softlockups due to infinite loops in posix_locks_deadlock
Issue
- This is a backport request on 5.2.z.
- On NFS mounted file systems, heavy write loads may have blocked nfs_getattr()
for long periods, causing commands that use stat(2), such as ls, to hang. - For more information, please refer to BZ#496842.
Environment
- Red Hat Enterprise Linux 5 Udpate 2
- Kernels prior to kernel-2.6.18-92.1.35.el5
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