Accepting request 760659 from home:gmbr3:branches:X11:XOrg
- Update 1.13.1 * u_don-t-flag-extra-reply-in-xcb_take_socket.patch has been upstreamed. OBS-URL: https://build.opensuse.org/request/show/760659 OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/libxcb?expand=0&rev=57
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libxcb-1.13.1.tar.bz2
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3
libxcb-1.13.1.tar.bz2
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@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:a89fb7af7a11f43d2ce84a844a4b38df688c092bf4b67683aef179cdf2a647c4
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size 506778
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@ -1,3 +0,0 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:188c8752193c50ff2dbe89db4554c63df2e26a2e47b0fa415a70918b5b851daa
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size 510453
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@ -1,3 +1,10 @@
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-------------------------------------------------------------------
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Fri Jan 3 12:22:59 UTC 2020 - Chocy Orange <callumjfarmer13@gmail.com>
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- Update 1.13.1
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* u_don-t-flag-extra-reply-in-xcb_take_socket.patch has been upstreamed.
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-------------------------------------------------------------------
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Tue Aug 21 06:58:35 UTC 2018 - msrb@suse.com
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12
libxcb.spec
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libxcb.spec
@ -1,7 +1,7 @@
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#
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# spec file for package libxcb
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#
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# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
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# Copyright (c) 2020 SUSE LINUX GmbH, Nuernberg, Germany.
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#
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# All modifications and additions to the file contributed by third parties
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# remain the property of their copyright owners, unless otherwise agreed
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@ -12,7 +12,7 @@
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# license that conforms to the Open Source Definition (Version 1.9)
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# published by the Open Source Initiative.
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# Please submit bugfixes or comments via http://bugs.opensuse.org/
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# Please submit bugfixes or comments via https://bugs.opensuse.org/
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#
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@ -23,20 +23,19 @@
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%bcond_without python2
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%endif
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Name: libxcb
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Version: 1.13
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Version: 1.13.1
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Release: 0
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Summary: X11 core protocol C library
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License: MIT
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Group: Development/Libraries/C and C++
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Url: http://xcb.freedesktop.org/
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#Git-Clone: git://anongit.freedesktop.org/xcb/libxcb
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#Git-Web: http://cgit.freedesktop.org/xcb/libxcb/
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#DL-URL: http://xcb.freedesktop.org/dist/
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#Git-Web: https://cgit.freedesktop.org/xcb/libxcb/
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#DL-URL: https://xcb.freedesktop.org/dist/
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Source: %{name}-%{version}.tar.bz2
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Source1: baselibs.conf
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Patch1: bug-262309_xcb-xauthlocalhostname.diff
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Patch2: n_If-auth-with-credentials-for-hostname-fails-retry-with-XAUTHLOCALHOSTNAME.patch
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Patch3: u_don-t-flag-extra-reply-in-xcb_take_socket.patch
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BuildRequires: autoconf >= 2.57
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BuildRequires: automake
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BuildRequires: libtool
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@ -391,7 +390,6 @@ libxcb.
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%setup -q
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%patch1
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%patch2 -p1
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%patch3 -p1
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%build
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./autogen.sh
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@ -1,98 +0,0 @@
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Author: Erik Kurzinger <ekurzinger@nvidia.com>
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Subject: don't flag extra reply in xcb_take_socket
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Patch-Mainline: To-be-upstreamed
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Signed-off-by: Michal Srb <msrb@suse.com>
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References: bnc#1101560
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If any flags are specified in a call to xcb_take_socket,
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they should only be applied to replies for requests sent
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after that function returns (and until the socket is
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re-acquired by XCB).
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Previously, they would also be incorrectly applied to the
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reply for the last request sent before the socket was taken.
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For instance, in this example program the reply for the
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GetInputFocus request gets discarded, even though it was
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sent before the socket was taken. This results in the
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call to retrieve the reply hanging indefinitely.
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static void return_socket(void *closure) {}
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int main(void)
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{
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Display *dpy = XOpenDisplay(NULL);
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xcb_connection_t *c = XGetXCBConnection(dpy);
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xcb_get_input_focus_cookie_t cookie = xcb_get_input_focus_unchecked(c);
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xcb_flush(c);
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uint64_t seq;
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xcb_take_socket(c, return_socket, dpy, XCB_REQUEST_DISCARD_REPLY, &seq);
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xcb_generic_error_t *err;
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xcb_get_input_focus_reply(c, cookie, &err);
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}
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In practice, this has been causing intermittent KWin crashes when
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used in combination with the proprietary NVIDIA driver such as
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https://bugs.kde.org/show_bug.cgi?id=386370 since when Xlib fails to
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retrieve one of these incorrectly discarded replies it triggers
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an IO error.
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Signed-off-by: Erik Kurzinger <ekurzinger@nvidia.com>
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---
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src/xcb_in.c | 21 +++++++++++++++++++--
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src/xcb_out.c | 10 ++++++++--
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2 files changed, 27 insertions(+), 4 deletions(-)
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diff --git a/src/xcb_in.c b/src/xcb_in.c
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index 73209e0..4333ad3 100644
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--- a/src/xcb_in.c
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+++ b/src/xcb_in.c
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@@ -958,8 +958,20 @@ void _xcb_in_replies_done(xcb_connection_t *c)
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pend = container_of(c->in.pending_replies_tail, struct pending_reply, next);
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if(pend->workaround == WORKAROUND_EXTERNAL_SOCKET_OWNER)
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{
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- pend->last_request = c->out.request;
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- pend->workaround = WORKAROUND_NONE;
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+ if (XCB_SEQUENCE_COMPARE(pend->first_request, <=, c->out.request)) {
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+ pend->last_request = c->out.request;
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+ pend->workaround = WORKAROUND_NONE;
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+ } else {
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+ /* The socket was taken, but no requests were actually sent
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+ * so just discard the pending_reply that was created.
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+ */
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+ struct pending_reply **prev_next = &c->in.pending_replies;
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+ while (*prev_next != pend)
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+ prev_next = &(*prev_next)->next;
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+ *prev_next = NULL;
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+ c->in.pending_replies_tail = prev_next;
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+ free(pend);
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+ }
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}
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}
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}
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diff --git a/src/xcb_out.c b/src/xcb_out.c
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index 3601a5f..c9593e5 100644
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--- a/src/xcb_out.c
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+++ b/src/xcb_out.c
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@@ -387,8 +387,14 @@ int xcb_take_socket(xcb_connection_t *c, void (*return_socket)(void *closure), v
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{
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c->out.return_socket = return_socket;
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c->out.socket_closure = closure;
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- if(flags)
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- _xcb_in_expect_reply(c, c->out.request, WORKAROUND_EXTERNAL_SOCKET_OWNER, flags);
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+ if(flags) {
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+ /* c->out.request + 1 will be the first request sent by the external
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+ * socket owner. If the socket is returned before this request is sent
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+ * it will be detected in _xcb_in_replies_done and this pending_reply
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+ * will be discarded.
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+ */
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+ _xcb_in_expect_reply(c, c->out.request + 1, WORKAROUND_EXTERNAL_SOCKET_OWNER, flags);
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+ }
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assert(c->out.request == c->out.request_written);
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*sent = c->out.request;
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}
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--
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2.16.4
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