> On 9 May 2019, at 13:00, [email protected] wrote:
>
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> Today's Topics:
>
> 1. [Bug 237636] bhyve guest ZFS filesystem freezes in
> zcw->zcw_cv state ([email protected])
> 2. [maybe OT] Strange behaviour when connecting to serial port
> of a FreeBSD inside a VM (Joachim Durchholz)
> 3. [Bug 231117] bhyve: I/O lockups inside guests
> ([email protected])
> 4. [Bug 231117] bhyve: I/O lockups inside guests
> ([email protected])
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 09 May 2019 01:53:57 +0000
> From: [email protected]
> To: [email protected]
> Subject: [Bug 237636] bhyve guest ZFS filesystem freezes in
> zcw->zcw_cv state
> Message-ID:
> <[email protected]/bugzilla/>
> Content-Type: text/plain; charset="UTF-8"
>
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237636
>
> Mark Linimon <[email protected]> changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> Assignee|[email protected] |[email protected]
>
> --
> You are receiving this mail because:
> You are the assignee for the bug.
>
> ------------------------------
>
> Message: 2
> Date: Thu, 9 May 2019 08:52:42 +0200
> From: Joachim Durchholz <[email protected]>
> To: [email protected]
> Subject: [maybe OT] Strange behaviour when connecting to serial port
> of a FreeBSD inside a VM
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> Sorry if this off-topic, please direct me to the correct list.
>
> I have FreeBSD running inside a VirtualBox VM, and while FreeBSD boots
> and works fine and I could successfully hook up a host's domain socket,
> I don't see output on the socket.
> SOMETHING is working: Some boot messages are redirected, though to a
> place that I do not see.
>
> I have a shell script that recreates the entire situation from scratch,
> I can describe everything in excruciating detail - where do I start?
>
> Regards,
> Jo
>
>
> ------------------------------
>
> Message: 3
> Date: Thu, 09 May 2019 07:31:01 +0000
> From: [email protected]
> To: [email protected]
> Subject: [Bug 231117] bhyve: I/O lockups inside guests
> Message-ID:
> <[email protected]/bugzilla/>
> Content-Type: text/plain; charset="UTF-8"
>
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231117
>
> --- Comment #24 from Mateusz Kwiatkowski <[email protected]> ---
> (In reply to Rodney W. Grimes from comment #23)
>
> Rodney, many thanks for your engagement in this matter. It seems that you were
> right suspecting that arc_max is the culprit. After reducing its size virtual
> machines are working stable for over a day. So, instead of stability issue
> this
> was more like user experience issue. As you see we both were tricked by top(1)
> output which looked fine and didn't indicate problem. Is it possible to have a
> notice printed in dmesg that happens (as we have for other kernel limits)?
>
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> ------------------------------
>
> Message: 4
> Date: Thu, 09 May 2019 09:58:01 +0000
> From: [email protected]
> To: [email protected]
> Subject: [Bug 231117] bhyve: I/O lockups inside guests
> Message-ID:
> <[email protected]/bugzilla/>
> Content-Type: text/plain; charset="UTF-8"
>
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231117
>
> --- Comment #25 from Mateusz Kwiatkowski <[email protected]> ---
> (In reply to Mateusz Kwiatkowski from comment #24)
> I'm afraid I celebrated too soon. I/O in VM locked up - it just took more
> time.
>
> Memory stats:
> Mem: 3846M Active, 4806M Inact, 26G Wired, 27G Free
> ARC: 7755M Total, 2419M MFU, 4208M MRU, 14M Anon, 478M Header, 635M Other
> 6145M Compressed, 10G Uncompressed, 1.68:1 Ratio
>
> I'll now test patch with virtio barriers.
>
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> You are receiving this mail because:
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> ------------------------------
>
> Subject: Digest Footer
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> ------------------------------
>
> End of freebsd-virtualization Digest, Vol 441, Issue 4
> ******************************************************
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