Translated message

A translation of this page exists in English.

RHEL6.6 で、nfsd_cache_update から呼び出した lru_put_end で、nfs サーバーのカーネルがパニックする

Solution Verified - Updated -

Issue

  • RHEL 6.6 サーバーがクラッシュし、以下のようなクラッシュトレースが生成されます。
RIP:0010:[<ffffffffa04eb010>]  [<ffffffffa04eb010>] lru_put_end+0x20/0x50 [nfsd]
...
Call Trace:
 [<ffffffffa04eb0c6>] nfsd_cache_update+0x86/0x140 [nfsd]
 [<ffffffffa04df480>] nfsd_dispatch+0x140/0x230 [nfsd]
 [<ffffffffa048bc84>] svc_process_common+0x344/0x640 [sunrpc]
 [<ffffffff81064b90>] ? default_wake_function+0x0/0x20
 [<ffffffffa048c2c0>] svc_process+0x110/0x160 [sunrpc]
 [<ffffffffa04dfb52>] nfsd+0xc2/0x160 [nfsd]
 [<ffffffffa04dfa90>] ? nfsd+0x0/0x160 [nfsd]
 [<ffffffff8109e66e>] kthread+0x9e/0xc0
 [<ffffffff8100c20a>] child_rip+0xa/0x20
 [<ffffffff8109e5d0>] ? kthread+0x0/0xc0
 [<ffffffff8100c200>] ? child_rip+0x0/0x20

Environment

  • Red Hat Enterprise Linux 6.6
    • 以下のカーネルで発生: 2.6.32-431.29.2.el6、2.6.32-431.37.1.el6、および 2.6.32-504.el6
  • NFS サーバー

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content