[Qemu-devel] git-bisect results (was: Re: qemu.git hangs booting Linux after insmod virtio_blk.ko)

[Richard W.M. Jones]

On Fri, Sep 30, 2011 at 02:11:48PM +0100, Richard W.M. Jones wrote:
> 
> I've not looked into this at all, it's just a report that something
> seems to be "up".  I will try to git bisect this later if no one spots
> anything obvious.
> 
> The next operation after insmod virtio_blk would be insmod_virtio_net.
> 
> Guest kernel is a Fedora kernel, version 3.1.0-0.rc6.git0.3.fc16.x86_64.
> 
> The ImExPS/2 message may or may not be coincidental.

git-bisect points to:

d67c3f2cd92aed2247bfa8a9da61a902b7b2ff09 is the first bad commit
commit d67c3f2cd92aed2247bfa8a9da61a902b7b2ff09
Author: Gerd Hoffmann <address@hidden>
Date:   Wed Aug 10 17:34:13 2011 +0200

    seabios: update to master
    
    commit 8e301472e324b6d6496d8b4ffc66863e99d7a505
    
    user visible changes in seabios:
      * ahci is enabled by default (and thus in this build).
      * bootorder support for ahci.
      * two-pass pci allocator (orders bars by size for better packing).
    
    Signed-off-by: Gerd Hoffmann <address@hidden>

:040000 040000 76eb0c81b76563b55cb2bb5c484ccd48b8cfcded 
5ec0d65d3a763a5566fe1f4c86269cad6d671020 M      pc-bios
:040000 040000 a5a7ea6e297c1e7490b0a2c28a06ce56e5be9449 
78adb664d3ea82f1a4dd5ec239887ac5b0168a7f M      roms
bisect run success

Rich.

[...]
> [    0.248188] Initializing network drop monitor service
> [    0.402221] Freeing unused kernel memory: 940k freed
> [    0.403955] Write protecting the kernel read-only data: 10240k
> [    0.415286] Freeing unused kernel memory: 1260k freed
> [    0.421039] Freeing unused kernel memory: 1584k freed
> febootstrap: mounting /proc
> febootstrap: uptime: 0.42 0.16
> febootstrap: ext2 mini initrd starting up
> febootstrap: mounting /sys
> febootstrap: internal insmod libcrc32c.ko
> febootstrap: internal insmod crc32c-intel.ko
> insmod: init_module: crc32c-intel.ko: No such device
> febootstrap: internal insmod crc-itu-t.ko
> febootstrap: internal insmod crc-ccitt.ko
> febootstrap: internal insmod crc7.ko
> febootstrap: internal insmod crc8.ko
> febootstrap: internal insmod scsi_transport_spi.ko
> febootstrap: internal insmod sym53c8xx.ko
> febootstrap: internal insmod rfkill.ko
> febootstrap: internal insmod sparse-keymap.ko
> febootstrap: internal insmod ideapad-laptop.ko
> insmod: init_module: ideapad-laptop.ko: No such device
> febootstrap: internal insmod virtio_balloon.ko
> febootstrap: internal insmod virtio-rng.ko
> febootstrap: internal insmod virtio_blk.ko
> [    0.669479] input: ImExPS/2 Generic Explorer Mouse as 
> /devices/platform/i8042/serio1/input/input1

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
New in Fedora 11: Fedora Windows cross-compiler. Compile Windows
programs, test, and build Windows installers. Over 70 libraries supprt'd
http://fedoraproject.org/wiki/MinGW http://www.annexia.org/fedora_mingw