This looks like an error with memory by sim. Anyone has a better clue? The kernel version is 2.6.9-67.0.4.EL, then we rebooted and upgraded to 2.6.9-67.0.20.EL. Any kernel bug I should be aware of?<\/p>\n
\nJul 13 04:03:13 host syslogd 1.4.1: restart.\nJul 16 08:00:01 host kernel: swap_free: Unused swap offset entry 00010000\nJul 16 08:00:01 host kernel: swap_free: Unused swap offset entry 00010000\nJul 16 08:45:01 host kernel: Unable to handle kernel paging request at virtual address 313a3921\nJul 16 08:45:01 host kernel: printing eip:\nJul 16 08:45:01 host kernel: c015eebb\nJul 16 08:45:01 host kernel: *pde = 00000000\nJul 16 08:45:01 host kernel: Oops: 0000 [#1]\nJul 16 08:45:01 host kernel: Modules linked in: ip_vs_wrr ip_vs md5 ipv6 ipt_TOS iptable_mangle ip_conntrack_ftp ip_conntrack_irc ipt_REJECT ipt_LOG ipt_limit\niptable_filter ipt_multiport ipt_state ip_conntrack ip_tables autofs4 sunrpc dm_mirror dm_mod button battery ac parport_pc parport 8139too mii ext3 jbd\nJul 16 08:45:01 host kernel: CPU: 0\nJul 16 08:45:01 host kernel: EIP: 0060:[] Not tainted VLI\nJul 16 08:45:01 host kernel: EFLAGS: 00010202 (2.6.9-67.0.4.EL)\nJul 16 08:45:01 host kernel: EIP is at find_vma+0x29\/0x4d\nJul 16 08:45:01 host kernel: eax: 313a3919 ebx: 00c8479c ecx: 313a3931 edx: c97ec6b4\nJul 16 08:45:01 host kernel: esi: de5b40a0 edi: c8929360 ebp: bff08518 esp: c85dcef4\nJul 16 08:45:01 host kernel: ds: 007b es: 007b ss: 0068\nJul 16 08:45:01 host kernel: Process sim (pid: 6909, threadinfo=c85dc000 task=c8929360)\nJul 16 08:45:01 host kernel: Stack: de5b40a0 de5b40d0 c011d901 00000000 00c8479c c85dcfc4 c032ebbf 00000007\nJul 16 08:45:01 host kernel: 0000000e 0000000b 00000000 00000000 00000000 00000000 00000000 00030001\nJul 16 08:45:01 host kernel: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000\nJul 16 08:45:01 host kernel: Call Trace:\nJul 16 08:45:01 host kernel: [ ] do_page_fault+0x114\/0x4dc\nJul 16 08:45:01 host kernel: [ ] do_page_fault+0x0\/0x4dc\nJul 16 08:45:01 host kernel: [ ] error_code+0x2f\/0x38\nJul 16 08:45:01 host kernel: [ ] schedule_tail+0xfd\/0x106\nJul 16 08:45:01 host kernel: [ ] do_page_fault+0x0\/0x4dc\nJul 16 08:45:01 host kernel: [ ] error_code+0x2f\/0x38\nJul 16 08:45:01 host kernel: Code: 5d c3 56 89 c6 53 89 d3 31 d2 85 c0 74 3c 8b 50 08 85 d2 74 0a 39 5a 08 76 05 39 5a 04 76 2b 8b 4e 04 31 d2 85 c9 74 22 8d 4\n1 e8 <39> 58 08 76 0c 39 58 04 89 c2 76 0c 8b 49 0c eb 03 8b 49 08 85\nJul 16 08:45:01 host kernel: <0>Fatal exception: panic in 5 seconds\nJul 16 10:12:18 host syslogd 1.4.1: restart.\n<\/pre>\n","protected":false},"excerpt":{"rendered":" This looks like an error with memory by sim. Anyone has a better clue? The kernel version is 2.6.9-67.0.4.EL, then we rebooted and upgraded to 2.6.9-67.0.20.EL. Any kernel bug I should be aware of? Jul 13 04:03:13 host syslogd 1.4.1: restart. Jul 16 08:00:01 host kernel: swap_free: Unused swap offset entry 00010000 Jul 16 08:00:01 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/posts\/187"}],"collection":[{"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=187"}],"version-history":[{"count":0,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=\/wp\/v2\/posts\/187\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.trungson.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=187"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.trungson.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}