[Dx-packages] [Bug 1192081] Re: Previews for applications are really slow to display anything
This codebase is no longer developed ** No longer affects: unity-lens-applications (Ubuntu) ** Changed in: software-center (Ubuntu) Status: Confirmed => Won't Fix ** Changed in: software-center (Ubuntu) Assignee: eduardo (lalo7america) => (unassigned) ** Bug metadata locked and limited to project staff ** Project changed: unity-lens-applications => unity-lens-applications (Ubuntu) ** Changed in: unity-lens-applications (Ubuntu) Status: Confirmed => Won't Fix -- You received this bug notification because you are a member of DX Packages, which is subscribed to unity-lens-applications in Ubuntu. https://bugs.launchpad.net/bugs/1192081 Title: Previews for applications are really slow to display anything Status in software-center package in Ubuntu: Won't Fix Status in unity-lens-applications package in Ubuntu: Won't Fix Bug description: I'm seeing rightly on forums and generally the Internet that 100scopes previews are slow, combined with the fact that we now have the left click showing the preview by default frustrate a lot of users. On my beefy machine (i7, 8G of rams), the preview for an application takes 3/4s to show, you can't do anything meanwhile as there is no button to launch the application (because you didn't double click, just left click and thought "argh, I should have double click"). Because of this, we are making the 1st landing of 100 scopes experience bad and we should fix it (at least, in that applicatoin lens) by either preloading the software-center-dbus (/usr/share/software-center/software-center-dbus) daemon (we can't have it always running as it's taking over 100MB of memory) when hovering an app lens result, or when it's the first result (so can be directly triggered by pressing [Enter]) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/1192081/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp
[Dx-packages] [Bug 1192081] [NEW] Previews for applications are really slow to display anything
You have been subscribed to a public bug: I'm seeing rightly on forums and generally the Internet that 100scopes previews are slow, combined with the fact that we now have the left click showing the preview by default frustrate a lot of users. On my beefy machine (i7, 8G of rams), the preview for an application takes 3/4s to show, you can't do anything meanwhile as there is no button to launch the application (because you didn't double click, just left click and thought "argh, I should have double click"). Because of this, we are making the 1st landing of 100 scopes experience bad and we should fix it (at least, in that applicatoin lens) by either preloading the software-center-dbus (/usr/share/software- center/software-center-dbus) daemon (we can't have it always running as it's taking over 100MB of memory) when hovering an app lens result, or when it's the first result (so can be directly triggered by pressing [Enter]) ** Affects: unity-lens-applications (Ubuntu) Importance: Medium Status: Confirmed ** Affects: software-center (Ubuntu) Importance: Critical Status: Won't Fix ** Tags: 100scopes scopes-s u1-notrack -- Previews for applications are really slow to display anything https://bugs.launchpad.net/bugs/1192081 You received this bug notification because you are a member of DX Packages, which is subscribed to unity-lens-applications in Ubuntu. -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp
[Dx-packages] [Bug 1871538] Re: dbus timeout-ed during an upgrade, taking services down including gdm
** Changed in: dbus Status: Unknown => New -- You received this bug notification because you are a member of DX Packages, which is subscribed to accountsservice in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1871538 Title: dbus timeout-ed during an upgrade, taking services down including gdm Status in D-Bus: New Status in systemd: New Status in accountsservice package in Ubuntu: Invalid Status in dbus package in Ubuntu: Invalid Status in gnome-shell package in Ubuntu: Invalid Status in systemd package in Ubuntu: Fix Released Status in accountsservice source package in Focal: Invalid Status in dbus source package in Focal: Invalid Status in gnome-shell source package in Focal: Invalid Status in systemd source package in Focal: Fix Released Status in accountsservice source package in Groovy: Invalid Status in dbus source package in Groovy: Invalid Status in gnome-shell source package in Groovy: Invalid Status in accountsservice source package in Hirsute: Invalid Status in dbus source package in Hirsute: Won't Fix Status in gnome-shell source package in Hirsute: Invalid Status in accountsservice source package in Impish: Invalid Status in dbus source package in Impish: Invalid Status in gnome-shell source package in Impish: Invalid Status in systemd source package in Impish: Fix Released Status in accountsservice source package in Jammy: Invalid Status in dbus source package in Jammy: Invalid Status in gnome-shell source package in Jammy: Invalid Status in systemd source package in Jammy: Fix Released Bug description: [Impact] * There's currently a deadlock between PID 1 and dbus-daemon: in some cases dbus-daemon will do NSS lookups (which are blocking) at the same time PID 1 synchronously blocks on some call to dbus-daemon (e.g. `GetConnectionUnixUser` DBus call). Let's break that by setting SYSTEMD_NSS_DYNAMIC_BYPASS=1 env var for dbus-daemon, which will disable synchronously blocking varlink calls from nss-systemd to PID 1. * This can lead to delayed boot times * It can also lead to dbus-daemon being killed/re-started, taking down other services with it, like GDM, killing user sessions on the way (e.g. on installing updates) [Test Plan] * This bug is really hard to reproduce, as can be seen from the multi-year long discussion at https://github.com/systemd/systemd/issues/15316 * Canonical's CPC team has the ability to reproduce this issue (with a relatively high probability) in their Azure test environment, due to the specific setup they are using * So our test plan is to ask CPC (@gjolly) for confirmation if the issue is fixed. [Where problems could occur] * This fix touches the communication between systemd and dbus daemon, especially the NSS lookup, so if something is broken the (user-)name resolution could be broken. * As a workaround dbus-daemon could be replaced by dbus-broker, which never showed this issue or the behaviour could be changed back by using the `SYSTEMD_NSS_DYNAMIC_BYPASS` env variable, like this: #/etc/systemd/system/dbus.service.d/override.conf [Service] Environment=SYSTEMD_NSS_DYNAMIC_BYPASS=0 [Other Info] * Fixed upstream (v251) in https://github.com/systemd/systemd/pull/22552 === Original Description === This morning I found my computer on the login screen. But not the one of the screen log, no a new one - so something must have crashed. Logging in again confirmed that all apps were gone and the gnome shell was brought down what seems like triggered by a background update o accountsservice. As always things are not perfectly clear :-/ The following goes *back* in time through my logs one by one. Multiple apps crashed at 06:09, but we will find later that this is a follow on issue of the underlying gnome/X/... recycling. -rw-r- 1 paelzer whoopsie 52962868 Apr 8 06:09 _usr_bin_konversation.1000.crash -rw-r- 1 paelzer whoopsie 986433 Apr 8 06:09 _usr_lib_x86_64-linux-gnu_libexec_drkonqi.1000.crash rdkit was failing fast and giving up (that will be a different bug, it just seems broken on my system): Apr 08 06:10:13 Keschdeichel systemd[1]: Started RealtimeKit Scheduling Policy Service. Apr 08 06:10:13 Keschdeichel rtkit-daemon[1729333]: Successfully called chroot. Apr 08 06:10:13 Keschdeichel rtkit-daemon[1729333]: Successfully dropped privileges. Apr 08 06:10:13 Keschdeichel rtkit-daemon[1729333]: Successfully limited resources. Apr 08 06:10:13 Keschdeichel rtkit-daemon[1729333]: pthread_create failed: Resource temporarily unavailable Apr 08 06:10:13 Keschdeichel rtkit-daemon[1729333]: Canary thread running. Apr 08 06:10:13 Keschdeichel rtkit-daemon[1729333]: Exiting canary thread. Apr 08 06:10:13 Keschdeichel rtkit-daemon[1729333]: Demoting known real-time threads. Apr 08 06:10:13 Keschdeichel rtkit-daemon[1729333]:
[Dx-packages] [Bug 1966905] Re: Valgrind memory errors in gnome-shell 42 from accountsservice
** Changed in: accountsservice Status: Unknown => New -- You received this bug notification because you are a member of DX Packages, which is subscribed to accountsservice in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1966905 Title: Valgrind memory errors in gnome-shell 42 from accountsservice Status in accountsservice: New Status in accountsservice package in Ubuntu: New Status in gnome-shell package in Ubuntu: New Bug description: Valgrind memory errors in gnome-shell 42 from accountsservice: ==60511== Invalid read of size 8 ==60511==at 0x4D207FA: g_type_check_instance_cast (gtype.c:4120) ==60511==by 0x1E421CA2: free_fetch_user_request (act-user-manager.c:1708) ==60511==by 0x1E4298E7: on_find_user_by_name_finished (act-user-manager.c:1187) ==60511==by 0x4BC0C08: g_task_return_now (gtask.c:1230) ==60511==by 0x4BC0E0A: UnknownInlinedFun (gtask.c:1300) ==60511==by 0x4BC0E0A: g_task_return (gtask.c:1256) ==60511==by 0x4C298BA: reply_cb (gdbusproxy.c:2576) ==60511==by 0x4BC0C08: g_task_return_now (gtask.c:1230) ==60511==by 0x4BC0E0A: UnknownInlinedFun (gtask.c:1300) ==60511==by 0x4BC0E0A: g_task_return (gtask.c:1256) ==60511==by 0x4C2107E: g_dbus_connection_call_done (gdbusconnection.c:5895) ==60511==by 0x4BC0C08: g_task_return_now (gtask.c:1230) ==60511==by 0x4BC0C4C: complete_in_idle_cb (gtask.c:1244) ==60511==by 0x4D9CC23: UnknownInlinedFun (gmain.c:3417) ==60511==by 0x4D9CC23: g_main_context_dispatch (gmain.c:4135) ==60511== Address 0x185b5110 is 0 bytes inside a block of size 64 free'd ==60511==at 0x484B27F: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so) ==60511==by 0x4D1F7D4: g_type_free_instance (gtype.c:2008) ==60511==by 0x1E428ECA: UnknownInlinedFun (act-user.c:562) ==60511==by 0x1E428ECA: UnknownInlinedFun (act-user.c:557) ==60511==by 0x1E428ECA: _act_user_update_from_object_path (act-user.c:1346) ==60511==by 0x1E42966F: fetch_user_incrementally (act-user-manager.c:1789) ==60511==by 0x1E4298E7: on_find_user_by_name_finished (act-user-manager.c:1187) ==60511==by 0x4BC0C08: g_task_return_now (gtask.c:1230) ==60511==by 0x4BC0E0A: UnknownInlinedFun (gtask.c:1300) ==60511==by 0x4BC0E0A: g_task_return (gtask.c:1256) ==60511==by 0x4C298BA: reply_cb (gdbusproxy.c:2576) ==60511==by 0x4BC0C08: g_task_return_now (gtask.c:1230) ==60511==by 0x4BC0E0A: UnknownInlinedFun (gtask.c:1300) ==60511==by 0x4BC0E0A: g_task_return (gtask.c:1256) ==60511==by 0x4C2107E: g_dbus_connection_call_done (gdbusconnection.c:5895) ==60511==by 0x4BC0C08: g_task_return_now (gtask.c:1230) ==60511== Block was alloc'd at ==60511==at 0x4848899: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so) ==60511==by 0x4DA5718: g_malloc (gmem.c:125) ==60511==by 0x4DBCB64: g_slice_alloc (gslice.c:1072) ==60511==by 0x4DBD1CD: g_slice_alloc0 (gslice.c:1098) ==60511==by 0x4D24E61: g_type_create_instance (gtype.c:1911) ==60511==by 0x4D0BF4C: g_object_new_internal (gobject.c:2011) ==60511==by 0x4D0D1AC: g_object_new_with_properties (gobject.c:2181) ==60511==by 0x4D0DCB0: g_object_new (gobject.c:1821) ==60511==by 0x1E422792: create_new_user (act-user-manager.c:706) ==60511==by 0x1E429BD8: act_user_manager_get_user (act-user-manager.c:1879) ==60511==by 0x68ADE2D: ??? (in /usr/lib/x86_64-linux-gnu/libffi.so.8.1.0) ==60511==by 0x68AA492: ??? (in /usr/lib/x86_64-linux-gnu/libffi.so.8.1.0) ==60511== ==60511== Invalid read of size 8 ==60511==at 0x4D206E9: g_type_check_instance_is_fundamentally_a (gtype.c:4091) ==60511==by 0x4D06E9A: g_object_set_data (gobject.c:3982) ==60511==by 0x1E421CB6: free_fetch_user_request (act-user-manager.c:1708) ==60511==by 0x1E4298E7: on_find_user_by_name_finished (act-user-manager.c:1187) ==60511==by 0x4BC0C08: g_task_return_now (gtask.c:1230) ==60511==by 0x4BC0E0A: UnknownInlinedFun (gtask.c:1300) ==60511==by 0x4BC0E0A: g_task_return (gtask.c:1256) ==60511==by 0x4C298BA: reply_cb (gdbusproxy.c:2576) ==60511==by 0x4BC0C08: g_task_return_now (gtask.c:1230) ==60511==by 0x4BC0E0A: UnknownInlinedFun (gtask.c:1300) ==60511==by 0x4BC0E0A: g_task_return (gtask.c:1256) ==60511==by 0x4C2107E: g_dbus_connection_call_done (gdbusconnection.c:5895) ==60511==by 0x4BC0C08: g_task_return_now (gtask.c:1230) ==60511==by 0x4BC0C4C: complete_in_idle_cb (gtask.c:1244) ==60511== Address 0x185b5110 is 0 bytes inside a block of size 64 free'd ==60511==at 0x484B27F: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so) ==60511==by 0x4D1F7D4: g_type_free_instance (gtype.c:2008) ==60511==by 0x1E428ECA: UnknownInlinedFun (act-user.c:562) ==60511==by 0x1E428ECA:
