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Re: FS corruption because of bufio_cache pool depletion?
> raid1: IO failed after 5 retries.
> Does that ring a bell with anyone?
> Greg Oster suggested to prime the bufcache_pool and see what the effect is.
He suggested something similar to me when I had that strange problem of
RAIDframe failing without a device failure.
He also analysed my problem as follows:
> To make a long story short, rf_CreateDiskQueueData() is being called
> with PR_NOWAIT, and so if it is unable to get items from the pools
> what happens then is that something like this gets called:
> (node->wakeFunc) (node, ENOMEM);
> which ends up eventually marking the request as 'bad' and counts it
> as one IO try. If after 5 tries in total it can't get the memory it
> needs, it returns EIO. Where you hit the panics is that some things
> (softdeps) don't deal well with EIO on critical blocks :-}
> So now to figure out how to fix the problem....
Any news about that?
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