You’re not going to have any support for PCIe device with that kernel. We’re working on the last bit of debugging and polishing around a kernel that will support it — I intended to have it out 2 weeks ago, but we’re still diligently working and it should be out in the next couple of days.
Ali On Aug 20, 2014, at 10:36 AM, Ivan Stalev <ids...@psu.edu> wrote: > Edit: I was using my own compiled kernel. I am now using the default kernel, > vmlinux-3.14-aarch64-vexpress-emm64, and it appears not to crash. I will go > ahead and test it out. > > > On Wed, Aug 20, 2014 at 11:19 AM, Ivan Stalev <ids...@psu.edu> wrote: > Hi Andreas, > > No problem, I figured it wasn't the 80 char README file patch :) > > I applied the 7 patches you posted this morning, but now when I run in dual > mode, gem5 crashes with this: > > panic: M5 panic instruction called at pc=0xffffffc00008a024. > @ tick 58408160 > [execute:build/ARM/arch/arm/generated/exec-ns.cc.inc, line 241403] > > The GDB backtrace from gem5.debug suggests that execution is somehow killed > from a manually inserted breakpoint. > > This is also after I had to hardcode the DTB file name for the drivesys in > /src/arch/arm/linux/system.cc since it was not picking it up from the command > line... > > warn: Kernel supports device tree, but no DTB file specified > fatal: Expected a single ATAG memory entry but got 3 > @ tick 58402784 > [initState:build/ARM/arch/arm/linux/system.cc, line 202] > > Can you share how you tested the client-server configuration? > > Thank you, > > Ivan > > > > > On Wed, Aug 20, 2014 at 4:45 AM, Andreas Hansson <andreas.hans...@arm.com> > wrote: > Hi Ivan, > > Just following up on this one. I posted the patches yesterday morning, but > forgot to “Publish” then. Sorry about the misunderstanding. They are all > there now. > > Andreas > > From: Andreas Hansson via gem5-users <gem5-users@gem5.org> > Reply-To: Andreas Hansson <andreas.hans...@arm.com>, gem5 users mailing list > <gem5-users@gem5.org> > Date: Tuesday, 19 August 2014 18:48 > To: Ivan Stalev <ids...@psu.edu>, gem5 users mailing list > <gem5-users@gem5.org>, Ali Saidi <sa...@umich.edu> > > Subject: Re: [gem5-users] ARMv8 Client-Server configuration > > Hi Ivan, > > The patches are on the review board as of this morning (UK time). > > Comments are welcome as always. > > Andreas > > From: Ivan Stalev via gem5-users <gem5-users@gem5.org> > Reply-To: Ivan Stalev <ids...@psu.edu>, gem5 users mailing list > <gem5-users@gem5.org> > Date: Tuesday, 19 August 2014 18:44 > To: Ali Saidi <sa...@umich.edu> > Cc: gem5 users mailing list <gem5-users@gem5.org> > Subject: Re: [gem5-users] ARMv8 Client-Server configuration > > Hi Ali, > > Have you had the chance to look at the issue or have some suggestions as to > which source files to look at? > > Thanks, > > Ivan > > > On Fri, Aug 8, 2014 at 8:34 PM, Ali Saidi <sa...@umich.edu> wrote: > Hi Ivan, > > The kernel that you’re using and the currently gem5 don’t support pci devices > with arm64. I hope to remedy this within a week. > > Thanks, > Ali > > On Aug 6, 2014, at 3:42 PM, Ivan Stalev via gem5-users <gem5-users@gem5.org> > wrote: > > > Hi everyone, > > > > I am trying to run a client-server setup using arm64. I am using the > > (latest) linaro kernel (3.16) and disk image suggested on the GEM5 > > downloads page. Simply building the kernel with defconfig (as recommended > > in the README) does not seem to setup the ethernet drivers. Running > > "ifconfig -a" only yields the loopback device/interface. > > > > I then opened up the .config (generated by defconfig) using menuconfig and > > enabled all the settings related to ethernet and re-built the kernel. After > > booting, "ifconfig -a" results in this: > > > > bond0 Link encap:Ethernet HWaddr CA:FB:D0:02:D0:7E > > BROADCAST MASTER MULTICAST MTU:1500 Metric:1 > > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:0 > > RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) > > > > dummy0 Link encap:Ethernet HWaddr 02:58:3E:AF:F3:41 > > BROADCAST NOARP MTU:1500 Metric:1 > > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:0 > > RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) > > > > lo Link encap:Local Loopback > > inet addr:127.0.0.1 Mask:255.0.0.0 > > UP LOOPBACK RUNNING MTU:65536 Metric:1 > > RX packets:8 errors:0 dropped:0 overruns:0 frame:0 > > TX packets:8 errors:0 dropped:0 overruns:0 carrier:0 > > collisions:0 txqueuelen:0 > > RX bytes:784 (784.0 B) TX bytes:784 (784.0 B) > > > > I tried running the sample client-server rcS scripts and tried both dummy0 > > and bond0, but pings did not go through. From others' posts and sample rcS > > scripts, it seems that GEM5 expects eth0. > > > > Does anyone know if client-server is supported for arm64 in GEM5, and if > > so, how to get them to communicate? I am using the latest GEM5 revision > > (10240). > > > > Thanks! > > > > _______________________________________________ > > gem5-users mailing list > > gem5-users@gem5.org > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > > -- IMPORTANT NOTICE: The contents of this email and any attachments are > confidential and may also be privileged. If you are not the intended > recipient, please notify the sender immediately and do not disclose the > contents to any other person, use it for any purpose, or store or copy the > information in any medium. Thank you. > > ARM Limited, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, > Registered in England & Wales, Company No: 2557590 > ARM Holdings plc, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, > Registered in England & Wales, Company No: 2548782 > > -- IMPORTANT NOTICE: The contents of this email and any attachments are > confidential and may also be privileged. If you are not the intended > recipient, please notify the sender immediately and do not disclose the > contents to any other person, use it for any purpose, or store or copy the > information in any medium. Thank you. > > ARM Limited, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, > Registered in England & Wales, Company No: 2557590 > ARM Holdings plc, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, > Registered in England & Wales, Company No: 2548782 > >
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