Kernel: netlink: 12 bytes leftover after parsing attributes in process `ip'. NEW FIRMWARE GT-AXE16000

cc666 · Feb 20, 2023

Out of nowhere and the first time I have seen this the following in the log on my GT-AXE16000 router:

Kernel: netlink: 12 bytes leftover after parsing attributes in process `ip'.

Can ayone shed some light on this. How would I fix this issue?

This is on the just released new firmware.

CC

sfx2000 · Feb 20, 2023

cc666 said:
Can ayone shed some light on this. How would I fix this issue?

Nothing to fix - it's just a warning in syslog - useful for developers perhaps...

more info here

rtnetlink: Fix problem with buffer allocation - kernel/git/stable/linux.git - Linux kernel stable tree

git.kernel.org

jplw · Feb 20, 2023

I have the same problem with my RT-AX300 v2. I started getting that message, and after 2 days the router was non-function until I factory reset it. Originally I just allowed the GUI to upgrade the firmware. After I factory reset it, I went back to the previous firmware, then decided to do a factory reset install of this new version. I factory reset, upgraded, factory reset again, configured. I am still getting the message, which I never got with the previous firmware. i will post here if my system gets non-functional again.

cc666 · Feb 21, 2023

I just changed the log level to 4 and now the logs are clean. I am assuming this error is really not affecting anything unless it fills up your log. The fix is the level 4 commit to nvram done.

CC

jplw · Feb 21, 2023

On my RT-AX30000v2, after more than a day, I started getting errors like this:

02/19 14:50:10 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (61:17236)#033[0m
02/19 14:50:11 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (0:17236)#033[0m
02/19 14:50:11 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (0:17236)#033[0m
02/19 14:50:11 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (0:17236)#033[0m
02/19 14:50:11 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (0:17236)#033[0m
02/19 14:50:11 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (0:17236)#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 0#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 1#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 2#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 4#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 8#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 16#033[0m
02/19 14:50:13 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 32#033[0m
02/19 14:50:13 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 64#033[0m
02/19 14:50:13 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 128#033[0m

Sems like sa memory leak issue. After reboot it coulfd not send feedback nor restore previous firmware until i factory reset it.

Dr Mono · Feb 21, 2023

jplw said:
On my RT-AX30000v2, after more than a day, I started getting errors like this:

02/19 14:50:10 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (61:17236)#033[0m
02/19 14:50:11 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (0:17236)#033[0m
02/19 14:50:11 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (0:17236)#033[0m
02/19 14:50:11 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (0:17236)#033[0m
02/19 14:50:11 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (0:17236)#033[0m
02/19 14:50:11 R: kernel: #033[0;34m[NTC bpm] bpm_buf_expand: Could not allocate requested buffers (0:17236)#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 0#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 1#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 2#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 4#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 8#033[0m
02/19 14:50:12 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 16#033[0m
02/19 14:50:13 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 32#033[0m
02/19 14:50:13 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 64#033[0m
02/19 14:50:13 R: kernel: #033[0;34m[NTC bpm] bpm_alloc_mult_buf_ex: Failed to allocate 128 buffers; buf_fail_cnt = 128#033[0m

Sems like sa memory leak issue. After reboot it coulfd not send feedback nor restore previous firmware until i factory reset it.

1-2 days? That's not a leak, but a firehose!

ottofreud · May 6, 2023

cc666 said:
Kernel: netlink: 12 bytes leftover after parsing attributes in process `ip'.

I just set up an RT-AX82U for a friend with ASUS FW 3.0.0.4.388_22525. After about 24Hrs, the same messages started. They are in groups of 3 every 5 minutes. I really hope your crash is not imenent. Is there any setting that might be tweaked to make this go away?

L&LD · May 6, 2023

The fix is simple. Just stop looking at the logs.