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Old 03-11-2009, 10:48 PM
Holger Levsen
 
Default Bug#519348: kernel bug in nfs on powerpc

package: linux-image-2.6.26-1-vserver-powerpc
version: 2.6.26-13

Hi,

suddenly the nfs exports on one server running lenny stopped working here, the
only thing I could found was in dmesg:

Linux fubar 2.6.26-1-vserver-powerpc #1 SMP Sat Jan 10 15:01:56 CET 2009 ppc
GNU/Linux

[1221442.454304] kernel BUG at include/linux/module.h:386!
[1221442.454384] Oops: Exception in kernel mode, sig: 5 [#1]
[1221442.454457] SMP NR_CPUS=4 PowerMac
[1221442.454522] Modules linked in: ip6table_filter ip6_tables iptable_raw
xt_comment xt_policy ipt_ULOG ipt_TTL ipt_ttl ipt_REJECT ipt_REDIRECT
ipt_recent 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 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_conntrack iptable_mangle nfnetlink xt_multiport lp
parport nfsd auth_rpcgss exportfs nfs lockd nfs_acl sunrpc iptable_filter
ip_tables x_tables sbp2 scsi_mod loop snd_aoa_i2sbus snd_pcm snd_timer
snd_page_alloc snd soundcore snd_aoa_soundbus usblp uninorth_agp agpgart
evdev ext3 jbd mbcache ide_disk ohci1394 sungem sungem_phy ieee1394 ns83820
i2c_powermac
[1221442.456665] NIP: f6491188 LR: f6491180 CTR: 00000000
[1221442.456741] REGS: c0c33ec0 TRAP: 0700 Not tainted
(2.6.26-1-vserver-powerpc)
[1221442.456848] MSR: 00029032 <EE,ME,IR,DR> CR: 84000488 XER: 00000000
[1221442.456995] TASK = ef8e90f0[4431,#0] 'nfsd' THREAD: c0c32000 CPU: 0
[1221442.457074] GPR00: 00000000 c0c33f70 ef8e90f0 00000001 c0c33ee0 00000000
ee8c4658 00000000
[1221442.457264] GPR08: 00000000 00000000 ee8c4644 c0073ce4 00000000 1001a71c
100e0000 100df49c
[1221442.457455] GPR16: 10002118 bfd1fa18 10002134 10012724 00000008 00000801
ffffffff c0c4e000
[1221442.457646] GPR24: 00000001 000dbba0 ee1163a0 ee9d1ba0 ee8c4600 f64a6b40
efb3b000 ee258600
[1221442.457854] NIP [f6491188] svc_recv+0x400/0x7c4 [sunrpc]
[1221442.458123] LR [f6491180] svc_recv+0x3f8/0x7c4 [sunrpc]
[1221442.458293] Call Trace:
[1221442.458341] [c0c33f70] [f6491160] svc_recv+0x3d8/0x7c4 [sunrpc]
(unreliable)
[1221442.458556] [c0c33fc0] [f6550a84] nfsd+0xc0/0x30c [nfsd]
[1221442.458724] [c0c33ff0] [c0013af4] kernel_thread+0x44/0x60
[1221442.458831] Instruction dump:
[1221442.458906] 7d2903a6 4e800421 7c7c1b79 41820184 813c0000 83a90004
2f9d0000 419e003c
[1221442.459114] 7fa3eb78 48001045 7c630034 5463d97e <0f030000> 54290024
81290008 55292834
[1221442.466384] ---[ end trace 70d66edf5224f9a3 ]---


ii linux-image-2.6-vserver-powerpc 2.6.26+17
Linux 2.6 image on uniprocessor 32-bit PowerPC, Linux-VServer su
ii linux-image-2.6.26-1-vserver-powerpc 2.6.26-13
Linux 2.6.26 image on uniprocessor 32-bit PowerPC, Linux-VServer
ii nfs-common 1:1.1.2-6lenny1
NFS support files common to client and server
ii nfs-kernel-server 1:1.1.2-6lenny1
support for NFS kernel server

processor : 0
cpu : 7400, altivec supported
temperature : 27-32 C (uncalibrated)
clock : 466.666665MHz
revision : 2.9 (pvr 000c 0209)
bogomips : 66.30

total bogomips : 66.30
timebase : 33290001
platform : PowerMac
model : PowerMac3,4
machine : PowerMac3,4
motherboard : PowerMac3,4 MacRISC2 MacRISC Power Macintosh
detected as : 69 (PowerMac G4 Silver)
pmac flags : 00000010
L2 cache : 1024K unified
pmac-generation : NewWorld


regards,
Holger
 

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