diff options
| -rw-r--r-- | open_issues/term_blocking.mdwn | 3 | ||||
| -rw-r--r-- | open_issues/term_blocking/2011-07-04.mdwn | 246 |
2 files changed, 249 insertions, 0 deletions
diff --git a/open_issues/term_blocking.mdwn b/open_issues/term_blocking.mdwn index a2435b90..19d18d0e 100644 --- a/open_issues/term_blocking.mdwn +++ b/open_issues/term_blocking.mdwn @@ -114,6 +114,9 @@ started GDB (the system one, for `.debug` stuff) on `/hurd/term`, `set noninvasive on`, attach to the *term* that GDB is using. +[[2011-07-04]]. + + # Formal Verification This issue may be a simple programming error, or it may be more complicated. diff --git a/open_issues/term_blocking/2011-07-04.mdwn b/open_issues/term_blocking/2011-07-04.mdwn new file mode 100644 index 00000000..0f302409 --- /dev/null +++ b/open_issues/term_blocking/2011-07-04.mdwn @@ -0,0 +1,246 @@ +[[!meta copyright="Copyright © 2011 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +GDB testsuite makes a term process go bonkers. The testsuite is terminated. +The term process remanins. Next, a new shell (bash) is started that connects +to this term process -- and hangs. + +Hung bash process (27834), term (22634). + + # portinfo -t 22634 27834 + 5 => 58: receive + 11 => 18: receive + 21 => 53: receive + 26 => 51: receive + 27 => 56: receive + 28 => 48: receive + 30 => 54: receive + +GDB on bash: + + #0 0x010ab12c in _hurd_intr_rpc_msg_in_trap (msg=0x102383c, option=3, send_size=44, rcv_size=2092, rcv_name=9, timeout=0, notify=0) at intr-msg.c:134 + err = <value optimized out> + err = <value optimized out> + user_option = 3 + user_timeout = 0 + m = 0x102383c + msgh_bits = 5395 + remote_port = 27 + msgid = 21001 + __PRETTY_FUNCTION__ = "_hurd_intr_rpc_mach_msg" + #1 0x01235195 in __io_read (io_object=27, data=0x1024148, dataCnt=0x102414c, offset=-1, amount=1) at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/hurd/RPC_io_read.c:138 + Mess = {In = {Head = {msgh_bits = 5395, msgh_size = 1768, msgh_remote_port = 27, msgh_local_port = 9, msgh_seqno = 0, msgh_id = 21001}, offsetType = {msgt_name = 11, msgt_size = 64, msgt_number = 1, msgt_inline = 1, msgt_longform = 0, msgt_deallocate = 0, + msgt_unused = 0}, offset = -1, amountType = {msgt_name = 2, msgt_size = 32, msgt_number = 1, msgt_inline = 1, msgt_longform = 0, msgt_deallocate = 0, msgt_unused = 0}, amount = 1}, Out = {Head = {msgh_bits = 5395, msgh_size = 1768, msgh_remote_port = 27, + msgh_local_port = 9, msgh_seqno = 0, msgh_id = 21001}, RetCodeType = {msgt_name = 11, msgt_size = 64, msgt_number = 1, msgt_inline = 1, msgt_longform = 0, msgt_deallocate = 0, msgt_unused = 0}, RetCode = -1, dataType = {msgtl_header = {msgt_name = 255, + msgt_size = 255, msgt_number = 4095, msgt_inline = 1, msgt_longform = 1, msgt_deallocate = 1, msgt_unused = 1}, msgtl_name = 8194, msgtl_size = 4097, msgtl_number = 1}, + data = "# /etc/inputrc - global inputrc for libreadline\n# See readline(3readline) and `info rluserman' for more information.\n\n# Be 8 bit clean.\nset input-meta on\nset output-meta on\n\n# To allow the use of 8bit"...}} + msg_result = <value optimized out> + msgh_size = <value optimized out> + #2 0x010afbb1 in readfd (port=27) at fd-read.c:34 + nbytes = 0x9 + nread = 40 + data = 0x44 <Address 0x44 out of bounds> + offset = 12884901897 + #3 0x010b5de5 in _hurd_ctty_input (port=26, ctty=27, rpc=0x1024154) at ctty-input.c:36 + err = 19156808 + #4 0x010af53e in _hurd_fd_read (fd=0x1244f48, buf=0x102420f, offset=-1) at fd-read.c:39 + __ulink = {resource = {next = 0x0, prevp = 0x1244f4c}, thread = {next = 0x1024160, prevp = 0x1246c5c}, cleanup = 0x10b75a0 <_hurd_port_cleanup>, cleanup_data = 0x1a} + __ctty_ulink = {resource = {next = 0x0, prevp = 0x1244f5c}, thread = {next = 0x0, prevp = 0x1024180}, cleanup = 0x10b75a0 <_hurd_port_cleanup>, cleanup_data = 0x1b} + ctty = 27 + crit = 0x1246808 + __result = 16925048 + port = <value optimized out> + err = <value optimized out> + data = 0x102420f "" + nbytes = 0x10241f8 + nread = 1 + #5 0x0116c080 in __libc_read (fd=DWARF-2 expression error: DW_OP_reg operations must be used either alone or in conjuction with DW_OP_piece or DW_OP_bit_piece. + ) at ../sysdeps/mach/hurd/read.c:27 + descriptor = <error reading variable descriptor (DWARF-2 expression error: DW_OP_reg operations must be used either alone or in conjuction with DW_OP_piece or DW_OP_bit_piece.)> + err = <value optimized out> + #6 0x080cdaac in ?? () + No symbol table info available. + #7 0x080cdf88 in ?? () + No symbol table info available. + #8 0x080baff7 in ?? () + No symbol table info available. + #9 0x080bb435 in ?? () + No symbol table info available. + #10 0x080507e7 in ?? () + No symbol table info available. + #11 0x0804fc36 in ?? () + No symbol table info available. + #12 0x08052f22 in ?? () + No symbol table info available. + #13 0x08055dab in ?? () + No symbol table info available. + #14 0x0804d960 in ?? () + No symbol table info available. + #15 0x0804da1f in ?? () + No symbol table info available. + #16 0x0804dc65 in ?? () + No symbol table info available. + #17 0x0804d215 in ?? () + No symbol table info available. + #18 0x010b906b in __libc_start_main (main=0x804c450, argc=1, ubp_av=0x1024dd4, init=0x80d7ff0, fini=0x80d7fe0, rtld_fini=0xf330, stack_end=0x1024dcc) at libc-start.c:257 + result = <value optimized out> + #19 0x0804b281 in ?? () + No symbol table info available. + +GDB on term: + + 5 Thread 22634.5 0x01089f6c in mach_msg_trap () at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + 4 Thread 22634.4 0x01089f6c in mach_msg_trap () at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + 3 Thread 22634.3 0x01089f6c in mach_msg_trap () at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + 2 Thread 22634.2 0x01089f6c in mach_msg_trap () at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + * 1 Thread 22634.1 0x01089f6c in mach_msg_trap () at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + + Thread 5 (Thread 22634.5): + #0 0x01089f6c in mach_msg_trap () at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + No locals. + #1 0x0108a769 in __mach_msg (msg=0x129bf10, option=2050, send_size=0, rcv_size=8192, rcv_name=16, timeout=0, notify=0) at msg.c:110 + ret = <value optimized out> + #2 0x0108ae24 in __mach_msg_server_timeout (demux=0x125fd1c, max_size=8192, rcv_name=16, option=2048, timeout=0) at msgserver.c:101 + request = 0x129bf10 + reply = 0x129df20 + mr = <value optimized out> + __PRETTY_FUNCTION__ = "__mach_msg_server_timeout" + #3 0x01058e45 in thread_function (master=0) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libports/manage-multithread.c:136 + timeout = 0 + err = <value optimized out> + hook = 0 + global_timeout = 0 + thread_timeout = 0 + bucket = 0x805e1f0 + lock = 0 + totalthreads = 4 + nreqthreads = 3 + #4 0x01052b91 in cthread_body (self=0x8061460) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libthreads/cthreads.c:300 + t = 0x80619a8 + #5 0x00000000 in ?? () + No symbol table info available. + + Thread 4 (Thread 22634.4): + #0 0x01089f6c in mach_msg_trap () at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + No locals. + #1 0x0108a769 in __mach_msg (msg=0x128df20, option=2050, send_size=0, rcv_size=8192, rcv_name=16, timeout=0, notify=0) at msg.c:110 + ret = <value optimized out> + #2 0x0108ae24 in __mach_msg_server_timeout (demux=0x125fd1c, max_size=8192, rcv_name=16, option=2048, timeout=0) at msgserver.c:101 + request = 0x128df20 + reply = 0x128bf10 + mr = <value optimized out> + __PRETTY_FUNCTION__ = "__mach_msg_server_timeout" + #3 0x01058e45 in thread_function (master=0) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libports/manage-multithread.c:136 + timeout = 0 + err = <value optimized out> + hook = 0 + global_timeout = 0 + thread_timeout = 0 + bucket = 0x805e1f0 + lock = 0 + totalthreads = 4 + nreqthreads = 3 + #4 0x01052b91 in cthread_body (self=0x805f800) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libthreads/cthreads.c:300 + t = 0x805f788 + #5 0x00000000 in ?? () + No symbol table info available. + + Thread 3 (Thread 22634.3): + #0 0x01089f6c in mach_msg_trap () at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + No locals. + #1 0x0108a769 in __mach_msg (msg=0x127df20, option=2050, send_size=0, rcv_size=8192, rcv_name=16, timeout=0, notify=0) at msg.c:110 + ret = <value optimized out> + #2 0x0108ae24 in __mach_msg_server_timeout (demux=0x125fd1c, max_size=8192, rcv_name=16, option=2048, timeout=0) at msgserver.c:101 + request = 0x127df20 + reply = 0x127bf10 + mr = <value optimized out> + __PRETTY_FUNCTION__ = "__mach_msg_server_timeout" + #3 0x01058e45 in thread_function (master=0) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libports/manage-multithread.c:136 + timeout = 0 + err = <value optimized out> + hook = 0 + global_timeout = 0 + thread_timeout = 0 + bucket = 0x805e1f0 + lock = 0 + totalthreads = 4 + nreqthreads = 3 + #4 0x01052b91 in cthread_body (self=0x805ec30) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libthreads/cthreads.c:300 + t = 0x805ebb8 + #5 0x00000000 in ?? () + No symbol table info available. + + Thread 2 (Thread 22634.2): + #0 0x01089f6c in mach_msg_trap () at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + No locals. + #1 0x0108a769 in __mach_msg (msg=0x126df20, option=3, send_size=32, rcv_size=4096, rcv_name=12, timeout=0, notify=0) at msg.c:110 + ret = <value optimized out> + #2 0x0108ae99 in __mach_msg_server_timeout (demux=0x109b9d0 <msgport_server>, max_size=4096, rcv_name=12, option=0, timeout=0) at msgserver.c:151 + request = 0x126ef30 + reply = 0x126df20 + mr = <value optimized out> + __PRETTY_FUNCTION__ = "__mach_msg_server_timeout" + #3 0x0108af6b in __mach_msg_server (demux=0x109b9d0 <msgport_server>, max_size=4096, rcv_name=12) at msgserver.c:196 + No locals. + #4 0x0109b99f in _hurd_msgport_receive () at msgportdemux.c:68 + No locals. + #5 0x01052b91 in cthread_body (self=0x805da48) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libthreads/cthreads.c:300 + t = 0x805d9d0 + #6 0x00000000 in ?? () + No symbol table info available. + + Thread 1 (Thread 22634.1): + #0 0x01089f6c in mach_msg_trap () at /home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + No locals. + #1 0x0108a769 in __mach_msg (msg=0x125ba2c, option=2, send_size=0, rcv_size=24, rcv_name=10, timeout=0, notify=0) at msg.c:110 + ret = <value optimized out> + #2 0x010516b8 in cproc_block () at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libthreads/cprocs.c:638 + msg = {msgh_bits = 17345214, msgh_size = 18972660, msgh_remote_port = 17163428, msgh_local_port = 134764952, msgh_seqno = 19249824, msgh_id = 18935134} + waiter = 0x1240808 + new = <value optimized out> + p = 0x805d988 + #3 0x01053589 in hurd_condition_wait (m=0x805d89c) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libthreads/cancel-cond.c:86 + p = 0x805d988 + cancel = <value optimized out> + __PRETTY_FUNCTION__ = "hurd_condition_wait" + c = 0x805e498 + #4 0x08052abf in trivfs_S_io_read (cred=0x8084b78, reply=32, replytype=18, data=0x125bb44, datalen=0x125bb40, offset=-1, amount=1) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./term/users.c:695 + cancel = <value optimized out> + i = <value optimized out> + max = <value optimized out> + cp = <value optimized out> + avail = <value optimized out> + #5 0x0104053b in _Xio_read (InHeadP=0x125dc70, OutHeadP=0x125bc60) at ioServer.c:234 + dataCnt = 2048 + msgh_simple = <value optimized out> + io_object = 0x8084b78 + dataP = 0x125bc8c "\350\003" + #6 _Xio_read (InHeadP=0x125dc70, OutHeadP=0x125bc60) at ioServer.c:148 + In0P = 0x125dc70 + OutP = 0x125bc60 + offsetCheck = {msgt_name = 11, msgt_size = 64, msgt_number = 1, msgt_inline = 1, msgt_longform = 0, msgt_deallocate = 0, msgt_unused = 0} + amountCheck = {msgt_name = 2, msgt_size = 32, msgt_number = 1, msgt_inline = 1, msgt_longform = 0, msgt_deallocate = 0, msgt_unused = 0} + #7 0x0104065e in trivfs_io_server (InHeadP=0x125dc70, OutHeadP=0x125bc60) at ioServer.c:2005 + InP = 0x125dc70 + OutP = 0x125bc60 + routine = <value optimized out> + #8 0x01038f17 in trivfs_demuxer (inp=0x125dc70, outp=0x125bc60) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libtrivfs/demuxer.c:32 + No locals. + #9 0x080537a8 in demuxer (inp=0x125dc70, outp=0x125bc60) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./term/main.c:68 + No locals. + #10 0x01059045 in internal_demuxer (inp=0x125dc70, outheadp=0x125bc60) at /home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libports/manage-multithread.c:101 + err = <value optimized out> + spawn = <value optimized out> + status = <value optimized out> + pi = <value optimized out> + link = {thread = 3, next = 0x0, prevp = 0x8084b94, notifies = 0x0, interrupted_next = 0x0} + outp = 0x125bc60 + __PRETTY_FUNCTION__ = "internal_demuxer" + [System crashed.] |