Тормозит GTK3

lspci | grep VGA
lspci -k

lspci | grep VGA 
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)

lspci -k        
00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
	Subsystem: Lenovo Haswell-ULT DRAM Controller
	Kernel driver in use: hsw_uncore
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
	Subsystem: Lenovo Haswell-ULT Integrated Graphics Controller
	Kernel driver in use: i915
	Kernel modules: i915
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
	Subsystem: Lenovo Haswell-ULT HD Audio Controller
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
	Subsystem: Lenovo 8 Series USB xHCI HC
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci
00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)
	Subsystem: Lenovo 8 Series HECI
	Kernel driver in use: mei_me
	Kernel modules: mei_me
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
	Subsystem: Lenovo 8 Series HD Audio Controller
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
	Subsystem: Lenovo 8 Series USB EHCI
	Kernel driver in use: ehci-pci
	Kernel modules: ehci_pci
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
	Subsystem: Lenovo 8 Series LPC Controller
	Kernel driver in use: lpc_ich
	Kernel modules: lpc_ich
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
	Subsystem: Lenovo 8 Series SATA Controller 1 [AHCI mode]
	Kernel driver in use: ahci
	Kernel modules: ahci
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
	Subsystem: Lenovo 8 Series SMBus Controller
	Kernel driver in use: i801_smbus
	Kernel modules: i2c_i801
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
	Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
	Kernel driver in use: r8169
	Kernel modules: r8169

...
connect(7, {sa_family=AF_UNIX, sun_path=@"/tmp/.X11-unix/X0"}, 20) = 0
...
далее в огромном количестве:
...
recvmsg(7, {msg_namelen=0}, 0)          = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=7, events=POLLIN}], 2, 0) = 0 (Timeout)

% firefox-esr 
ATTENTION: default value of option force_s3tc_enable overridden by environment.

% transmission-gtk
(transmission-gtk:9864): Gtk-WARNING **: Invalid icon size -1