how do I find out what's hanging me up?
southernprince73 at gmail.com
Sat Jul 2 17:18:43 UTC 2016
I don't really know how old the machine is. It was given to me. I'll check those logs and see what I find out.
Registered Linux user number 600552
Sent from sonar using alpine 2.20.13
On Sat, 2 Jul 2016, Tony Baechler wrote:
> On 7/2/2016 1:54 AM, Mark Peveto wrote:
> > The short version of a long story. I've just installed sonar on a dell pc.
> > I've also got it installed on a compaq/hp machine, where the followig
> > problem doesn't exist. On the dell, sudo reboot seems to hang. Sudo
> > shutdown works fine. I've tried sudo shutdown -r now, sudo systemctl
> > reboot, and
> > other options. How, without sighted help, can I find out what's causing
> > this machine to hang when I reboot. What's strange is this...why does it
> > shut
> > down just fine, but not reboot?
> I'm not familiar with Sonar, so consider these random guesses. First, have you
> looked in /var/log/syslog and kern.log? There might be a process not shutting
> down properly. If you halt the system, all processes are killed and all
> filesystems are unmounted. A reboot only resets the system, so I suppose it's
> possible that a process is behaving badly or the kernel can't unmount a
> filesystem. I see this sometimes with slow USB devices, like if I copy a ton
> of files to my SD card. A more likely explanation is an ACPI or power
> management issue. You didn't say how old the machines are, but it could be a
> BIOS bug. Recent kernels should work around this. Without knowing the age of
> the machine and the kernel version, I can only guess.
> Also, the machine isn't a laptop, right? Laptops usually have power management
> issues. On Debian, there is a package called acpi-tools. Try installing it if
> it isn't there or purging it if it's there. I have better luck without it
> installed. I would bet syslog and kern.log would have clues to your problem. I
> would check those first. Make note of the time you reboot the machine and look
> at those files with less. You could try booting a live CD to avoid adding all
> of the boot messages to the logs. You didn't say if that happens on a live CD,
> booting from the hard drive, other distros, etc. I''ve noticed most live CDs
> have strange shutdown problems. You might have to pass a parameter on the
> kernel command line. Both HP and Dell have issues with Linux.
> Tony Baechler, founder, Baechler Access Technology Services
> Putting accessibility at the forefront of technology
> mailto:bats at batsupport.com
> Phone: 1-619-746-8310 SMS text: 1-619-375-2545
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