Re: [gentoo-user] shutdown now hangs on Saving random seed...

2005-04-27 Thread Jason Cooper
Colin ([EMAIL PROTECTED]) scribbled:
 Whenever I type in shutdown now, the kernel enters runlevel 1 and
 starts to shut down.  All of these [ ok ] just fine:
 
 * Stopping local...
 * Stopping fcron...
 * Unmounting network filesystems...
 * Stopping syslog-ng...
 * Syncing hardware clock to system clock [Local Time]...
 * Bringing eth0 down...
 *Removing inet6 addresses...
 *eth0 inet6 del fe80::20e:2eff:fe0c:6041/64...
 *Stopping eth0...
 * Bringing lo down...
 
 But it just hangs on this one:
 
 * Saving random seed...
 
 I can Ctrl-C my way out of it and continue to work in Gentoo, but a
 software shutdown isn't possible.  I just reboot, enter the BIOS and
 hold the switch.  What can I do about this little bug?  And is there
 even any purpose in loading and saving a random seed when random
 numbers are (AFAIK) seeded by the timer?

Have you enabled apm or acpi in your kernel?  

Cooper.
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Re: [gentoo-user] shutdown now hangs on Saving random seed...

2005-04-27 Thread The Disguised Jedi
 On 4/27/05, Jason Cooper [EMAIL PROTECTED] wrote:   Colin ([EMAIL PROTECTED]
) scribbled:   Whenever I type in shutdown now, the kernel enters runlevel 1 and   starts to shut down.All of these [ ok ] just fine: * Stopping local...
   * Stopping fcron...   * Unmounting network filesystems...   * Stopping syslog-ng...   * Syncing hardware clock to system clock [Local Time]...   * Bringing eth0 down...
   *Removing inet6 addresses...   *eth0 inet6 del fe80::20e:2eff:fe0c:6041/64...   *Stopping eth0...   * Bringing lo down...  
   But it just hangs on this one: * Saving random seed...   I am wondering if it isn't the random number generator that is causing the problem. Is ACPI and/or APM configured properly in your kernel? Did you recently add these? I think the problem is that the kernel is trying to signal shutdown on the machine, but it isn't configured right.
 I can Ctrl-C my way out of it and continue to work in Gentoo, but a software shutdown isn't possible.I just reboot, enter the BIOS and hold the switch.What can I do about this little bug?And is there
 even any purpose in loading and saving a random seed when random numbers are (AFAIK) seeded by the timer?Check your ACPI and/or APM configuration. The thing that is bugging me here is that you can get out of it, which makes me think thatACPI is signaling the power supply to switch off, but itdoesn't. Try reboot to see if thatworks. I had a problem where my machine wouldn't power off, but it would reboot, and it was just akernel configuration problem.


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Re: [gentoo-user] shutdown now hangs on Saving random seed...

2005-04-27 Thread Jason Cooper
The Disguised Jedi ([EMAIL PROTECTED]) scribbled:
  On 4/27/05, Jason Cooper [EMAIL PROTECTED] wrote: 
   Colin ([EMAIL PROTECTED]) scribbled:
Whenever I type in shutdown now, the kernel enters runlevel 1 and
starts to shut down. All of these [ ok ] just fine:
   
* Stopping local...
* Stopping fcron...
* Unmounting network filesystems...
* Stopping syslog-ng...
* Syncing hardware clock to system clock [Local Time]...
* Bringing eth0 down...
* Removing inet6 addresses...
* eth0 inet6 del fe80::20e:2eff:fe0c:6041/64...
* Stopping eth0...
* Bringing lo down...
   
But it just hangs on this one:
   
* Saving random seed...
   
  I am wondering if it isn't the random number generator that is causing the 
 problem. Is ACPI and/or APM configured properly in your kernel? Did you 
 recently add these? I think the problem is that the kernel is trying to 
 signal shutdown on the machine, but it isn't configured right.
 
  I can Ctrl-C my way out of it and continue to work in Gentoo, but a
  software shutdown isn't possible. I just reboot, enter the BIOS and
  hold the switch. What can I do about this little bug? And is there
  even any purpose in loading and saving a random seed when random
  numbers are (AFAIK) seeded by the timer?
 Check your ACPI and/or APM configuration. The thing that is bugging me here 
 is that you can get out of it, which makes me think that ACPI is signaling 
 the power supply to switch off, but it doesn't. Try reboot to see if that 
 works. I had a problem where my machine wouldn't power off, but it would 
 reboot, and it was just a kernel configuration problem.
  HTH, 
 
 -- 
 The Disguised Jedi
 [EMAIL PROTECTED]

Please be more careful with your quoting.  What I wrote isn't in there,
yet you have attribution to me at the top.  Also, your word-wrapping
appears to be borked.  

cooper
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Re: [gentoo-user] shutdown now hangs on Saving random seed...

2005-04-27 Thread Colin
On 4/27/05, The Disguised Jedi [EMAIL PROTECTED] wrote:
  On 4/27/05, Jason Cooper [EMAIL PROTECTED] wrote: 
   Colin ([EMAIL PROTECTED] ) scribbled:
Whenever I type in shutdown now, the kernel enters runlevel 1 and
starts to shut down.  All of these [ ok ] just fine:
   
* Stopping local... 
* Stopping fcron...
* Unmounting network filesystems...
* Stopping syslog-ng...
* Syncing hardware clock to system clock [Local Time]...
* Bringing eth0 down... 
*Removing inet6 addresses...
*eth0 inet6 del fe80::20e:2eff:fe0c:6041/64...
*Stopping eth0...
* Bringing lo down...

But it just hangs on this one:
   
* Saving random seed...
   
  I am wondering if it isn't the random number generator that is causing the
 problem.  Is ACPI and/or APM configured properly in your kernel?  Did you
 recently add these?  I think the problem is that the kernel is trying to
 signal shutdown on the machine, but it isn't configured right. 

ACPI is compiled in and enabled in the BIOS.  I don't have APM, so I
don't have support for that.  My USE flags include acpi -apm

  I can Ctrl-C my way out of it and continue to work in Gentoo, but a
  software shutdown isn't possible.  I just reboot, enter the BIOS and
  hold the switch.  What can I do about this little bug?  And is there 
  even any purpose in loading and saving a random seed when random
  numbers are (AFAIK) seeded by the timer?
 Check your ACPI and/or APM configuration.  The thing that is bugging me here
 is that you can get out of it, which makes me think that ACPI is signaling
 the power supply to switch off, but it doesn't.  Try reboot to see if that
 works.  I had a problem where my machine wouldn't power off, but it would
 reboot, and it was just a kernel configuration problem. 

I doubt that, since when it reboots, there are more steps, ending with
unmounting the filesystems and remounting them read-only.  The power
supply does switch off;  I briefly installed WinXP SP2 to test the
hardware and make sure everything worked, and there were no problems.
--
Colin

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Re: [gentoo-user] shutdown now hangs on Saving random seed...

2005-04-26 Thread Willie Wong
On Wed, Apr 27, 2005 at 01:22:25AM -0400, Colin wrote:
 But it just hangs on this one:
 
 * Saving random seed...
 
 I can Ctrl-C my way out of it and continue to work in Gentoo, but a
 software shutdown isn't possible.  I just reboot, enter the BIOS and
 hold the switch.  What can I do about this little bug?  And is there
 even any purpose in loading and saving a random seed when random
 numbers are (AFAIK) seeded by the timer?

man urandom:

   The  random  number  generator  gathers environmental noise from device
   drivers and other sources into an entropy  pool.   The  generator  also
   keeps  an  estimate of the number of bits of noise in the entropy pool.
   From this entropy pool random numbers are created.

...

   When a Linux system starts up without much  operator  interaction,  the
   entropy  pool  may  be in a fairly predictable state.  This reduces the
   actual amount of noise in the entropy  pool  below  the  estimate.   In
   order  to counteract this effect, it helps to carry entropy pool infor-
   mation across shut-downs and start-ups. 


I guess you can remove urandom from boot runlevel
 # rc-update del urandom 
or, you can try to troubleshoot the problem (=

The shutdown section of /etc/init.d/urandom is pretty much one line on 
my system:

dd if=/dev/urandom of=/var/run/random-seed count=1  /dev/null

You can try seeing what's wrong with that...

W
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