mkdir -p ~/qemu/qemu-git_2013-03-23_v1.4.0+ntpl+static/qemu
cd ~/qemu/qemu-git_2013-03-23_v1.4.0+ntpl+static/qemu
git clone git://git.qemu.org/qemu.git
git reset --hard v1.4.0

# 调整后的版本 http://patchwork.ozlabs.org/patch/45206/
patch -p1 < ../0001-add-usermode-NPTL-support-for-i386_qemu-v1.4.0.patch

patch -p1 < ../0002-disable-epoll-syscalls_qemu-v1.4.0.patch

./configure --target-list=i386-linux-user --static
make

# 以下命令请用Root账户运行或者使用sudo
    mount -t binfmt_misc none /proc/sys/fs/binfmt_misc
    echo -1 > /proc/sys/fs/binfmt_misc/status
    echo ':i386:M::\x7fELF\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x03:\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfb\xff\xff:/usr/bin/qemu-i386-static:' > /proc/sys/fs/binfmt_misc/register

# 以下命令请用Root账户运行或者使用sudo
    debootstrap --arch=i386 --foreign wheezy chroot-wheezy-i386 http://ftp.de.debian.org/debian
# 以下命令请用普通账户运行
    cp ~/qemu/qemu-git_2013-03-23_v1.4.0+ntpl+static/qemu/i386-linux-user/qemu-i386 ~/chroot-wheezy-i386/usr/bin/qemu-i386-static
    id
# 以下命令请用Root账户运行或者使用sudo
    DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true LC_ALL=C LANGUAGE=C LANG=C chroot chroot-wheezy-i386 /debootstrap/debootstrap --second-stage
    echo "deb http://ftp.de.debian.org/debian/ wheezy main" > chroot-wheezy-i386/etc/apt/sources.list.d/wheezy.list
    env -i TERM=xterm /usr/sbin/chroot chroot-wheezy-i386 /bin/su -l root
        apt-get update
        apt-get install libsm6 libxext6 libfreetype6 libpng12-0 libmpg123-0
        adduser --uid 1002 user2
        exit
    mount --bind /home/user2 /home/user2/chroot-wheezy-i386/home/user2
    mount --bind /dev /home/user2/chroot-wheezy-i386/dev
    mount --bind /proc /home/user2/chroot-wheezy-i386/proc
    exit

mkdir wine
cd wine
wget http://www.playonlinux.com/wine/binaries/linux-x86/PlayOnLinux-wine-1.5.26-linux-x86.pol
tar -jxf PlayOnLinux-wine-1.5.26-linux-x86.pol --strip-components=1 wineversion/1.5.26
mv ~/wine/1.5.26/bin/wine-preloader ~/wine/1.5.26/bin/wine-preloader.renamed

# 以下命令请用Root账户运行或者使用sudo
env -i TERM=xterm /usr/sbin/chroot chroot-wheezy-i386 /bin/su -l user2
    # as user2 in chroot
    export WINEPREFIX=~/wineprefix
    export PATH=~/wine/1.5.26/bin:$PATH
    export DISPLAY=localhost:10.0           # this test was done by ssh, locally export DISPLAY=:0 should be right
    winecfg

# 在chroot环境下运行
mkdir ~/notepadpp
cd ~/notepadpp
wget http://download.tuxfamily.org/notepadplus/6.3.1/npp.6.3.1.bin.zip
unzip npp.6.3.1.bin.zip
cd unicode
wine notepad++.exe

diff --git a/configure b/configure
index 8789324..5c48942 100755
--- a/configure
+++ b/configure
@@ -3891,6 +3891,7 @@ TARGET_ABI_DIR=""

 case "$target_arch2" in
   i386)
+    target_nptl="yes"
   ;;
   x86_64)
     TARGET_BASE_ARCH=i386
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 9e31ea7..86ecfbc 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -4253,6 +4253,13 @@ static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
     unlock_user_struct(target_ldt_info, ptr, 1);
     return 0;
 }
+
+static inline void cpu_set_tls(CPUX86State *env, target_ulong newtls)
+{
+    do_set_thread_area(env, newtls);
+    /* reload gs */
+    cpu_x86_load_seg(env, R_GS, env->segs[R_GS].selector);
+}
 #endif /* TARGET_I386 && TARGET_ABI32 */

 #ifndef TARGET_ABI32
@@ -4378,7 +4385,16 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
         init_task_state(ts);
         /* we create a new CPU instance. */
         new_env = cpu_copy(env);
-#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
+#if defined(TARGET_I386)
+        new_env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1),
+                PROT_READ|PROT_WRITE,
+                MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
+        memcpy(g2h(new_env->idt.base), g2h(env->idt.base), sizeof(uint64_t) * (env->idt.limit + 1));
+        new_env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,
+                PROT_READ|PROT_WRITE,
+                MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
+        memcpy(g2h(new_env->gdt.base), g2h(env->gdt.base), sizeof(uint64_t) * TARGET_GDT_ENTRIES);
+#elif defined(TARGET_SPARC) || defined(TARGET_PPC)
         cpu_reset(ENV_GET_CPU(new_env));
 #endif
         /* Init regs that differ from the parent.  */

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 9e31ea7..dc80c0a 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8771,7 +8771,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         break;
 #endif
 #endif
-#if defined(CONFIG_EPOLL)
+#if 0 //defined(CONFIG_EPOLL)
 #if defined(TARGET_NR_epoll_create)
     case TARGET_NR_epoll_create:
         ret = get_errno(epoll_create(arg1));