Re: [Unattended] Message Signaled Interrupts

2008-04-21 Thread Regis Gras
Nils Olav Fossum wrote:


ok, no doubt it is a bug in the network chain somewhere.

Contacting Dell should be the next step.
They have very good linux people.

Meanwhile I will suggest booting the 755's from CD,
a corrupted network chain can be a bit hazardous..

  

Booting from CD has exactly the same problem 
PC freezes; Ctrl C; cd /etc  ./master   works

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Re: [Unattended] Message Signaled Interrupts

2008-04-21 Thread Matt Hyclak
On Mon, Apr 21, 2008 at 09:48:59AM +0200, Regis Gras enlightened us:
 Nils Olav Fossum wrote:
 
 
 ok, no doubt it is a bug in the network chain somewhere.
 
 Contacting Dell should be the next step.
 They have very good linux people.
 
 Meanwhile I will suggest booting the 755's from CD,
 a corrupted network chain can be a bit hazardous..
 
   
 
 Booting from CD has exactly the same problem 
 PC freezes; Ctrl C; cd /etc  ./master   works

I really think this is one for Dell, then, since I don't seem to have any of
these problems. Possibly it's the network configuration on your switches
causing the problem?

Matt

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Department of Mathematics 
Department of Social Work
Ohio University
(740) 593-1263

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Re: [Unattended] Message Signaled Interrupts

2008-04-21 Thread Nyström Anders

 -Original Message-
 From: [EMAIL PROTECTED] 
 [mailto:[EMAIL PROTECTED] On 
 Behalf Of Matt Hyclak
 Sent: 21. huhtikuuta 2008 14:15
 To: unattended-info@lists.sourceforge.net
 Subject: Re: [Unattended] Message Signaled Interrupts
 
 On Mon, Apr 21, 2008 at 09:48:59AM +0200, Regis Gras enlightened us:
  Nils Olav Fossum wrote:
  
  
  ok, no doubt it is a bug in the network chain somewhere.
  
  Contacting Dell should be the next step.
  They have very good linux people.
  
  Meanwhile I will suggest booting the 755's from CD,
  a corrupted network chain can be a bit hazardous..
  

  
  Booting from CD has exactly the same problem 
  PC freezes; Ctrl C; cd /etc  ./master   works
 
 I really think this is one for Dell, then, since I don't seem 
 to have any of
 these problems. Possibly it's the network configuration on 
 your switches
 causing the problem?
 
 Matt
 

I have the same problem, e1000 hangs on both HP7800 and LenovoT60,
but ctrl+c, /etc/masters works fine

Anders

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Re: [Unattended] Message Signaled Interrupts

2008-04-17 Thread Regis Gras
Nils Olav Fossum wrote:


Ok, looks like the -t parameter did not work out...

As I am looking thru the kernel config, found this:

[ ] Message Signaled Interrupts (MSI and MSI-X) 

Its not enabled.
So, can one of you with this problem enable MSI (CONFIG_PCI_MSI) in the kernel 
and test if that will work?
  

I installed kernel-6-25-rc8 and modified .config with
CONFIG_PCI_MSI=y
(I modified too, misc/nail-floppy.txt)

Now, the message:

:00:19.0:eth0: Unaable to allocate MSI Interrupt Error=-1

disappears, but  always the Dell freezes after

Trying DHCP on eth0
udhcpc (V1.9.2) started

Régis

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Re: [Unattended] Message Signaled Interrupts

2008-04-17 Thread Nils Olav Fossum
Torsdag 17 april 2008 08:30, skrev Regis Gras:
 Nils Olav Fossum wrote:
 Ok, looks like the -t parameter did not work out...
 
 As I am looking thru the kernel config, found this:
 
 [ ] Message Signaled Interrupts (MSI and MSI-X)
 
 Its not enabled.
 So, can one of you with this problem enable MSI (CONFIG_PCI_MSI) in the
  kernel and test if that will work?

 I installed kernel-6-25-rc8 and modified .config with
 CONFIG_PCI_MSI=y
 (I modified too, misc/nail-floppy.txt)

 Now, the message:

 :00:19.0:eth0: Unaable to allocate MSI Interrupt Error=-1

 disappears, but  always the Dell freezes after

 Trying DHCP on eth0
 udhcpc (V1.9.2) started

ok, no doubt it is a bug in the network chain somewhere.

Contacting Dell should be the next step.
They have very good linux people.

Meanwhile I will suggest booting the 755's from CD,
a corrupted network chain can be a bit hazardous..

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Re: [Unattended] Message Signaled Interrupts

2008-04-16 Thread Matt Hyclak
On Wed, Apr 16, 2008 at 12:00:28PM +0200, Nils Olav Fossum enlightened us:
 Onsdag 16 april 2008 09:59, skrev Juan Jose Pablos:
  Regis Gras escribió:
   Unfortunately, that does'nt work.
  
   The last messages are always:
  
   Trying DHCP on eth0
   udhcpc (V1.9.2) started
   :00:19.0:eth0: Unaable to allocate MSI Interrupt Error=-1
   Sending discover
   Sending discover-two times-   I restarted 3 times the boot PXE and I
   do'nt see Sending discover two times.
 
  The reason that we added the retries parameter was to allow this command
  to comeback without user intervention. well, it seems like there is a
  problem possibly on the network driver.
 
 Ok, looks like the -t parameter did not work out...
 
 As I am looking thru the kernel config, found this:
 
 [ ] Message Signaled Interrupts (MSI and MSI-X) 
 
 Its not enabled.
 So, can one of you with this problem enable MSI (CONFIG_PCI_MSI) in the 
 kernel 
 and test if that will work?
 
 Browsing thru the kernel doc:
 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/MSI-HOWTO.txt;hb=HEAD
 
 Im not sure if there are downsides if we enable this as default..
 Use of PCI MSI interrupts can be disabled at kernel boot time
   
 by using the 'pci=nomsi' option.  This disables MSI for the   
  
 entire system.
 
 Soh, we have alternative options to use...
 
 
 Im compiling this into my kernel here now to give it som testing, 
 but I do not have the MSI problem and I do not have a Dell Opti 755 :-)
 

FWIW, I get the sae MSI message on my Dell Opti 755's, but other than one
maybe 2 minute delay on 1 of 8 machines, they all have worked flawlessly. I
think the difference is I'm booting from CD and those with problems have
been PXE booting. It could well be a BIOS/Firmware problem with the 755's
PXE stack that we're seeing and no amount of tweaking is going to solve it.

It might be worth testing other bootable linux stacks which use dhcp to get
an address and see if those have the same issues.

Matt

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Matt Hyclak
Department of Mathematics 
Department of Social Work
Ohio University
(740) 593-1263

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