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Re: [Qemu-devel] WG: [ovirt-users] Segmentation fault in libtcmalloc
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From: |
Grundmann, Christian |
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Subject: |
Re: [Qemu-devel] WG: [ovirt-users] Segmentation fault in libtcmalloc |
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Date: |
Thu, 3 Dec 2015 09:07:33 +0000 |
Hi,
qemu-img-ev-2.3.0-29.1.el7.x86_64
libvirt-daemon-driver-qemu-1.2.8-16.el7_1.4.x86_64
qemu-kvm-ev-2.3.0-29.1.el7.x86_64
qemu-kvm-common-ev-2.3.0-29.1.el7.x86_64
ipxe-roms-qemu-20130517-7.gitc4bce43.el7.noarch
qemu-kvm-tools-ev-2.3.0-29.1.el7.x86_64
it seems pc-i440fx-rhel7.2.0 is the default for ovirt 3.6
I tried using only virtio-scsi disk but the VM wont boot (not bootable device)
so i used IDE for the boot disk.
Thx Christian
-----Ursprüngliche Nachricht-----
Von: Dr. David Alan Gilbert [mailto:address@hidden
Gesendet: Donnerstag, 03. Dezember 2015 10:04
An: Grundmann, Christian <address@hidden>
Cc: 'Paolo Bonzini' <address@hidden>; 'address@hidden' <address@hidden>;
address@hidden
Betreff: Re: AW: WG: [ovirt-users] Segmentation fault in libtcmalloc
* Grundmann, Christian (address@hidden) wrote:
> Hi again,
> got a Segfault today without virtio :-( (one IDE Disk and one
> virtio-scsi)
>
> Core was generated by `/usr/libexec/qemu-kvm -name vmname -S -machine
> pc-i440fx-rhel7.2.0,accel='.
Can you confirm the package version you were using; if you're running the
pc-i440fx-rhel7.2.0 machine type it must be pretty new.
Dave
> Program terminated with signal 11, Segmentation fault.
> #0 0x00007fb299cbd3ab in
> tcmalloc::ThreadCache::ReleaseToCentralCache(tcmalloc::ThreadCache::Fr
> eeList*, unsigned long, int) () from /lib64/libtcmalloc.so.4
>
> Thread 6 (Thread 0x7fb28d0c5700 (LWP 29423)):
> #0 0x00007fb29cc85ac3 in pread64 () at
> ../sysdeps/unix/syscall-template.S:81
> No locals.
> #1 0x00007fb29e37c2a3 in pread (__offset=<optimized out>,
> __nbytes=<optimized out>, __buf=0x7fb2a3e21a00, __fd=<optimized out>) at
> /usr/include/bits/unistd.h:99 No locals.
> #2 handle_aiocb_rw_linear (address@hidden, address@hidden "QF", <incomplete
> sequence \373>) at block/raw-posix.c:909
> offset = 0
> len = <optimized out>
> #3 0x00007fb29e37c3d1 in handle_aiocb_rw (aiocb=0x7fb2a1474340) at
> block/raw-posix.c:992
> nbytes = <optimized out>
> buf = 0x7fb2a3e21a00 "QF", <incomplete sequence \373>
> __PRETTY_FUNCTION__ = "handle_aiocb_rw"
> #4 0x00007fb29e37d945 in aio_worker (arg=0x7fb2a1474340) at
> block/raw-posix.c:1204
> aiocb = 0x7fb2a1474340
> ret = 0
> #5 0x00007fb29e33d91b in worker_thread (opaque=0x7fb2a148d450) at
> thread-pool.c:105
> req = 0x7fb2a1474b30
> ret = <optimized out>
> pool = 0x7fb2a148d450
> #6 0x00007fb29cc7edf5 in start_thread (arg=0x7fb28d0c5700) at
> pthread_create.c:308
> __res = <optimized out>
> pd = 0x7fb28d0c5700
> now = <optimized out>
> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140404847302400,
> -4522449750849005939, 0, 140404847303104, 140404847302400, 26,
> 4492373549408278157, 4492409237274449549}, mask_was_saved = 0}}, priv = {pad
> = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
> not_first_call = <optimized out>
> pagesize_m1 = <optimized out>
> sp = <optimized out>
> freesize = <optimized out>
> #7 0x00007fb29688c1ad in clone () at
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
> No locals.
>
> Thread 5 (Thread 0x7fb104fff700 (LWP 29084)):
> #0 0x00007fb296881b7d in poll () at
> ../sysdeps/unix/syscall-template.S:81
> No locals.
> #1 0x00007fb2977d6fe7 in red_worker_main () from
> /lib64/libspice-server.so.1 No symbol table info available.
> #2 0x00007fb29cc7edf5 in start_thread (arg=0x7fb104fff700) at
> pthread_create.c:308
> __res = <optimized out>
> pd = 0x7fb104fff700
> now = <optimized out>
> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140398269822720,
> -4522449750849005939, 0, 140398269823424, 140398269822720, 140405245697216,
> 4494326442046740109, 4492409237274449549}, mask_was_saved = 0}}, priv = {pad
> = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
> not_first_call = <optimized out>
> pagesize_m1 = <optimized out>
> sp = <optimized out>
> freesize = <optimized out>
> #3 0x00007fb29688c1ad in clone () at
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
> No locals.
>
> Thread 4 (Thread 0x7fb28c8c4700 (LWP 29081)):
> #0 pthread_cond_wait@@GLIBC_2.3.2 () at
> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
> No locals.
> #1 0x00007fb29e3b9f79 in qemu_cond_wait (cond=<optimized out>,
> address@hidden <qemu_global_mutex>) at util/qemu-thread-posix.c:132
> err = <optimized out>
> __func__ = "qemu_cond_wait"
> #2 0x00007fb29e172d3b in qemu_kvm_wait_io_event (cpu=<optimized out>)
> at /usr/src/debug/qemu-2.3.0/cpus.c:912
> No locals.
> #3 qemu_kvm_cpu_thread_fn (arg=0x7fb2a3d2e000) at
> /usr/src/debug/qemu-2.3.0/cpus.c:949
> cpu = 0x7fb2a3d2e000
> r = <optimized out>
> #4 0x00007fb29cc7edf5 in start_thread (arg=0x7fb28c8c4700) at
> pthread_create.c:308
> __res = <optimized out>
> pd = 0x7fb28c8c4700
> now = <optimized out>
> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140404838909696,
> -4522449750849005939, 0, 140404838910400, 140404838909696, 140735272359936,
> 4492374652678002317, 4492409237274449549}, mask_was_saved = 0}}, priv = {pad
> = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
> not_first_call = <optimized out>
> pagesize_m1 = <optimized out>
> sp = <optimized out>
> freesize = <optimized out>
> #5 0x00007fb29688c1ad in clone () at
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
> No locals.
>
> Thread 3 (Thread 0x7fb28c0c3700 (LWP 29082)):
> #0 pthread_cond_wait@@GLIBC_2.3.2 () at
> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
> No locals.
> #1 0x00007fb29e3b9f79 in qemu_cond_wait (cond=<optimized out>,
> address@hidden <qemu_global_mutex>) at util/qemu-thread-posix.c:132
> err = <optimized out>
> __func__ = "qemu_cond_wait"
> #2 0x00007fb29e172d3b in qemu_kvm_wait_io_event (cpu=<optimized out>)
> at /usr/src/debug/qemu-2.3.0/cpus.c:912
> No locals.
> #3 qemu_kvm_cpu_thread_fn (arg=0x7fb2a3d7e000) at
> /usr/src/debug/qemu-2.3.0/cpus.c:949
> cpu = 0x7fb2a3d7e000
> r = <optimized out>
> #4 0x00007fb29cc7edf5 in start_thread (arg=0x7fb28c0c3700) at
> pthread_create.c:308
> __res = <optimized out>
> pd = 0x7fb28c0c3700
> now = <optimized out>
> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140404830516992,
> -4522449750849005939, 0, 140404830517696, 140404830516992, 140735272359936,
> 4492375751652759181, 4492409237274449549}, mask_was_saved = 0}}, priv = {pad
> = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
> not_first_call = <optimized out>
> pagesize_m1 = <optimized out>
> sp = <optimized out>
> freesize = <optimized out>
> #5 0x00007fb29688c1ad in clone () at
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
> No locals.
>
> Thread 2 (Thread 0x7fb28e6ad700 (LWP 29077)):
> #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
> No locals.
> #1 0x00007fb29e3ba272 in futex_wait (val=4294967295,
> ev=0x7fb29ec84f44 <rcu_call_ready_event>) at util/qemu-thread-posix.c:301 No
> locals.
> #2 qemu_event_wait (address@hidden <rcu_call_ready_event>) at
> util/qemu-thread-posix.c:399
> value = <optimized out>
> #3 0x00007fb29e3c8526 in call_rcu_thread (opaque=<optimized out>) at
> util/rcu.c:233
> tries = 0
> n = <optimized out>
> node = <optimized out>
> #4 0x00007fb29cc7edf5 in start_thread (arg=0x7fb28e6ad700) at
> pthread_create.c:308
> __res = <optimized out>
> pd = 0x7fb28e6ad700
> now = <optimized out>
> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140404870272768,
> -4522449750849005939, 0, 140404870273472, 140404870272768, 140405136150080,
> 4492370572995942029, 4492409237274449549}, mask_was_saved = 0}}, priv = {pad
> = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
> not_first_call = <optimized out>
> pagesize_m1 = <optimized out>
> sp = <optimized out>
> freesize = <optimized out>
> #5 0x00007fb29688c1ad in clone () at
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
> No locals.
>
> Thread 1 (Thread 0x7fb29e07cc00 (LWP 29076)):
> #0 0x00007fb299cbd3ab in
> tcmalloc::ThreadCache::ReleaseToCentralCache(tcmalloc::ThreadCache::FreeList*,
> unsigned long, int) () from /lib64/libtcmalloc.so.4 No symbol table info
> available.
> #1 0x00007fb299cbd47b in
> tcmalloc::ThreadCache::ListTooLong(tcmalloc::ThreadCache::FreeList*, unsigned
> long) () from /lib64/libtcmalloc.so.4 No symbol table info available.
> #2 0x00007fb299ccc070 in tc_free () from /lib64/libtcmalloc.so.4 No
> symbol table info available.
> #3 0x00007fb29c58d58f in g_free () from /lib64/libglib-2.0.so.0 No
> symbol table info available.
> #4 0x00007fb29e3b7721 in parser_context_free (ctxt=0x7fb2a531e0c0) at
> qobject/json-parser.c:358
> i = <optimized out>
> #5 json_parser_parse_err (tokens=<optimized out>, address@hidden,
> address@hidden) at qobject/json-parser.c:710
> result = 0x7fb2a4bdf600
> #6 0x00007fb29e3b7767 in json_parser_parse (tokens=<optimized out>,
> address@hidden) at qobject/json-parser.c:694 No locals.
> #7 0x00007fb29e176e04 in handle_qmp_command (parser=<optimized out>,
> tokens=<optimized out>) at /usr/src/debug/qemu-2.3.0/monitor.c:5068
> err = <optimized out>
> obj = <optimized out>
> input = 0x0
> args = 0x0
> cmd_name = <optimized out>
> mon = 0x7fb2a153e140
> #8 0x00007fb29e3b64f2 in json_message_process_token (lexer=0x7fb2a1460040,
> token=0x7fb2a1424880, type=JSON_OPERATOR, x=49, y=104) at
> qobject/json-streamer.c:87
> parser = 0x7fb2a1460038
> dict = 0x7fb2a3e27200
> #9 0x00007fb29e3c891f in json_lexer_feed_char (address@hidden, ch=<optimized
> out>, address@hidden) at qobject/json-lexer.c:303
> new_state = 100
> #10 0x00007fb29e3c89ee in json_lexer_feed (lexer=0x7fb2a1460040,
> buffer=<optimized out>, size=<optimized out>) at qobject/json-lexer.c:356
> err = <optimized out>
> i = <optimized out>
> #11 0x00007fb29e3b6689 in json_message_parser_feed (parser=<optimized
> out>, buffer=<optimized out>, size=<optimized out>) at
> qobject/json-streamer.c:110 No locals.
> #12 0x00007fb29e1758cf in monitor_control_read (opaque=<optimized out>,
> buf=<optimized out>, size=<optimized out>) at
> /usr/src/debug/qemu-2.3.0/monitor.c:5134
> old_mon = 0x0
> #13 0x00007fb29e2321b0 in qemu_chr_be_write (len=<optimized out>,
> buf=0x7fff7bea8a30 "}\212\352{\377\177", s=0x7fb2a14442e0) at qemu-char.c:305
> No locals.
> #14 tcp_chr_read (chan=<optimized out>, cond=<optimized out>,
> opaque=0x7fb2a14442e0) at qemu-char.c:2870
> chr = 0x7fb2a14442e0
> s = 0x7fb2a14363f0
> buf =
> "}\212\352{\377\177\000\000\360`;\236\262\177\000\000\030\003\000\000\000\000\000\000\205N;\236\262\177\000\000\240LB\241\262\177\000\000\263E;\236\262\177\000\000\240LB\241\262\177",
> '\000' <repeats 18 times>, "address@hidden"...
> len = <optimized out>
> size = <optimized out>
> #15 0x00007fb29c58799a in g_main_context_dispatch () from
> /lib64/libglib-2.0.so.0 No symbol table info available.
> #16 0x00007fb29e34b288 in glib_pollfds_poll () at main-loop.c:209
> context = 0x7fb2a1491140
> pfds = <optimized out>
> #17 os_host_main_loop_wait (timeout=<optimized out>) at main-loop.c:254
> ret = 2
> spin_counter = 0
> #18 main_loop_wait (nonblocking=<optimized out>) at main-loop.c:503
> ret = 2
> timeout = 4294967295
> timeout_ns = <optimized out>
> #19 0x00007fb29e14aa4e in main_loop () at vl.c:1818
> nonblocking = <optimized out>
> last_io = 2
> #20 main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>)
> at vl.c:4394
> i = <optimized out>
> snapshot = <optimized out>
> linux_boot = <optimized out>
> initrd_filename = <optimized out>
> kernel_filename = <optimized out>
> kernel_cmdline = <optimized out>
> boot_order = 0x7fb29e3dda67 "cad"
> boot_once = 0x0
> cyls = <optimized out>
> heads = <optimized out>
> secs = <optimized out>
> translation = <optimized out>
> hda_opts = <optimized out>
> opts = <optimized out>
> machine_opts = <optimized out>
> icount_opts = <optimized out>
> olist = <optimized out>
> optind = 78
> optarg = 0x7fb2a14ef8c0 "pc-i440fx-rhel7.2.0"
> loadvm = <optimized out>
> machine_class = <optimized out>
> cpu_model = <optimized out>
> vga_model = 0x0
> qtest_chrdev = <optimized out>
> qtest_log = <optimized out>
> pid_file = <optimized out>
> incoming = <optimized out>
> show_vnc_port = <optimized out>
> defconfig = <optimized out>
> userconfig = 111
> log_mask = <optimized out>
> log_file = <optimized out>
> mem_trace = {malloc = 0x7fb29e238480 <malloc_and_trace>, realloc =
> 0x7fb29e238460 <realloc_and_trace>, free = 0x7fb29e238450 <free_and_trace>,
> calloc = 0x0, try_malloc = 0x0, try_realloc = 0x0}
> trace_events = <optimized out>
> trace_file = <optimized out>
> maxram_size = <optimized out>
> ram_slots = <optimized out>
> vmstate_dump_file = <optimized out>
> main_loop_err = 0x0
> __func__ = "main"
>
>
>
>
> -----Ursprüngliche Nachricht-----
> Von: Paolo Bonzini [mailto:address@hidden Im Auftrag von
> Paolo Bonzini
> Gesendet: Donnerstag, 19. November 2015 18:02
> An: Grundmann, Christian <address@hidden>; 'Dr.
> David Alan Gilbert' <address@hidden>
> Cc: 'address@hidden' <address@hidden>;
> address@hidden
> Betreff: Re: WG: [ovirt-users] Segmentation fault in libtcmalloc
>
>
>
> On 19/11/2015 17:00, Grundmann, Christian wrote:
> > Hi, it seems that using virtio-scsi did the trick, But now the VMs
> > are pausing without an coredump, so the underlying Problem (no
> > storage
> > Error) is not fixed, As I am using Snapshots (and so the disks have
> > to grow very fast) I try if tuning "volume_utilization_percent" and
> > "volume_utilization_chunk_mb" will help
> > (https://access.redhat.com/solutions/130843)
>
> The fix for virtio-blk is probably this patch:
> http://article.gmane.org/gmane.comp.emulators.qemu.block/6380/raw
>
> Paolo
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK