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Date: Fri, 07 Dec 2007 19:49:52 -0800 From: jeffunit <jeff@...funit.com> To: linux-kernel@...r.kernel.org Subject: oops with 2.6.23.1, marvel, software raid, reiserfs and samba 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 -- To 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