因此，显然 apache 一夜之间就断断续续地崩溃了，而 apache 错误日志中没有显示任何可疑内容。每次我都必须重新启动服务器才能让 apache 再次运行。服务器仍然可以连接，只是 apache 似乎已经从我这里消失了。
当我检查消息日志时，我注意到大量类似的消息：
Apr 29 14:46:08 test_web kernel: *BAD*gran_size: 8M chunk_size: 32M num_reg: 10 lose cover RAM: -18M
Apr 29 14:46:08 test_web kernel: *BAD*gran_size: 8M chunk_size: 64M num_reg: 10 lose cover RAM: -18M
Apr 29 14:46:08 test_web kernel: *BAD*gran_size: 8M chunk_size: 128M num_reg: 10 lose cover RAM: -10M
Apr 29 14:46:08 test_web kernel: *BAD*gran_size: 8M chunk_size: 256M num_reg: 10 lose cover RAM: -10M
Apr 29 14:46:08 test_web kernel: *BAD*gran_size: 8M chunk_size: 512M num_reg: 10 lose cover RAM: -10M
Apr 29 14:46:08 test_web kernel: *BAD*gran_size: 8M chunk_size: 1G num_reg: 10 lose cover RAM: -506M
Apr 29 14:46:08 test_web kernel: *BAD*gran_size: 8M chunk_size: 2G num_reg: 10 lose cover RAM: -1530M
这看起来像是硬件问题？我该怎么办？