Description of problem: Guest got kernel panic with calltrace when formatting floppy. Version-Release number of selected component (if applicable): kvm-83-140 How reproducible: 5% Steps to Reproduce: 1. start vm with command qemu-kvm -name 'vm1' -monitor tcp:0:6001,server,nowait -drive file=/tests/kvm/images/RHEL-Server-5.4-PAE-virtio.raw,if=virtio,cache=writethrough,boot=on -net nic,vlan=0,model=virtio,macaddr=00:AE:8F:CE:25:00 -net tap,vlan=0,ifname=virtio_0_6001,script=/tests/kvm/scripts/qemu-ifup-switch,downscript=no -m 4096 -smp 2 -fda /tests/kvm/images/test_floppy.img -usbdevice tablet -rtc-td-hack -no-hpet -cpu qemu64,+sse2 -no-kvm-pit-reinjection -vnc :0 2. after guest started up, login to guest and execute commands: mkfs -t ext3 /dev/fd0 mount /dev/fd0 /mnt/ # timeout when execute this command 3. calltrace appears Actual results: guest os died with kernel panic Expected results: mount the floppy successfully Additional info: 1. host kernel # uname -r 2.6.18-183.el5 2. this problem happens most when using RHEL-Server-5.4-PAE.virtio_nic.virtio_blk and also tested and found this on RHEL-Server-5.4-32bit.virtio_nic.virtio_blk RHEL-Server-5.4-64bit.virtio_nic.virtio_blk
Created attachment 381495 [details] the calltrace screenshot the calltrace after the command "mount"
This request was evaluated by Red Hat Product Management for inclusion in the current release of Red Hat Enterprise Linux. Because the affected component is not scheduled to be updated in the current release, Red Hat is unfortunately unable to address this request at this time. Red Hat invites you to ask your support representative to propose this request, if appropriate and relevant, in the next release of Red Hat Enterprise Linux.
This request was erroneously denied for the current release of Red Hat Enterprise Linux. The error has been fixed and this request has been re-proposed for the current release.
Created attachment 475553 [details] rhel5.6 guest panic when testing floppy
*** This bug has been marked as a duplicate of bug 653324 ***