Bug 1252757
Summary: | [RHEL-7.2-qmu-kvm] Package is 100% lost when ping from host to Win2012r2 guest with 64000 size | ||
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Product: | Red Hat Enterprise Linux 7 | Reporter: | xiagao |
Component: | qemu-kvm | Assignee: | Vlad Yasevich <vyasevic> |
Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> |
Severity: | unspecified | Docs Contact: | |
Priority: | unspecified | ||
Version: | 7.2 | CC: | ailan, chayang, huding, juzhang, knoel, meyang, rbalakri, shuang, virt-bugs, virt-maint, vyasevic, weliao, xfu |
Target Milestone: | rc | ||
Target Release: | --- | ||
Hardware: | x86_64 | ||
OS: | Unspecified | ||
Whiteboard: | |||
Fixed In Version: | qemu-kvm-1.5.3-106.el7 | Doc Type: | Bug Fix |
Doc Text: | Story Points: | --- | |
Clone Of: | 1251379 | Environment: | |
Last Closed: | 2016-11-03 20:00:51 UTC | Type: | Bug |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 1251379, 1262866 | ||
Bug Blocks: | 1288337 |
Comment 1
xiagao
2015-08-12 08:26:59 UTC
Version-Release number of selected component: qemu-kvm-1.5.3-98.el7.x86_64 kernel-3.10.0-302.el7.x86_64 Moving to 7.3. This is not a regression or a blocker, since the bug is has been since there since before qemu-0.12. Fix included in qemu-kvm-1.5.3-106.el7 Reproduce on below version: 3.10.0-378.el7.x86_64 qemu-kvm-1.5.3-105.el7.x86_64 Test steps: 1.launch a win2012r2 guest with rtl8139 NIC. /usr/libexec/qemu-kvm -S -name 'virt-tests-vm1' -sandbox off -machine pc -nodefaults -vga std -chardev socket,id=qmp_id_qmpmonitor1,path=/tmp/monitor-qmpmonitor1-20150807-143123-2OZwwnr3,server,nowait -mon chardev=qmp_id_qmpmonitor1,mode=control -chardev socket,id=qmp_id_catch_monitor,path=/tmp/monitor-catch_monitor-20150807-143123-2OZwwnr3,server,nowait -mon chardev=qmp_id_catch_monitor,mode=control -chardev socket,id=serial_id_serial0,path=/tmp/serial-serial0-20150807-143123-2OZwwnr3,server,nowait -device isa-serial,chardev=serial_id_serial0 -chardev socket,id=seabioslog_id_20150807-143123-2OZwwnr3,path=/tmp/seabios-20150807-143123-2OZwwnr3,server,nowait -device isa-debugcon,chardev=seabioslog_id_20150807-143123-2OZwwnr3,iobase=0x402 -device ich9-usb-uhci1,id=usb1,bus=pci.0,addr=03 -device virtio-scsi-pci,id=virtio_scsi_pci0,bus=pci.0,addr=04 -drive id=drive_image1,if=none,cache=none,snapshot=off,aio=native,format=qcow2,file=/home/win2012-64r2-virtio.qcow2 -device virtio-blk-pci,id=image1,drive=drive_image1,bootindex=0,bus=pci.0,addr=13 -device rtl8139,netdev=macvtap0,mac=32:d7:63:b5:a9:54,id=net1 -netdev tap,id=macvtap0,vhost=on -m 8192 -smp 8,maxcpus=8,cores=4,threads=1,sockets=2 -cpu 'SandyBridge',+kvm_pv_unhalt,hv_spinlocks=0x1fff,hv_vapic,hv_time -device usb-tablet,id=usb-tablet1,bus=usb1.0,port=1 -vnc :0 -rtc base=localtime,clock=host,driftfix=slew -boot order=cdn,once=c,menu=off,strict=off -enable-kvm -monitor stdio 2.ping guest from host with 63000/64000 size. [root@dhcp-8-118 qemu105]# ping 10.66.10.224 -s 63000 PING 10.66.10.224 (10.66.10.224) 63000(63028) bytes of data. 63008 bytes from 10.66.10.224: icmp_seq=34 ttl=128 time=3.21 ms 63008 bytes from 10.66.10.224: icmp_seq=35 ttl=128 time=2.59 ms 63008 bytes from 10.66.10.224: icmp_seq=36 ttl=128 time=2.33 ms [root@dhcp-8-118 qemu105]# ping 10.66.10.224 -s 64000 PING 10.66.10.224 (10.66.10.224) 64000(64028) bytes of data. From 10.66.10.224 icmp_seq=1 Frag reassembly time exceeded From 10.66.10.224 icmp_seq=2 Frag reassembly time exceeded From 10.66.10.224 icmp_seq=3 Frag reassembly time exceeded 63000 fine, 64000 failed, so reproduced. --------------------------------------- Verify this bug with below version: 3.10.0-378.el7.x86_64 qemu-kvm-1.5.3-109.el7.x86_64 The same test steps: [root@dhcp-8-118 qemu109]# ping 10.66.10.224 -s 63000 PING 10.66.10.224 (10.66.10.224) 63000(63028) bytes of data. 63008 bytes from 10.66.10.224: icmp_seq=33 ttl=128 time=3.22 ms [root@dhcp-8-118 qemu109]# ping 10.66.10.224 -s 64000 PING 10.66.10.224 (10.66.10.224) 64000(64028) bytes of data. 64008 bytes from 10.66.10.224: icmp_seq=1 ttl=128 time=2.62 ms 64008 bytes from 10.66.10.224: icmp_seq=2 ttl=128 time=2.35 ms 63000 and 64000 byte size all fine, so this bug fix well. Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHSA-2016-2585.html |