30 kernel: r7 : 000000b3 r6 : 7dbffea0 r5 : 7dbffe00 r4 : 2ab97d74
Dec 5 19:38:30 kernel: r3 : 00000000 r2 : 80002000 r1 : 00000008 r0 : fffffdfe
Dec 5 19:38:30 kernel: Flags: Nzcv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
Dec 5 19:38:30 kernel: Control: 10c53c7d Table: 5233c04a DAC: 00000015
Dec 5 19:38:30 kernel: wred/9798: potentially unexpected fatal signal 11.
Dec 5 19:38:30 kernel: Pid: 9798, comm: wred
Dec 5 19:38:30 kernel: CPU: 0 Tainted: P (2.6.36.4brcmarm #1)
Dec 5 19:38:30 kernel: PC is at 0x2ac0ca8c
Dec 5 19:38:30 kernel: LR is at 0x2ab8e7ac
Dec 5 19:38:30 kernel: pc : [<2ac0ca8c>] lr : [<2ab8e7ac>] psr: 80000010
Dec 5 19:38:30 kernel: sp : 7dfffdf0 ip : 2ab97f60 fp : 7dfffe6c
Dec 5 19:38:30 kernel: r10: 2ab9c020 r9 : 2ab9c3dc r8 : 00000000
Dec 5 19:38:30 kernel: r7 : 000000b3 r6 : 7dfffea0 r5 : 7dfffe00 r4 : 2ab97d74
Dec 5 19:38:30 kernel: r3 : 00000000 r2 : 80002000 r1 : 00000008 r0 : fffffdfe
Dec 5 19:38:30 kernel: Flags: Nzcv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
Dec 5 19:38:30 kernel: Control: 10c53c7d Table: 5233c04a DAC: 00000015
Dec 5 19:38:30 kernel: wred/9784: potentially unexpected fatal signal 11.
Dec 5 19:38:30 kernel: Pid: 9784, comm: wred
Dec 5 19:38:30 kernel: CPU: 0 Tainted: P (2.6.36.4brcmarm #1)
Dec 5 19:38:30 kernel: PC is at 0x2ac0b890
Dec 5 19:38:30 kernel: LR is at 0x2ab8dee4
Dec 5 19:38:30 kernel: pc : [<2ac0b890>] lr : [<2ab8dee4>] psr: 60000010
Dec 5 19:38:30 kernel: sp : 7e5ffde8 ip : 2ab97de8 fp : 7e5ffe6c
Dec 5 19:38:30 kernel: r10: 2ab9c020 r9 : 2ab9c3dc r8 : 00000000
Dec 5 19:38:30 kernel: r7 : 000000a2 r6 : 7ecd1c48 r5 : 7e5ffe30 r4 : 7e5ffe30
Dec 5 19:38:30 kernel: r3 : 00000000 r2 : 00000230 r1 : 7e5ffe30 r0 : fffffdfc
Dec 5 19:38:30 kernel: Flags: nZCv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
Dec 5 19:38:30 kernel: Control: 10c53c7d Table: 5233c04a DAC: 00000015
Dec 5 19:38:30 kernel: wred/9782: potentially unexpected fatal signal 11.
Dec 5 19:38:30 kernel: Pid: 9782, comm: wred
Dec 5 19:38:30 kernel: CPU: 0 Tainted: P (2.6.36.4brcmarm #1)
Dec 5 19:38:30 kernel: PC is at 0x2ac0a878
Dec 5 19:38:30 kernel: LR is at 0x2ab8e4bc
Dec 5 19:38:30 kernel: pc : [<2ac0a878>] lr : [<2ab8e4bc>] psr: 60000010
Dec 5 19:38:30 kernel: sp : 7ecd1bb0 ip : 2ab97dfc fp : 00000001
Dec 5 19:38:30 kernel: r10: 0026a1e8 r9 : 002607d0 r8 : 0002b104
Dec 5 19:38:30 kernel: r7 : 000000fc r6 : ffffffff r5 : 0000000a r4 : 00351778
Dec 5 19:38:30 kernel: r3 : ffffffff r2 : 00000020 r1 : 00351778 r0 : fffffffc
Dec 5 19:38:30 kernel: Flags: nZCv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
Dec 5 19:38:30 kernel: Control: 10c53c7d Table: 5233c04a DAC: 00000015
Dec 5 19:38:30 kernel: wred/9796: potentially unexpected fatal signal 11.
Dec 5 19:38:30 kernel: Pid: 9796, comm: wred
Dec 5 19:38:30 kernel: CPU: 0 Tainted: P (2.6.36.4brcmarm #1)
Dec 5 19:38:30 kernel: PC is at 0x2ac0ca8c
Dec 5 19:38:30 kernel: LR is at 0x2ab8e7ac
Dec 5 19:38:30 kernel: pc : [<2ac0ca8c>] lr : [<2ab8e7ac>] psr: 80000010
Dec 5 19:38:30 kernel: sp : 7e3ffdf0 ip : 2ab97f60 fp : 7e3ffe6c
Dec 5 19:38:30 kernel: r10: 2ab9c020 r9 : 2ab9c3dc r8 : 00000000
Dec 5 19:38:30 kernel: r7 : 000000b3 r6 : 7e3ffea0 r5 : 7e3ffe00 r4 : 2ab97d74
Dec 5 19:38:30 kernel: r3 : 00000000 r2 : 80002000 r1 : 00000008 r0 : fffffdfe
Dec 5 19:38:30 kernel: Flags: Nzcv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
Dec 5 19:38:30 kernel: Control: 10c53c7d Table: 5233c04a DAC: 00000015
Dec 5 19:38:30 kernel: wred/9797: potentially unexpected fatal signal 11.
Dec 5 19:38:30 kernel: Pid: 9797, comm: wred
Dec 5 19:38:30 kernel: CPU: 0 Tainted: P (2.6.36.4brcmarm #1)
Dec 5 19:38:30 kernel: PC is at 0x2ac0ca8c
Dec 5 19:38:30 kernel: LR is at 0x2ab8e7ac
Dec 5 19:38:30 kernel: pc : [<2ac0ca8c>] lr : [<2ab8e7ac>] psr: 80000010
Dec 5 19:38:30 kernel: sp : 7e1ffdf0 ip : 2ab97f60 fp : 7e1ffe6c
Dec 5 19:38:30 kernel: r10: 2ab9c020 r9 : 2ab9c3dc r8 : 00000000
Dec 5 19:38:30 kernel: r7 : 000000b3 r6 : 7e1ffea0 r5 : 7e1ffe00 r4 : 2ab97d74
Dec 5 19:38:30 kernel: r3 : 00000000 r2 : 80002000 r1 : 00000008 r0 : fffffdfe
Dec 5 19:38:30 kernel: Flags: Nzcv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
Dec 5 19:38:30 kernel: Control: 10c53c7d Table: 5233c04a DAC: 00000015
Dec 5 19:38:30 kernel: wred/9799: potentially unexpected fatal signal 11.
Dec 5 19:38:30 kernel: Pid: 9799, comm: wred
Dec 5 19:38:30 kernel: CPU: 0 Tainted: P (2.6.36.4brcmarm #1)
Dec 5 19:38:30 kernel: PC is at 0x2ac0b890
Dec 5 19:38:30 kernel: LR is at 0x2ab8dee4
Dec 5 19:38:30 kernel: pc : [<2ac0b890>] lr : [<2ab8dee4>] psr: 60000010
Dec 5 19:38:30 kernel: sp : 7ddfd150 ip : 2ab97de8 fp : 0044d120
Dec 5 19:38:30 kernel: r10: 00000000 r9 : 0044d10c r8 : 2ac6327c
Dec 5 19:38:30 kernel: r7 : 000000a2 r6 : 001e8481 r5 : 7ddfd178 r4 : 00000000
Dec 5 19:38:30 kernel: r3 : 00000001 r2 : 00000230 r1 : 00000000 r0 : 00000000
Dec 5 19:38:30 kernel: Flags: nZCv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
Dec 5 19:38:30 kernel: Control: 10c53c7d Table: 5233c04a DAC: 00000015
Dec 5 19:38:30 kernel: Pid: 9802, comm: wred
Dec 5 19:38:30 kernel: CPU: 1 Tainted: P (2.6.36.4brcmarm #1)
Dec 5 19:38:30 kernel: PC is at 0x2ac0ca8c
Dec 5 19:38:30 kernel: LR is at 0x2ab8e7ac
Dec 5 19:38:30 kernel: pc : [<2ac0ca8c>] lr : [<2ab8e7ac>] psr: 80000010
Dec 5 19:38:30 kernel: sp : 7d7ffdf0 ip : 2ab97f60 fp : 7d7ffe6c
Dec 5 19:38:30 kernel: r10: 2ab9c020 r9 : 2ab9c3dc r8 : 00000000
Dec 5 19:38:30 kernel: r7 : 000000b3 r6 : 7d7ffea0 r5 : 7d7ffe00 r4 : 2ab97d74
Dec 5 19:38:30 kernel: r3 : 00000000 r2 : 80002000 r1 : 00000008 r0 : fffffdfe
Dec 5 19:38:30 kernel: Flags: Nzcv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
Dec 5 19:38:30 kernel: Control: 10c53c7d Table: 5233c04a DAC: 00000015

Signature 2.384 was made available as of last night.  Please try that.  If there's still an issue (with 2.384 and latest BIOS) try turning off AiProtection and report the problem...