Re: oops with 2.6.23.1, marvel, software raid, reiserfs and samba

From: Andrew Morton
Date: Sun Dec 16 2007 - 06:05:35 EST

On Fri, 07 Dec 2007 19:49:52 -0800 jeffunit <jeff@xxxxxxxxxxxx> wrote:

> I am running linux kernel 2.6.23.1, which I compiled.
> The base system was mandriva 2008.
>
> I have a dual processor pentium III 933 system.
> It has 3gb of ram, an intel stl-2 motherboard.
> It also has a promise 100 tx2 pata controller,
> a supermicro marvell based 8 port pcix sata controller,
> and a nvidia pci based video card.
>
> I have the os on a pata drive, and have made a software raid array
> consisting of 4 sata drives attached to the pcix sata controller.
> I created the array, and formatted with reiserfs 3.6
> I have run bonnie++ (filesystem benchmark) on the array without incident.
> When I use samba-3.0.25b-4.3 and copy files from a windows machine to
> the fileserver,
> every so often, the fileserver crashes or hangs. It seems to happen
> more often under heavy samba traffic.
> Enclosed is the oops from syslog.
> I also have a 'kernel bug' from syslog if that would be helpful.
>
> jeff
>
>
> Dec 7 17:20:52 sata_fileserver kernel: BUG: unable to handle kernel
> NULL pointer dereference at virtual address 0000000d
> Dec 7 17:20:52 sata_fileserver kernel: printing eip:
> Dec 7 17:20:52 sata_fileserver kernel: c02cc820
> Dec 7 17:20:52 sata_fileserver kernel: *pde = 00000000
> Dec 7 17:20:52 sata_fileserver kernel: Oops: 0000 [#1]
> Dec 7 17:20:52 sata_fileserver kernel: SMP
> Dec 7 17:20:52 sata_fileserver kernel: Modules linked in: raid456
> async_xor async_memcpy async_tx xor iptable_raw xt_comment xt_policy
> xt_multiport ipt_ULOG ipt_TTL ipt_ttl ipt_TOS ipt_tos ipt_SAME
> ipt_REJECT ipt_REDIRECT ipt_recent ipt_owner ipt_NETMAP
> ipt_MASQUERADE ipt_LOG ipt_iprange 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_NFQUEUE xt_NFLOG xt_MARK xt_mark xt_mac
> xt_limit xt_length xt_helper xt_hashlimit ip6_tables xt_dccp
> xt_conntrack xt_CONNMARK xt_connmark xt_CLASSIFY nfsd xt_tcpudp
> exportfs auth_rpcgss xt_state iptable_nat nf_nat nf_conntrack_ipv4
> nf_conntrack nfs iptable_mangle lockd nfs_acl sunrpc nfnetlink
> iptable_filter ip_table
> Dec 7 17:20:52 sata_fileserver kernel: x_tables af_packet ipv6
> snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss
> snd_mixer_oss ipmi_si ipmi_msghandler binfmt_misc loop nls_utf8 ntfs
> dm_mod usb_storage sg sd_mod sata_mv libata scsi_mod video output
> thermal sbs processor fan container button dock battery ac floppy
> snd_emu10k1 snd_rawmidi snd_ac97_codec ac97_bus snd_pcm
> snd_seq_device snd_timer snd_page_alloc snd_util_mem snd_hwdep
> ehci_hcd snd ohci_hcd i2c_piix4 uhci_hcd soundcore e1000 sworks_agp
> i2c_core ide_cd usbcore agpgart emu10k1_gp gameport tsdev evdev
> reiserfs ide_disk serverworks pdc202xx_new ide_core
> Dec 7 17:20:52 sata_fileserver kernel: CPU: 1
> Dec 7 17:20:52 sata_fileserver kernel:
> EIP: 0060:[<c02cc820>] Not tainted VLI
> Dec 7 17:20:52 sata_fileserver kernel: EFLAGS: 00210202 (2.6.23.1 #1)
> Dec 7 17:20:52 sata_fileserver kernel: EIP is at tcp_recvmsg+0x150/0xbf0
> Dec 7 17:20:52 sata_fileserver kernel: eax: 00000000 ebx:
> f55c4b60 ecx: 784e2c7c edx: f63f63d8
> Dec 7 17:20:52 sata_fileserver kernel: esi: 784e2c7a edi:
> f63f614c ebp: e21fde24 esp: e21fddc4
> Dec 7 17:20:52 sata_fileserver kernel: ds: 007b es: 007b fs:
> 00d8 gs: 0033 ss: 0068
> Dec 7 17:20:52 sata_fileserver kernel: Process smbd (pid: 9524,
> ti=e21fc000 task=f5109000 task.ti=e21fc000)
> Dec 7 17:20:52 sata_fileserver kernel: Stack: 00000000 ffffffff
> 00000000 c13e5740 f557b000 c03fa300 00000000 e21fde90
> Dec 7 17:20:52 sata_fileserver kernel: f63f60e0 00000000
> 00000b64 f63f63d8 000005b4 00000001 00000000 00000000
> Dec 7 17:20:52 sata_fileserver kernel: 00000000 000005b4
> e21fde4c 7fffffff e21fde28 00000000 c03a4de0 e21fde90
> Dec 7 17:20:52 sata_fileserver kernel: Call Trace:
> Dec 7 17:20:53 sata_fileserver kernel: [<c010542a>]
> show_trace_log_lvl+0x1a/0x30
> Dec 7 17:20:53 sata_fileserver kernel: [<c01054eb>]
> show_stack_log_lvl+0xab/0xd0
> Dec 7 17:20:53 sata_fileserver kernel: [<c01056e1>]
> show_registers+0x1d1/0x2d0
> Dec 7 17:20:53 sata_fileserver kernel: [<c01058f6>] die+0x116/0x250
> Dec 7 17:20:53 sata_fileserver kernel: [<c011f52b>] do_page_fault+0x28b/0x6a0
> Dec 7 17:20:53 sata_fileserver kernel: [<c030938a>] error_code+0x72/0x78
> Dec 7 17:20:53 sata_fileserver kernel: [<c0295423>]
> sock_common_recvmsg+0x43/0x60
> Dec 7 17:20:53 sata_fileserver kernel: [<c029301c>] sock_aio_read+0x11c/0x130
> Dec 7 17:20:53 sata_fileserver kernel: [<c017db30>] do_sync_read+0xd0/0x110
> Dec 7 17:20:53 sata_fileserver kernel: [<c017e47d>] vfs_read+0x12d/0x140
> Dec 7 17:20:53 sata_fileserver kernel: [<c017e8bd>] sys_read+0x3d/0x70
> Dec 7 17:20:53 sata_fileserver kernel: [<c01042fe>]
> sysenter_past_esp+0x6b/0xa1
> Dec 7 17:20:53 sata_fileserver kernel: =======================
> Dec 7 17:20:53 sata_fileserver kernel: Code: 6c 39 df 74 59 8d b6 00
> 00 00 00 85 db 74 4f 8b 55 cc 8d 43 20 8b 0a 3b 48 18 0f 88 f4 05 00
> 00 89 ce 2b 70 18 8b 83 90 00 00 00 <0f> b6 50 0d 89 d0 83 e0 02 3c
> 01 8b 43 50 83 d6 ff 39 c6 0f 82
> Dec 7 17:20:53 sata_fileserver kernel: EIP: [<c02cc820>]
> tcp_recvmsg+0x150/0xbf0 SS:ESP 0068:e21fddc4
> Dec 7 17:21:11 sata_fileserver kernel:
> Shorewall:net2all:DROP:IN=eth0 OUT=
> MAC=00:04:23:a8:12:cf:00:11:2f:42:d4:32:08:00 SRC=192.168.47.120
> DST=192.168.47.101 LEN=60 TOS=0x00 PREC=0x00 TTL=32 ID=9964
> PROTO=ICMP TYPE=8 CODE=0 ID=512 SEQ=24064
> Dec 7 17:21:13 sata_fileserver kernel:
> Shorewall:net2all:DROP:IN=eth0 OUT=
> MAC=00:04:23:a8:12:cf:00:11:2f:42:d4:32:08:00 SRC=192.168.47.120
> DST=192.168.47.101 LEN=60 TOS=0x00 PREC=0x00 TTL=32 ID=9975
> PROTO=ICMP TYPE=8 CODE=0 ID=512 SEQ=24320

(Please try to avoid the wordwrapping).

That's a networking crash. Do the oops traces which you're getting all look
like this one?

Pentium III's are getting a bit old (resistive connections, drooping
power supplies, etc) so there's a decent chance that you're seeing
hardware failures here.


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