Date: Fri, 21 Jul 2017 19:01:08 -0400 From: Zaphod Beeblebrox <zbeeble@gmail.com> To: "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org> Subject: Re: Bhyve Broken: whose fault (AMD, FreeBSD, ZFS ...?) Message-ID: <CACpH0Md4Dxq9jOSrzs9N7PbEG9F5mAsYaTjz3s%2BOfKCFkDQ2%2BQ@mail.gmail.com> In-Reply-To: <CACpH0MeozpUFakVg9z68hwyT9Ewx3sn1P6KorgzHPvoH7kcFdg@mail.gmail.com> References: <CACpH0MewKeeif2egxD=hjwiXYa5tNV0ACTz6PrM=%2BZ3=7Nfryg@mail.gmail.com> <CACpH0MeozpUFakVg9z68hwyT9Ewx3sn1P6KorgzHPvoH7kcFdg@mail.gmail.com>
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oh ... and ... the console spit out: swap_pager: indefinite wait buffer: bufobj: 0, blkno: 4522, size: 8192 (swap is on a separate zVol). On Fri, Jul 21, 2017 at 6:59 PM, Zaphod Beeblebrox <zbeeble@gmail.com> wrote: > ... curiously, top running on the guest reveals (the point at which the > bhyve wedges): > > 88722 root 1 52 0 109M 105M pfault 3 0:03 42.37% > llvm-tblgen > 88687 root 1 52 0 374M 347M pfault 2 0:04 38.24% > llvm-tblgen > 88668 root 1 52 0 236M 225M pfault 0 0:04 35.11% > llvm-tblgen > 88743 root 1 52 0 55460K 26392K pfault 3 0:00 10.23% cc > > ... where top on the host just shows 100% bhyve 100% busy on 4 threads. > > > On Fri, Jul 21, 2017 at 6:43 PM, Zaphod Beeblebrox <zbeeble@gmail.com> > wrote: > >> Since I found out that I can't run a Samba directory server in a jail, >> I've had the setup of a bhyve on my list. I had toyed with Bhyve 6 or 8 >> months ago, and still had the images, so I zfs cloned one and set about a >> source upgrade. >> >> This ignomineously hung. >> >> So... I upgraded the host to 11.1-RC3, and I reinstalled a fresh guest >> from the 11.1-RC3 install CD. The guest uses UFS2 on a 40G disk, the >> server is an AMD 9590 with 32G RAM and a 40T ZFS array. >> >> After installation, I started the guest again with 1G ram, 4 processors >> (of the 8 on the source CPU) and tried a buildworld again. This time the >> guest crashed and rebooted. >> >> What should be next steps here? This is repeatable. The host is stable >> (it can makeworld -j32 in about 25 minutes ... so it's hardware seems >> good). Is this an AMD bug? Is it bad to use ZFS ZVols? >> > >
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