Hi,

I'm running Emacs trunk r111924 on FreeBSD 9.1-RC3 (amd64). When I connect to
Emacs session using 'emacsclient -t', I noticed flicker in xterm. I truss-ed
Emacs process, and it seems like it's sending same stuff in a loop which seems
to be causing what I noticed:

#v+
poll({4/POLLIN 3/POLLIN 10/POLLIN|POLLPRI 12/POLLIN|POLLPRI 13/POLLIN|POLLPRI 14/POLLIN|POLLPRI},6,0) = 0 (0x0)
sigprocmask(SIG_BLOCK,SIGALRM,0x0)               = 0 (0x0)
clock_gettime(0,{1362281900.802196331 })         = 0 (0x0)
ktimer_settime(0x3,0x0,0x7fffffffc450,0x0,0x1,0x0) = 0 (0x0)
sigprocmask(SIG_UNBLOCK,SIGALRM,0x0)             = 0 (0x0)
clock_gettime(0,{1362281900.802263790 })         = 0 (0x0)
clock_gettime(0,{1362281900.802284794 })         = 0 (0x0)
clock_gettime(0,{1362281900.802304151 })         = 0 (0x0)
sigprocmask(SIG_BLOCK,SIGIO|SIGWINCH,0x0)        = 0 (0x0)
write(23,"\^[[50d\^[[38;5;252m\^[[48;5;17m"...,330) = 330 (0x14a)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    "...,1024) = 1024 (0x400)
write(23,"_error\^[[39;49m\^[[38;5;252m\^["...,202) = 202 (0xca)
write(23,"\n\^[[38;5;252m\^[[48;5;17m     "...,1024) = 1024 (0x400)
write(23,"[39;49m\^[[38;5;252m\^[[48;5;17m"...,143) = 143 (0x8f)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    "...,1024) = 1024 (0x400)
write(23,"49m\^[[38;5;84m\^[[48;5;17mservn"...,487) = 487 (0x1e7)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    "...,1024) = 1024 (0x400)
write(23,"                                "...,258) = 258 (0x102)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    h"...,880) = 880 (0x370)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    h"...,765) = 765 (0x2fd)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    "...,822) = 822 (0x336)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    "...,957) = 957 (0x3bd)
write(23,"\n\^[[38;5;252m\^[[48;5;17m     "...,153) = 153 (0x99)
write(23,"\n\^[[38;5;252m\^[[48;5;17m     "...,937) = 937 (0x3a9)
write(23,"\n\^[[38;5;252m\^[[48;5;17m     "...,576) = 576 (0x240)
sigprocmask(SIG_BLOCK,SIGIO|SIGWINCH,0x0)        = 0 (0x0)
sigprocmask(SIG_UNBLOCK,SIGIO|SIGWINCH,0x0)      = 0 (0x0)
poll({3/POLLIN|POLLOUT},1,-1)                    = 1 (0x1)
writev(0x3,0x7fffffffc100,0x3,0x0,0x0,0x0)       = 160 (0xa0)
read(3,0x14c802c,4096)                           ERR#35 'Resource temporarily unavailable'
poll({4/POLLIN 3/POLLIN 10/POLLIN|POLLPRI 12/POLLIN|POLLPRI 13/POLLIN|POLLPRI 14/POLLIN|POLLPRI},6,0) = 0 (0x0)
SIGNAL 23 (SIGIO)
poll({7/POLLIN 15/POLLIN 18/POLLIN},3,-1)        = 0 (0x0)
sigreturn(0x7fffffffb970,0x7fffffffb970,0x14e7400,0x0,0xfffffffffffffbd0,0x0) = 0 (0x0)
pselect(0x18,0x7fffffffca90,0x7fffffffca10,0x0,0x7fffffffcb30,0x0) = 0 (0x0)
ioctl(23,FIONREAD,0xffffb45c)                    = 0 (0x0)
read(3,0x14c802c,4096)                           ERR#35 'Resource temporarily unavailable'
poll({4/POLLIN 3/POLLIN 10/POLLIN|POLLPRI 12/POLLIN|POLLPRI 13/POLLIN|POLLPRI 14/POLLIN|POLLPRI},6,0) = 0 (0x0)
sigprocmask(SIG_BLOCK,SIGALRM,0x0)               = 0 (0x0)
clock_gettime(0,{1362281900.813027951 })         = 0 (0x0)
ktimer_settime(0x3,0x0,0x7fffffffc450,0x0,0x1,0x0) = 0 (0x0)
sigprocmask(SIG_UNBLOCK,SIGALRM,0x0)             = 0 (0x0)
clock_gettime(0,{1362281900.813095081 })         = 0 (0x0)
clock_gettime(0,{1362281900.813115837 })         = 0 (0x0)
clock_gettime(0,{1362281900.813135194 })         = 0 (0x0)
sigprocmask(SIG_BLOCK,SIGIO|SIGWINCH,0x0)        = 0 (0x0)
write(23,"\^[[50d\^[[38;5;252m\^[[48;5;17m"...,330) = 330 (0x14a)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    "...,1024) = 1024 (0x400)
write(23,"_error\^[[39;49m\^[[38;5;252m\^["...,202) = 202 (0xca)
write(23,"\n\^[[38;5;252m\^[[48;5;17m     "...,1024) = 1024 (0x400)
write(23,"[39;49m\^[[38;5;252m\^[[48;5;17m"...,143) = 143 (0x8f)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    "...,1024) = 1024 (0x400)
write(23,"49m\^[[38;5;84m\^[[48;5;17mservn"...,487) = 487 (0x1e7)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    "...,1024) = 1024 (0x400)
write(23,"                                "...,258) = 258 (0x102)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    h"...,880) = 880 (0x370)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    h"...,765) = 765 (0x2fd)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    "...,822) = 822 (0x336)
write(23,"\n\^[[38;5;252m\^[[48;5;17m    "...,957) = 957 (0x3bd)
write(23,"\n\^[[38;5;252m\^[[48;5;17m     "...,153) = 153 (0x99)
write(23,"\n\^[[38;5;252m\^[[48;5;17m     "...,937) = 937 (0x3a9)
write(23,"\n\^[[38;5;252m\^[[48;5;17m     "...,576) = 576 (0x240)
#v-

The flicker stops, when I focus the X11 frame, and do some activity there, and
resumes when I focus back to xterm.

Following is configure options:

--localstatedir=/var --with-x-toolkit=gtk3 --with-xft --with-m17n-flt --with-libotf --with-imagemagick --with-gsettings --with-gconf --with-xim --with-sound --with-dbus --with-xml2 --with-gnutls --with-acl --x-libraries=/usr/local/lib --x-includes=/usr/local/include --prefix=/usr/local --mandir=/usr/local/man --infodir=/usr/local/info/ --build=amd64-portbld-freebsd9.1 CFLAGS='-fstack-protector -g' CPPFLAGS='-I/usr/local/include' LDFLAGS=' -L/usr/local/lib -Wl,-rpath=/usr/local/lib'

I'm wondering if anyone else has noticed it, or know of a fix to the problem.

Thanks
-- 
Ashish SHUKLA

“We've so many people in India, that we're able to route each network packet
manually.” (nobotz)

Sent from my Emacs