CFT: vr(4)

Milan Obuch freebsd-current at dino.sk
Sat Feb 16 18:49:22 UTC 2008


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.

Milan

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