[vserver] BUG: unable to handle kernel paging request at 00020000 when I launch `rsync`

From: KLEIN Stéphane <klein.stephane_at_gmail.com>
Date: Mon 05 Apr 2010 - 14:49:23 BST
Message-ID: <u2z6bcc32f21004050649n96a21de7t25bf2b7e6c481cd0@mail.gmail.com>

Hi,

I've a server with 2.6.31.7-vs2.3.0.36.27-beng vserver kernel.

Since few days, I've this error in `/var/log/syslog` when I launch
`rsync` in a guest.
What do you think about ?

Thanks for your help,
Stephane

Apr 5 14:33:29 hosting12 kernel: [5457406.695691] BUG: unable to
handle kernel paging request at 00020000
Apr 5 14:33:29 hosting12 kernel: [5457406.695799] IP: [<c10b559c>]
do_lookup+0x35/0x1b4
Apr 5 14:33:29 hosting12 kernel: [5457406.695879] *pde = 00000000
Apr 5 14:33:29 hosting12 kernel: [5457406.695949] Oops: 0000 [#26] SMP
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] last sysfs file:
/sys/devices/virtual/block/md0/md/mismatch_cnt
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] Modules linked in:
ip6table_filter ip6_tables 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 serio_raw psm
Apr 5 14:33:29 hosting12 kernel: ouse i2c_i801 snd_pcm snd_timer snd
soundcore snd_page_alloc i2c_core rng_core pcspkr processor button
intel_agp agpgart ext3 jbd mbcache raid1 md_mod ide_pci_generic piix
ide_core sd_mod crc_t10dif ata_piix ata_generic ahci libata scsi_mod
r8169 mii thermal fan thermal_sys [last unloaded: scsi_wait_scan]
Apr 5 14:33:29 hosting12 kernel: [5457406.696005]
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] Pid: 3264, comm:
rsync Tainted: G D (2.6.31.7-vs2.3.0.36.27-beng #1)
986LCD-M/mITX
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] EIP:
0060:[<c10b559c>] EFLAGS: 00010206 CPU: 0
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] EIP is at
do_lookup+0x35/0x1b4
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] EAX: 00020000 EBX:
f56ef020 ECX: 00000013 EDX: 00000000
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] ESI: f541be78 EDI:
d2df42a0 EBP: f541becc ESP: f541be50
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] DS: 007b ES: 007b
FS: 00d8 GS: 0033 SS: 0068
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] Process rsync (pid:
3264, ti=f541a000 task=f6d229a0 task.ti=f541a000)
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] Stack:
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] f541be84 f541becc
f502c240 f56ef020 f56ef020 f541be84 f56ef033 f541becc
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] <0> c10b6086
00000000 6ffef4b3 00000013 f56ef020 f502c240 f42dca5c 00000000
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] <0> f541becc
f56ef000 ffffff9c c10b65ff f502c240 f4e36744 00000000 f56ef000
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] Call Trace:
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] [<c10b6086>] ?
__link_path_walk+0x52d/0x648
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] [<c10b65ff>] ?
path_walk+0x4f/0xa3
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] [<c10b74eb>] ?
do_path_lookup+0x1f/0x69
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] [<c10b8a8d>] ?
user_path_at+0x37/0x5f
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] [<c10b1b7e>] ?
vfs_fstatat+0x2a/0x50
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] [<c10b1be5>] ?
vfs_lstat+0x13/0x15
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] [<c10b1bf6>] ?
sys_lstat64+0xf/0x23
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] [<c10030e9>] ?
syscall_call+0x7/0xb
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] Code: 44 24 04 8b
54 24 04 89 0c 24 8b 00 89 44 24 08 8b 42 04 89 f2 e8 f2 7a 00 00 85
c0 89 c7 0f 84 b5 00 00 00 8b 40 50 85 c0 74 09 <83> 38 00 0f 85 4b 01
00 00 8b 6f 10 85 ed 74 10 ba 10 00 00 00
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] EIP: [<c10b559c>]
do_lookup+0x35/0x1b4 SS:ESP 0068:f541be50
Apr 5 14:33:29 hosting12 kernel: [5457406.696005] CR2: 0000000000020000
Apr 5 14:33:29 hosting12 kernel: [5457406.703214] ---[ end trace
bb90195d1c4c6cf7 ]---

...

Apr 5 14:43:44 hosting12 kernel: [5458021.667375] BUG: unable to
handle kernel paging request at 00020000
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] IP: [<c10b559c>]
do_lookup+0x35/0x1b4
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] *pde = 00000000
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] Oops: 0000 [#27] SMP
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] last sysfs file:
/sys/devices/virtual/block/md0/md/mismatch_cnt
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] Modules linked in:
ip6table_filter ip6_tables 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 serio_raw psm
Apr 5 14:43:44 hosting12 kernel: ouse i2c_i801 snd_pcm snd_timer snd
soundcore snd_page_alloc i2c_core rng_core pcspkr processor button
intel_agp agpgart ext3 jbd mbcache raid1 md_mod ide_pci_generic piix
ide_core sd_mod crc_t10dif ata_piix ata_generic ahci libata scsi_mod
r8169 mii thermal fan thermal_sys [last unloaded: scsi_wait_scan]
Apr 5 14:43:44 hosting12 kernel: [5458021.668006]
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] Pid: 4318, comm:
rsync Tainted: G D (2.6.31.7-vs2.3.0.36.27-beng #1)
986LCD-M/mITX
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] EIP:
0060:[<c10b559c>] EFLAGS: 00010206 CPU: 0
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] EIP is at
do_lookup+0x35/0x1b4
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] EAX: 00020000 EBX:
f6642020 ECX: 00000013 EDX: 00000000
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] ESI: f5403e78 EDI:
d2df42a0 EBP: f5403ecc ESP: f5403e50
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] DS: 007b ES: 007b
FS: 00d8 GS: 0033 SS: 0068
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] Process rsync (pid:
4318, ti=f5402000 task=f535e490 task.ti=f5402000)
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] Stack:
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] f5403e84 f5403ecc
f502c340 f6642020 f6642020 f5403e84 f6642033 f5403ecc
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] <0> c10b6086
00000000 6ffef4b3 00000013 f6642020 f502c340 f42dca5c 00000000
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] <0> f5403ecc
f6642000 ffffff9c c10b65ff f502c340 f4e36744 00000000 f6642000
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] Call Trace:
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] [<c10b6086>] ?
__link_path_walk+0x52d/0x648
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] [<c10b65ff>] ?
path_walk+0x4f/0xa3
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] [<c10b74eb>] ?
do_path_lookup+0x1f/0x69
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] [<c10b8a8d>] ?
user_path_at+0x37/0x5f
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] [<c10b1b7e>] ?
vfs_fstatat+0x2a/0x50
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] [<c10b1be5>] ?
vfs_lstat+0x13/0x15
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] [<c10b1bf6>] ?
sys_lstat64+0xf/0x23
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] [<c10030e9>] ?
syscall_call+0x7/0xb
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] Code: 44 24 04 8b
54 24 04 89 0c 24 8b 00 89 44 24 08 8b 42 04 89 f2 e8 f2 7a 00 00 85
c0 89 c7 0f 84 b5 00 00 00 8b 40 50 85 c0 74 09 <83> 38 00 0f 85 4b 01
00 00 8b 6f 10 85 ed 74 10 ba 10 00 00 00
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] EIP: [<c10b559c>]
do_lookup+0x35/0x1b4 SS:ESP 0068:f5403e50
Apr 5 14:43:44 hosting12 kernel: [5458021.668006] CR2: 0000000000020000
Apr 5 14:43:44 hosting12 kernel: [5458021.675763] ---[ end trace
bb90195d1c4c6cf8 ]---
Received on Mon Apr 5 14:49:43 2010

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