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List:       libguestfs
Subject:    =?utf-8?q?=5BLibguestfs=5D?= Re: libguestfs-test-tool hangs
From:       "Richard W.M. Jones" <rjones () redhat ! com>
Date:       2024-02-13 17:22:09
Message-ID: 20240213172209.GQ15275 () redhat ! com
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On Wed, Feb 07, 2024 at 11:50:44AM +0800, Michael Brade wrote:
> Hi,
> 
> the following is the log of libguestfs-test-tool. It seems that qemu
> does not even begin to boot with those arguments. I have no idea
> why.
> 
> The kernel is a custom kernel, but it at least starts to boot if I
> leave out all the qemu options.
> 
> 
> Thanks, Michael
> 
> 
> 
> $ libguestfs-test-tool
> ************************************************************
> *                    IMPORTANT NOTICE
> *
> * When reporting bugs, include the COMPLETE, UNEDITED
> * output below in your bug report.
> *
> ************************************************************
> libguestfs: trace: set_verbose true
> libguestfs: trace: set_verbose = 0
> libguestfs: trace: set_verbose true
> libguestfs: trace: set_verbose = 0
> LIBGUESTFS_TRACE=1
> LIBGUESTFS_DEBUG=1
> PATH=/home/me/.local/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/opt/eclipse:/media/data/Software/Go/bin
>  XDG_RUNTIME_DIR=/run/user/1000
> SELinux: sh: 1: getenforce: not found
> libguestfs: trace: add_drive_scratch 104857600
> libguestfs: trace: get_tmpdir
> libguestfs: trace: get_tmpdir = "/tmp"
> libguestfs: trace: disk_create "/tmp/libguestfse7YinH/scratch1.img"
> "raw" 104857600
> libguestfs: trace: disk_create = 0
> libguestfs: trace: add_drive "/tmp/libguestfse7YinH/scratch1.img"
> "format:raw" "cachemode:unsafe"
> libguestfs: trace: add_drive = 0
> libguestfs: trace: add_drive_scratch = 0
> libguestfs: trace: get_append
> libguestfs: trace: get_append = "NULL"
> guestfs_get_append: (null)
> libguestfs: trace: get_autosync
> libguestfs: trace: get_autosync = 1
> guestfs_get_autosync: 1
> libguestfs: trace: get_backend
> libguestfs: trace: get_backend = "direct"
> guestfs_get_backend: direct
> libguestfs: trace: get_backend_settings
> libguestfs: trace: get_backend_settings = []
> guestfs_get_backend_settings: []
> libguestfs: trace: get_cachedir
> libguestfs: trace: get_cachedir = "/var/tmp"
> guestfs_get_cachedir: /var/tmp
> libguestfs: trace: get_hv
> libguestfs: trace: get_hv = "/usr/bin/qemu-system-x86_64"
> guestfs_get_hv: /usr/bin/qemu-system-x86_64
> libguestfs: trace: get_memsize
> libguestfs: trace: get_memsize = 1280
> guestfs_get_memsize: 1280
> libguestfs: trace: get_network
> libguestfs: trace: get_network = 0
> guestfs_get_network: 0
> libguestfs: trace: get_path
> libguestfs: trace: get_path = "/usr/lib/x86_64-linux-gnu/guestfs"
> guestfs_get_path: /usr/lib/x86_64-linux-gnu/guestfs
> libguestfs: trace: get_pgroup
> libguestfs: trace: get_pgroup = 0
> guestfs_get_pgroup: 0
> libguestfs: trace: get_program
> libguestfs: trace: get_program = "libguestfs-test-tool"
> guestfs_get_program: libguestfs-test-tool
> libguestfs: trace: get_recovery_proc
> libguestfs: trace: get_recovery_proc = 1
> guestfs_get_recovery_proc: 1
> libguestfs: trace: get_smp
> libguestfs: trace: get_smp = 1
> guestfs_get_smp: 1
> libguestfs: trace: get_sockdir
> libguestfs: trace: get_sockdir = "/run/user/1000"
> guestfs_get_sockdir: /run/user/1000
> libguestfs: trace: get_tmpdir
> libguestfs: trace: get_tmpdir = "/tmp"
> guestfs_get_tmpdir: /tmp
> libguestfs: trace: get_trace
> libguestfs: trace: get_trace = 1
> guestfs_get_trace: 1
> libguestfs: trace: get_verbose
> libguestfs: trace: get_verbose = 1
> guestfs_get_verbose: 1
> host_cpu: x86_64
> Launching appliance, timeout set to 600 seconds.
> libguestfs: trace: launch
> libguestfs: trace: max_disks
> libguestfs: trace: max_disks = 255
> libguestfs: trace: version
> libguestfs: trace: version = <struct guestfs_version = major: 1,
> minor: 52, release: 0, extra: , >
> libguestfs: trace: get_backend
> libguestfs: trace: get_backend = "direct"
> libguestfs: launch: program=libguestfs-test-tool
> libguestfs: launch: version=1.52.0
> libguestfs: launch: backend registered: libvirt
> libguestfs: launch: backend registered: direct
> libguestfs: launch: backend=direct
> libguestfs: launch: tmpdir=/tmp/libguestfse7YinH
> libguestfs: launch: umask=0022
> libguestfs: launch: euid=1000
> libguestfs: trace: get_cachedir
> libguestfs: trace: get_cachedir = "/var/tmp"
> libguestfs: begin building supermin appliance
> libguestfs: run supermin
> libguestfs: command: run: /usr/bin/supermin
> libguestfs: command: run: \ --build
> libguestfs: command: run: \ --verbose
> libguestfs: command: run: \ --if-newer
> libguestfs: command: run: \ --lock /var/tmp/.guestfs-1000/lock
> libguestfs: command: run: \ --copy-kernel
> libguestfs: command: run: \ -f ext2
> libguestfs: command: run: \ --host-cpu x86_64
> libguestfs: command: run: \ /usr/lib/x86_64-linux-gnu/guestfs/supermin.d
> libguestfs: command: run: \ -o /var/tmp/.guestfs-1000/appliance.d
> supermin: version: 5.2.2
> supermin: package handler: debian/dpkg
> supermin: acquiring lock on /var/tmp/.guestfs-1000/lock
> supermin: if-newer: output does not need rebuilding
> libguestfs: finished building supermin appliance
> libguestfs: begin testing qemu features
> libguestfs: trace: get_cachedir
> libguestfs: trace: get_cachedir = "/var/tmp"
> libguestfs: checking for previously cached test results of
> /usr/bin/qemu-system-x86_64, in /var/tmp/.guestfs-1000
> libguestfs: loading previously cached test results
> libguestfs: qemu version: 8.2
> libguestfs: qemu mandatory locking: yes
> libguestfs: qemu KVM: enabled
> libguestfs: trace: get_backend_setting "force_tcg"
> libguestfs: trace: get_backend_setting = NULL (error)
> libguestfs: trace: get_backend_setting "force_kvm"
> libguestfs: trace: get_backend_setting = NULL (error)
> libguestfs: trace: get_sockdir
> libguestfs: trace: get_sockdir = "/run/user/1000"
> libguestfs: finished testing qemu features
> libguestfs: trace: get_backend_setting "gdb"
> libguestfs: trace: get_backend_setting = NULL (error)
> /usr/bin/qemu-system-x86_64 \
> -global virtio-blk-pci.scsi=off \
> -no-user-config \
> -nodefaults \
> -display none \
> -machine q35,accel=kvm:tcg,graphics=off \
> -cpu max,la57=off \
> -m 1280 \
> -no-reboot \
> -rtc driftfix=slew \
> -no-hpet \
> -global kvm-pit.lost_tick_policy=discard \
> -kernel /var/tmp/.guestfs-1000/appliance.d/kernel \
> -initrd /var/tmp/.guestfs-1000/appliance.d/initrd \
> -object rng-random,filename=/dev/urandom,id=rng0 \
> -device virtio-rng-pci,rng=rng0 \
> -device virtio-scsi-pci,id=scsi \
> -drive file=/tmp/libguestfse7YinH/scratch1.img,cache=unsafe,format=raw,id=hd0,if=none
>  \
> -device scsi-hd,drive=hd0 \
> -drive file=/var/tmp/.guestfs-1000/appliance.d/root,snapshot=on,id=appliance,cache=unsafe,if=none,format=raw
>  \
> -device scsi-hd,drive=appliance \
> -device virtio-serial-pci \
> -serial stdio \
> -chardev
> socket,path=/run/user/1000/libguestfsnCrRCh/guestfsd.sock,id=channel0
> \
> -device
> virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \
> -append "panic=1 console=ttyS0 edd=off udevtimeout=6000
> udev.event-timeout=6000 no_timer_check printk.time=1
> cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable
> 8250.nr_uarts=1 root=UUID=9ac209f2-797a-49e4-981e-889cc118260e
> selinux=0 guestfs_verbose=1 TERM=xterm-256color"
> qemu-system-x86_64: -no-hpet: warning: -no-hpet is deprecated, use
> '-machine hpet=off' instead
> \x1bc\x1b[?7l\x1b[2J\x1b[0mSeaBIOS (version 1.16.3-debian-1.16.3-2)
> Booting from ROM..\x1bc\x1b[?7l\x1b[2J
> 
> ..... after a long time, it finishes like this:

Yup, I don't know.  It'll be some issue with the custom kernel, I
guess, but it's very hard to debug these kinds of things.

Rich.

> Booting from ROM..\x1bc\x1b[?7l\x1b[2Jlibguestfs: error: appliance
> closed the connection unexpectedly, see earlier error messages
> libguestfs: child_cleanup: 0x56237a104ff0: child process died
> libguestfs: sending SIGTERM to process 806119
> libguestfs: qemu maxrss 162080K
> libguestfs: error: guestfs_launch failed, see earlier error messages
> libguestfs: trace: launch = -1 (error)
> libguestfs: trace: close
> libguestfs: closing guestfs handle 0x56237a104ff0 (state 0)
> libguestfs: command: run: rm
> libguestfs: command: run: \ -rf /tmp/libguestfse7YinH
> libguestfs: command: run: rm
> libguestfs: command: run: \ -rf /run/user/1000/libguestfsnCrRCh

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org
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