| Summary: | host kernel panic while host running multiple TCP_RR. | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Quan Wenli <wquan> | ||||
| Component: | kernel | Assignee: | Herbert Xu <herbert.xu> | ||||
| Status: | CLOSED DUPLICATE | QA Contact: | Red Hat Kernel QE team <kernel-qe> | ||||
| Severity: | high | Docs Contact: | |||||
| Priority: | high | ||||||
| Version: | 6.2 | CC: | amwang | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2011-09-19 11:49:35 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Attachments: |
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*** This bug has been marked as a duplicate of bug 730756 *** |
Created attachment 520313 [details] backtrace of kernel panic Description of problem: host kernel panic while host running multiple TCP_RR.backtrace in attachment. Version-Release number of selected component (if applicable): kernel-2.6.32-191.el6.x86_64 qemu-kvm-0.12.1.2-2.184.el6.x86_64 How reproducible: always Steps to Reproduce: 1.boot guest on the host. /usr/libexec/qemu-kvm /home/kvm_autotest_root/images/RHEL-Server-6.2-64-virtio.qcow2 -netdev tap,id=hn0,vhost=on -device virtio-net-pci,netdev=hn0,mac=00:00:05:00:00:05 -m 4G -cpu cpu64-rhel6,+sse2,+x2apic -rtc base=utc,clock=host -usbdevice tablet -no-kvm-pit-reinjection -M rhel6.2.0 -enable-kvm -vnc :10 2.run netserver on the guest (ip is 192.168.100.3) 3.run multiple TCP_RR on the host (configure netperf with --enable-burst) netperf -H 192.168.100.3 -t TCP_RR -- -b 25 -r 256,25 Actual results: host kernel panic while host running multiple TCP_RR. Expected results: Additional info: # sysctl -a |grep bridge net.bridge.bridge-nf-call-arptables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-ip6tables = 0 net.bridge.bridge-nf-filter-vlan-tagged = 0 net.bridge.bridge-nf-filter-pppoe-tagged = 0 # ethtool -k eth1 Offload parameters for eth1: rx-checksumming: on tx-checksumming: on scatter-gather: on tcp-segmentation-offload: on udp-fragmentation-offload: off generic-segmentation-offload: on generic-receive-offload: on large-receive-offload: off # ethtool -i eth1 driver: ixgbe version: 3.4.8-k firmware-version: 0.9-3 bus-info: 0000:0f:00.1 # cat /proc/cmdline ro root=/dev/mapper/VolGroup-LogVol_root rd_LVM_LV=VolGroup/LogVol_root rd_LVM_LV=VolGroup/LogVol_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us crashkernel=129M@0M processor.max_cstate=1 nmi_watchdog=0 console=tty0 console=ttyS0,115200 rhgb quiet intel_iommu=off