Seth, I was not able to recreate on my ixgbe Ubuntu machine. I think I have a fix based on the stack trace you reported. I closed this bug for now, and if you still have the problem with v4.0.4 (coming soon), let me know and I'll reopen.
https://github.com/appneta/tcpreplay/issues/74 Fred. On 2014-03-10, 6:00 AM, "Seth Hutchins (Mandiant)" <seth.hutch...@mandiant.com> wrote: > >On 3/8/14, 4:50 PM, "Fred Klassen" <fklas...@appneta.com> wrote: > >Fred, thanks to you and Aaron for the prompt reply! > >>However the issue at had is, device "p1p1" is not a type of interface >>that >>is recognized by tcpreplay. What type of hardware/software is it? If it >>were an Ethernet device driven by the ixgbe driver, I would expect the >>interface to be "ethX". > > >The device is an ixgbe ethernet device with fiber connection. > > ># ifconfig p1p1 | grep Ethernet >p1p1 Link encap:Ethernet HWaddr (removed) > ># lspci -v > >01:00.1 Ethernet controller: Intel Corporation 82599EB 10-Gigabit SFI/SFP+ >Network Connection (rev 01) >Subsystem: Intel Corporation Ethernet Server Adapter X520-2 >Flags: bus master, fast devsel, latency 0, IRQ 17 >Memory at c5180000 (64-bit, prefetchable) [size=512K] >I/O ports at 2000 [size=32] >Memory at c5204000 (64-bit, prefetchable) [size=16K] >Capabilities: [40] Power Management version 3 >Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ >Capabilities: [70] MSI-X: Enable+ Count=64 Masked- >Capabilities: [a0] Express Endpoint, MSI 00 >Capabilities: [100] Advanced Error Reporting >Capabilities: [140] Device Serial Number (removed) >Capabilities: [150] Alternative Routing-ID Interpretation (ARI) >Capabilities: [160] Single Root I/O Virtualization (SR-IOV) >Kernel driver in use: ixgbe >Kernel modules: ixgbe > > >>Are there any "ethX" devices available that you >>can use for your test? > >I don’t have any eth* devices on this box, probably due to the ‘consistent >network device naming’ convention, but I have ‘emX’ (igb) devices, and >those work fine. >However, I need to send traffic out the ixgbe device, so that doesn’t help >me. Please note that tcpreplay-3.4.4 recognizes the p1p1 device fine and >it works fine. >I’ve only encountered this behavior with the 4.0.3 release. > > >Here’s a reference to the naming standard in use across RHEL and more >recent Fedoras which is probably what’s leading to the p1p1 names: >https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linu >x >/6/html/Deployment_Guide/appe-Consistent_Network_Device_Naming.html > > >>Finally, is this on a real or virtual machine? > > >The OS is running on physical hardware, not a VM. > > > >Regards, > >Seth > > >> >>Fred. >> >>On 2014-03-07, 10:37 AM, "Seth Hutchins (Mandiant)" >><seth.hutch...@mandiant.com> wrote: >> >>> >>>The problem, in a nutshell: >>> >>># tcpreplay -t -i p1p1 big.pcap >>> >>>Fatal Error: >>>%s is not a valid Tcpreplay character device >>> >>>Two issues. >>>(1) This seems to have intended to be routed through a printf function, >>>but doesn¹t seem to be (see missing args below). >>>(2) It doesn¹t work, whereas old tcpreplay 3.4.4 works fine. >>> >>> >>>This problem seems independent of the pcap file specified. >>>It has been reproduced on a different CentOS 6.5 system, but with 똪o¹, >>>and with a more recent kernel. >>> >>>Yes, I am root (uid=0). No, SELinux is not running. >>> >>> >>>Any thoughts? Details follow ... >>> >>>Thanks for any help you can offer. >>> >>>kind regards, >>> >>>Seth >>> >>>. . . . >>> >>>CentOS 6.3, 2.6.32-279.19.1.el6.x86_64 kernel. >>> >>>tcpreplay version: 4.0.3 (build git:v4.0.3) >>>Copyright 2013-2014 by Fred Klassen <tcpreplay at appneta dot com> - >>>AppNeta Inc. >>>Copyright 2000-2012 by Aaron Turner <aturner at synfin dot net> >>>The entire Tcpreplay Suite is licensed under the GPLv3 >>>Cache file supported: 04 >>>Not compiled with libdnet. >>>Compiled against libpcap: 1.4.0 >>>64 bit packet counters: enabled >>>Verbose printing via tcpdump: enabled >>>Packet editing: disabled >>>Fragroute engine: disabled >>>Injection method: PF_PACKET send() >>> >>>driver: ixgbe >>>version: 3.12.6 >>>firmware-version: 0x61bd0001 >>>bus-info: 0000:01:00.0 >>> >>># tcpreplay 땗istnics >>>Available network interfaces: >>>p1p1 >>>p1p2 >>>em1 >>>em2 >>>any >>> >>>#0 0x000000370e6acea0 in _exit () from /lib64/libc.so.6 >>>#1 0x000000370e635d52 in exit () from /lib64/libc.so.6 >>>#2 0x000000000040ab7c in sendpacket_open (device=0x832a50 "p1p1", >>> errbuf=0x7fffffffdcb0 "", direction=TCPR_DIR_C2S, >>> sendpacket_type=<value optimized out>) at sendpacket.c:555 >>>#3 0x0000000000407258 in tcpreplay_post_args (ctx=0x827010, >>> argc=<value optimized out>) at tcpreplay_api.c:289 >>>#4 0x00000000004054f5 in main (argc=1, argv=0x7fffffffe610) at >>>tcpreplay.c:73 >>> >>>#2 0x000000000040ab7c in sendpacket_open (device=0x832a50 "p1p1", >>> errbuf=0x7fffffffdcb0 "", direction=TCPR_DIR_C2S, >>> sendpacket_type=<value optimized out>) at sendpacket.c:555 >>>555 err(1, "%s is not a valid Tcpreplay character device²); >>> >>>(gdb) list >>>550 if (((sdata.st_mode & S_IFMT) == S_IFCHR)) { >>>551 >>>552 sp = sendpacket_open_khial(device, errbuf); >>>553 >>>554 } else { >>>555 err(1, "%s is not a valid Tcpreplay character device"); >>>556 } >>>557 } else { >>>558 #ifdef HAVE_NETMAP >>>559 if (sendpacket_type == SP_TYPE_NETMAP) >>>(gdb) p /x sdata.st_mode >>>$2 = 0x41ed >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >> >>------------------------------------------------------------------------- >>- >>---- >>Subversion Kills Productivity. 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