On Wed, May 04, 2022 at 05:58:14PM +0200, Martin Pieuchot wrote:
> I don't understand the mechanism around UVM_VNODE_CANPERSIST. I looked
> for missing uvm_vnp_uncache() and found the following two. I doubt
> those are the one triggering the bug because they are in NFS & softdep.
It crashes
> Date: Wed, 4 May 2022 17:58:14 +0200
> From: Martin Pieuchot
>
> On 04/05/22(Wed) 09:16, Sebastien Marie wrote:
> > [...]
> > we don't have any vclean label ("vclean (inactive)" or "vclean (active)"),
> > so
> > vclean() was not called in this timeframe.
>
> So we are narrowing down the
On 04/05/22(Wed) 09:16, Sebastien Marie wrote:
> [...]
> we don't have any vclean label ("vclean (inactive)" or "vclean (active)"), so
> vclean() was not called in this timeframe.
So we are narrowing down the issue:
1. A file is opened
2. Then mmaped
3. Some of its pages are swapped to disk
4.
On Tue, May 03, 2022 at 07:52:16PM +0200, Alexander Bluhm wrote:
> On Mon, May 02, 2022 at 06:53:08AM +0200, Sebastien Marie wrote:
> > New diff, with new iteration on vnode_history_*() functions. I added a
> > label in
> > the record function. I also changed when showing the stacktrace. powerpc
