Ciao a tutti,<br>ho riscontrato questo messaggio su un server centos 5.6 64bit kerner 2.6.18-238.12.1.el5 :<br><br><div class="quoteheader">Citazione</div><div class="quote">May 24 10:05:11 web kernel: INFO: task httpd:6308 blocked for more than 120 seconds.<br>
May 24 10:05:11 web kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>May 24 10:05:11 web kernel: httpd D ffff81013b22e080 0 6308 2446 6611 5362 (NOTLB)<br>
May 24 10:05:11 web kernel: ffff810091e51c78 0000000000000082 0000000000000080 0000000000000000<br>May 24 10:05:11 web kernel: 0000000000000200 000000000000000a ffff81013bea3040 ffff81013b22e080<br>May 24 10:05:11 web kernel: 000004f65994c900 0000000000016eec ffff81013bea3228 0000000100000286<br>
May 24 10:05:11 web kernel: Call Trace:<br>May 24 10:05:11 web kernel: [<ffffffff80064ae9>] _spin_lock_bh+0x9/0x14<br>May 24 10:05:11 web kernel: [<ffffffff800ce6ab>] zone_statistics+0x3e/0x6d<br>May 24 10:05:11 web kernel: [<ffffffff80063c4f>] __mutex_lock_slowpath+0x60/0x9b<br>
May 24 10:05:11 web kernel: [<ffffffff80009852>] __d_lookup+0xb0/0xff<br>May 24 10:05:11 web kernel: [<ffffffff80063c99>] .text.lock.mutex+0xf/0x14<br>May 24 10:05:11 web kernel: [<ffffffff8000d06f>] do_lookup+0x90/0x1e6<br>
May 24 10:05:11 web kernel: [<ffffffff8000a2cb>] __link_path_walk+0xa2a/0xfb9<br>May 24 10:05:11 web kernel: [<ffffffff8000eb30>] link_path_walk+0x42/0xb2<br>May 24 10:05:11 web kernel: [<ffffffff8000ce5f>] do_path_lookup+0x275/0x2f1<br>
May 24 10:05:11 web kernel: [<ffffffff80012970>] getname+0x15b/0x1c2<br>May 24 10:05:11 web kernel: [<ffffffff80023af4>] __user_walk_fd+0x37/0x4c<br>May 24 10:05:11 web kernel: [<ffffffff80028a45>] vfs_stat_fd+0x1b/0x4a<br>
May 24 10:05:11 web kernel: [<ffffffff80023826>] sys_newstat+0x19/0x31<br>May 24 10:05:11 web kernel: [<ffffffff8005d229>] tracesys+0x71/0xe0<br>May 24 10:05:11 web kernel: [<ffffffff8005d28d>] tracesys+0xd5/0xe0</div>
<br>Credo
che il problema sia il kernel che va a stoppare quel determinato
servizio ma mi sapete dire come mai? E' mai capitato a qualcuno di voi?<br>Grazie a tutti e buona giornata,<br>Fabrizio.<br>