Description of problem: When I try to install an OS in a VM KVM guest (for exemple Centos5.2, F10 rawhide etc.) trough a remote install method (netinstall.iso + repo url, direct repo url) with Virtual Machine Manager I see a lot of following messages: SKB BUG: Invalid truesize (488) len=262, sizeof(sk_buff)=232 SKB BUG: Invalid truesize (488) len=262, sizeof(sk_buff)=232 SKB BUG: Invalid truesize (488) len=258, sizeof(sk_buff)=232 SKB BUG: Invalid truesize (488) len=260, sizeof(sk_buff)=232 SKB BUG: Invalid truesize (488) len=257, sizeof(sk_buff)=232 SKB BUG: Invalid truesize (488) len=260, sizeof(sk_buff)=232 SKB BUG: Invalid truesize (488) len=260, sizeof(sk_buff)=232 SKB BUG: Invalid truesize (488) len=260, sizeof(sk_buff)=232 SKB BUG: Invalid truesize (488) len=259, sizeof(sk_buff)=232 SKB BUG: Invalid truesize (488) len=261, sizeof(sk_buff)=232 SKB BUG: Invalid truesize (488) len=258, sizeof(sk_buff)=232 Version-Release number of selected component (if applicable): Fedora 9 up-to-date kernel kernel-2.6.27.5-37.fc9.x86_64, kernel-2.6.27.5-41.fc9.x86_64 virt-manager-0.5.4-5.fc9.x86_64 kvm-65-10.fc9.x86_64 How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
Mihai, could you confirm a couple of things for me: 1) These error messages are in the host, not the guest, correct? 2) Is there anything unusual about your networking setup - e.g. do you have an ipsec/openswan tunnel on the host? The only skb->truesize code that jumps to mind is this commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=f42157c but this is a small skb, so we wouldn't ever allocate a paged skb. There's also this upstream bug report: http://bugzilla.kernel.org/show_bug.cgi?id=10996
Re: comment #1 1) Yes, the error messages are in the host not in the guest. 2) No, I don't have any ipsec/openswan tunnel on the host 3) The computer that show these error messages is connected to Internet through a USB ADSL modem using PPPoE 4) The error messages seems to appear more easily if I run in the same time a sniffer (iptraf, wireshark etc)
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