I have the same issue, firefox 146. Here is my system info:
$ firefox --version
Mozilla Firefox 146.0
$ inxi -zv8
System:
Kernel: 6.12.62-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 15.2.1
clocksource: tsc avail: hpet,acpi_pm
parameters: BOOT_IMAGE=/boot/vmlinuz-6.12-x86_64
root=UUID=bac72f42-7757-456d-9200-963a2a9bb1ae rw quiet apparmor=1
security=apparmor udev.log_priority=3
Desktop: Xfce v: 4.20.1 tk: Gtk v: 3.24.51 wm: xfwm4 v: 4.20.0
with: xfce4-panel tools: light-locker,xfce4-screensaver vt: 7 dm: LightDM
v: 1.32.0 Distro: Manjaro base: Arch Linux
Machine:
Type: Laptop System: LENOVO product: 4242N23 v: ThinkPad T520
serial: <superuser required> Chassis: type: 10 serial: <superuser required>
Mobo: LENOVO model: 4242N23 serial: <superuser required>
uuid: <superuser required> Firmware: UEFI-[Legacy] vendor: LENOVO
v: 8AET64WW (1.44 ) date: 07/26/2013
Battery:
ID-1: BAT0 charge: 59.5 Wh (74.5%) condition: 79.9/93.6 Wh (85.3%)
volts: 12.07 min: 11.1 model: LGC 45N1011 type: Li-ion serial: <filter>
charging: status: not charging control: start: 0% end: 75% cycles: N/A
Memory:
System RAM: total: 8 GiB available: 7.64 GiB used: 3.22 GiB (42.2%)
Message: For most reliable report, use superuser + dmidecode.
Array-1: capacity: 16 GiB slots: 2 modules: 2 EC: None
max-module-size: 8 GiB note: est.
Device-1: ChannelA-DIMM0 type: DDR3 detail: synchronous size: 4 GiB
speed: 1333 MT/s volts: N/A width (bits): data: 64 total: 64
manufacturer: Hynix/Hyundai part-no: HMT351S6CFR8C-H9 serial: <filter>
Device-2: ChannelB-DIMM0 type: DDR3 detail: synchronous size: 4 GiB
speed: 1333 MT/s volts: N/A width (bits): data: 64 total: 64
manufacturer: Hynix/Hyundai part-no: HMT351S6EFR8C-PB serial: <filter>
PCI Slots:
Permissions: Unable to run dmidecode. Root privileges required.
CPU:
Info: model: Intel Core i7-2640M bits: 64 type: MT MCP arch: Sandy Bridge
gen: core 2 level: v2 built: 2010-12 process: Intel 32nm family: 6
model-id: 0x2A (42) stepping: 7 microcode: 0x2F
Topology: cpus: 1x dies: 1 clusters: 2 cores: 2 threads: 4 tpc: 2
smt: enabled cache: L1: 128 KiB desc: d-2x32 KiB; i-2x32 KiB L2: 512 KiB
desc: 2x256 KiB L3: 4 MiB desc: 1x4 MiB
Speed (MHz): avg: 797 min/max: 800/3500 scaling: driver: intel_cpufreq
governor: schedutil cores: 1: 797 2: 797 3: 797 4: 797 bogomips: 22337
Flags: acpi aes aperfmperf apic arat arch_perfmon avx bts clflush cmov
constant_tsc cpuid cx16 cx8 de ds_cpl dtes64 dtherm dts epb est flush_l1d
fpu fxsr ht ibpb ibrs ida lahf_lm lm mca mce md_clear mmx monitor msr
mtrr nonstop_tsc nopl nx pae pat pbe pcid pclmulqdq pdcm pebs pge pln pni
popcnt pse pse36 pti pts rdtscp sep smx ssbd sse sse2 sse4_1 sse4_2 ssse3
stibp syscall tm tm2 tsc tsc_deadline_timer vme x2apic xsave xsaveopt
xtopology xtpr
Vulnerabilities:
Type: gather_data_sampling status: Not affected
Type: indirect_target_selection status: Not affected
Type: itlb_multihit status: KVM: VMX unsupported
Type: l1tf mitigation: PTE Inversion
Type: mds mitigation: Clear CPU buffers; SMT vulnerable
Type: meltdown mitigation: PTI
Type: mmio_stale_data status: Unknown: No mitigations
Type: reg_file_data_sampling status: Not affected
Type: retbleed status: Not affected
Type: spec_rstack_overflow status: Not affected
Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
prctl
Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
sanitization
Type: spectre_v2 mitigation: Retpolines; IBPB: conditional; IBRS_FW;
STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not
affected
Type: srbds status: Not affected
Type: tsa status: Not affected
Type: tsx_async_abort status: Not affected
Type: vmscape mitigation: IBPB before exit to userspace
Graphics:
Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics
vendor: Lenovo driver: i915 v: kernel arch: Gen-6 code: Sandybridge
process: Intel 32nm built: 2011 ports: active: LVDS-1 empty: VGA-1
bus-ID: 00:02.0 chip-ID: 8086:0126 class-ID: 0300
Device-2: NVIDIA GF119M [Quadro NVS 4200M] vendor: Lenovo driver: nvidia
v: 390.157 alternate: nouveau,nvidia_drm non-free: series: 390.xx+
status: legacy (EOL~2022-11-22) last: release: 390.157 kernel: 6.0
xorg: 1.21 arch: Fermi code: GF1xx process: 40/28nm built: 2010-2016 pcie:
gen: 1 speed: 2.5 GT/s lanes: 16 ports: active: none empty: DP-1, DP-2,
DP-3, LVDS-2, VGA-2 bus-ID: 01:00.0 chip-ID: 10de:1057 class-ID: 0300
Device-3: Chicony Lenovo Integrated Camera (0.3MP) driver: uvcvideo
type: USB rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 2-1.6:6
chip-ID: 04f2:b217 class-ID: 0e02
Display: x11 server: X.Org v: 21.1.21 compositor: xfwm4 v: 4.20.0 driver:
X: loaded: modesetting dri: crocus gpu: i915 display-ID: :0.0 screens: 1
Screen-1: 0 s-res: 1600x900 s-dpi: 96 s-size: 424x239mm (16.69x9.41")
s-diag: 487mm (19.16")
Monitor-1: LVDS-1 model: Lenovo 0x40b1 built: 2010 res: mode: 1600x900
hz: 60 scale: 100% (1) dpi: 118 gamma: 1.2 chroma: red: x: 0.620 y: 0.341
green: x: 0.329 y: 0.573 blue: x: 0.149 y: 0.059 white: x: 0.314 y: 0.329
size: 344x194mm (13.54x7.64") diag: 395mm (15.5") ratio: 16:9
modes: 1600x900
API: EGL v: 1.5 hw: drv: intel crocus platforms: gbm: drv: kms_swrast
surfaceless: drv: crocus x11: drv: crocus inactive: wayland
API: OpenGL v: 4.5 compat-v: 3.3 vendor: intel mesa v: 25.3.1-arch1.2
glx-v: 1.4 direct-render: yes renderer: Mesa Intel HD Graphics 3000 (SNB
GT2) device-ID: 8086:0126 memory: 1.46 GiB unified: yes
Info: Tools: api: eglinfo,glxinfo de: xfce4-display-settings
gpu: nvidia-smi x11: xdpyinfo, xprop, xrandr
Audio:
Device-1: Intel 6 Series/C200 Series Family High Definition Audio
vendor: Lenovo ThinkPad T520 driver: snd_hda_intel v: kernel bus-ID: 00:1b.0
chip-ID: 8086:1c20 class-ID: 0403
Device-2: NVIDIA GF119 HDMI Audio vendor: Lenovo driver: snd_hda_intel
v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 16 bus-ID: 01:00.1
chip-ID: 10de:0e08 class-ID: 0403
API: ALSA v: k6.12.62-1-MANJARO status: kernel-api with: aoss
type: oss-emulator tools: alsactl,alsamixer,amixer
Server-1: sndiod v: N/A status: off tools: aucat,midicat,sndioctl
Server-2: JACK v: 1.9.22 status: off tools: N/A
Server-3: PipeWire v: 1.4.9 status: off tools: pw-cli
Server-4: PulseAudio v: 17.0-93-gbe2efb status: active with:
1: pulseaudio-alsa type: plugin 2: pulseaudio-jack type: module
tools: pacat,pactl,pavucontrol
Network:
Device-1: Intel 82579LM Gigabit Network vendor: Lenovo ThinkPad T520
driver: e1000e v: kernel port: 6080 bus-ID: 00:19.0 chip-ID: 8086:1502
class-ID: 0200
IF: enp0s25 state: down mac: <filter>
Device-2: Intel Centrino Advanced-N 6205 [Taylor Peak] driver: iwlwifi
v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 1 bus-ID: 03:00.0
chip-ID: 8086:0085 class-ID: 0280
IF: wlp3s0 state: up mac: <filter>
IP v4: <filter> type: dynamic noprefixroute scope: global
broadcast: <filter>
IP v6: <filter> type: dynamic noprefixroute scope: global
IP v6: <filter> type: dynamic noprefixroute scope: global
IP v6: <filter> type: noprefixroute scope: link
IF-ID-1: docker0 state: down mac: <filter>
IP v4: <filter> scope: global broadcast: <filter>
Info: services: NetworkManager, systemd-timesyncd, wpa_supplicant
WAN IP: <filter>
Bluetooth:
Device-1: Broadcom BCM2045B (BDC-2.1) driver: btusb v: 0.8 type: USB
rev: 2.0 speed: 12 Mb/s lanes: 1 mode: 1.1 bus-ID: 2-1.4:5
chip-ID: 0a5c:217f class-ID: fe01 serial: <filter>
Report: rfkill ID: hci0 rfk-id: 2 state: up address: see --recommends
Logical:
Message: No logical block device data found.
RAID:
Message: No RAID data found.
Drives:
Local Storage: total: 3.71 TiB used: 2.8 TiB (75.3%)
SMART Message: Unable to run smartctl. Root privileges required.
ID-1: /dev/sda maj-min: 8:0 vendor: Western Digital
model: WDS400T2B0A-00SM50 size: 3.64 TiB block-size: physical: 512 B
logical: 512 B speed: 6.0 Gb/s tech: SSD serial: <filter> fw-rev: 20WD
scheme: MBR
ID-2: /dev/sdb maj-min: 8:16 vendor: Intel model: SSDMAEMC080G2L
size: 74.53 GiB block-size: physical: 512 B logical: 512 B speed: 3.0 Gb/s
tech: SSD serial: <filter> fw-rev: 02M3 scheme: GPT
Optical-1: /dev/sr0 vendor: β β β β β β β β model: DVD-RAM UJ8B0 rev: SB01
dev-links: cdrom
Features: speed: 24 multisession: yes audio: yes dvd: yes
rw: cd-r,cd-rw,dvd-r,dvd-ram state: running
Partition:
ID-1: / raw-size: 1.82 TiB size: 1.79 TiB (98.37%) used: 1.35 TiB (75.2%)
fs: ext4 dev: /dev/sda1 maj-min: 8:1 label: N/A
uuid: bac72f42-7757-456d-9200-963a2a9bb1ae
ID-2: /home/<filter>/p2 raw-size: 1.82 TiB size: 1.79 TiB (98.37%)
used: 1.44 TiB (80.4%) fs: ext4 dev: /dev/sda2 maj-min: 8:2 label: p2
uuid: 5464c243-ec5d-4540-b54d-e37ac9a17126
ID-3: /home/<filter>/pCloudDrive raw-size: N/A size: 14 GiB
used: 11.6 GiB (82.9%) fs: fuse source: ERR-102
Swap:
Kernel: swappiness: 60 (default) cache-pressure: 100 (default) zswap: no
ID-1: swap-1 type: zram size: 3.82 GiB used: 0 KiB (0.0%) priority: 100
comp: lz4 avail: lzo-rle,lzo,lz4hc,zstd,deflate,842 max-streams: 4
dev: /dev/zram0
Unmounted:
ID-1: /dev/sdb1 maj-min: 8:17 size: 100 MiB fs: vfat label: N/A
uuid: B22E-0E69
ID-2: /dev/sdb2 maj-min: 8:18 size: 16 MiB fs: <superuser required>
label: N/A uuid: N/A
ID-3: /dev/sdb3 maj-min: 8:19 size: 73.95 GiB fs: ntfs label: N/A
uuid: 34A03037A02FFDC4
ID-4: /dev/sdb4 maj-min: 8:20 size: 478 MiB fs: ntfs label: N/A
uuid: FA8AC08A8AC044BB
USB:
Hub-1: 1-0:1 info: full speed or root hub ports: 3 rev: 2.0
speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
class-ID: 0900
Hub-2: 1-1:2 info: Intel Integrated Rate Matching Hub ports: 8 rev: 2.0
speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 8087:0024
class-ID: 0900
Hub-3: 2-0:1 info: full speed or root hub ports: 3 rev: 2.0
speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
class-ID: 0900
Hub-4: 2-1:2 info: Intel Integrated Rate Matching Hub ports: 6 rev: 2.0
speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 8087:0024
class-ID: 0900
Device-1: 2-1.2:9 info: USB OPTICAL MOUSE type: mouse
driver: hid-generic,usbhid interfaces: 1 rev: 1.1
speed: 1.5 Mb/s (183 KiB/s) lanes: 1 mode: 1.0 power: 100mA
chip-ID: 0000:3825 class-ID: 0301
Device-2: 2-1.3:4 info: Upek Biometric Touchchip/Touchstrip Fingerprint
Sensor type: <vendor specific> driver: N/A interfaces: 1 rev: 1.0
speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 100mA
chip-ID: 147e:2016 class-ID: 0000
Device-3: 2-1.4:5 info: Broadcom BCM2045B (BDC-2.1) type: bluetooth
driver: btusb interfaces: 4 rev: 2.0 speed: 12 Mb/s (1.4 MiB/s) lanes: 1
mode: 1.1 chip-ID: 0a5c:217f class-ID: fe01 serial: <filter>
Device-4: 2-1.6:6 info: Chicony Lenovo Integrated Camera (0.3MP)
type: video driver: uvcvideo interfaces: 2 rev: 2.0
speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 200mA
chip-ID: 04f2:b217 class-ID: 0e02
Sensors:
System Temperatures: cpu: 49.0 C mobo: N/A
Fan Speeds (rpm): cpu: 2216
Repos:
Packages: 2865 pm: pacman pkgs: 2838 libs: 607 tools: pamac,yay pm: flatpak
pkgs: 17 pm: snap pkgs: 10
Active pacman repo servers in: /etc/pacman.conf
1: https://download.sublimetext.com/arch/stable/x86_64
2: https://download.sublimetext.com/arch/stable/x86_64
Active pacman repo servers in: /etc/pacman.d/mirrorlist
1: https://irltoolkit.mm.fcix.net/manjaro/stable/$repo/$arch
2: https://forksystems.mm.fcix.net/manjaro/stable/$repo/$arch
3: https://ohioix.mm.fcix.net/manjaro/stable/$repo/$arch
4: https://muug.ca/mirror/manjaro/stable/$repo/$arch
5: https://mirror.math.princeton.edu/pub/manjaro/stable/$repo/$arch
6: https://codingflyboy.mm.fcix.net/manjaro/stable/$repo/$arch
7: https://nnenix.mm.fcix.net/manjaro/stable/$repo/$arch
8: https://repo.ialab.dsu.edu/manjaro/stable/$repo/$arch
Processes:
CPU top: 5 of 257
1: cpu: 12.3% command: firefox pid: 1280485 mem: 701.8 MiB (8.9%)
2: cpu: 5.8% command: Xorg pid: 1248 mem: 129.1 MiB (1.6%)
3: cpu: 5.6% command: firefox pid: 1280965 mem: 357.1 MiB (4.5%)
4: cpu: 2.6% command: java pid: 1032837 mem: 465.3 MiB (5.9%)
5: cpu: 2.1% command: conky pid: 2854 mem: 23.3 MiB (0.2%)
Memory top: 5 of 257
1: mem: 701.8 MiB (8.9%) command: firefox pid: 1280485 cpu: 12.3%
2: mem: 465.3 MiB (5.9%) command: java pid: 1032837 cpu: 2.6%
3: mem: 357.1 MiB (4.5%) command: firefox pid: 1280965 cpu: 5.6%
4: mem: 275.3 MiB (3.5%) command: firefox pid: 1280889 cpu: 1.2%
5: mem: 220.0 MiB (2.8%) command: firefox pid: 1280703 cpu: 1.8%
Info:
Processes: 257 Power: uptime: 23h 23m states: freeze,mem,disk suspend: deep
avail: s2idle wakeups: 0 hibernate: platform avail: shutdown, reboot,
suspend, test_resume image: 3.03 GiB services: upowerd,xfce4-power-manager
Init: systemd v: 258 default: graphical tool: systemctl
Compilers: clang: 21.1.6 gcc: 15.2.1 Shell: Bash v: 5.3.8
running-in: xfce4-terminal inxi: 3.3.40