Wed, 23 Dec 2009 09:23:39 -0500 On Wed, 2009-12-23 at 15:10 +0100, KLEIN Stéphane wrote: > Hi, > > In a vserver, I've a processus with D status : > > $ vps aux | grep "my vs1" > > stephane 572 40004 my vs1 0.0 0.0 4704 1420 ? D > 11:41 0:01 scp -r root@example.com:/home/foobar/www/ ./ > stephane 573 40004 my vs1 0.2 0.0 0 0 ? H > 11:41 0:15 [ssh] > > I can't kill this process :( > > In dmesg, I've this : > > [2220677.412013] BUG: unable to handle kernel paging request at 00020004 > [2220677.412048] IP: [<c1087710>] find get page+0x40/0x81 > [2220677.412080] *pde = 00000000 > [2220677.412102] Oops: 0000 [#9] SMP > [2220677.412126] last sysfs file: /sys/devices/virtual/block/md1/md/mismatch cnt > [2220677.412155] Modules linked in: iptable raw xt comment xt recent > xt policy ipt ULOG ipt REJECT ipt REDIRECT ipt NETMAP ipt MASQUERADE > ipt LOG ipt ECN ipt ecn ipt CLUSTERIP ipt ah ipt addrtype nf nat tftp > nf nat snmp basic nf nat sip nf nat pptp nf nat proto gre nf nat irc > nf nat h323 nf nat ftp nf nat amanda ts kmp nf conntrack amanda > nf conntrack tftp nf conntrack sip nf conntrack proto sctp > nf conntrack pptp nf conntrack proto gre nf conntrack netlink > nf conntrack netbios ns nf conntrack irc nf conntrack h323 > nf conntrack ftp xt tcpmss xt pkttype xt physdev xt owner xt NFQUEUE > xt NFLOG nfnetlink log xt multiport xt MARK xt mark xt mac xt limit > xt length xt iprange xt helper xt hashlimit xt DSCP xt dscp xt dccp > xt conntrack xt CONNMARK xt connmark xt CLASSIFY xt tcpudp xt state > iptable nat nf nat nf conntrack ipv4 nf defrag ipv4 nf conntrack > iptable mangle nfnetlink iptable filter ip tables x tables dummy > hwmon vid i2c viapro loop evdev snd pcm snd timer psmouse serio raw > snd soundcore snd page alloc i2c i801 i2c core pcspkr processor button > intel agp agpgart rng core ext3 jbd mbcache raid1 md mod sd mod > ide pci generic piix ide core crc t10dif ata piix ata generic ahci > libata scsi mod r8169 mii thermal fan thermal sys [last unloaded: > scsi wait scan] > [2220677.412710] > [2220677.412731] Pid: 558, comm: scp Tainted: G D > (2.6.31.6-vs2.3.0.36.24-beng #1) 986LCD-M/mITX > [2220677.412775] EIP: 0060:[<c1087710>] EFLAGS: 00210203 CPU: 0 > [2220677.412801] EIP is at find get page+0x40/0x81 > [2220677.412824] EAX: 0001ffff EBX: f6bc46c0 ECX: 00020000 EDX: 00000000 > [2220677.412850] ESI: f3df42f0 EDI: 00020004 EBP: f6bc4778 ESP: dfcefd24 > [2220677.412876] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > [2220677.412902] Process scp (pid: 558, ti=dfcee000 task=f64f8df0 > task.ti=dfcee000) > [2220677.412942] Stack: > [2220677.412961] 00020000 00200296 f65ab400 00000444 f6bc477c > f6bc46c0 f6bc4778 00000444 > [2220677.412998] <0> f6bc4778 c10879ea f6bc46c0 00000000 ffffffff > c1087c4b 000000d0 00000444 > [2220677.413053] <0> 00000000 f6bc46c0 00000000 00444000 00000000 > f7e843f1 00445000 00000000 > [2220677.413118] Call Trace: > [2220677.413141] [<c10879ea>] ? find lock page+0x10/0x43 > [2220677.413166] [<c1087c4b>] ? grab cache page write begin+0x30/0x88 > [2220677.413219] [<f7e843f1>] ? ext3 write begin+0x79/0x1d2 [ext3] > [2220677.413247] [<c10884b3>] ? generic file buffered write+0xe8/0x27f > [2220677.413287] [<c1088a8e>] ? generic file aio write nolock+0x26c/0x294 > [2220677.413318] [<c10329d5>] ? current fs time+0x13/0x15 > [2220677.413344] [<c10892f9>] ? generic file aio write+0x60/0xb7 > [2220677.413388] [<f7e800c8>] ? ext3 file write+0x19/0x85 [ext3] > [2220677.413421] [<c10ae891>] ? do sync write+0xc0/0x107 > [2220677.413447] [<c112dd35>] ? rb insert color+0x51/0xb5 > [2220677.413475] [<c1040ad2>] ? autoremove wake function+0x0/0x2d > [2220677.413502] [<c10ae57c>] ? fsnotify access+0x5a/0x61 > [2220677.413529] [<c10fd638>] ? security file permission+0xc/0xd > [2220677.413555] [<c10ae7d1>] ? do sync write+0x0/0x107 > [2220677.413580] [<c10af1c5>] ? vfs write+0x7e/0xd6 > [2220677.413604] [<c10af2b5>] ? sys write+0x3c/0x63 > [2220677.413630] [<c10030e9>] ? syscall call+0x7/0xb > [2220677.413653] Code: 0c 8b 44 24 10 e8 cd 59 0a 00 85 c0 89 c6 74 44 > 8b 08 b8 ff ff ff ff f6 c1 01 0f 45 c8 8d 41 ff 83 f8 fd 89 0c 24 77 > d5 8d 79 04 <8b> 59 04 89 7c 24 04 85 db 74 c7 8d 6b 01 89 d8 8b 7c 24 > 04 f0 > [2220677.413799] EIP: [<c1087710>] find get page+0x40/0x81 SS:ESP 0068:dfcefd24 > [2220677.413831] CR2: 0000000000020004 > [2220677.414173] ---[ end trace 90eddfda8e996248 ]--- > > I don't know if this information is useful for you. > > Question : I can't kill this process, I need to reboot the server completely ? > > Thanks for your help, > Stephane May I ask what kernel you are using? We hit a similar problem with 2.6.28 and 2.6.29. Apparently it is a kernel bug fixed in subsequent releases, i.e., if it is the same problem we experienced - John -- John A. Sullivan III Open Source Development Corporation +1 207-985-7880 jsullivan@opensourcedevel.com http://www.spiritualoutreach.com Making Christianity intelligible to secular society