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Date: Mon, 15 Apr 2019 00:45:27 +0200
From: Adam Zabrocki <pi3@....com.pl>
To: lkrg-users@...ts.openwall.com
Subject: Re: LKRG is freezing whole software on server installed.
I understand but:
- Do you have the same problem with log_level=0 ?
- If kernel boots (without LKRG) and you load LKRG on already running system
with log_level=3, do you see the same problem?
- Log file which you've provided is not full kernel log, can you provide full
one (e.g. there is no LKRG initialization in that log).
- Can you try to repro the same issue with log_level=5 (boot kernel a few
times until it repro)?
Thanks,
Adam
On Mon, Apr 15, 2019 at 12:30:53AM +0200, bryn1u85 wrote:
> When i boot with log_level = 3 the problem shows up. When i change it in
> systemd service on log_level = 5, everything looks good, server is working
> and doesn't freeze but im still getting some weird messages in dmesg. I put
> log with lkrg log_level boot server.
>
> Here is the file.
> https://uploadfile.pl/pokaz/1707865---oxoo.html
>
> pon., 15 kwi 2019 o 00:00 Adam Zabrocki <pi3@....com.pl> napisał(a):
>
> > It looks like you have some non-standard kernel. Anyway, can you provide
> > full
> > kernel log during initalization with log_level=5 and trying to repro the
> > problem when log_level=5 ?
> > Do you have the same problem with log_level=0 ?
> > If kernel boots, and you load LKRG on already running system with
> > log_level=3,
> > do you see the same problem?
> >
> > Thanks,
> > Adam
> >
> > On Sun, Apr 14, 2019 at 01:17:24PM +0200, bryn1u85 wrote:
> > > Hey Adam,
> > >
> > > The system is working with the same configuration without any problem
> > when
> > > LKRG is disabled. I checked it few times before you wrote. But when i
> > > changed init log level from 3 to 5 and enabled LKRG seems to work well.
> > Im
> > > using kernel-5.0.7 with few KSPP modification. I put it in link below:
> > >
> > > https://uploadfiles.io/5szi9ro2
> > >
> > > niedz., 14 kwi 2019 o 04:49 Adam Zabrocki <pi3@....com.pl> napisał(a):
> > >
> > > > Can you confirm that this system with the same configuration boots
> > without
> > > > any
> > > > problem when LKRG is disabled?
> > > >
> > > > If yes, can you change script to load LKRG with log_level=5 instead of
> > 3?
> > > > Edit lkrg.service file and replace following line:
> > > >
> > > > - ExecStartPre=/sbin/modprobe p_lkrg p_init_log_level=3
> > > > + ExecStartPre=/sbin/modprobe p_lkrg p_init_log_level=5
> > > >
> > > > Also, what kernel do you use (exact version), is it custom compilation?
> > > > How
> > > > much RAM do you have and what CPU model is there? Does it support SMEP?
> > > >
> > > > From the logs it looks like LKRG didn't finish initialization but you
> > have
> > > > some
> > > > crashes in user-mode not in the kernel.
> > > >
> > > > Thanks,
> > > > Adam
> > > >
> > > > On Sun, Apr 14, 2019 at 12:35:37AM +0200, bryn1u85 wrote:
> > > > > Hey,
> > > > >
> > > > > Im still getting some "false postivie" or i dont understand
> > something. I
> > > > > used a few hosting panels like CWPCentos Pro, Cpanel and now
> > ISPManager.
> > > > > When i load lkrg as a systemd service after reboot my server is
> > freeze.
> > > > > Network is disabled i can't event turn it on, can't use any other
> > > > software,
> > > > > can't even reboot a server. I put a few attachment screens from
> > dmesg.
> > > > > Thanks for some help. :)
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > pi3 (pi3ki31ny) - pi3 (at) itsec pl
> > > > http://pi3.com.pl
> > > >
> >
> > --
> > pi3 (pi3ki31ny) - pi3 (at) itsec pl
> > http://pi3.com.pl
> >
--
pi3 (pi3ki31ny) - pi3 (at) itsec pl
http://pi3.com.pl
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