On 2020.10.26 20:08, Luis Bandarra wrote:
On Monday, October 26th, 2020 at 12:59 PM, Stefan Sperling <[email protected]> 
wrote:

On Sun, Oct 25, 2020 at 09:02:35PM +0000, [email protected] wrote:

> > Synopsis: Panic when writing with nvim C program to use sockets
> >
> > Category: user amd64
> >
> > Environment:
> >
> > System : OpenBSD 6.8
> >
> > Details : OpenBSD 6.8 (GENERIC.MP) #98: Sun Oct 4 18:13:26 MDT 2020
> >
> > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>
> Architecture: OpenBSD.amd64
>
> Machine : amd64
>
> > Description:
> >
> > When writing a small program with nvim, with the purpose of using socket I 
receive
> >
> > a crash, with the message:
> >
> > panic: pool_do_get: mcl4k free list modified: page 0xfffffd8088400000; item 
addr 0xfffffd8088400000;
> >
> > offset 0x0=0xbf74e7e4963cf534 != 0xc0df0a8bf8c9db23
> >
> > After force turn off with power button and boot, there was no crash core 
dump info.
> >
> > How-To-Repeat:
> >
> > Didn't happen again, but I was using nvim to write a C program, where you 
set a socket for ip, compile and run (just started).
> >
> > Fix:
> >
> > Don't know.

It is quite possible that this 4K mbuf was in use by iwm(4).

If you find a way to reproduce this reliably or semi-reliably, I would

like to know how.

Okay, I try reproduce it doing the same thing I was doing but didnt happen. If 
could be related to iwm, I can report that since updating to 6.8 the wireless 
connection and getting the network settings is taking really long (could be up 
to 5 minutes, after joinning access point).

Also, after reading FAQ, I added a trunk0 to use iwm0 or em0.

Can I supply you with more info?

Thank you.

Bandarra

Hi, it happen again, but cant find crash info on /var/crash or anything.

This time it happened after I hibernate the pc and turning it on again.
I have ethernet cable on and wifi was connected.

After update to 6.8, I follow the FAQ Networking to use setup "Trunking
Your Wireless Adapter". Also noteworth is that after update, connection
to wifi only it takes 5 minutes (at least) on boot and sometimes after
wake up for hibernate it doesn't connect to wifi or takes a lot of time.

Content of /etc/hostname.em0
up

Content of /etc/hostname.iwm0
join Homestudio-5G wpa wpakey <key> join Homestudio wpa wpakey <key>
join sylvesterzy wpa wpakey <key>
join MEO-Wifi
join ADENE wpa wpakey <key>
up

Content of /etc/hostname.trunk0
trunkproto failover trunkport iwm0
trunkport em0
dhcp

Thanks


--

Luis Bandarra

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