<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
Could you look at dmesg output and find something suspicious? You<br>
probably will see messages like this:<br>
BUG: Bad page map in process MYAPP pte:8000000000000165 pmd:0f58a067<br></blockquote><div><br></div><div><br></div><div>ubuntu@ip-10-118-238-44:/var/log$ egrep -n "(BAD|bad|Bad|WARN|warn|error|ERROR|severe|SEVERE|BUG|bug)" syslog</div>
<div><br></div><div>12:May 21 14:49:59 ip-10-118-238-44 kernel: [78592178.157459] BUG: Bad page map in process MYAPP pte:00000320 pmd:65dc2067</div><div>20:May 21 14:49:59 ip-10-118-238-44 kernel: [78592178.157525] [<ffffffff81174183>] print_bad_pte+0x1a3/0x250</div>
<div>33:May 21 14:52:08 ip-10-118-238-44 kernel: [78592306.950703] BUG: Bad page map in process cat pte:8000000000000325 pmd:65c1e067</div><div>41:May 21 14:52:08 ip-10-118-238-44 kernel: [78592306.950764] [<ffffffff81174183>] print_bad_pte+0x1a3/0x250</div>
<div>53:May 21 14:52:08 ip-10-118-238-44 kernel: [78592307.108347] BUG: Bad page map in process criu pte:8000000000000325 pmd:65c1e067</div><div>61:May 21 14:52:08 ip-10-118-238-44 kernel: [78592307.108409] [<ffffffff81174183>] print_bad_pte+0x1a3/0x250</div>
<div>73:May 21 14:52:09 ip-10-118-238-44 kernel: [78592308.173496] BUG: Bad page map in process criu pte:8000000000000325 pmd:65c1e067</div><div>81:May 21 14:52:09 ip-10-118-238-44 kernel: [78592308.173559] [<ffffffff81174183>] print_bad_pte+0x1a3/0x250</div>
<div>87:May 21 14:52:09 ip-10-118-238-44 kernel: [78592308.173583] [<ffffffff8121cb30>] ? quota_send_warning+0x240/0x240</div><div>92:May 21 14:52:10 ip-10-118-238-44 kernel: [78592308.320811] BUG: Bad page map in process criu pte:8000000000000325 pmd:65c1e067</div>
<div>100:May 21 14:52:10 ip-10-118-238-44 kernel: [78592308.320875] [<ffffffff81174183>] print_bad_pte+0x1a3/0x250</div><div>106:May 21 14:52:10 ip-10-118-238-44 kernel: [78592308.320899] [<ffffffff8121cb30>] ? quota_send_warning+0x240/0x240</div>
<div>111:May 21 14:52:10 ip-10-118-238-44 kernel: [78592308.321479] BUG: Bad page map in process MYAPP pte:8000000000000325 pmd:65c1e067</div><div>119:May 21 14:52:10 ip-10-118-238-44 kernel: [78592308.321659] [<ffffffff81174183>] print_bad_pte+0x1a3/0x250</div>
<div>143:May 21 14:52:12 ip-10-118-238-44 kernel: [78592310.551353] BUG: Bad page map in process MYAPP pte:8000000000000325 pmd:65c1e067</div><div>151:May 21 14:52:12 ip-10-118-238-44 kernel: [78592310.551443] [<ffffffff81174183>] print_bad_pte+0x1a3/0x250</div>
<div>ubuntu@ip-10-118-238-44:/var/log$</div><div> </div></div><br></div></div>