From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valtteri Kiviniemi Subject: Re: Latest pv_ops (2.6.30-rc3) and xen-unstable Date: Thu, 07 May 2009 21:47:12 +0300 Message-ID: <4A032CB0.1060803@dataproof.fi> References: <49FFD4C1.9070803@dataproof.fi> <4A00ACEB.1070904@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4A00ACEB.1070904@goop.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jeremy Fitzhardinge Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Hi, Yeah, so it seems to be: root@sm:/# strace xentop execve("/usr/sbin/xentop", ["xentop"], [/* 19 vars */]) = 0 brk(0) = 0x608000 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f956d680000 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f956d67e000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat(3, {st_mode=S_IFREG|0644, st_size=29661, ...}) = 0 mmap(NULL, 29661, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f956d676000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/tls/x86_64/libxenstore.so.3.0", O_RDONLY) = -1 ENOENT (No such file or directory) stat("/lib/tls/x86_64", 0x7fff75681320) = -1 ENOENT (No such file or directory) open("/lib/tls/libxenstore.so.3.0", O_RDONLY) = -1 ENOENT (No such file or directory) stat("/lib/tls", 0x7fff75681320) = -1 ENOENT (No such file or directory) open("/lib/x86_64/libxenstore.so.3.0", O_RDONLY) = -1 ENOENT (No such file or directory) stat("/lib/x86_64", 0x7fff75681320) = -1 ENOENT (No such file or directory) open("/lib/libxenstore.so.3.0", O_RDONLY) = -1 ENOENT (No such file or directory) stat("/lib", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 open("/usr/lib/tls/x86_64/libxenstore.so.3.0", O_RDONLY) = -1 ENOENT (No such file or directory) stat("/usr/lib/tls/x86_64", 0x7fff75681320) = -1 ENOENT (No such file or directory) open("/usr/lib/tls/libxenstore.so.3.0", O_RDONLY) = -1 ENOENT (No such file or directory) stat("/usr/lib/tls", 0x7fff75681320) = -1 ENOENT (No such file or directory) open("/usr/lib/x86_64/libxenstore.so.3.0", O_RDONLY) = -1 ENOENT (No such file or directory) stat("/usr/lib/x86_64", 0x7fff75681320) = -1 ENOENT (No such file or directory) open("/usr/lib/libxenstore.so.3.0", O_RDONLY) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\34\0\0\0\0\0\0@"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0755, st_size=28504, ...}) = 0 mmap(NULL, 2128584, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f956d25e000 mprotect(0x7f956d263000, 2093056, PROT_NONE) = 0 mmap(0x7f956d462000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7f956d462000 mmap(0x7f956d463000, 10952, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f956d463000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libxenctrl.so.3.4", O_RDONLY) = -1 ENOENT (No such file or directory) open("/usr/lib/libxenctrl.so.3.4", O_RDONLY) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0PI\0\0\0\0\0\0@"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0755, st_size=107351, ...}) = 0 mmap(NULL, 2354144, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f956d01f000 mprotect(0x7f956d034000, 2097152, PROT_NONE) = 0 mmap(0x7f956d234000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7f956d234000 mmap(0x7f956d235000, 166880, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f956d235000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libncurses.so.5", O_RDONLY) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320%\1\0\0\0\0\0@"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0644, st_size=256288, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f956d675000 mmap(NULL, 2353152, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f956cde0000 mprotect(0x7f956ce1b000, 2093056, PROT_NONE) = 0 mmap(0x7f956d01a000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3a000) = 0x7f956d01a000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\342\1\0\0\0\0\0@"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0755, st_size=1375536, ...}) = 0 mmap(NULL, 3482232, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f956ca8d000 mprotect(0x7f956cbd7000, 2093056, PROT_NONE) = 0 mmap(0x7f956cdd6000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x149000) = 0x7f956cdd6000 mmap(0x7f956cddb000, 17016, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f956cddb000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libpthread.so.0", O_RDONLY) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320W\0\0\0\0\0\0@"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0755, st_size=130114, ...}) = 0 mmap(NULL, 2208624, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f956c871000 mprotect(0x7f956c887000, 2097152, PROT_NONE) = 0 mmap(0x7f956ca87000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x7f956ca87000 mmap(0x7f956ca89000, 13168, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f956ca89000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libdl.so.2", O_RDONLY) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\16\0\0\0\0\0\0@"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0644, st_size=14616, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f956d674000 mmap(NULL, 2109728, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f956c66d000 mprotect(0x7f956c66f000, 2097152, PROT_NONE) = 0 mmap(0x7f956c86f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f956c86f000 close(3) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f956d673000 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f956d672000 arch_prctl(ARCH_SET_FS, 0x7f956d6726e0) = 0 mprotect(0x7f956cdd6000, 12288, PROT_READ) = 0 munmap(0x7f956d676000, 29661) = 0 set_tid_address(0x7f956d672770) = 4096 set_robust_list(0x7f956d672780, 0x18) = 0 futex(0x7fff75681e0c, FUTEX_WAKE_PRIVATE, 1) = 0 rt_sigaction(SIGRTMIN, {0x7f956c876660, [], SA_RESTORER|SA_SIGINFO, 0x7f956c87fa80}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {0x7f956c8766f0, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7f956c87fa80}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0 brk(0) = 0x608000 brk(0x629000) = 0x629000 open("/proc/xen/privcmd", O_RDWR) = 3 fcntl(3, F_GETFD) = 0 fcntl(3, F_SETFD, FD_CLOEXEC) = 0 stat("/var/run/xenstored/socket_ro", {st_mode=S_IFSOCK|0660, st_size=0, ...}) = 0 socket(PF_FILE, SOCK_STREAM, 0) = 4 fcntl(4, F_GETFD) = 0 fcntl(4, F_SETFD, FD_CLOEXEC) = 0 connect(4, {sa_family=AF_FILE, path="/var/run/xenstored/socket_ro"...}, 110) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 stat("/home/toor/.terminfo", 0x7fff75680a40) = -1 ENOENT (No such file or directory) stat("/etc/terminfo", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 access("/etc/terminfo/x/xterm", R_OK) = -1 ENOENT (No such file or directory) stat("/lib/terminfo", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 access("/lib/terminfo/x/xterm", R_OK) = 0 open("/lib/terminfo/x/xterm", O_RDONLY) = 5 read(5, "\32\1\34\0\35\0\17\0\235\1&\5xterm|X11 terminal em"..., 4097) = 2244 close(5) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, TIOCGWINSZ, {ws_row=61, ws_col=158, ws_xpixel=0, ws_ypixel=0}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, TIOCGWINSZ, {ws_row=61, ws_col=158, ws_xpixel=0, ws_ypixel=0}) = 0 brk(0x64a000) = 0x64a000 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, SNDCTL_TMR_STOP or TCSETSW, {B38400 opost isig -icanon echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon echo ...}) = 0 ioctl(1, SNDCTL_TMR_STOP or TCSETSW, {B38400 opost isig -icanon -echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon -echo ...}) = 0 rt_sigaction(SIGTSTP, NULL, {SIG_DFL}, 8) = 0 rt_sigaction(SIGTSTP, {0x7f956ce001f0, [], SA_RESTORER|SA_RESTART, 0x7f956cabef60}, NULL, 8) = 0 rt_sigaction(SIGINT, NULL, {SIG_DFL}, 8) = 0 rt_sigaction(SIGINT, {0x7f956ce00100, [], SA_RESTORER|SA_RESTART, 0x7f956cabef60}, NULL, 8) = 0 rt_sigaction(SIGTERM, NULL, {SIG_DFL}, 8) = 0 rt_sigaction(SIGTERM, {0x7f956ce00100, [], SA_RESTORER|SA_RESTART, 0x7f956cabef60}, NULL, 8) = 0 rt_sigaction(SIGWINCH, NULL, {SIG_DFL}, 8) = 0 rt_sigaction(SIGWINCH, {0x7f956cdffef0, [], SA_RESTORER, 0x7f956cabef60}, NULL, 8) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon -echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon -echo ...}) = 0 ioctl(1, SNDCTL_TMR_STOP or TCSETSW, {B38400 opost isig -icanon -echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon -echo ...}) = 0 ) = 37 write(1, "\33[?1049h\33[1;61r\33[m\33(B\33[4l\33[?7h\33[3"..., 45 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon -echo ...}) = 0 ioctl(1, SNDCTL_TMR_STOP or TCSETSW, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 write(2, "Failed to retrieve statistics fro"..., 46Failed to retrieve statistics from libxenstat ) = 46 close(5) = 0 munmap(0x7f956d67d000, 4096) = 0 close(3) = 0 close(4) = 0 exit_group(1) = ? - Valtteri Kiviniemi Jeremy Fitzhardinge kirjoitti: > Valtteri Kiviniemi wrote: >> Hi, >> >> I am testing the latest pv_ops kernel with xen-unstable. With a quick >> test run I got everything working except xentop (all the domUs start >> up with no problem.) >> >> xentop gives this warning: >> >> root@sm:/# xentop >> Failed to retrieve statistics from libxenstat >> >> and dmesg: >> >> xenbus_probe wake_waiting >> xenbus_probe wake_waiting >> XENBUS: Unable to read cpu state >> XENBUS: Unable to read cpu state >> XENBUS: Unable to read cpu state >> XENBUS: Unable to read cpu state >> XENBUS: Unable to read cpu state >> XENBUS: Unable to read cpu state >> XENBUS: Unable to read cpu state >> XENBUS: Unable to read cpu state >> xenbus_probe_devices backend >> xenbus_probe_devices failed xenbus_directory >> backend_probe_and_watch devices probed ok >> backend_probe_and_watch watch add ok ok >> backend_probe_and_watch all done >> xenbus_probe_devices device >> xenbus_probe_devices failed xenbus_directory >> frontend_probe_and_watch devices probed ok >> frontend_probe_and_watch watch add ok ok >> frontend_probe_and_watch all done >> >> /proc/xen is mounted. >> >> What could be the problem? > > I'm guessing that whatever file it uses for statistics hasn't been > implemented yet. Could you have a look at tracking down what files it > wants to use (strace might be a good start). > > J > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel