fopen vs open in C
1. fopen is defined in the C standard library , but open is not. Therefore fopen is more portable than open.
2. fopen provides you with buffering IO that may turn out to be a lot faster than what you're doing with open.
BdsDex: failed to load Boot0001 "UEFI BHYVE SATA DISK BHYVE-OABE-20A5-E582" from PciRoot(0x0)/Pci (0x2, 0x0)/Stat(0x0,0xFFFF,0x0) : Not Found
When you start Debian Linux after you installed Debian with UEFI bhyve on FreeBSD and rebooted FreeBSD, you will get the error message as follows: BdsDex: failed to load Boot0001 "UEFI BHYVE SATA DISK BHYVE-OABE-20A5-E582" from PciRoot(0x0)/Pci (0x2, 0x0)/Stat(0x0,0xFFFF,0x0) : Not Found Description It will try other way to start system, but it will failed finally. At the last, it will come to UEFI Shell . How to access the Debian Guest VM? 1. Enter exit get out of the UEFI Shell (you will come to BHYVE panel) 2. Choose Boot Maintenance Manager 3. (In the Boot Maintenace Manager ) Choose Boot From File 4. (In File Explorer) NO VOLUME LABEL, [PciRoot(0x0)/ Pci()] press Enter 5. (Still in the File Explorer) Choose <EFI> 6. (Still in the File Explorer) Choose debian 7. (Still in the File Explorer) Choose grubx64.efi 8. Then you will get into the system How can you fix it: 1) Get access inside your Debian Guest VM. 2) as root: cd /boot/efi/ 3) mkdir -p...
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