[GH-ISSUE #344] Epsilon + Khi + KhiCAS, bootloader gets skipped #157

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opened 2026-05-06 13:15:52 +02:00 by BreizhHardware · 2 comments

BreizhHardware commented

2026-05-06 13:15:52 +02:00

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Originally created by @Alerymin on GitHub (Oct 7, 2023).
Original GitHub issue: https://github.com/UpsilonNumworks/Upsilon/issues/344

Describe the bug
When I have:
Slot 1: Epsilon
Slot 2: Khi

Apps: KhiCAS (fron Upsilon External)

The bootloader gets skipped and I can't start Khi

To Reproduce
Steps to reproduce the behavior:

Install Upsilon bootloader
Install Epsilon in slot A
Install Khi in slot 2 from https://xcas.univ-grenoble-alpes.fr/nw/nws.html
Install KhiCAS from Upsilon external (from flash slots mode)
Reset
Bootloader is skipped

Expected behavior
Bootloader displayed and allowing booting from Epsilon or Khi

Device (please complete the following information):

n0110
bootloader 1.0.7

Originally created by @Alerymin on GitHub (Oct 7, 2023). Original GitHub issue: https://github.com/UpsilonNumworks/Upsilon/issues/344 **Describe the bug** When I have: Slot 1: Epsilon Slot 2: Khi Apps: KhiCAS (fron Upsilon External) The bootloader gets skipped and I can't start Khi **To Reproduce** Steps to reproduce the behavior: 1. Install Upsilon bootloader 2. Install Epsilon in slot A 3. Install Khi in slot 2 from https://xcas.univ-grenoble-alpes.fr/nw/nws.html 4. Install KhiCAS from Upsilon external (from flash slots mode) 5. Reset 6. Bootloader is skipped **Expected behavior** Bootloader displayed and allowing booting from Epsilon or Khi **Device (please complete the following information):** - n0110 - bootloader 1.0.7

BreizhHardware commented

2026-05-06 13:15:53 +02:00

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@Yaya-Cout commented on GitHub (Oct 8, 2023):

It seems to be related to the exam mode (I haven't tested yet).

@Yaya-Cout commented on GitHub (Oct 8, 2023): It seems to be related to the exam mode (I haven't tested yet).

BreizhHardware commented

2026-05-06 13:15:53 +02:00

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Owner

@Alerymin commented on GitHub (Oct 8, 2023):

It's important to note that there is something with KhiCAS, because with Epsilon + Khi only there is no problem

@Alerymin commented on GitHub (Oct 8, 2023): It's important to note that there is something with KhiCAS, because with Epsilon + Khi only there is no problem