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Distributions and system administration

DistroWatch Weekly April 26
Lunar Linux Weekly News April 23
openSUSE Tumbleweed Review of the Week April 23
Ubuntu Weekly Newsletter April 24

Development

Emacs News April 26
These Weeks in Firefox April 26
GCC 8.5 Status Report April 23
GCC 11.1.1 Status Report April 27
LLVM Weekly April 26
OCaml Weekly News April 27
Perl Weekly April 26
PostgreSQL Weekly News April 25
Python Weekly Newsletter April 22
Weekly Rakudo News April 26
Ruby Weekly News April 22
This Week in Rust April 21
Wikimedia Tech News April 26

Meeting minutes

Fedora FESCO meeting minutes April 27
Perl Steering Council meeting minutes April 23

Calls for Presentations

EuroPython 2021: Call for Proposals Open

EuroPython 2021 will take place July 26-August 1 online. "We're looking for proposals on all aspects of Python from novice to advanced level, including but not limited to: applications, frameworks, Data Science, internals or topics which you're excited about, your experiences with Python and its ecosystem and creative or artistic things you've done with Python." The call for proposals closes May 9.

Full Story (comments: none)

CFP Deadlines: April 29, 2021 to June 28, 2021

The following listing of CFP deadlines is taken from the LWN.net CFP Calendar.

DeadlineEvent Dates EventLocation
April 30 October 17
October 19		 All Things Open Raleigh, NC, and virtual
April 30 June 3 Live Embedded Event Online
May 2 June 18
June 25		 Akademy 2021 Online
May 4 June 18
June 20		 openSUSE conference online
May 12 June 1
June 30		 Ceph Month June Virtual
May 15 September 15
September 17		 International Workshop on OpenMP Bristol, UK
May 16 July 28
July 30		 EuroPython 2021 Online
May 22 September 17
September 20		 PyCon India 2021 Online
May 26 September 16
September 19		 EuroBSDCon 2021 online
June 10 July 19
July 23		 Netdev 0x15 Main Conference Online
June 13 September 27
September 29		 OSPOCon Seattle, WA, and online
June 13 September 27
September 30		 Open Source Summit + Embedded Linux Conference Seattle, WA, and online
June 13 September 28
September 30		 Qt Developer Conference [POSTPONED] Berlin, Germany
June 14 September 13
September 14		 OpenMP Developer Conference Bristol, UK
June 20 August 22
August 29		 DebConf Online
June 20 October 11
October 12		 Open Networking & Edge Summit + Kubernetes on Edge Day Virtual

If the CFP deadline for your event does not appear here, please tell us about it.

Upcoming Events

Netdev 0x15 going virtual

The Netdev conference will be held July 20-23. There was hope that an in-person event in San Francisco, CA would be possible, but the NetDev Society board has decided that the Netdev 0x15 will be fully virtual. The decision was based on this evaluation [PDF] conducted by the IETF.

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GNOME Foundation announces GUADEC Keynote speakers

The GNOME conference, GUADEC 2021, will take place July 21-25 online. "Our keynote speakers for this year are Hong Phuc Dang and Shauna Gordon-McKeon. Hong Phuc Dang chairs the annual FOSSASIA Summit and organizes Open Tech Summits in countries from Vietnam, India, China, and Sri Lanka, to Germany. She is the board member of the Open Source Business Alliance Europe and also serves as Vice President of the Open Source Initiative. Shauna Gordon-McKeon is a writer, programmer and community organizer who focuses on the intersection of technology and governance. She co-organizes the Washington DC chapter of the Tech Workers Coalition. She serves on the board of Tech Inquiry and is an advisor to Metagov."

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Events: April 29, 2021 to June 28, 2021

The following event listing is taken from the LWN.net Calendar.

Date(s)EventLocation
May 2
May 3		 PyCon Israel 2021 Online
May 4
May 6		 sambaXP 2021 Online
May 13
May 15		 Linux App Summit online
May 14
May 15		 PyCon US 2021 Online
May 25
May 26		 Yocto Project Virtual Summit 2021 Online
June 1
June 30		 Ceph Month June Virtual
June 3 Live Embedded Event Online
June 15
June 16		 stackconf online 2021 Online
June 18
June 20		 openSUSE conference online
June 18
June 25		 Akademy 2021 Online
June 22
June 23		 Postgres Vision 2020 online
June 23 Linaro and Arm CCA Tech Event Online
June 24
June 25		 Build Meetup 2021 Virtual

If your event does not appear here, please tell us about it.

Security updates

Alert summary April 22, 2021 to April 28, 2021

Dist. ID Release Package Date
Debian DSA-4906-1 stable chromium 2021-04-27
Debian DLA-2637-1 LTS drupal7 2021-04-23
Debian DLA-2633-1 LTS firefox-esr 2021-04-23
Debian DLA-2644-1 LTS gst-libav1.0 2021-04-27
Debian DSA-4901-1 stable gst-libav1.0 2021-04-24
Debian DLA-2642-1 LTS gst-plugins-bad1.0 2021-04-27
Debian DSA-4902-1 stable gst-plugins-bad1.0 2021-04-24
Debian DLA-2641-1 LTS gst-plugins-base1.0 2021-04-27
Debian DSA-4903-1 stable gst-plugins-base1.0 2021-04-24
Debian DLA-2640-1 LTS gst-plugins-good1.0 2021-04-26
Debian DSA-4900-1 stable gst-plugins-good1.0 2021-04-24
Debian DLA-2643-1 LTS gst-plugins-ugly1.0 2021-04-27
Debian DSA-4904-1 stable gst-plugins-ugly1.0 2021-04-24
Debian DLA-2638-1 LTS jackson-databind 2021-04-25
Debian DLA-2635-1 LTS libspring-java 2021-04-23
Debian DLA-2639-1 LTS opendmarc 2021-04-25
Debian DSA-4899-1 stable openjdk-11 2021-04-23
Debian DLA-2634-1 LTS openjdk-8 2021-04-23
Debian DLA-2636-1 LTS pjproject 2021-04-23
Debian DSA-4905-1 stable shibboleth-sp 2021-04-27
Debian DLA-2632-1 LTS thunderbird 2021-04-22
Debian DSA-4897-1 stable thunderbird 2021-04-22
Debian DSA-4896-1 stable wordpress 2021-04-22
Debian DSA-4898-1 stable wpa 2021-04-22
Fedora FEDORA-2021-ec00da7faa F33 buildah 2021-04-24
Fedora FEDORA-2021-e29c1ee892 F34 ceph 2021-04-27
Fedora FEDORA-2021-ec00da7faa F33 containers-common 2021-04-24
Fedora FEDORA-2021-ec00da7faa F33 crun 2021-04-24
Fedora FEDORA-2021-26a293c72b F32 curl 2021-04-21
Fedora FEDORA-2021-d8b1386945 F32 firefox 2021-04-26
Fedora FEDORA-2021-5ed46601f6 F33 firefox 2021-04-21
Fedora FEDORA-2021-6eb9bbbf0c F33 java-11-openjdk 2021-04-24
Fedora FEDORA-2021-8cd093f639 F32 kernel 2021-04-27
Fedora FEDORA-2021-e6b4847979 F33 kernel 2021-04-27
Fedora FEDORA-2021-8cd093f639 F32 kernel-headers 2021-04-27
Fedora FEDORA-2021-e6b4847979 F33 kernel-headers 2021-04-27
Fedora FEDORA-2021-8cd093f639 F32 kernel-tools 2021-04-27
Fedora FEDORA-2021-e6b4847979 F33 kernel-tools 2021-04-27
Fedora FEDORA-2021-f4223b6684 F33 mediawiki 2021-04-21
Fedora FEDORA-2021-9bd201dd4d F33 mingw-binutils 2021-04-21
Fedora FEDORA-2021-1ffffa0251 F33 nextcloud-client 2021-04-24
Fedora FEDORA-2021-242ef81244 F33 openvpn 2021-04-24
Fedora FEDORA-2021-186bca5b58 F33 os-autoinst 2021-04-21
Fedora FEDORA-2021-ec00da7faa F33 podman 2021-04-24
Fedora FEDORA-2021-b6b6093b3a F32 python3-docs 2021-04-23
Fedora FEDORA-2021-067c9deff1 F33 python3-docs 2021-04-23
Fedora FEDORA-2021-067c9deff1 F33 python3.9 2021-04-23
Fedora FEDORA-2021-eadfc56b95 F33 rpm-ostree 2021-04-21
Fedora FEDORA-2021-ec00da7faa F33 runc 2021-04-24
Fedora FEDORA-2021-d7f74f0250 F32 rust 2021-04-27
Fedora FEDORA-2021-b1ba54add6 F33 rust 2021-04-27
Fedora FEDORA-2021-5aaebdae8e F33 salt 2021-04-28
Fedora FEDORA-2021-f7b4c97879 F32 xorg-x11-server 2021-04-24
Mageia MGASA-2021-0195 7 connman 2021-04-24
Mageia MGASA-2021-0196 7, 8 krb5-appl 2021-04-24
Mageia MGASA-2021-0197 7, 8 virtualbox 2021-04-24
openSUSE openSUSE-SU-2021:0606-1 15.2 ImageMagick 2021-04-23
openSUSE openSUSE-SU-2021:0605-1 15.2 apache-commons-io 2021-04-23
openSUSE openSUSE-SU-2021:0621-1 15.2 firefox 2021-04-26
openSUSE openSUSE-SU-2021:0595-1 15 irssi 2021-04-23
openSUSE openSUSE-SU-2021:0620-1 jhead 2021-04-26
openSUSE openSUSE-SU-2021:0594-1 15.2 jhead 2021-04-23
openSUSE openSUSE-SU-2021:0619-1 15.2 libdwarf 2021-04-26
openSUSE openSUSE-SU-2021:0618-1 15.2 nim 2021-04-26
openSUSE openSUSE-SU-2021:0601-1 15.2 nodejs-underscore 2021-04-23
openSUSE openSUSE-SU-2021:0592-1 15.2 opera 2021-04-22
openSUSE openSUSE-SU-2021:0597-1 15 python-django-registration 2021-04-23
openSUSE openSUSE-SU-2021:0600-1 15.2 qemu 2021-04-23
openSUSE openSUSE-SU-2021:0607-1 15.2 ruby2.5 2021-04-24
openSUSE openSUSE-SU-2021:0598-1 15.2 shim 2021-04-23
openSUSE openSUSE-SU-2021:0602-1 15.2 sudo 2021-04-23
Oracle ELSA-2021-1363 OL7 firefox 2021-04-26
Oracle ELSA-2021-1363 OL7 firefox 2021-04-27
Oracle ELSA-2021-1360 OL8 firefox 2021-04-27
Oracle ELSA-2021-1301 OL8 java-1.8.0-openjdk 2021-04-21
Oracle ELSA-2021-1307 OL8 java-11-openjdk 2021-04-21
Oracle ELSA-2021-1242 OL8 mariadb:10.3 and mariadb-devel:10.3 2021-04-27
Oracle ELSA-2021-1350 OL7 thunderbird 2021-04-27
Oracle ELSA-2021-1353 OL8 thunderbird 2021-04-27
Oracle ELSA-2021-1354 OL7 xstream 2021-04-26
Oracle ELSA-2021-1354 OL7 xstream 2021-04-27
Red Hat RHSA-2021:1407-01 EL7 etcd 2021-04-27
Red Hat RHSA-2021:1363-01 EL7 firefox 2021-04-26
Red Hat RHSA-2021:1360-01 EL8 firefox 2021-04-26
Red Hat RHSA-2021:1362-01 EL8.1 firefox 2021-04-26
Red Hat RHSA-2021:1361-01 EL8.2 firefox 2021-04-26
Red Hat RHSA-2021:1373-01 EL7.3 kernel 2021-04-27
Red Hat RHSA-2021:1376-01 EL7.6 kernel 2021-04-27
Red Hat RHSA-2021:1379-01 EL7 kernel-alt 2021-04-27
Red Hat RHSA-2021:1377-01 EL7.6 kpatch-patch 2021-04-27
Red Hat RHSA-2021:1384-01 EL7 nss 2021-04-27
Red Hat RHSA-2021:1389-01 EL7 openldap 2021-04-27
Red Hat RHSA-2021:1350-01 EL7 thunderbird 2021-04-26
Red Hat RHSA-2021:1353-01 EL8 thunderbird 2021-04-26
Red Hat RHSA-2021:1351-01 EL8.1 thunderbird 2021-04-26
Red Hat RHSA-2021:1352-01 EL8.2 thunderbird 2021-04-26
Red Hat RHSA-2021:1354-01 EL7 xstream 2021-04-26
Scientific Linux SLSA-2021:1363-1 SL7 firefox 2021-04-26
Scientific Linux SLSA-2021:1384-1 SL7 nss 2021-04-27
Scientific Linux SLSA-2021:1389-1 SL7 openldap 2021-04-27
Scientific Linux SLSA-2021:1350-1 SL7 thunderbird 2021-04-26
Scientific Linux SLSA-2021:1354-1 SL7 xstream 2021-04-26
SUSE SUSE-SU-2021:1315-1 SLE12 apache-commons-io 2021-04-26
SUSE SUSE-SU-2021:14707-1 SLE11 curl 2021-04-28
SUSE SUSE-SU-2021:1396-1 SLE12 curl 2021-04-28
SUSE SUSE-SU-2021:1325-1 OS8 OS9 SLE12 firefox 2021-04-27
SUSE SUSE-SU-2021:1307-1 SLE15 firefox 2021-04-23
SUSE SUSE-SU-2021:1401-1 OS8 OS9 SLE12 gdm 2021-04-28
SUSE SUSE-SU-2021:1314-1 SLE12 java-11-openjdk 2021-04-26
SUSE SUSE-SU-2021:1301-1 SLE15 kernel 2021-04-21
SUSE SUSE-SU-2021:14706-1 SLE11 kvm 2021-04-23
SUSE SUSE-SU-2021:1399-1 OS8 OS9 SLE12 libnettle 2021-04-28
SUSE SUSE-SU-2021:1310-1 SLE15 librsvg 2021-04-23
SUSE SUSE-SU-2021:1292-1 SLE15 pcp 2021-04-21
SUSE SUSE-SU-2021:1313-1 SLE15 python-aiohttp 2021-04-26
SUSE SUSE-SU-2021:1305-1 SLE12 qemu 2021-04-22
SUSE SUSE-SU-2021:14705-1 SLE11 tomcat6 2021-04-21
Ubuntu USN-4924-1 16.04 dnsmasq 2021-04-22
Ubuntu USN-4927-1 16.04 18.04 20.04 20.10 file-roller 2021-04-26
Ubuntu USN-4926-1 16.04 18.04 20.04 20.10 firefox 2021-04-26
Ubuntu USN-4916-2 14.04 16.04 18.04 20.04 linux, linux-aws, linux-gke-5.3, linux-hwe, linux-kvm, linux-lts-xenial, linux-oem-5.6, linux-raspi2-5.3, linux-snapdragon 2021-04-21
Ubuntu USN-4892-1 16.04 18.04 20.04 20.10 openjdk-8, openjdk-lts 2021-04-27
Ubuntu USN-4922-2 20.04 ruby2.7 2021-04-26
Ubuntu USN-4925-1 20.04 shibboleth-sp 2021-04-22
Ubuntu USN-4913-2 21.04 underscore 2021-04-28
Full Story (comments: none)

Kernel patches of interest

Kernel releases

Linus Torvalds Linux 5.12 Apr 25
Alexandre Oliva GNU Linux-libre 5.12-gnu (Freedo misses Tasha) Apr 26
Greg Kroah-Hartman Linux 5.11.17 Apr 28
Greg Kroah-Hartman Linux 5.10.33 Apr 28
Greg Kroah-Hartman Linux 5.4.115 Apr 28
Greg Kroah-Hartman Linux 4.19.189 Apr 28
Greg Kroah-Hartman Linux 4.14.232 Apr 28
Greg Kroah-Hartman Linux 4.9.268 Apr 28
Greg Kroah-Hartman Linux 4.4.268 Apr 28

Architecture-specific

Chang S. Bae Improve Minimum Alternate Stack Size Apr 21
Kuppuswamy Sathyanarayanan Add multiprocessor wake-up support Apr 22
Yu-cheng Yu Control-flow Enforcement: Shadow Stack Apr 27
Yu-cheng Yu Control-flow Enforcement: Indirect Branch Tracking Apr 27

Core kernel

legion@kernel.org Count rlimits in each user namespace Apr 22
Peter Zijlstra sched: Core Scheduling Apr 22
Srikar Dronamraju sched/fair: wake_affine improvements Apr 22
Pavel Begunkov io_uring: dynamic buffers + rsrc tagging Apr 23
Alexei Starovoitov bpf: syscall program, FD array, loader program, light skeleton. Apr 22
Abel Wu cgroup2: introduce cpuset.mems.migration Apr 26
André Almeida Add futex2 syscalls Apr 27
Beata Michalska Rework CPU capacity asymmetry detection Apr 28
Liam Howlett Introducing the Maple Tree Apr 28

Development tools

Daniel Bristot de Oliveira hwlat improvements and osnoise/timerlat tracers Apr 23

Device drivers

Joe Sandom iio: light: Added AMS tsl2591 driver implementation Apr 21
Benjamin Gaignard IOMMU: Add driver for rk356x Apr 22
Quan Nguyen Add Ampere's Altra SMPro hwmon driver Apr 22
Prasanna Vengateshan net: dsa: microchip: DSA driver support for LAN937x switch Apr 22
Saeed Mahameed mlx5 External sub function controller Apr 21
Sai Krishna Potthuri Add ZynqMP pinctrl driver Apr 22
Liam Beguin add support for the lmk04832 Apr 22
Oleksij Rempel microchip: add support for ksz88x3 driver family Apr 23
Sean Nyekjaer iio: accel: add support for FXLS8962AF/FXLS8964AF accelerometers Apr 23
Erik Rosen hwmon: (pmbus/zl6100) Add support for ZLS1003, ZLS4009 and ZL8802 Apr 23
Rajeev Nandan drm: Add support for backlight control of eDP panel on ti-sn65dsi86 bridge Apr 24
Kevin Tang Add Unisoc's drm kms module Apr 25
Tomasz Duszynski iio: sps30: add support for serial interface Apr 25
Tomas Melin iio: accel: sca3300: Accelerometer support and binding doc Apr 26
James Smart [NEW] efct: Broadcom (Emulex) FC Target driver Apr 23
Yangbo Lu Support Ocelot PTP Sync one-step timestamping Apr 27
Manivannan Sadhasivam Add support for PCIe PHY in SDX55 Apr 27
Odelu Kukatla Add SC7280 interconnect provider driver Apr 27
Taniya Das Add support for DISP/VIDEO/GPU CCs for SC7280 Apr 27
Vadim Pasternak Add support for MPS Multi-phase mp2888 controller Apr 27
Oleksij Rempel mainline ti tsc2046 adc driver Apr 28
Radu Pirea (NXP OSS) Add PTP support for TJA1103 Apr 28
Roger Lu soc: mediatek: SVS: introduce MTK SVS Apr 28
Lizhi Hou XRT Alveo driver overview Apr 27
Douglas Gilbert sg: add v4 interface, request sharing Apr 27
Nelson Costa Add Synopsys DesignWare HDMI RX Controller and PHY drivers Apr 28
Matthias Kaehlcke USB: misc: Add onboard_usb_hub driver Apr 28

Device-driver infrastructure

Hans de Goede drm: Add privacy-screen class and connector properties Apr 21
Harry Wentland A drm_plane API to support HDR planes Apr 26
Claire Chang Restricted DMA Apr 22
Hsin-Yi Wang add power control in i2c Apr 27
Sergey Senozhatsky videobuf2: support new noncontiguous DMA API Apr 27
Tomi Valkeinen v4l: subdev internal routing Apr 27

Filesystems and block layer

Ming Lei block: support bio based io polling Apr 22
Christoph Hellwig switch block layer polling to a bio based model Apr 26
David Howells Network fs helper library & fscache kiocb API Apr 23
Naohiro Aota implement zone-aware probing/wiping for zoned btrfs Apr 26
Gabriel Krisman Bertazi File system wide monitoring Apr 26
Omar Sandoval fs: interface for directly reading/writing compressed data Apr 26
Qu Wenruo btrfs: add data write support for subpage Apr 28
Allison Henderson xfs: Delay Ready Attributes Apr 28
Qiaowei Ren nvm page allocator for bcache Apr 28

Memory management

Mel Gorman Use local_lock for pcp protection and reduce stat overhead Apr 22
Muchun Song Free some vmemmap pages of HugeTLB page Apr 25
Peter Xu userfaultfd-wp: Support shmem and hugetlbfs Apr 27
Axel Rasmussen userfaultfd: add minor fault handling for shmem Apr 27
Muchun Song Shrink the list lru size on memory cgroup removal Apr 28
Uladzislau Rezki (Sony) mm/vmalloc.c: Introduce vfree_bulk() interface Apr 28

Networking

dlinkin@nvidia.com devlink: rate objects API Apr 21
Kumar Kartikeya Dwivedi Add TC-BPF API Apr 23
Kuniyuki Iwashima Socket migration for SO_REUSEPORT. Apr 27

Security-related

Mickaël Salaün Landlock LSM Apr 22
Jari Ruusu Announce loop-AES-v3.7u file/swap crypto package Apr 27

Virtualization and containers

Ashish Kalra Add guest support for SEV live migration. Apr 22
Hikaru Nishida x86/kvm: Virtual suspend time injection support Apr 26
Kuppuswamy Sathyanarayanan Add TDX Guest Support Apr 26
Vineeth Pillai Hyper-V nested virt enlightenments for SVM Apr 27

Miscellaneous

Nick Terrell Update to zstd-1.4.10 Apr 26

Page editor: Rebecca Sobol


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