[Xcb] _XReply stuck in xcb_wait_for_reply64

[Marius Cirsta]

#0  0x00007fc37f1673dd in poll () from /lib/libc.so.6
#1  0x00007fc38311d1e0 in _xcb_conn_wait (c=c at entry=0x2584af0,
cond=cond at entry=0x7ffe6ac997f0, vector=vector at entry=0x0,
count=count at entry=0x0) at xcb_conn.c:479
#2  0x00007fc38311ebdf in wait_for_reply (c=c at entry=0x2584af0,
request=request at entry=65199, e=e at entry=0x7ffe6ac998b8) at xcb_in.c:516
#3  0x00007fc38311ed31 in xcb_wait_for_reply64 (c=0x2584af0,
request=65199, e=0x7ffe6ac998b8) at xcb_in.c:560
#4  0x00007fc3833842e8 in _XReply (dpy=0x25838a0, rep=0x7ffe6ac99960,
extra=0, discard=0) at xcb_io.c:596
#5  0x00007fc37bf1b772 in DRI2GetBuffersWithFormat (dpy=0x25838a0,
drawable=37748763, width=width at entry=0x4f54578,
height=height at entry=0x4f5457c, attachments=0x7ffe6ac99af0, count=1,
outCount=0x7ffe6ac99ad0) at dri2.c:491
#6  0x00007fc37bf1ba97 in dri2GetBuffersWithFormat
(driDrawable=<optimized out>, width=0x4f54578, height=0x4f5457c,
attachments=<optimized out>, count=<optimized out>,
out_count=0x7ffe6ac99ad0, loaderPrivate=0x5260100) at dri2_glx.c:894
#7  0x00007fc358d6ac20 in dri2_drawable_get_buffers (count=<synthetic
pointer>, atts=0x41f3338, drawable=0x438fbe0) at dri2.c:285
#8  dri2_allocate_textures (ctx=0x25a7270, drawable=0x438fbe0,
statts=0x41f3338, statts_count=2) at dri2.c:480
#9  0x00007fc358d63d94 in dri_st_framebuffer_validate
(stctx=<optimized out>, stfbi=<optimized out>, statts=0x41f3338,
count=2, out=0x7ffe6ac99c60) at dri_drawable.c:83
#10 0x00007fc358c3948c in st_framebuffer_validate (stfb=0x41f2ed0,
st=st at entry=0x2d1f250) at state_tracker/st_manager.c:202
#11 0x00007fc358c3a7de in st_api_make_current (stapi=<optimized out>,
stctxi=0x2d1f250, stdrawi=0x438fbe0, streadi=0x438fbe0) at
state_tracker/st_manager.c:781
#12 0x00007fc358d636a1 in dri_make_current (cPriv=<optimized out>,
driDrawPriv=0x4f54550, driReadPriv=0x4f54550) at dri_context.c:245
#13 0x00007fc358d62606 in driBindContext (pcp=<optimized out>,
pdp=<optimized out>, prp=<optimized out>) at dri_util.c:553
#14 0x00007fc37bf1d41b in dri2_bind_context (context=0x25a4350,
old=<optimized out>, draw=37748763, read=37748763) at dri2_glx.c:154
#15 0x00007fc37bef7b67 in MakeContextCurrent (dpy=0x25838a0,
draw=37748763, read=37748763, gc_user=0x25a4350) at glxcurrent.c:228
#16 0x00007fc3849763d8 in ?? () from
/usr/lib/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#17 0x00007fc37fd63870 in QOpenGLContext::makeCurrent(QSurface*) ()
from /usr/lib/libQt5Gui.so.5
#18 0x00007fc3829d1860 in ?? () from /usr/lib/libQt5Quick.so.5

Also mesa is at 13.0.2 and kernel is  4.8.10. Video card is an AMD
HD5670 which as far as I know is not faulty ( doesn't show any signs
of screen corruption or problems in Windows ).
 I have to do some stuff to recreate this but I'm able to consistently
recreate it.

On Thu, Dec 1, 2016 at 3:42 AM, Michel Dänzer <michel at daenzer.net> wrote:
> On 01/12/16 07:50 AM, Marius Cirsta wrote:
>> Hello,
>>
>> I have a problem that came once I upgraded my Linux OS ( less known
>> one called Fruglware OS ).
>> For some reason with libxcb 1.12  libx11 1.6.4 I'm having this weird
>> freeze in plasmashell:
>>
>> #0  0x00007fc2cf9cd3e1 in poll () from /lib/libc.so.6
>> #1  0x00007fc2d39831e0 in _xcb_conn_wait (c=c at entry=0x117aaf0,
>> cond=cond at entry=0x7fff869b5cd0, vector=vector at entry=0x0,
>> count=count at entry=0x0) at xcb_conn.c:479
>> #2  0x00007fc2d3984bdf in wait_for_reply (c=c at entry=0x117aaf0,
>> request=request at entry=10682, e=e at entry=0x7fff869b5d98) at xcb_in.c:516
>> #3  0x00007fc2d3984d31 in xcb_wait_for_reply64 (c=0x117aaf0,
>> request=10682, e=0x7fff869b5d98) at xcb_in.c:560
>> #4  0x00007fc2d3bea2e8 in _XReply (dpy=0x11798a0, rep=0x7fff869b5e40,
>> extra=0, discard=0) at xcb_io.c:596
>> #5  0x00007fc2cc781cd2 in ?? () from /usr/lib/libGL.so.1
>> #6  0x00007fc2cc781ff7 in ?? () from /usr/lib/libGL.so.1
>> #7  0x00007fc2216f9239 in ?? () from /usr/lib/dri/r600_dri.so
>> #8  0x00007fc2216f3ab4 in ?? () from /usr/lib/dri/r600_dri.so
>> #9  0x00007fc2215dd92c in ?? () from /usr/lib/dri/r600_dri.so
>> #10 0x00007fc2215de84c in ?? () from /usr/lib/dri/r600_dri.so
>> #11 0x00007fc22158a67b in ?? () from /usr/lib/dri/r600_dri.so
>> #12 0x00007fc221592eb4 in ?? () from /usr/lib/dri/r600_dri.so
>
> Please get a backtrace with debugging symbols available for
> /usr/lib/libGL.so.1 and /usr/lib/dri/r600_dri.so as well.
>
>
> --
> Earthling Michel Dänzer               |               http://www.amd.com
> Libre software enthusiast             |             Mesa and X developer