Re: uvm lockup in current

[Masao Uebayashi <uebayasi%gmail.com@localhost>]

I see this "flt_noram5" hang too, even after the emergva alignment fix
committed a few hours ago.

On Wed, Oct 5, 2011 at 8:24 PM, Tobias Nygren <tnn%netbsd.org@localhost> wrote:
> Hi,
>
> My -current laptop has so far froze up 3 times today with processes
> stuck in flt_noram5. This is reproducable by building misc/openoffice3
> with WRKOBJDIR on tmpfs. I have a top(1) on the console and according
> to that there's 1500MB of swap left. So, I think something is blocking
> the pagedaemon and the system can't make progress.
>
> pgdaemon seems to be blocked on "emergva", with this stack trace:
> sleepq_block()
> mtsleep()
> uvm_pagermapin()
> uvm_swap_io()
> swapcluster_flush()
> uvm_pageout()
>
> I'm currently in the ddb prompt and will be for the rest of the day
> if there's anything else I can check.
>
> Best,
> -Tobias
>