Differences
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| supported_devices:864_warning [2020/08/27 19:10] – Initial 8/64 warning page hnyman | supported_devices:864_warning [2022/10/29 05:52] – [Analysis of firmware size growth] Update for 22.03 hnyman | ||
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| **Insufficient RAM for stable operation** | **Insufficient RAM for stable operation** | ||
| - | * 64 MB may have some issues with stability, depending on your hardware and use cases, although it is enough for basic usage | + | |
| - | * 128 MB or more is recommended if software past basic router/AP functionality is to be used | + | |
| + | | ||
| - | * (32MB RAM is already deprecated) | ||
| ===== Extensibility issues ===== | ===== Extensibility issues ===== | ||
| Line 24: | Line 25: | ||
| * 8MB is barely enough (will fit LuCI and some other applications, | * 8MB is barely enough (will fit LuCI and some other applications, | ||
| - | * 8MB devices can be extended if you use [[docs: | + | * 8MB devices can be extended if you use [[docs: |
| * If you want to be sure you can install at least a few additional software packages, **16MB (or more) of flash** and **128MB (or more) of RAM** are the recommended choice. | * If you want to be sure you can install at least a few additional software packages, **16MB (or more) of flash** and **128MB (or more) of RAM** are the recommended choice. | ||
| - | As the current | + | As the current |
| - | Flash space is also needed for bootloader (u-boot, etc.), bootloader settings, wifi firmware/ | + | Flash space is also needed for bootloader (u-boot, etc.), bootloader settings, wifi firmware/ |
| ===== Advice ===== | ===== Advice ===== | ||
| Line 37: | Line 38: | ||
| **16/64 as an // | **16/64 as an // | ||
| - | Users should expect that devices with less than 16 MB of flash and/or 64 MB of RAM may be unstable in basic operation under the current version of OpenWrt (19.07.x and newer). They should further expect that support for the device may be dropped in future. | + | Users should expect that devices with less than 16 MB of flash and/or 64 MB of RAM may be unstable in basic operation under the current version of OpenWrt (19.07.x, 21.02.x and newer). They should further expect that support for the device may be dropped in future. |
| ===== Analysis of firmware size growth ===== | ===== Analysis of firmware size growth ===== | ||
| Line 44: | Line 45: | ||
| < | < | ||
| - | master | + | master: 5824.3 KB (snapshot without LuCI) |
| - | 19.07.3: | + | 22.03.2: 5952.3 KB |
| + | 21.02.5: | ||
| + | 19.07.8: | ||
| 18.06.8: | 18.06.8: | ||
| 17.01.7: | 17.01.7: | ||
| Line 54: | Line 57: | ||
| Main reason is growth in size of the Linux kernel itself, but all included core packages (wifi, LuCI, etc.) also tend to grow as their features get expanded. | Main reason is growth in size of the Linux kernel itself, but all included core packages (wifi, LuCI, etc.) also tend to grow as their features get expanded. | ||
| - | s. | ||
| - | More thorough discussion can be found in the "4/32 warning" wiki article. | + | More thorough discussion can be found in [[supported_devices: |