[OpenAFS] Re: [OpenAFS-devel] series of 1.4.2 fileserver crashes in rxi_FreeDataBufsTSFPQ (rx_packet.c)

[Jeffrey Altman]

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Rainer Toebbicke wrote:
> We're having a series of fileserver crashes in rxi_FreeDataBufsTSFPQ,
> about one a day, on a particular server running 1.4.2.
> 
> I looked at 6 dumps, the traceback is not always the same, but so far
> the common clue is that call->conn->peer->host points to old afs 3.4
> clients!
> 
> Never noticed this on 1.4.1, so a recent change might be responsible.
> There have been a few deltas in rx, one dealing with congestion?!
> 
> Obviously I'll dig further into this, but as this is getting really ugly
> now any quick idea is welcome (hence double-post, sorry!). Downgrading
> to 1.4.1 has other ill-effects and is therefore only last resort should
> identifying the volume(s) involved and moving them to an old server fail.

Do you have any file server logs you can share?

I'm interested in the interactions with the 3.4 clients.

Did you save the tracebacks?  Can you put them somewhere we can see them?

Jeffrey Altman



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