On Tue, Feb 13, 2018 at 6:50 AM, Pavel Dovgalyuk <dovga...@ispras.ru> wrote:
> Your command line looks wrong, because you forgot –icount, but specified > other replay options > Sorry about that, my full command is exactly the previous but with -icount 'shift=7,rr=record,rrfile=replay.bin' added to the end. . > > I tried recording and replaying with your command line and the execution > hangs at some moment of replay. > > The problem may be hidden in –dtb option, because it may add the devices > without configuring replay for them. > > Can you specify the whole hardware configuration in the command line? > Ah, now that you mentioned this, I had a modification on the DTB which needed to be reverted. I have re-uploaded it to the same address: https://github.com/cirosantilli/linux-kernel-module-cheat/releases/download/test-replay-arm/images.zip please use the new one instead. Now it should be just the vanilla Linux kernel versatilepb one. How to specify the --dtb configuration explicitly on the command line? I have also included the dts on the zip if that helps. > > > Pavel Dovgalyuk > > > > *From:* Ciro Santilli [mailto:ciro.santi...@gmail.com] > *Sent:* Tuesday, February 13, 2018 8:58 AM > *To:* Pavel Dovgalyuk > *Cc:* Pavel Dovgalyuk; qemu-devel@nongnu.org; kw...@redhat.com; Peter > Maydell; war2jor...@live.com; Igor R; quint...@redhat.com; > jasow...@redhat.com; m...@redhat.com; Aleksandr Bezzubikov; > maria.klimushenk...@ispras.ru; kra...@redhat.com; Thomas Dullien; > pbonz...@redhat.com; Alex Bennée > *Subject:* Re: [RFC PATCH v6 00/20] replay additions > > > > > > > > On Mon, Feb 12, 2018 at 5:47 AM, Pavel Dovgalyuk <dovga...@ispras.ru> > wrote: > > I tested ARM only with –kernel and –initrd. > > Can you provide the full command line and the disk image? > > > > > > The command I tried was: > > > > time ./buildroot/output.arm~/host/usr/bin/qemu-system-arm -M versatilepb > -append 'root=/dev/sda nokaslr norandmaps printk.devkmsg=on printk.time=y - > lkmc_eval="/rand_check.out;wget -S google.com;/poweroff.out;"' -kernel > ./buildroot/output.arm~/images/zImage -dtb > ./buildroot/output.arm~/images/versatile-pb.dtb > -nographic -drive file=./buildroot/output.arm~/ > images/rootfs.ext2,if=scsi,id=img-direct,format=raw -drive > driver=blkreplay,if=none,image=img-direct,id=img-blkreplay -device > scsi-hd,drive=img-blkreplay -netdev user,id=net1 -device > rtl8139,netdev=net1 -object filter-replay,id=replay,netdev=net1 > > > > and the required files can be downloaded from: > > > > https://github.com/cirosantilli/linux-kernel-module-cheat/releases/ > download/test-replay-arm/images.zip > > > > They were generated with: > > > > ./build -a arm > > > > on that repo. > > > > > > Pavel Dovgalyuk > > > > *From:* Ciro Santilli [mailto:ciro.santi...@gmail.com] > *Sent:* Saturday, February 10, 2018 3:09 AM > *To:* Pavel Dovgalyuk > *Cc:* Pavel Dovgalyuk; qemu-devel@nongnu.org; kw...@redhat.com; Peter > Maydell; war2jor...@live.com; Igor R; quint...@redhat.com; > jasow...@redhat.com; m...@redhat.com; Aleksandr Bezzubikov; > maria.klimushenk...@ispras.ru; kra...@redhat.com; Thomas Dullien; > pbonz...@redhat.com; Alex Bennée > *Subject:* Re: [RFC PATCH v6 00/20] replay additions > > > > Also, what command do you use to test on ARM? I'm a bit stuck to get the > drive part right, e.g.: > > > > -drive > file=./buildroot/output.arm~/images/rootfs.ext2,if=scsi,id=img-direct,format=raw > \ > > -drive driver=blkreplay,if=none,image=img-direct,id=img-blkreplay \ > > -device scsi-hd,drive=img-blkreplay \ > > > > fails with: qemu-system-arm: -device scsi-hd,drive=img-blkreplay: > Conflicts with use by img-direct as 'root', which does not allow 'write' on > #block968 > > > > >
