Comment 25 for bug 1863672

@Michael Hudson-Doyle,

After some more testing I have to add some (maybe confusing, maybe helpful) information:

A - The bug appears in

1. a Toshiba laptop with an Intel i5 generaton 3 CPU (in BIOS mode and UEFI mode)

http://www.toshiba.se/laptops/satellite-pro/c850/satellite-pro-c850-19w/

This Toshiba laptop has been my main testing computer for several years.

2. a Dell laptop with an Intel i5 generation 4 CPU (in BIOS mode and UEFI mode)

https://www.cnet.com/products/dell-latitude-e7240-12-5-core-i5-4310u-8-gb-ram-128-gb-ssd-english/specs/

3. A Lenovo laptop with an Intel i3 generation 2 CPU (tested only in UEFI mode)

https://shop.lenovo.com/ISS_Static/ww/wci/products/us/laptop/thinkpad/x-series/x131e-intel/X131e-Datasheet-Intel.pdf

B - The bug does *not* appear in

1. an HP Probook 6450b laptop with an Intel i5 M520, tested only in BIOS mode

2. a Lenovo V130-14IKB laptop with an Intel i5 generation 7 CPU (rather new), tested only in UEFI mode

3. a Dell laptop with an Intel i7 generation 4 CPU (in BIOS mode and UEFI mode)

https://www.cnet.com/products/dell-precision-mobile-workstation-m4800-15-6-core-i7-4810mq-8-gb-ram-256-gb-ssd-english/specs/

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I think that there is some kind of race condition as you suspected already in comment #4.