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| zh:supported_devices:432_warning [2018/05/26 03:20] – lujimmy | zh:supported_devices:432_warning [2020/01/08 14:31] – [可用性问题] lujimmy | ||
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| ====== 4/32警告 ====== | ====== 4/32警告 ====== | ||
| + | ~~NOTOC~~ | ||
| + | 对于任何一个操作系统,都需要: | ||
| + | - 足够的闪存以存放固件镜像 | ||
| + | - 足够的内存以保证系统的稳定运行 | ||
| - | Every operating system requires | + | {{section> |
| - | - Sufficient Flash to accommodate firmware image | + | |
| - | - Sufficient RAM for stable operation | + | |
| - | {{section> | + | ===== 可用性 ===== |
| - | ===== Usability ===== | + | **内存不足影响运行稳定** |
| - | **Insufficient RAM for stable operation** | + | |
| + | | ||
| + | | ||
| - | * 32MB minimum; can work quite well, but can also be borderline, depending on your usecase. | + | ===== 扩展性 ===== |
| - | * 64MB are more comfortable to work with, and in general the better choice. | + | |
| - | ===== Extensibility ===== | + | **需要有足够的闪存来存储OpenWrt固件镜像** |
| - | **Barely enough Flash to accommodate LEDE firmware image** | + | |
| + | | ||
| + | | ||
| + | | ||
| - | * 4MB min (won't be able to install luci) / 8MB better (will fit luci and some other applications) | ||
| - | * 4MB can work, but are no fun to work with. >4MB will make you happier than 4MB or below. | ||
| - | * 4MB devices can't fit anything noteworthy unless you use [[docs: | ||
| - | * Especially in regards to extensibility, | ||
| + | 在多数情况下,如果您只有4MB的闪存,您将无法安装这些(或其他)热门的软件包: | ||
| - | Devices with only 4MB Flash memory will barely be able to hold the LEDE firmware image, and will have limitations in their extensibility. With low flash, do not expect too much in this regard. | + | * [[docs: |
| + | * [[docs: | ||
| + | * 3G/4G 上网卡的支持 | ||
| + | * 用于[[docs: | ||
| - | Most probably, you will not be able to install the following popular packages (and others) on a device with only 4MB flash: | ||
| - | * [[docs: | + | ===== 支持性 ===== |
| - | * [[docs: | + | |
| - | * 3G/4G dongle support | + | |
| - | * filesystem drivers/ | + | |
| + | 随着时间的发展,小内存和闪存设备将会越来越难得到支持。OpenWrt近期可能会在无照会的情况下结束对这些设备的支持。 | ||
| - | ===== Supportability ===== | + | |
| + | ===== 建议 ===== | ||
| + | |||
| + | 对于并没有什么使用经验的用户(即无法自行编译固件的用户),应当考虑: | ||
| + | **16/64 设备是绝对的底线**,有可能的话尽量选择128M内存的设备。 | ||
| + | |||
| + | 用户应当知道这些小于16M储存、64M内存的设备在当前版本(17.x, | ||
| + | |||
| + | 之前版本的OpenWrt包含着一些已知的内核、无线驱动和应用软件安全问题。OpenWrt团队不支持在任何条件下继续使用这些包含已知安全问题的软件,“这是我的路由”并不能成为这台路由器变为跳板和攻击设备而影响他人的理由。在多数情况下,这些已知的安全问题将可能会被潜在的[[https:// | ||
| + | |||
| + | ===== 由论坛用户slh所做的问题分析 ===== | ||
| + | 以下内容来自论坛用户 **slh** 的 [[https:// | ||
| + | |||
| + | 首先,我并不是假装为LEDE团队发言,但是数字却可以让问题显而易见。 | ||
| + | |||
| + | 以论坛中 " | ||
| + | < | ||
| + | Backfire 10.03..............: | ||
| + | Backfire 10.03.1............: | ||
| + | Attitude Adjustment 12.09...: 2883588 bytes | ||
| + | Barrier Breaker 14.07.......: | ||
| + | Chaos Calmer 15.05..........: | ||
| + | Chaos Calmer 15.05.1........: | ||
| + | LEDE 17.01 release branch...: 3473412 bytes | ||
| + | absolute firmware size......: 3735576 bytes | ||
| + | maximum usable firmware size: 3538944 bytes</ | ||
| + | (以上数字是包括luci和大致相同的功能集的各发行版本镜像大小) | ||
| + | |||
| + | ===== Supportability | ||
| It is getting harder or even impossible over time to support devices with low Flash + RAM. | It is getting harder or even impossible over time to support devices with low Flash + RAM. | ||
| - | LEDE support for those devices | + | OpenWrt |
| ===== Advice ===== | ===== Advice ===== | ||
| - | | + | Users that are not expert users of OpenWrt (those that can build their own images) should consider |
| - | * **experienced users** knowing what they want, need, and do -> try if 4/32 suits your needs; if not, get 8/64 | + | |
| + | **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 current versions of OpenWrt (17.X, 18.X). They should further expect that support for the device may be dropped at any time and that security patches/ | ||
| + | |||
| + | Previous versions of OpenWrt (such as earlier versions of 17.X, 15.X, "Chaos Calmer" | ||
| ===== An analysis of the issue done by forum user slh ===== | ===== An analysis of the issue done by forum user slh ===== | ||
| - | As written in [[https:// | + | As written in [[https:// |
| First of all, I'm not pretending to speak for the LEDE team, however looking at the plain numbers presents a quite obvious situation. | First of all, I'm not pretending to speak for the LEDE team, however looking at the plain numbers presents a quite obvious situation. | ||
| - | Taking " | + | Taking " |
| < | < | ||
| Line 83: | Line 119: | ||
| [4] I would expect that there already are a couple of 4 MB flash devices in the target list for which no release firmware can be built for 17.01, because of less ideal flash partitioning schemes chosen by the vendor (dropping free space below 3 erase blocks). Those are probably a minority, but given the close numbers, I'd be very suprised if there wouldn' | [4] I would expect that there already are a couple of 4 MB flash devices in the target list for which no release firmware can be built for 17.01, because of less ideal flash partitioning schemes chosen by the vendor (dropping free space below 3 erase blocks). Those are probably a minority, but given the close numbers, I'd be very suprised if there wouldn' | ||
| - | [[https:// | + | [[https:// |
| ===== The opinion of a Core LEDE developer ===== | ===== The opinion of a Core LEDE developer ===== | ||
| - | As originally written in [[https:// | + | As originally written in [[https:// |
| Just providing my rather pragmatic opinion on the topic here:\\ | Just providing my rather pragmatic opinion on the topic here:\\ | ||