[Qemu-devel] [Bug 1762179] [NEW] Record and replay replay fails with: "ERROR:replay/replay-time.c:49:replay_read_clock: assertion failed"

[Ciro Santilli 六四事件 法轮功]

Public bug reported:

QEMU master at 08e173f29461396575c85510eb41474b993cb1fb

QEMU commands:


```
#!/usr/bin/env bash
cmd="\
time \
./out/x86_64/buildroot/host/usr/bin/qemu-system-x86_64 \
-M pc \
-append 'root=/dev/sda console=ttyS0 nokaslr printk.time=y - 
lkmc_eval=\"/rand_check.out;/sbin/ifup -a;wget -S google.com;/poweroff.out;\"' \
-kernel 'out/x86_64/buildroot/images/bzImage' \
-nographic \
\
-drive 
file=out/x86_64/buildroot/images/rootfs.ext2.qcow2,if=none,id=img-direct,format=qcow2
 \
-drive driver=blkreplay,if=none,image=img-direct,id=img-blkreplay \
-device ide-hd,drive=img-blkreplay \
\
-netdev user,id=net1 \
-device rtl8139,netdev=net1 \
-object filter-replay,id=replay,netdev=net1 \
"
echo "$cmd"
eval "$cmd -icount 'shift=7,rr=record,rrfile=replay.bin'"
eval "$cmd -icount 'shift=7,rr=replay,rrfile=replay.bin'"
```

Images uploaded to: https://github.com/cirosantilli/linux-kernel-module-
cheat/releases/download/test-replay-arm/images4.zip

The replay failed straight out with:

```
ERROR:replay/replay-time.c:49:replay_read_clock: assertion failed: (replay_file 
&& replay_mutex_locked())
```

Images generated with: https://github.com/cirosantilli/linux-kernel-
module-cheat/tree/9513c162ef57e6cb70006dfe870856f94ee9a133

QEMU configure:

```
cd 
/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/build/host-qemu-custom;
 
PATH="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin:/home/ciro/bak/git/linux-kernel-modul
e-cheat/out/x86_64/buildroot/host/sbin:./node_modules/.bin:/usr/local/heroku/bin:/home/ciro/android-sdk/platform-tools:/home/ciro/android-sdk/tools:/home/ciro/android-studio//bin:/home/ciro/android-sdk/ndk-bundl
e:/home/ciro/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin:/home/ciro/bak/git/devbin:/home/ciro/bin:/usr/local/texlive/2013/bin/x86_64-linux:/home/ciro/.rvm/gems/ruby-2.4.
1/bin:/home/ciro/.rvm/gems/address@hidden/bin:/home/ciro/.rvm/rubies/ruby-2.4.1/bin:./node_modules/.bin:/usr/local/heroku/bin:/home/ciro/android-sdk/platform-tools:/home/ciro/android-sdk/tools:/home/ciro/andr
oid-studio//bin:/home/ciro/android-sdk/ndk-bundle:/home/ciro/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin:/home/ciro/bak/git/devbin:/home/ciro/bin:/usr/local/texlive/2013
/bin/x86_64-linux:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/bin:/snap/bin:/home/ciro/bak/git/latex:/home/ciro/.rvm/bin:/home/ciro/anaconda2/bin:/home/ciro/.cab
al/bin:/bin:/home/ciro/.go/bin:/home/ciro/.local/bin/:/home/ciro/bak/git/runlinux:/usr/bin:/home/ciro/bak/git/latex:/home/ciro/.rvm/bin:/home/ciro/anaconda2/bin:/home/ciro/.cabal/bin:/bin:/home/ciro/.go/bin:/home/ciro/.local/bin/:/home/ciro/bak/git/runlinux"
 
PKG_CONFIG="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/pkg-config"
 PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 PKG_
CONFIG_ALLOW_SYSTEM_LIBS=1 
PKG_CONFIG_LIBDIR="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/lib/pkgconfig:/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/share/pkg
config" AR="/usr/bin/ar" AS="/usr/bin/as" LD="/usr/bin/ld" NM="/usr/bin/nm" 
CC="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/ccache
 /usr/bin/gcc" GCC="/home/ciro/bak/git/linux-kerne
l-module-cheat/out/x86_64/buildroot/host/bin/ccache /usr/bin/gcc" 
CXX="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/ccache
 /usr/bin/g++" CPP="/usr/bin/cpp" OBJCOPY="/usr/bin/objcopy
" RANLIB="/usr/bin/ranlib" 
CPPFLAGS="-I/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/include"
 CFLAGS="-O2 
-I/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/include
" CXXFLAGS="-O2 
-I/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/include"
 
LDFLAGS="-L/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/lib
 -Wl,-rpath,/home/ciro/bak/g
it/linux-kernel-module-cheat/out/x86_64/buildroot/host/lib" 
INTLTOOL_PERL=/usr/bin/perl 
CPP="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/ccache
 /usr/bin/gcc -E" ./configure --targe
t-list="x86_64-softmmu" 
--prefix="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host"
 
--interp-prefix=/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/x86_64-buildroot-l
inux-uclibc/sysroot 
--cc="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/ccache
 /usr/bin/gcc" 
--host-cc="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/cca
che /usr/bin/gcc" 
--python=/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/python2
 --extra-cflags="-O2 
-I/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/include"
 
--extra-ldflags="-L/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/lib
 
-Wl,-rpath,/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/lib"
 --enable-debug --extra-cflags
=-DDEBUG_PL061=1 --enable-trace-backends=simple --enable-sdl --with-sdlabi=2.0
```

QEMU build:

```
PATH="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin:/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/sbin:./node_modules/.bin:/usr/local/heroku/bin:/home/ciro/a
ndroid-sdk/platform-tools:/home/ciro/android-sdk/tools:/home/ciro/android-studio//bin:/home/ciro/android-sdk/ndk-bundle:/home/ciro/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_6
4/bin:/home/ciro/bak/git/devbin:/home/ciro/bin:/usr/local/texlive/2013/bin/x86_64-linux:/home/ciro/.rvm/gems/ruby-2.4.1/bin:/home/ciro/.rvm/gems/address@hidden/bin:/home/ciro/.rvm/rubies/ruby-2.4.1/bin:./node
_modules/.bin:/usr/local/heroku/bin:/home/ciro/android-sdk/platform-tools:/home/ciro/android-sdk/tools:/home/ciro/android-studio//bin:/home/ciro/android-sdk/ndk-bundle:/home/ciro/android-sdk/ndk-bundle/toolchain
s/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin:/home/ciro/bak/git/devbin:/home/ciro/bin:/usr/local/texlive/2013/bin/x86_64-linux:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/us
r/local/games:/usr/bin:/snap/bin:/home/ciro/bak/git/latex:/home/ciro/.rvm/bin:/home/ciro/anaconda2/bin:/home/ciro/.cabal/bin:/bin:/home/ciro/.go/bin:/home/ciro/.local/bin/:/home/ciro/bak/git/runlinux:/usr/bin:/h
ome/ciro/bak/git/latex:/home/ciro/.rvm/bin:/home/ciro/anaconda2/bin:/home/ciro/.cabal/bin:/bin:/home/ciro/.go/bin:/home/ciro/.local/bin/:/home/ciro/bak/git/runlinux"
 PKG_CONFIG="/home/ciro/bak/git/linux-kernel-m
odule-cheat/out/x86_64/buildroot/host/bin/pkg-config" 
PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 
PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 
PKG_CONFIG_LIBDIR="/home/ciro/bak/git/linux-kernel-module-cheat/ou
t/x86_64/buildroot/host/lib/pkgconfig:/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/share/pkgconfig"
 /usr/bin/make -j8 -C 
/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroo
t/build/host-qemu-custom
```

** Affects: qemu
     Importance: Undecided
         Status: New

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1762179

Title:
  Record and replay replay fails with: "ERROR:replay/replay-
  time.c:49:replay_read_clock: assertion failed"

Status in QEMU:
  New

Bug description:
  QEMU master at 08e173f29461396575c85510eb41474b993cb1fb

  QEMU commands:

  
  ```
  #!/usr/bin/env bash
  cmd="\
  time \
  ./out/x86_64/buildroot/host/usr/bin/qemu-system-x86_64 \
  -M pc \
  -append 'root=/dev/sda console=ttyS0 nokaslr printk.time=y - 
lkmc_eval=\"/rand_check.out;/sbin/ifup -a;wget -S google.com;/poweroff.out;\"' \
  -kernel 'out/x86_64/buildroot/images/bzImage' \
  -nographic \
  \
  -drive 
file=out/x86_64/buildroot/images/rootfs.ext2.qcow2,if=none,id=img-direct,format=qcow2
 \
  -drive driver=blkreplay,if=none,image=img-direct,id=img-blkreplay \
  -device ide-hd,drive=img-blkreplay \
  \
  -netdev user,id=net1 \
  -device rtl8139,netdev=net1 \
  -object filter-replay,id=replay,netdev=net1 \
  "
  echo "$cmd"
  eval "$cmd -icount 'shift=7,rr=record,rrfile=replay.bin'"
  eval "$cmd -icount 'shift=7,rr=replay,rrfile=replay.bin'"
  ```

  Images uploaded to: https://github.com/cirosantilli/linux-kernel-
  module-cheat/releases/download/test-replay-arm/images4.zip

  The replay failed straight out with:

  ```
  ERROR:replay/replay-time.c:49:replay_read_clock: assertion failed: 
(replay_file && replay_mutex_locked())
  ```

  Images generated with: https://github.com/cirosantilli/linux-kernel-
  module-cheat/tree/9513c162ef57e6cb70006dfe870856f94ee9a133

  QEMU configure:

  ```
  cd 
/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/build/host-qemu-custom;
 
PATH="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin:/home/ciro/bak/git/linux-kernel-modul
  
e-cheat/out/x86_64/buildroot/host/sbin:./node_modules/.bin:/usr/local/heroku/bin:/home/ciro/android-sdk/platform-tools:/home/ciro/android-sdk/tools:/home/ciro/android-studio//bin:/home/ciro/android-sdk/ndk-bundl
  
e:/home/ciro/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin:/home/ciro/bak/git/devbin:/home/ciro/bin:/usr/local/texlive/2013/bin/x86_64-linux:/home/ciro/.rvm/gems/ruby-2.4.
  
1/bin:/home/ciro/.rvm/gems/address@hidden/bin:/home/ciro/.rvm/rubies/ruby-2.4.1/bin:./node_modules/.bin:/usr/local/heroku/bin:/home/ciro/android-sdk/platform-tools:/home/ciro/android-sdk/tools:/home/ciro/andr
  
oid-studio//bin:/home/ciro/android-sdk/ndk-bundle:/home/ciro/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin:/home/ciro/bak/git/devbin:/home/ciro/bin:/usr/local/texlive/2013
  
/bin/x86_64-linux:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/bin:/snap/bin:/home/ciro/bak/git/latex:/home/ciro/.rvm/bin:/home/ciro/anaconda2/bin:/home/ciro/.cab
  
al/bin:/bin:/home/ciro/.go/bin:/home/ciro/.local/bin/:/home/ciro/bak/git/runlinux:/usr/bin:/home/ciro/bak/git/latex:/home/ciro/.rvm/bin:/home/ciro/anaconda2/bin:/home/ciro/.cabal/bin:/bin:/home/ciro/.go/bin:/home/ciro/.local/bin/:/home/ciro/bak/git/runlinux"
 
PKG_CONFIG="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/pkg-config"
 PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 PKG_
  CONFIG_ALLOW_SYSTEM_LIBS=1 
PKG_CONFIG_LIBDIR="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/lib/pkgconfig:/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/share/pkg
  config" AR="/usr/bin/ar" AS="/usr/bin/as" LD="/usr/bin/ld" NM="/usr/bin/nm" 
CC="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/ccache
 /usr/bin/gcc" GCC="/home/ciro/bak/git/linux-kerne
  l-module-cheat/out/x86_64/buildroot/host/bin/ccache /usr/bin/gcc" 
CXX="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/ccache
 /usr/bin/g++" CPP="/usr/bin/cpp" OBJCOPY="/usr/bin/objcopy
  " RANLIB="/usr/bin/ranlib" 
CPPFLAGS="-I/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/include"
 CFLAGS="-O2 
-I/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/include
  " CXXFLAGS="-O2 
-I/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/include"
 
LDFLAGS="-L/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/lib
 -Wl,-rpath,/home/ciro/bak/g
  it/linux-kernel-module-cheat/out/x86_64/buildroot/host/lib" 
INTLTOOL_PERL=/usr/bin/perl 
CPP="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/ccache
 /usr/bin/gcc -E" ./configure --targe
  t-list="x86_64-softmmu" 
--prefix="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host"
 
--interp-prefix=/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/x86_64-buildroot-l
  inux-uclibc/sysroot 
--cc="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/ccache
 /usr/bin/gcc" 
--host-cc="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/cca
  che /usr/bin/gcc" 
--python=/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin/python2
 --extra-cflags="-O2 
-I/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/include"
   
--extra-ldflags="-L/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/lib
 
-Wl,-rpath,/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/lib"
 --enable-debug --extra-cflags
  =-DDEBUG_PL061=1 --enable-trace-backends=simple --enable-sdl --with-sdlabi=2.0
  ```

  QEMU build:

  ```
  
PATH="/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/bin:/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/sbin:./node_modules/.bin:/usr/local/heroku/bin:/home/ciro/a
  
ndroid-sdk/platform-tools:/home/ciro/android-sdk/tools:/home/ciro/android-studio//bin:/home/ciro/android-sdk/ndk-bundle:/home/ciro/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_6
  
4/bin:/home/ciro/bak/git/devbin:/home/ciro/bin:/usr/local/texlive/2013/bin/x86_64-linux:/home/ciro/.rvm/gems/ruby-2.4.1/bin:/home/ciro/.rvm/gems/address@hidden/bin:/home/ciro/.rvm/rubies/ruby-2.4.1/bin:./node
  
_modules/.bin:/usr/local/heroku/bin:/home/ciro/android-sdk/platform-tools:/home/ciro/android-sdk/tools:/home/ciro/android-studio//bin:/home/ciro/android-sdk/ndk-bundle:/home/ciro/android-sdk/ndk-bundle/toolchain
  
s/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin:/home/ciro/bak/git/devbin:/home/ciro/bin:/usr/local/texlive/2013/bin/x86_64-linux:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/us
  
r/local/games:/usr/bin:/snap/bin:/home/ciro/bak/git/latex:/home/ciro/.rvm/bin:/home/ciro/anaconda2/bin:/home/ciro/.cabal/bin:/bin:/home/ciro/.go/bin:/home/ciro/.local/bin/:/home/ciro/bak/git/runlinux:/usr/bin:/h
  
ome/ciro/bak/git/latex:/home/ciro/.rvm/bin:/home/ciro/anaconda2/bin:/home/ciro/.cabal/bin:/bin:/home/ciro/.go/bin:/home/ciro/.local/bin/:/home/ciro/bak/git/runlinux"
 PKG_CONFIG="/home/ciro/bak/git/linux-kernel-m
  odule-cheat/out/x86_64/buildroot/host/bin/pkg-config" 
PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 
PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 
PKG_CONFIG_LIBDIR="/home/ciro/bak/git/linux-kernel-module-cheat/ou
  
t/x86_64/buildroot/host/lib/pkgconfig:/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroot/host/share/pkgconfig"
 /usr/bin/make -j8 -C 
/home/ciro/bak/git/linux-kernel-module-cheat/out/x86_64/buildroo
  t/build/host-qemu-custom
  ```

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1762179/+subscriptions