一直无法休眠，log如下，帮忙看看吧，谢谢

tomcat.xin

Starting suspend at 2009年 04月 25日 星期六 08:29:10 CST
hibernate: [01] Executing CheckLastResume ...
hibernate: [01] Executing CheckRunlevel ...
hibernate: [01] Executing LockFileGet ...
hibernate: [01] Executing NewKernelFileCheck ...
hibernate: [10] Executing EnsureUSuspendCapable ...
hibernate: [11] Executing XHacksSuspendHook1 ...
hibernate: [59] Executing RemountXFSBootRO ...
hibernate: [89] Executing SaveKernelModprobe ...
hibernate: [91] Executing ModulesUnloadBlacklist ...
hibernate: [95] Executing XHacksSuspendHook2 ...
hibernate: [98] Executing CheckRunlevel ...
hibernate: [99] Executing DoUSuspend ...
hibernate: Running /usr/sbin/s2disk ...
hibernate: [90] Executing ModulesLoad ...
hibernate: [89] Executing RestoreKernelModprobe ...
hibernate: [85] Executing XHacksResumeHook2 ...
hibernate: [70] Executing ClockRestore ...
hibernate: [59] Executing RemountXFSBootRW ...
hibernate: [11] Executing XHacksResumeHook1 ...
hibernate: [01] Executing NoteLastResume ...
hibernate: [01] Executing LockFilePut ...
Resumed at 2009年 04月 25日 星期六 08:29:11 CST