https://bugs.kde.org/show_bug.cgi?id=443993
Bug ID: 443993
Summary: Momentary blackscreen upon ejection of USB drive
Product: kwin
Version: git-stable-Plasma/5.22
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: gnom...@protonmail.com
Target Milestone: ---
SUMMARY
Momentary black screen whenever I software eject a USB drive, actually removing
the device after software ejection does not cause it now does simply removing
the drive without first un-mounting it.
STEPS TO REPRODUCE
1. Insert any USB stick
2. Software Eject it, either from CLI, Dolphin or the Task Tray.
OBSERVED RESULT
Momentary, under a second, black screen across the entire display, only the
mouse remains visible.
EXPECTED RESULT
No black screen.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Manjaro
KDE Plasma Version: 5.22.5
KDE Frameworks Version: 5.87.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
For me this is an extremely minor bug that I personally don't have issue with -
if anything in fact it gives an extra layer of confirmation that I've ejected
the drive. However, I am aware it is still a bug.
journalctl output during a mount to eject sequence :
==========
Oct 18 20:26:52 Styx kernel: usb 2-1: new SuperSpeed Gen 1 USB device number 8
using xhci_hcd
Oct 18 20:26:52 Styx kernel: usb 2-1: New USB device found, idVendor=0781,
idProduct=5588, bcdDevice= 1.00
Oct 18 20:26:52 Styx kernel: usb 2-1: New USB device strings: Mfr=2, Product=3,
SerialNumber=1
Oct 18 20:26:52 Styx kernel: usb 2-1: Product: USB Extreme Pro
Oct 18 20:26:52 Styx kernel: usb 2-1: Manufacturer: SanDisk
Oct 18 20:26:52 Styx kernel: usb 2-1: SerialNumber: 12345978D812
Oct 18 20:26:52 Styx kernel: usb-storage 2-1:1.0: USB Mass Storage device
detected
Oct 18 20:26:52 Styx kernel: scsi host0: usb-storage 2-1:1.0
Oct 18 20:26:52 Styx mtp-probe[188940]: checking bus 2, device 8:
"/sys/devices/pci0000:00/0000:00:14.0/usb2/2-1"
Oct 18 20:26:52 Styx mtp-probe[188940]: bus: 2, device: 8 was not an MTP device
Oct 18 20:26:53 Styx mtp-probe[188970]: checking bus 2, device 8:
"/sys/devices/pci0000:00/0000:00:14.0/usb2/2-1"
Oct 18 20:26:53 Styx mtp-probe[188970]: bus: 2, device: 8 was not an MTP device
Oct 18 20:26:53 Styx kernel: scsi 0:0:0:0: Direct-Access SanDisk Extreme
Pro 0 PQ: 0 ANSI: 6
Oct 18 20:26:53 Styx kernel: sd 0:0:0:0: [sda] 250085376 512-byte logical
blocks: (128 GB/119 GiB)
Oct 18 20:26:53 Styx kernel: sd 0:0:0:0: [sda] Write Protect is off
Oct 18 20:26:53 Styx kernel: sd 0:0:0:0: [sda] Mode Sense: 43 00 00 00
Oct 18 20:26:53 Styx kernel: sd 0:0:0:0: [sda] Write cache: enabled, read
cache: enabled, doesn't support DPO or FUA
Oct 18 20:26:53 Styx kernel: sda: sda1
Oct 18 20:26:53 Styx kernel: sd 0:0:0:0: [sda] Attached SCSI removable disk
Oct 18 20:26:59 Styx udisksd[889]: Mounted /dev/sda1 at /run/media/gnome/SPEEDY
on behalf of uid 1000
Oct 18 20:27:03 Styx kwin_x11[1003]: kwin_core: XCB error: 152 (BadDamage),
sequence: 52916, resource id: 15411957, major code: 143 (DAMAGE), minor code: 2
(Destroy)
Oct 18 20:27:03 Styx kwin_x11[1003]: kwin_core: XCB error: 3 (BadWindow),
sequence: 52918, resource id: 62914633, major code: 129 (SHAPE), minor code: 6
(Input)
Oct 18 20:27:03 Styx kwin_x11[1003]: qt.qpa.xcb: QXcbConnection: XCB error: 3
(BadWindow), sequence: 52919, resource id: 62914633, major code: 2
(ChangeWindowAttributes), minor code: 0
Oct 18 20:27:03 Styx systemd[1]: run-media-gnome-SPEEDY.mount: Deactivated
successfully.
Oct 18 20:27:03 Styx udisksd[889]: Cleaning up mount point
/run/media/gnome/SPEEDY (device 8:1 is not mounted)
Oct 18 20:27:03 Styx udisksd[889]: Unmounted /dev/sda1 on behalf of uid 1000
Oct 18 20:27:03 Styx kernel: sda: detected capacity change from 128043712512 to
0
Oct 18 20:27:06 Styx kernel: usb 2-1: USB disconnect, device number 8
==========
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