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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
| commit | d0c85e36e4de67af628d54e9ab577cc3fad7796a (patch) | |
| tree | f8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/boot/1921468 | |
| parent | 7f4364274750eb8cb39a3e7493132fca1c01232e (diff) | |
| download | emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip | |
add deepseek and gemma results
Diffstat (limited to 'results/classifier/gemma3:12b/boot/1921468')
| -rw-r--r-- | results/classifier/gemma3:12b/boot/1921468 | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/boot/1921468 b/results/classifier/gemma3:12b/boot/1921468 new file mode 100644 index 00000000..a7dad8fb --- /dev/null +++ b/results/classifier/gemma3:12b/boot/1921468 @@ -0,0 +1,47 @@ + +[UBUNTU 20.04] KVM guest fails to find zipl boot menu index + +---Problem Description--- +A KVM guest fails to find the zipl boot menu index if the "zIPL" magic value is listed at the end of a disk block. + +---System Hang--- +System sits in disabled wait, last console display +LOADPARM=[ ] +Using virtio-blk. +Using ECKD scheme (block size 4096), CDL +VOLSER=[0X0067] + + +---Steps to Reproduce--- +1. Install Distro KVM guest from ISO on a DASD, e.g. using virt-install, my invocation was +$ virt-install --name secguest2 --memory 2048 --disk path=/dev/disk/by-path/ccw-0.0.af6a --cdrom /var/lib/libvirt/images/xxxxxx.iso + +2. Select DHCP networking and ASCII console, and accept all defaults of the installer + +3. Let the installer reboot after the installation completes + +It is possible to recover by editing the domain XML with an explicit loadparm to select a boot menu entry. E.g. I changed the disk definition to + <disk type='block' device='disk'> + <driver name='qemu' type='raw' cache='none' io='native'/> + <source dev='/dev/disk/by-path/ccw-0.0.af6a'/> + <target dev='vda' bus='virtio'/> + <boot order='1' loadparm='1'/> + <address type='ccw' cssid='0xfe' ssid='0x0' devno='0xaf6a'/> + </disk> + +The patches are now upstream: +5f97ba0c74cc ("pc-bios/s390-ccw: fix off-by-one error") +468184ec9024 ("pc-bios/s390-ccw: break loop if a null block number is reached") + +Current versions of qemu within Ubuntu + +focal (20.04LTS) 1:4.2-3ubuntu6 [ports]: arm64 armhf ppc64el s390x +focal-updates (metapackages): 1:4.2-3ubuntu6.14: amd64 arm64 armhf ppc64el s390x + +groovy (20.10) (metapackages): 1:5.0-5ubuntu9 [ports]: arm64 armhf ppc64el s390x +groovy-updates (metapackages): 1:5.0-5ubuntu9.6: amd64 arm64 armhf ppc64el s390x + +hirsute (metapackages): 1:5.2+dfsg-9ubuntu1: amd64 arm64 armhf ppc64el s390x + + +git-commits will apply seamlessley for the requested levels if not already integrated \ No newline at end of file |