Hi Vassily, Hi Michael,
* malc schrieb:
> Audio compiled without optimzations which should give meaningful
> backtrace and contents of local variables.
Here it is, (both host and guest had 48kHz capture sample rate). "kvm.real"
is the qemu-kvm binary, version 1.1.1, -O0.
0x00007f18106dfb6e in st_rate_flow (opaque=0x7f1812c40550, ibuf=0x7f1812b41360,
obuf=0x7f1812b6b0e0, isamp=0x7fff8e3fe428, osamp=0x7fff8e3fe42c) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/audio/rate_template.h:73
73 rate->ipos++;
(gdb) info threads
Id Target Id Frame
2 Thread 0x7f1804d1a700 (LWP 2157) "kvm.real" 0x00007f180c833cec in
__lll_lock_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
* 1 Thread 0x7f181055e8e0 (LWP 2156) "kvm.real" 0x00007f18106dfb6e in
st_rate_flow (opaque=0x7f1812c40550, ibuf=0x7f1812b41360, obuf=0x7f1812b6b0e0,
isamp=0x7fff8e3fe428, osamp=0x7fff8e3fe42c) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/audio/rate_template.h:73
(gdb) thread apply all bt full
Thread 2 (Thread 0x7f1804d1a700 (LWP 2157)):
#0 0x00007f180c833cec in __lll_lock_wait () from
/lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1 0x00007f180c82f339 in _L_lock_926 () from
/lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#2 0x00007f180c82f15b in pthread_mutex_lock () from
/lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3 0x00007f181085be4f in qemu_mutex_lock (mutex=0x7f18115d3760) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/qemu-thread-posix.c:54
err = 0
__func__ = "qemu_mutex_lock"
#4 0x00007f18108d95c8 in qemu_mutex_lock_iothread () at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/cpus.c:897
No locals.
#5 0x00007f1810910481 in kvm_cpu_exec (env=0x7f1812a4f520) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/kvm-all.c:1268
run = 0x7f1810654000
ret = 0
run_ret = 0
#6 0x00007f18108d90fc in qemu_kvm_cpu_thread_fn (arg=0x7f1812a4f520) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/cpus.c:752
env = 0x7f1812a4f520
r = 65536
#7 0x00007f180c82cb50 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#8 0x00007f180c57770d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9 0x0000000000000000 in ?? ()
No symbol table info available.
Thread 1 (Thread 0x7f181055e8e0 (LWP 2156)):
#0 0x00007f18106dfb6e in st_rate_flow (opaque=0x7f1812c40550,
ibuf=0x7f1812b41360, obuf=0x7f1812b6b0e0, isamp=0x7fff8e3fe428,
osamp=0x7fff8e3fe42c) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/audio/rate_template.h:73
rate = 0x7f1812c40550
istart = 0x7f1812b1c340
iend = 0x7f1812b46bf0
ostart = 0x7f1812b6b0e0
oend = 0x7f1812b6b3a0
ilast = {l = 22085632, r = 111673344}
icur = {l = -12451840, r = -40763392}
out = {l = 4281343687, r = 139741334659632}
t = 3165658096
#1 0x00007f18106d7e2f in audio_pcm_sw_read (sw=0x7f1812c3f160,
buf=0x7fff8e3fe5a0, size=4096) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/audio/audio.c:952
hw = 0x7f1812c28de0
samples = 1024
live = 15052
ret = 980
swlim = 44
isamp = 10891
osamp = 44
rpos = 0
total = -809300243
src = 0x7f1812b1c340
dst = 0x7f1812b6b0e0
__FUNCTION__ = "audio_pcm_sw_read"
#2 0x00007f18106d5913 in alsa_read (sw=0x7f1812c3f160, buf=0x7fff8e3fe5a0,
size=4096) at /root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/audio/alsaaudio.c:1117
No locals.
#3 0x00007f18106dabbd in AUD_read (sw=0x7f1812c3f160, buf=0x7fff8e3fe5a0,
size=4096) at /root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/audio/audio.c:1173
bytes = 4096
#4 0x00007f18107a59e0 in es1370_transfer_audio (s=0x7f1812acb4a0,
d=0x7f1812acb9b8, loop_sel=32768, max=54560, irq=0x7fff8e3ff5fc) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/hw/es1370.c:803
acquired = 4096
to_copy = 4096
tmpbuf =
"\275\377\306\376d\377\267\375\022\377\311\374\336\376*\374\326\376\370\373\343\376\a\374\372\376-\374\061\377\256\374u\377\212\375\303\377x\376\"\000\240\377\200\000\326\000\264\000\223\001\261\000\256\001\236\000\237\001\225\000\255\001\232\000\277\001\272\000\037\002\307\000A\002\271\000\n\002\331\000n\002\063\001c\003b\001\272\003\023\001\270\002\\\000\312\000\224\377\264\376\002\377\063\375\353\376\372\374\"\377r\375N\377\325\375\203\377`\376\275\377\000\377\336\377o\377\351\377\245\377\364\377\315\377\006\000\005\000\035\000X\000E\000\246\000A\000\201\000\030\000:\000\065\000\247\000\205\000\212\001\253\000\002\002\222\000\312\001j\000a\001T\000-\001;\000\360\000\027\000k\000\a\000\071\000=\000\311\000\203\000b\001\234\000\205\001\207\000C\001`\000\347\000@\000\243\000&\000j\000\003\000\023\000\315\377\221\377\230\377\026\377\227\377\032\377\305\377\262\377\t\000{\000e\000\221\001\361\000\071\003\225\001\t\005\a\002\061\006\034\002e\006\005\002\067\006\r\002I\006\027\002a\006\360\001\375\005\257\001.\005<\001\326\003\177\000\300\001\276\377\242\377Z\377\214\376n\377\301\376\306\377\225\377\030\000M\000J\000\331\000r\000b\001\221\000\302\001\266\000M\002\017\001w\003d\001i\004~"...
addr = 1013239808
sc = 1023
csc = 1023
csc_bytes = 4096
cnt = 13312
size = 16383
left = 12288
transferred = 0
temp = 4096
index = 2
#5 0x00007f18107a5d7f in es1370_run_channel (s=0x7f1812acb4a0, chan=2,
free_or_avail=54560) at /root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/hw/es1370.c:877
new_status = 96
max_bytes = 54560
irq = 32536
d = 0x7f1812acb9b8
b = 0x7f1810cbc090
#6 0x00007f18107a5ebc in es1370_adc_callback (opaque=0x7f1812acb4a0,
avail=54560) at /root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/hw/es1370.c:908
s = 0x7f1812acb4a0
#7 0x00007f18106db802 in audio_run_in (s=0x7f1810d9c6e0) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/audio/audio.c:1487
avail = 54560
sw = 0x7f1812c3f160
captured = 928
---Type <return> to continue, or q <return> to quit---
min = 928
hw = 0x7f1812c28de0
#8 0x00007f18106dbac9 in audio_run (msg=0x7f18109cc2fb "alsa run (running)")
at /root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/audio/audio.c:1546
s = 0x7f1810d9c6e0
#9 0x00007f18106d37e5 in alsa_poll_handler (opaque=0x7f1812c28e68) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/audio/alsaaudio.c:233
err = 0
count = 1
state = SND_PCM_STATE_RUNNING
hlp = 0x7f1812c28e68
revents = 1
#10 0x00007f181074bbcb in qemu_iohandler_poll (readfds=0x7f18111a8da0,
writefds=0x7f18111a8e20, xfds=0x7f18111a8ea0, ret=1) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/iohandler.c:122
pioh = 0x7f1812b099d0
ioh = 0x7f1812c40e40
#11 0x00007f1810827182 in main_loop_wait (nonblocking=0) at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/main-loop.c:497
ret = 1
timeout = 4294967295
#12 0x00007f1810819ee9 in main_loop () at
/root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/vl.c:1566
nonblocking = false
last_io = 1
#13 0x00007f1810820d2e in main (argc=48, argv=0x7fff8e3ffc28,
envp=0x7fff8e3ffdb0) at /root/bug-mp3neu/qemu-kvm-1.1.1+dfsg/vl.c:3702
i = 64
snapshot = 0
linux_boot = 0
icount_option = 0x0
initrd_filename = 0x0
kernel_filename = 0x0
kernel_cmdline = 0x7f18109f3e1a ""
boot_devices = "cad", '\000' <repeats 29 times>
ds = 0x7f1812a690d0
dcl = 0x0
cyls = 0
heads = 0
secs = 0
translation = 0
hda_opts = 0x0
opts = 0x7f1812a38820
machine_opts = 0x7f1812a376a0
olist = 0x7f1810d83de0
optind = 48
optarg = 0x7fff8e401f63
"virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4"
loadvm = 0x0
machine = 0x7f1810d8fc20
cpu_model = 0x0
vga_model = 0x7fff8e401ee0 "cirrus"
pid_file = 0x0
incoming = 0x0
show_vnc_port = 0
defconfig = false
userconfig = true
log_mask = 0x0
log_file = 0x0
mem_trace = {malloc = 0x7f181081d371 <malloc_and_trace>, realloc =
0x7f181081d3c9 <realloc_and_trace>, free = 0x7f181081d430 <free_and_trace>,
calloc = 0, try_malloc = 0, try_realloc = 0}
trace_events = 0x0
trace_file = 0x0
(gdb)
(gdb) p *rate
$1 = {opos = 18446744072177594748, opos_inc = 3892319628, ipos = 3485675637,
ilast = {l = 4718592, r = 11796480}}
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