Path: csiph.com!pasdenom.info!newsfeed.bofh.team!news.nntp4.net!news.hispagatos.org!srl.newsdeef.eu!news.corradoroberto.it!bofh.it!news.nic.it!robomod From: bob Newsgroups: linux.debian.bugs.dist,linux.debian.kernel Subject: Bug#1132448: firmware-mediatek: Wifi perf degraded a lot after upgrade firmware-mediatek from 20250410-2 to 20260221-1~bpo13+1 and 20260309-1 Date: Wed, 01 Apr 2026 08:30:02 +0200 Message-ID: X-Original-To: Debian Bug Tracking System X-Mailbox-Line: From debian-bugs-dist-request@lists.debian.org Wed Apr 1 06:29:34 2026 Old-Return-Path: X-Spam-Flag: NO X-Spam-Score: 0.577 Reply-To: bob , 1132448@bugs.debian.org Resent-To: debian-bugs-dist@lists.debian.org Resent-Cc: ybzhao1989@hotmail.com, ybzhao1989@hotmail.com, debian-kernel@lists.debian.org X-Debian-Pr-Message: report 1132448 X-Debian-Pr-Package: firmware-mediatek X-Debian-Pr-Source: firmware-nonfree Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: reportbug 13.2.0 X-Debian-Message: from BTS X-Mailing-List: archive/latest/1961722 List-ID: List-URL: Approved: robomod@news.nic.it Lines: 41 Organization: linux.* mail to news gateway Sender: robomod@news.nic.it X-Original-Date: Wed, 01 Apr 2026 14:26:57 +0800 X-Original-Message-ID: <177502481745.23094.17422078677370002502.reportbug@df-fast> Xref: csiph.com linux.debian.bugs.dist:1288063 linux.debian.kernel:91875 Package: firmware-mediatek Version: 20260221-1~bpo13+1 Severity: important X-Debbugs-Cc: ybzhao1989@hotmail.com, ybzhao1989@hotmail.com Wifi perf degraded a lot after upgrade firmware-mediatek from 20250410-2 to 20260221-1~bpo13+1 and 20260309-1. With the new firmware, the wifi iperf3 test speed is around 100MB/s within 1 minute connected to a wireless router, but it gradually downgrades to 10MB/s, router iperf3 sends, pc receives. After downgraded firmware-mediatek to 20250410-2, the problem is gone. Please see also these similar reports: https://www.reddit.com/r/archlinux/comments/1rsk5od/for_those_having_network_speed_issues_with_a/ https://bbs.archlinux.org/viewtopic.php?id=312031 > The most updated work version on archlinux is 20251125-2. -- System Information: Debian Release: forky/sid APT prefers testing APT policy: (990, 'testing'), (500, 'stable-updates'), (500, 'stable-security'), (500, 'oldstable-updates'), (500, 'unstable'), (500, 'stable'), (500, 'oldstable') Architecture: amd64 (x86_64) Kernel: Linux 6.19.8+deb14-amd64 (SMP w/24 CPU threads; PREEMPT) Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled firmware-mediatek depends on no packages. firmware-mediatek recommends no packages. Versions of packages firmware-mediatek suggests: ii initramfs-tools 0.150 -- no debconf information