Hi, i tried to get some useful informations out of gdb. but it just gives me this: warning: Can't read pathname for load map: Input/output error. Reading symbols from /lib/libm.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libm.so.6 Reading symbols from /lib/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libz.so.1 Reading symbols from /usr/lib/libasound.so.2... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libasound.so.2 Reading symbols from /usr/lib/libpulse-simple.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpulse-simple.so.0 Reading symbols from /usr/lib/libgnutls.so.26... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libgnutls.so.26 Reading symbols from /lib/libpthread.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/libpthread.so.0 Reading symbols from /lib/librt.so.1... (no debugging symbols found)...done. Loaded symbols for /lib/librt.so.1 Reading symbols from /lib/libutil.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libutil.so.1 Reading symbols from /usr/lib/libX11.so.6... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libX11.so.6 Reading symbols from /usr/lib/libSDL-1.2.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libSDL-1.2.so.0 Reading symbols from /lib/libncurses.so.5... (no debugging symbols found)...done. Loaded symbols for /lib/libncurses.so.5 Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /usr/lib/libpulse.so.0... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libpulse.so.0 Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /usr/lib/libSM.so.6... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libSM.so.6 Reading symbols from /usr/lib/libICE.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libICE.so.6 Reading symbols from /lib/libcap.so.2... (no debugging symbols found)...done. Loaded symbols for /lib/libcap.so.2 Reading symbols from /usr/lib/libgdbm.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgdbm.so.3 Reading symbols from /usr/lib/libtasn1.so.3... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libtasn1.so.3 Reading symbols from /lib/libgcrypt.so.11...(no debugging symbols found)...done. Loaded symbols for /lib/libgcrypt.so.11 Reading symbols from /lib/ld-linux-x86-64.so.2... (no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /usr/lib/libxcb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb.so.1 Reading symbols from /usr/lib/libdirectfb-1.0.so.0... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libdirectfb-1.0.so.0 Reading symbols from /usr/lib/libfusion-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfusion-1.0.so.0 Reading symbols from /usr/lib/libdirect-1.0.so.0... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libdirect-1.0.so.0 Reading symbols from /lib/libuuid.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libuuid.so.1 Reading symbols from /lib/libattr.so.1... (no debugging symbols found)...done. Loaded symbols for /lib/libattr.so.1 Reading symbols from /lib/libgpg-error.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/libgpg-error.so.0 Reading symbols from /usr/lib/libXau.so.6... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /lib/libnss_files.so.2... ---Type <return> to continue, or q <return> to quit--- (no debugging symbols found)...done. Loaded symbols for /lib/libnss_files.so.2 (no debugging symbols found) Core was generated by `kvm -smp 32 /fs2/xen/disk0'. Program terminated with signal 11, Segmentation fault. [New process 4665] [New process 4666] [New process 4674] [New process 4670] [New process 4676] [New process 4678] [New process 4669] [New process 4667] [New process 4677] [New process 4686] [New process 4675] [New process 4672] [New process 4679] [New process 4682] [New process 4673] [New process 4681] [New process 4671] [New process 4683] [New process 4689] [New process 4685] [New process 4668] [New process 4690] [New process 4684] [New process 4691] [New process 4687] [New process 4692] [New process 4693] [New process 4694] [New process 4695] [New process 4696] [New process 4680] [New process 4688] [New process 4697] #0 0x00000000004092ba in ?? () Do i maybe need to compile KVM with some special debug flags? Is there no patch that increases the number of CPUS? Cheers, Cornelius Am Dienstag, den 28.04.2009, 11:41 +0300 schrieb Avi Kivity: > Cornelius Wefelscheid wrote: > > Hi, > > i have the following problem: > > I got a amd opteron server with 32 (4*8) cpus. > > > > Since kvm is only able to created a virtual machine with 16 cpus, i > > changed KVM_MAX_VCPUS, MAX_VCPUS and MAX_CPUS > > as suggested in > > http://www.linux-kvm.org/wiki/images/b/be/KvmForum2008$kdf2008_6.pdf > > > > after compiling everything is shows the right number of maximum cpus in > > the virt-manager, > > but it is still not working. > > > > If i start for example my virtual machine with > > > > kvm -m 4000 -smp 30 disk0.img > > > > i get a segmentation fault. > > in the logfile it looks like that: > > > > [ 4440.424512] __ratelimit: 18 callbacks suppressed > > [ 4440.424523] kvm[7054]: segfault at 1ae5cf6b0 ip 00000000004092ba sp > > 00007fff3dbb8dc0 error 4 in kvm[400000+1e1000] > > > > Any idee what is missing or what is wrong? > > > > > > Get a core dump and look at it with gdb, you'll probably see the problem > immediately. > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
