[Bug 97105] Re: samba causes nfsv4 kernel module bug

Sat Jan 26 18:11:56 UTC 2008

This happened to me on Gutsy on 2 different systems on 2 different
networks and the NFSv4 server is Solaris on one and Debian Etch on the
other.

I don't think this has anything to do with Samba. NFSv3 works.
$> uname -a
Linux tuxy 2.6.22-14-generic #1 SMP Tue Dec 18 08:02:57 UTC 2007 i686 GNU/Linux

>From syslog:

Jan 26 13:06:41 tuxy kernel: [46339.248764] BUG: unable to handle kernel paging request at virtual address 0007004a
Jan 26 13:06:41 tuxy kernel: [46339.248769]  printing eip:
Jan 26 13:06:41 tuxy kernel: [46339.248770] f918e043
Jan 26 13:06:41 tuxy kernel: [46339.248772] *pde = 00000000
Jan 26 13:06:41 tuxy kernel: [46339.248775] Oops: 0000 [#1]
Jan 26 13:06:41 tuxy kernel: [46339.248777] SMP 
Jan 26 13:06:41 tuxy kernel: [46339.248780] Modules linked in: nls_cp437 isofs aes cbc blkcipher vmnet(P) vmblock(P) vmmon(P) binfmt_misc rfcomm l2cap bluetooth nfsd exportfs ppdev autofs4 video sbs button dock container ac battery cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table cpufreq_conservative nfs lockd sunrpc 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_
Jan 26 13:06:41 tuxy kernel: elper xt_hashlimit ip6_tables xt_dccp xt_conntrack xt_CONNMARK xt_connmark xt_CLASSIFY xt_tcpudp xt_state iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack iptable_mangle nfnetlink iptable_filter ip_tables x_tables af_packet xfs sd_mod sg w83627hf hwmon_vid serpent cryptoloop loop lp snd_mpu401 snd_mpu401_uart snd_hda_intel snd_pcm_oss snd_pcm snd_mixer_oss snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq usb_storage snd_timer cpia_usb libusual xpad nvidia(P) snd_seq_device irtty_sir cpia compat_ioctl32 videodev v4l2_common v4l1_compat i2c_viapro ipv6 sir_dev psmouse snd parport_pc parport irda pcspkr i2c_core via_agp shpchp pci_hotplug serio_raw evdev agpgart soundcore snd_page_alloc crc_ccitt ext3 jbd mbcache ide_cd cdrom ide_disk sata_via usbhid hid ata_generic floppy ehci_hcd via_rhine mii via82cxxx ide_core libata scsi_mod uhci_hcd ohci_hcd usbcore dm_mirror dm_snapshot dm_mod thermal processor fan capability commoncap fuse fbcon tileblit font bit
Jan 26 13:06:41 tuxy kernel:  softcursor
Jan 26 13:06:41 tuxy kernel: [46339.248921] CPU:    0
Jan 26 13:06:41 tuxy kernel: [46339.248922] EIP:    0060:[<f918e043>]    Tainted: P       VLI
Jan 26 13:06:41 tuxy kernel: [46339.248923] EFLAGS: 00010206   (2.6.22-14-generic #1)
Jan 26 13:06:41 tuxy kernel: [46339.248940] EIP is at nfs_fhget+0xd3/0x3e0 [nfs]
Jan 26 13:06:41 tuxy kernel: [46339.248942] eax: 0007003e   ebx: 00000000   ecx: f0fd7874   edx: 00004180
Jan 26 13:06:41 tuxy kernel: [46339.248945] esi: f0fd7800   edi: cecedbd4   ebp: ea1cc128   esp: cecedb88
Jan 26 13:06:41 tuxy kernel: [46339.248948] ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068
Jan 26 13:06:41 tuxy kernel: [46339.248951] Process mount.nfs4 (pid: 13914, ti=cecec000 task=cf2b6530 task.ti=cecec000)
Jan 26 13:06:41 tuxy kernel: [46339.248953] Stack: f918df10 cecedbac 00000020 c0133462 cb398780 ea1cc000 00afc7a9 c02bd89d 
Jan 26 13:06:41 tuxy kernel: [46339.248960]        00000282 cecedc66 cecedbd4 cecedbd4 f0fd7800 cecedc64 cecedd1e f918c8d7 
Jan 26 13:06:41 tuxy kernel: [46339.248967]        cf2b66f0 c200a000 f0fd7a00 00000002 00000000 00000000 00000000 00000000 
Jan 26 13:06:41 tuxy kernel: [46339.248973] Call Trace:
Jan 26 13:06:41 tuxy kernel: [46339.248977]  [<f918df10>] nfs_init_locked+0x0/0x60 [nfs]
Jan 26 13:06:41 tuxy kernel: [46339.249025]  [group_send_sig_info+114/128] group_send_sig_info+0x72/0x80
Jan 26 13:06:41 tuxy kernel: [46339.249085]  [tcp_send_fin+125/320] tcp_send_fin+0x7d/0x140
Jan 26 13:06:41 tuxy kernel: [46339.249213]  [<f918c8d7>] nfs4_get_root+0x177/0x260 [nfs]
Jan 26 13:06:41 tuxy kernel: [46339.250526]  [<f918fe71>] nfs4_get_sb+0x291/0x370 [nfs]
Jan 26 13:06:42 tuxy kernel: [46339.251460]  [vfs_kern_mount+182/304] vfs_kern_mount+0xb6/0x130
Jan 26 13:06:42 tuxy kernel: [46339.251633]  [do_kern_mount+63/240] do_kern_mount+0x3f/0xf0
Jan 26 13:06:42 tuxy kernel: [46339.251741]  [do_mount+1643/1856] do_mount+0x66b/0x740
Jan 26 13:06:42 tuxy kernel: [46339.251901]  [tcp_v4_send_check+68/240] tcp_v4_send_check+0x44/0xf0
Jan 26 13:06:42 tuxy kernel: [46339.252007]  [tcp_transmit_skb+1017/2048] tcp_transmit_skb+0x3f9/0x800
Jan 26 13:06:42 tuxy kernel: [46339.252029]  [sock_aio_read+287/304] sock_aio_read+0x11f/0x130
Jan 26 13:06:42 tuxy kernel: [46339.252118]  [__handle_mm_fault+1671/2816] __handle_mm_fault+0x687/0xb00
Jan 26 13:06:42 tuxy kernel: [46339.252241]  [mod_timer+24/64] mod_timer+0x18/0x40
Jan 26 13:06:42 tuxy kernel: [46339.252532]  [do_page_fault+905/1680] do_page_fault+0x389/0x690
Jan 26 13:06:42 tuxy kernel: [46339.252859]  [error_code+114/128] error_code+0x72/0x80
Jan 26 13:06:42 tuxy kernel: [46339.253015]  [clip_constructor+8/160] clip_constructor+0x8/0xa0
Jan 26 13:06:42 tuxy kernel: [46339.253037]  [copy_mount_options+171/336] copy_mount_options+0xab/0x150
Jan 26 13:06:42 tuxy kernel: [46339.253210]  [sys_mount+119/192] sys_mount+0x77/0xc0
Jan 26 13:06:42 tuxy kernel: [46339.253332]  [sysenter_past_esp+107/169] sysenter_past_esp+0x6b/0xa9
Jan 26 13:06:42 tuxy kernel: [46339.253488]  [clip_ioctl+1088/1296] clip_ioctl+0x440/0x510
Jan 26 13:06:42 tuxy kernel: [46339.253626]  =======================
Jan 26 13:06:42 tuxy kernel: [46339.253628] Code: ff 89 44 24 14 89 54 24 18 81 8d 3c 01 00 00 82 00 00 00 89 5d 20 8b 57 20 66 89 55 6a 8b 86 64 01 00 00 0f b7 d2 8b 00 8b 40 38 <8b> 40 0c 89 85 90 00 00 00 89 d0 25 00 f0 00 00 3d 00 80 00 00 
Jan 26 13:06:42 tuxy kernel: [46339.253659] EIP: [<f918e043>] nfs_fhget+0xd3/0x3e0 [nfs] SS:ESP 0068:cecedb88

-- 
samba causes nfsv4 kernel module bug
https://bugs.launchpad.net/bugs/97105
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