go
runtime_error
ai_generated
true
fatal error: 所有 goroutine 都休眠了 - 死锁!(channel 缓冲区满)
fatal error: all goroutines are asleep - deadlock! (channel buffer full)
ID: go/channel-buffer-overflow-block
80%修复率
88%置信度
0证据数
2024-09-10首次发现
版本兼容性
| 版本 | 状态 | 引入 | 弃用 | 备注 |
|---|---|---|---|---|
| 1.0+ | active | — | — | — |
根因分析
某个 goroutine 试图向已满的带缓冲 channel 发送数据,且没有接收者,导致死锁。
English
A goroutine attempts to send to a buffered channel that is full, and no receiver is available, causing a deadlock.
解决方案
-
95% 成功率
go func() { for v := range ch { // process } }() -
90% 成功率
select { case ch <- v: default: // handle full buffer }
无效尝试
常见但无效的做法:
-
80% 失败
May delay but not prevent deadlock if no receiver
-
60% 失败
May lose data if not handled properly