Re: CFT: vr(4)

On Sat, Feb 16, 2008 at 07:49:01PM +0100, Milan Obuch wrote:
 > On Monday 11 February 2008, Pyun YongHyeon wrote:
 > > On Tue, Feb 05, 2008 at 03:40:01PM +0100, Milan Obuch wrote:
 > >  > On Monday 04 February 2008, Pyun YongHyeon wrote:
 > 
 > [snip]
 > 
 > >  >
 > >  > Hi,
 > >  >
 > >  > did anybody test Routerboard 44? It is quad network card, uses VT6105M
 > >  > chips as network controller (Via) and PCI6152 as PCI-PCI bridge (PLX
 > >  > Technology). With both stock if_vr and modified from site given above it
 > >  > partially works - interfaces are created, ifconfig works, but even
 > >  > pinging some host in local network (I achieve the effect with ping -f in
 > >  > a minue or so) hangs system. Nothing on my console, nothing in system
 > >  > log. Only hard powerdown restores system in functioning state.
 > >  >
 > >  > I tested it with stock vr driver in both 6 and 7 stable on both i386 and
 > >  > amd64, and now with overhauled vr in 8 freshly cvsupped and two files
 > >  > replaced on i386.
 > >  >
 > >  > If anybody has any idea or some patches I could test, I will.
 > >
 > > I have tested 4-port Rhine III(6105LOM) and I never seen this hangs.
 > > Does this also happen on other network interface too?
 > > When the system hangs, would you break into DDB and show me
 > > the output of 'show alllocks' and 'ps'?
 > >
 > 
 > I need some tests with another box. I was not able to break into DDB. 
 > Ctrl-Alt-Esc worked until hang. Hang was really hard, Ctrl-Alt-Esc did not 
 > invoke DDB. I do not feel if_vr is culprit here, more probably PCI bus got 
 > somehow locked, but I have no idea how could I test it currently.
 > 

Serial console may work better for this situation. In order to rule
out vr(4) you may have to try another network card on your box.

-- 
Regards,
Pyun YongHyeon