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BUG: spinlock recursion on CPU - Revision history
2024-03-29T01:35:51Z
Revision history for this page on the wiki
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http://wiki.linux-nfs.org/wiki/index.php?title=BUG:_spinlock_recursion_on_CPU&diff=4551&oldid=prev
Amschuma at 18:39, 29 July 2011
2011-07-29T18:39:06Z
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Amschuma
http://wiki.linux-nfs.org/wiki/index.php?title=BUG:_spinlock_recursion_on_CPU&diff=4550&oldid=prev
Amschuma at 18:38, 29 July 2011
2011-07-29T18:38:49Z
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Reported by: Santosh Shilimkar (January 10, 2011) (linux-kernel@vger.kernel.org)</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Reported by: Santosh Shilimkar (January 10, 2011) (linux-kernel@vger.kernel.org)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Reported by: Maciej Rutecki (January 18, 2011) (bugzilla)</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Reported by: Maciej Rutecki (January 18, 2011) (bugzilla)</div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* <del class="diffchange diffchange-inline">Fixed </del>by: Florian Mickler (March 27, 2011)</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* <ins class="diffchange diffchange-inline">Reported fixed by: Nick Piggin (January 19, 2011)</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* Closed </ins>by: Florian Mickler (March 27, 2011)</div></td></tr>
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Amschuma
http://wiki.linux-nfs.org/wiki/index.php?title=BUG:_spinlock_recursion_on_CPU&diff=4549&oldid=prev
Amschuma: Created page with "== About == * Kernel version: 2.6.38-rc1 * [https://bugzilla.kernel.org/show_bug.cgi?id=27022 Bug 27022] * Reported by: Santosh Shilimkar (January 10, 2011) (linux-kernel@vger.ke..."
2011-07-29T18:37:42Z
<p>Created page with "== About == * Kernel version: 2.6.38-rc1 * [https://bugzilla.kernel.org/show_bug.cgi?id=27022 Bug 27022] * Reported by: Santosh Shilimkar (January 10, 2011) (linux-kernel@vger.ke..."</p>
<p><b>New page</b></p><div>== About ==<br />
* Kernel version: 2.6.38-rc1<br />
* [https://bugzilla.kernel.org/show_bug.cgi?id=27022 Bug 27022]<br />
* Reported by: Santosh Shilimkar (January 10, 2011) (linux-kernel@vger.kernel.org)<br />
* Reported by: Maciej Rutecki (January 18, 2011) (bugzilla)<br />
* Fixed by: Florian Mickler (March 27, 2011)<br />
<br />
<br />
== Symptoms ==<br />
* Rootfs mounted on NFS<br />
<pre><br />
VFS: Mounted root (nfs filesystem) on device 0:13.<br />
Freeing init memory: 296K<br />
BUG: spinlock recursion on CPU#0, init/1<br />
lock: ef5a1e0c, .magic: dead4ead, .owner: init/1, .owner_cpu: 0<br />
[<c0063290>] (unwind_backtrace+0x0/0xe4) from [<c024ce90>]<br />
(do_raw_spin_lock+0x48/0x158)<br />
[<c024ce90>] (do_raw_spin_lock+0x48/0x158) from [<c012f4e0>]<br />
(nameidata_dentry_drop_rcu+0x84/0x17c)<br />
[<c012f4e0>] (nameidata_dentry_drop_rcu+0x84/0x17c) from [<c012f608>]<br />
(d_revalidate+0x30/0x58)<br />
[<c012f608>] (d_revalidate+0x30/0x58) from [<c0132120>]<br />
(link_path_walk+0xb44/0xb64)<br />
[<c0132120>] (link_path_walk+0xb44/0xb64) from [<c0132338>]<br />
(do_path_lookup+0x44/0xcc)<br />
[<c0132338>] (do_path_lookup+0x44/0xcc) from [<c0132f08>]<br />
(do_filp_open+0xc8/0x56c)<br />
[<c0132f08>] (do_filp_open+0xc8/0x56c) from [<c0124828>]<br />
(do_sys_open+0x58/0xe4)<br />
[<c0124828>] (do_sys_open+0x58/0xe4) from [<c005c240>]<br />
(ret_fast_syscall+0x0/0x3c)<br />
BUG: spinlock lockup on CPU#0, init/1, ef5a1e0c<br />
[<c0063290>] (unwind_backtrace+0x0/0xe4) from [<c024cf84>]<br />
(do_raw_spin_lock+0x13c/0x158)<br />
[<c024cf84>] (do_raw_spin_lock+0x13c/0x158) from [<c012f4e0>]<br />
(nameidata_dentry_drop_rcu+0x84/0x17c)<br />
[<c012f4e0>] (nameidata_dentry_drop_rcu+0x84/0x17c) from [<c012f608>]<br />
(d_revalidate+0x30/0x58)<br />
[<c012f608>] (d_revalidate+0x30/0x58) from [<c0132120>]<br />
(link_path_walk+0xb44/0xb64)<br />
[<c0132120>] (link_path_walk+0xb44/0xb64) from [<c0132338>]<br />
(do_path_lookup+0x44/0xcc)<br />
[<c0132338>] (do_path_lookup+0x44/0xcc) from [<c0132f08>]<br />
(do_filp_open+0xc8/0x56c)<br />
[<c0132f08>] (do_filp_open+0xc8/0x56c) from [<c0124828>]<br />
(do_sys_open+0x58/0xe4)<br />
[<c0124828>] (do_sys_open+0x58/0xe4) from [<c005c240>]<br />
(ret_fast_syscall+0x0/0x3c)<br />
BUG: spinlock lockup on CPU#1, kworker/u:2/499, c05d3c80<br />
[<c0063290>] (unwind_backtrace+0x0/0xe4) from [<c024cf84>]<br />
(do_raw_spin_lock+0x13c/0x158)<br />
[<c024cf84>] (do_raw_spin_lock+0x13c/0x158) from [<c014afac>]<br />
(exit_fs+0x2c/0x84)<br />
[<c014afac>] (exit_fs+0x2c/0x84) from [<c0098274>] (do_exit+0x254/0x674)<br />
[<c0098274>] (do_exit+0x254/0x674) from [<c00b0944>] (kthread+0x88/0x8c)<br />
[<c00b0944>] (kthread+0x88/0x8c) from [<c005d490>]<br />
(kernel_thread_exit+0x0/0x8)<br />
</pre><br />
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==</div>
Amschuma