https://bugzilla.novell.com/show_bug.cgi?id=436378
User matthias.andree@gmx.de added comment
https://bugzilla.novell.com/show_bug.cgi?id=436378#c1
--- Comment #1 from Matthias Andree 2008-10-17 03:29:48 MDT ---
Here's a trace of a hung testutf8; it's shown in T state in ps ax, strace
below:
#0 0xffffe424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb7f3a7bb in *__GI_tcsetattr (fd=0, optional_actions=2,
termios_p=0xbfe07fa8) at ../sysdeps/unix/sysv/linux/tcsetattr.c:84
resultvar = <value optimized out>
k_termios = {c_iflag = 16640, c_oflag = 5, c_cflag = 191, c_lflag =
35377, c_line = 0 '\0',
c_cc =
"\003\034\177\025\004\000\001\000\021\023\032\000\022\017\027\026\000\000"}
cmd = 21508
retval = <value optimized out>
#2 0x0804889c in tty_raw () at /usr/src/packages/SOURCES/testutf8.c:34
tattr = {c_iflag = 16640, c_oflag = 5, c_cflag = 191, c_lflag = 35377,
c_line = 0 '\0',
c_cc = "\003\034\177\025\004\000\001\000\021\023\032\000\022\017\027\026",
'\0' , c_ispeed = 15, c_ospeed = 15}
#3 0x0804898d in main (argc=<value optimized out>, argv=Cannot access memory
at address 0x5408
) at /usr/src/packages/SOURCES/testutf8.c:69
retstr = "�\237\004\b(\200��\030\205\004\b�?��"
pos = <value optimized out>
rc = <value optimized out>
row = -1208270860
col = <value optimized out>
verbose = 0
teststr = 0x8048c2b "\rö"
cleanup = 0x8048c26 "\r \r"
getpos = 0x8048c21 "\033[6n"
strace is in a loop:
..
ioctl(0, SNDCTL_TMR_CONTINUE or TCSETSF, {B38400 opost isig -icanon -echo ..})
= ? ERESTARTSYS (To be restarted)
--- SIGTTOU (Stopped (tty output)) @ 0 (0) ---
--- SIGTTOU (Stopped (tty output)) @ 0 (0) ---
ioctl(0, SNDCTL_TMR_CONTINUE or TCSETSF, {B38400 opost isig -icanon -echo ..})
= ? ERESTARTSYS (To be restarted)
--- SIGTTOU (Stopped (tty output)) @ 0 (0) ---
--- SIGTTOU (Stopped (tty output)) @ 0 (0) ---
ioctl(0, SNDCTL_TMR_CONTINUE or TCSETSF, {B38400 opost isig -icanon -echo ..})
= ? ERESTARTSYS (To be restarted)
--- SIGTTOU (Stopped (tty output)) @ 0 (0) ---
--- SIGTTOU (Stopped (tty output)) @ 0 (0) ---
..
This is with vanilla 2.6.27, konsole from kdebase3-3.5.10-24.1.
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