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| zh:supported_devices:432_warning [2018/05/31 12:59] – [4/32警告] 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 ====== | ||
| - | 每个操作系统都需要: | + | ~~NOTOC~~ |
| - | - 足够的闪存以适应固件映像 | + | 对于任何一个操作系统,都需要: |
| - | - 足够的内存以保证稳定的运行 | + | - 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 | ||
| - | {{section> | + | {{section> |
| ===== 可用性 ===== | ===== 可用性 ===== | ||
| - | **稳定运行所需的最少内存** | + | **内存不足影响运行稳定** |
| - | * 32MB 是最低要求;也许可以正常运行,也许不可以。这取决于你的使用方法。 | + | * 32MB 内存可以用于基本的路由或AP功能,但可能会经常性的崩溃,取决于您的硬件以及具体用途。 |
| - | * 64MB 可以很流畅的运行,相对于32M来说是一个更好的选择。 | + | * 64MB 内存可能仍然存在稳定性问题,取决于您的硬件以及具体用途。 |
| + | * 如果要运行软件来获得基本的路由或AP之外的功能,推荐使用128MB或更大的内存。 | ||
| ===== 扩展性 ===== | ===== 扩展性 ===== | ||
| - | **需要有足够的闪存来存储LEDE固件镜像** | + | **需要有足够的闪存来存储OpenWrt固件镜像** |
| - | * 最少需要 4MB (无法安装 luci) / 推荐 8MB (可以装下 luci 以及一些其他的应用程序) | + | * 您至少需要4MB(无法安装luci),推荐8MB(可以装下luci以及一些其他的应用程序) |
| - | * 4MB 已经可以工作了,但工作的不是很舒服。 >4MB 的闪存会让你在使用时感到更为舒畅。 | + | * 4MB已经可以工作了,但工作的不算太好。 大于4MB的闪存会让您在使用时感到更为舒畅。 |
| - | * 4MB 的设备几乎无法安装任何重要的软件,除非你使用 [[docs: | + | * 4MB的设备几乎无法安装任何重要的软件,除非您使用 [[docs: |
| - | * 再考虑上可扩展性,我们的建议是:8MB(或更多)是更好的选择。 | + | * 如果您还想要安装一些自定义的软件,那么8MB及以上闪存和64MB及以上内存是必须的。 |
| - | 4MB闪存的设备只能存储LEDE固件镜像,故扩展性方面有着极大的限制。对于小闪存设备,你还是不要期望太多吧。 | + | 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: |
| - | + | ||
| - | 在多数情况下,如果你只有4MB的闪存,你将无法安装这些(或其他)热门的软件包: | + | |
| * [[docs: | * [[docs: | ||
| - | * [[docs: | + | * [[docs: |
| * 3G/4G 上网卡的支持 | * 3G/4G 上网卡的支持 | ||
| - | * 文件系统的用于[[docs: | + | * 用于[[docs: |
| ===== 支持性 ===== | ===== 支持性 ===== | ||
| - | 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。LEDE可能在未来结束对这些设备的支持。 | + | 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。 |
| ===== 建议 ===== | ===== 建议 ===== | ||
| - | * **对于新用户**,如果他们知道(或不知道)他们想要什么,不知道他们需要什么,不知道怎么做的 -> 选择 8/64 | + | 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: |
| - | * **对于有经验的用户**,知道自己想要什么,知道需要什么,知道怎么做的 -> 如果适合的话可以尝试 4/32 ; | + | **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 issues ===== | ||
| + | |||
| + | It is getting harder or even impossible over time to support devices with low Flash + RAM. | ||
| + | OpenWrt support for those devices will likely end without warning at any time in the near future. | ||
| + | |||
| + | |||
| + | ===== Advice ===== | ||
| + | |||
| + | Users that are not expert users of OpenWrt (those that can build their own images) should consider | ||
| + | |||
| + | **16/64 as an //absolute// minimum for any device, with at least 128 MB of RAM being preferred.** | ||
| + | |||
| + | Users should expect that devices with less than 16 MB of flash and/ | ||
| + | |||
| + | 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 81: | 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:\\ | ||