Re: bpvo pool exhausted
Cameron Berkenpas <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.ppc |
|---|---|
| Message-ID | <[email protected]> |
Thank you for the explanation. I suspect this will fix the issue! On 9/28/2022 5:31 AM, Alfredo Dal'Ava Júnior wrote: > Cameron, > > This is a boot-only option that can't be tuned by sysctl. You really > need to set it in the loader prompt if just testing or add the > following to /boot/loader.conf to make it permanent: > > machdep.moea64_bpvo_pool_size=655360 > > This option is not new but before 13.0-RELEASE there was a bug > preventing users from setting a value larger than the default > (327680). This was fixed by change > https://cgit.freebsd.org/src/commit/?id=95a8fce118b24c0a7656f4ded4690210d9998e24. > > > []'s, > Alfredo > > On Wed, Sep 28, 2022 at 12:13 AM Cameron Berkenpas <[email protected]> > wrote: > > Hello, > > I do not have a way to consistently reproduce this. I was finally > able to get through recompiling all of the installed ports before > I was able to test this. > > Should this show up via sysctl? Because it does not: > sysctl machdep.moea64_bpvo_pool_size > sysctl: unknown oid 'machdep.moea64_bpvo_pool_size' > > Should I be able to set this in /boot/loader.conf? > > I did try setting it at boot. I'm not sure it did anything though. > Nothing in dmesg. > > The VM has 12 threads and 16GB of memory running 13.1-RELEASE-p2. > > Maybe this is a new option in CURRENT? > > On 9/27/22 11:54, Alfredo Dal'Ava Júnior wrote: >> >> Hi Cameron, >> >> In the loader prompt I type: >> >> set machdep.moea64_bpvo_pool_size=655360 >> boot >> >> How are you testing it? What's the FreeBSD version and how much >> memory do you have on it? As reference I tested it on VMs with >> 64GB of RAM in the past. >> >> []'s >> Alfredo >> >> On Tue, Sep 27, 2022 at 2:41 PM Cameron Berkenpas >> <[email protected]> wrote: >> >> Hello, >> >> When recompiling my ports, I started getting periodic crashes >> on a VM >> running on POWER9. >> >> "bpvo pool exhausted". >> >> The message says to try setting >> machdep.moea64_allocated_bpvo_entries, >> but this is apparently read-only. I've attached a screenshot >> of the >> stacktrace. >> >