On Sun, Jan 28, 2018 at 07:27:49AM +0100, Sebastien Marie wrote:
> Hi,
>
> I recently installed latest -current snapshot of arm64 using
> qemu-system-aarch64 -M virt.
>
> $ doas what /bsd
> /bsd
> OpenBSD 6.2-current (GENERIC) #160: Wed Jan 24 18:26:59 MST 2018
>
> But the system is relatively unstable due to random segfaults/abort on
> almost any userland program (triggered on: sshd, smtpd, tmux, ksh,
> clang, make, perl, rsync, ...)
>
> Error types are:
> - Segfaults
> # rcctl ls failed
> Segmentation fault (core dumped)
>
> - Some are abort from libc:
> $ cc ...
> cc(19957) in free(): use after free 0x127e4b2f60
> Abort trap
>
> (during boot)
> kvm_mkdb(90892) in free(): bogus pointer (double free?)
> 0xffffffffffffffff
>
> - Random ssh connect problems (could be sshd segfault):
> amd64$ ssh qaarch64
> ssh_dispatch_run_fatal: Connection to 192.168.92.18 port 4422:
> incorrect signature
> amd64$ ssh qaarch64
> ssh_exchange_identification: Connection closed by remote host
>
> - Things that looks like memory corruption ?
> $ doas rcctl enable accounting
> /usr/sbin/rcctl: 89{m_base_accounting}: not found
> /usr/sbin/rcctl[613]: YEL
> : bad number
>
> $ cc ...
> cc: error: no such file or directory: '႕G'-hB/src/lib/libc'
>
> (and re-running the command make it works)
>
> - memory related kernel messages:
> uvn_flush: obj=0x0, offset=0x10056b000. error during pageout.
> uvn_flush: WARNING: changes to page may be lost!
>
> (note: the system showed a serie of such message with changed
> offset, and next was usable. In doubt, I rebooted)
>
>
> Does the snapshot has know problem ? or it should be problem inside
> qemu ?
>
> Due to the ubiquious nature of the problem, it seems to me it could be
> inside:
> - qemu
> - kernel
> - libc
>
> dmesg below (I disabled psci to avoid a panic at boot - jsg@ has
> provided a proper bug report).
While some libc malloc changed were comitted, this *feels* more like a
general memory problem.
-Otto
>
> Thanks.
> --
> Sebastien Marie
>
> OpenBSD 6.2-current (GENERIC) #160: Wed Jan 24 18:26:59 MST 2018
> [email protected]:/usr/src/sys/arch/arm64/compile/GENERIC
> real mem = 2091143168 (1994MB)
> avail mem = 2002989056 (1910MB)
> User Kernel Config
> UKC> disable psci
> 141 psci* disabled
> UKC> exit
> Continuing...
> mainbus0 at root: unknown model
> cpu0 at mainbus0: ARM Cortex-A57 r1p0
> efi0 at mainbus0: UEFI 2.6
> efi0: EDK II rev 0x10000
> simplebus0 at mainbus0: "platform"
> virtio0 at mainbus0: Virtio Unknown (0) Device
> virtio1 at mainbus0: Virtio Unknown (0) Device
> virtio2 at mainbus0: Virtio Unknown (0) Device
> virtio3 at mainbus0: Virtio Unknown (0) Device
> virtio4 at mainbus0: Virtio Unknown (0) Device
> virtio5 at mainbus0: Virtio Unknown (0) Device
> virtio6 at mainbus0: Virtio Unknown (0) Device
> virtio7 at mainbus0: Virtio Unknown (0) Device
> virtio8 at mainbus0: Virtio Unknown (0) Device
> virtio9 at mainbus0: Virtio Unknown (0) Device
> virtio10 at mainbus0: Virtio Unknown (0) Device
> virtio11 at mainbus0: Virtio Unknown (0) Device
> virtio12 at mainbus0: Virtio Unknown (0) Device
> virtio13 at mainbus0: Virtio Unknown (0) Device
> virtio14 at mainbus0: Virtio Unknown (0) Device
> virtio15 at mainbus0: Virtio Unknown (0) Device
> virtio16 at mainbus0: Virtio Unknown (0) Device
> virtio17 at mainbus0: Virtio Unknown (0) Device
> virtio18 at mainbus0: Virtio Unknown (0) Device
> virtio19 at mainbus0: Virtio Unknown (0) Device
> virtio20 at mainbus0: Virtio Unknown (0) Device
> virtio21 at mainbus0: Virtio Unknown (0) Device
> virtio22 at mainbus0: Virtio Unknown (0) Device
> virtio23 at mainbus0: Virtio Unknown (0) Device
> virtio24 at mainbus0: Virtio Unknown (0) Device
> virtio25 at mainbus0: Virtio Unknown (0) Device
> virtio26 at mainbus0: Virtio Unknown (0) Device
> virtio27 at mainbus0: Virtio Unknown (0) Device
> virtio28 at mainbus0: Virtio Unknown (0) Device
> virtio29 at mainbus0: Virtio Unknown (0) Device
> virtio30 at mainbus0: Virtio Block Device
> vioblk0 at virtio30
> scsibus0 at vioblk0: 2 targets
> sd0 at scsibus0 targ 0 lun 0: <VirtIO, Block Device, > SCSI3 0/direct fixed
> sd0: 15359MB, 512 bytes/sector, 31455272 sectors
> virtio31 at mainbus0: Virtio Entropy Device
> viornd0 at virtio31
> pciecam0 at mainbus0
> pci0 at pciecam0
> "Red Hat Host" rev 0x00 at pci0 dev 0 function 0 not configured
> virtio32 at pci0 dev 1 function 0 "Qumranet Virtio Network" rev 0x00
> vio0 at virtio32: address 52:54:00:00:ff:66
> virtio32: irq
> pluart0 at mainbus0: console
> ampintc0 at mainbus0 nirq 288, ncpu 1: "intc"
> ampintcmsi0 at ampintc0: nspi 64
> agtimer0 at mainbus0: tick rate 62500 KHz
> vscsi0 at root
> scsibus1 at vscsi0: 256 targets
> softraid0 at root
> scsibus2 at softraid0: 256 targets
> bootfile: sd0a:/bsd
> boot device: sd0
> root on sd0a (9bab94372acbda1b.a) swap on sd0b dump on sd0b
