Comment # 4
on bug 73619
from Alexander Richardson
I recently had another freeze and was able to attach gdb via ssh, this is the
backtrace I got:
Thread 2 (Thread 0x7fca267f1980 (LWP 868)):
#0 0x00007fca247161e7 in ioctl () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1 0x00007fca257e1da4 in drmIoctl (fd=10, request=request@entry=3223348317,
arg=arg@entry=0x7fff56fbe6b0) at xf86drm.c:167
ret = <optimized out>
#2 0x00007fca257e414f in drmCommandWriteRead (fd=<optimized out>,
drmCommandIndex=drmCommandIndex@entry=29, data=""
size=size@entry=32) at xf86drm.c:2451
request = 3223348317
#3 0x00007fca1ff12463 in bo_open (bom=0x1ba44e0, handle=0, size=121397248,
alignment=512, domains=4, flags=0) at radeon_bo_gem.c:108
args = {
size = 121397248,
alignment = 512,
handle = 1737,
initial_domain = 4,
flags = 0
}
bo = 0x2a4f140
r = <optimized out>
#4 0x00007fca20169e08 in radeon_alloc_pixmap_bo (pScrn=pScrn@entry=0x1b9aca0,
width=width@entry=3648, height=height@entry=8172, depth=depth@entry=32,
usage_hint=usage_hint@entry=0, bitsPerPixel=bitsPerPixel@entry=32,
new_pitch=new_pitch@entry=0x7fff56fbf55c,
new_surface=new_surface@entry=0x2ae6600, new_tiling=new_tiling@entry=0x2ae65f8)
at radeon_bo_helper.c:179
info = 0x1b9b3d0
pitch = 14848
base_align = <optimized out>
size = <optimized out>
heighta = <optimized out>
cpp = 4
tiling = 0
surface = {
npix_x = 3648,
npix_y = 8176,
npix_z = 1,
blk_w = 1,
blk_h = 1,
blk_d = 1,
array_size = 1,
last_level = 0,
bpe = 4,
nsamples = 1,
flags = 1114113,
bo_size = 121397248,
bo_alignment = 512,
bankw = 0,
bankh = 0,
mtilea = 0,
tile_split = 0,
stencil_tile_split = 0,
stencil_offset = 0,
level = {{
offset = 0,
slice_size = 121397248,
npix_x = 3648,
npix_y = 8176,
npix_z = 1,
nblk_x = 3712,
nblk_y = 8176,
nblk_z = 1,
pitch_bytes = 14848,
mode = 0
}, {
offset = 0,
slice_size = 0,
npix_x = 0,
npix_y = 0,
npix_z = 0,
nblk_x = 0,
nblk_y = 0,
nblk_z = 0,
pitch_bytes = 0,
mode = 0
} <repeats 31 times>},
stencil_level = {{
offset = 0,
slice_size = 0,
npix_x = 0,
npix_y = 0,
npix_z = 0,
nblk_x = 0,
nblk_y = 0,
nblk_z = 0,
pitch_bytes = 0,
mode = 0
} <repeats 32 times>},
tiling_index = {0 <repeats 32 times>},
stencil_tiling_index = {0 <repeats 32 times>}
}
bo = <optimized out>
domain = 4
#5 0x00007fca2013c527 in RADEONEXACreatePixmap2 (pScreen=<optimized out>,
width=3648, height=8172, depth=32, usage_hint=0, bitsPerPixel=32,
new_pitch=0x7fff56fbf55c) at radeon_exa.c:289
pScrn = 0x1b9aca0
info = <optimized out>
new_priv = 0x2ae65f0
#6 0x00007fca1fd00068 in exaCreateDriverPixmap_mixed (pPixmap=0x2da61c0) at
exa_migration_mixed.c:61
new_pitch = 0
pScreen = 0x1ba3b20
w = <optimized out>
h = 8172
depth = <optimized out>
bpp = <optimized out>
usage_hint = 0
paddedWidth = 14592
#7 0x00007fca1fd002b0 in exaDoMigration_mixed (pixmaps=0x7fff56fbf660,
npixmaps=-1071618979, can_accel=535884672) at exa_migration_mixed.c:104
pPixmap = 0x2da61c0
#8 0x00007fca1fd00dd4 in exaDoPutImage (depth=32, src_stride=14592,
bits=0x36b7dc8 "", format=2, h=17, w=3648, y=0, x=0, pGC=0x20cc090,
pDrawable=0x2da61c0) at exa_accel.c:179
pixmaps = {{
as_dst = 1,
as_src = 0,
pPix = 0x2da61c0,
pReg = 0x58
}}
nbox = <optimized out>
pPix = <optimized out>
xoff = 0
ret = 1
pClip = <optimized out>
pbox = <optimized out>
yoff = 1
bpp = 32
#9 exaPutImage (pDrawable=0x2da61c0, pGC=0x20cc090, depth=32, x=0, y=0,
w=3648, h=17, leftPad=0, format=2, bits=0x36b7dc8 "") at exa_accel.c:233
No locals.
#10 0x0000000000519819 in damagePutImage (pDrawable=0x2da61c0, pGC=0x20cc090,
depth=32, x=0, y=0, w=<optimized out>, h=17, leftPad=0, format=2,
pImage=0x36b7dc8 "") at damage.c:736
oldFuncs = 0x8162c0 <damageGCFuncs>
#11 0x000000000043a189 in ProcPutImage (client=0x2a4d3f0) at dispatch.c:1968
pGC = 0x20cc090
pDraw = 0x2da61c0
length = <optimized out>
lengthProto = <optimized out>
tmpImage = 0x36b7dc8 ""
stuff = 0x36b7db0
#12 0x000000000043d23e in Dispatch () at dispatch.c:433
clientReady = 0x1f600c0
result = <optimized out>
client = 0x2a4d3f0
nready = 0
icheck = 0x820590 <checkForInput>
start_tick = 178795
#13 0x000000000044106a in dix_main (argc=8, argv=0x7fff56fbf948,
envp=<optimized out>) at main.c:294
i = <optimized out>
alwaysCheckForInput = {0, 1}
#14 0x00007fca24657be5 in __libc_start_main (main=0x42c5d0 <main>, argc=8,
argv=0x7fff56fbf948, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff56fbf938) at libc-start.c:269
result = <optimized out>
unwind_buf = {
cancel_jmp_buf = {{
jmp_buf = {0, -524547331697071748, 4376024, 140734652741952, 0,
0, 524320866477091196, 516830052716587388},
mask_was_saved = 0
}},
priv = {
pad = {0x0, 0x0, 0x59b9b0 <__libc_csu_init>, 0x7fff56fbf948},
data = {
prev = 0x0,
cleanup = 0x0,
canceltype = 5880240
}
}
}
not_first_call = <optimized out>
#15 0x000000000042c601 in _start () at ../sysdeps/x86_64/start.S:122
No locals.
Thread 1 (Thread 0x7fca19dfe700 (LWP 883)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1 0x00007fca1f515ec3 in ?? () from /usr/lib64/dri/r600_dri.so
No symbol table info available.
#2 0x00007fca1f515807 in ?? () from /usr/lib64/dri/r600_dri.so
No symbol table info available.
#3 0x00007fca259f20db in start_thread (arg=0x7fca19dfe700) at
pthread_create.c:309
__res = <optimized out>
pd = 0x7fca19dfe700
now = <optimized out>
unwind_buf = {
cancel_jmp_buf = {{
jmp_buf = {140505994225408, -524547331697071748, 0,
140506206253056, 140506085630131, 140505994225408, 516890606489905532,
516829586942404988},
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>
__PRETTY_FUNCTION__ = "start_thread"
#4 0x00007fca2471d90d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
Looks like it is somehow freezing when calling the DRM_RADEON_GEM_CREATE ioctl,
but maybe gdb attaching causes the freeze to end and this is just afterwards.
Hope it is of some use.
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