Re: infinite loop? with mmap, nfs, pwrite, O_DIRECT

From: Chuck Lever
Date: Mon Nov 21 2005 - 12:50:06 EST


Kenny Simpson wrote:
I have a smaller test case (4 system calls, and a memset), that causes the test case to hang in an
unkillable state*, and makes the system load consume an entire CPU.

*the process is killable if run under strace, but the system load does not drop when the strace is
killed.

Pass this the name of a target file on an NFS mount.

(tested to fail on 2.6.15-rc1).

kenny-

i'm assuming that because you copied trond, this is only reproducible on NFS. have you tried this test on other local and remote file system types? begin:vcard
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