Package: openafs-client
Version: 1.4.5~pre2.dfsg1-1
Hello,
If the AFS client is not running (AFS_CLIENT=false in
/etc/openafs/afs.conf.client), running klog (with successful
authentication) causes kernel error messages like this one:
kernel: BUG: unable to handle kernel paging request at virtual address
f8d95457
kernel: printing eip:
kernel: f8d95457
kernel: *pde = 02932067
kernel: *pte = 00000000
kernel: Oops: 0000 [#1]
kernel: SMP
kernel: Modules linked in: binfmt_misc xt_tcpudp xt_state nfsd exportfs
lockd nfs_acl sunrpc button ac battery ipv6 ipt_MASQUERADE iptable_nat
nf_nat nf_conntrack_ipv4 nf_conntrack nfnetlink iptable_filter ip_tables
x_tables fuse dm_crypt dm_snapshot dm_mirror dm_mod tun psmouse
ide_generic ide_disk snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss
snd_mixer_oss snd_pcm snd_timer snd soundcore parport_pc parport
snd_page_alloc iTCO_wdt pcspkr rtc i2c_i801 intel_agp i2c_core agpgart
tsdev evdev joydev ext3 jbd mbcache sd_mod usbhid hid ide_cd cdrom
ata_piix ata_generic libata scsi_mod piix floppy generic ehci_hcd
ide_core uhci_hcd usbcore tg3 thermal processor fan
kernel: CPU: 0
kernel: EIP: 0060:[<f8d95457>] Tainted: P VLI
kernel: EFLAGS: 00010283 (2.6.22-2-686 #1)
kernel: EIP is at 0xf8d95457
kernel: eax: 000000ce ebx: 00000000 ecx: 00000000 edx: 000000d8
kernel: esi: bfef5fc1 edi: 00000000 ebp: ce586000 esp: ce587fb4
kernel: ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
kernel: Process exim4 (pid: 2942, ti=ce586000 task=f6888a90
task.ti=ce586000)
kernel: Stack: c0103d0e 00000000 00000000 b7d04ff4 bfef5fc1 00000000
bfeb5168 000000ce
kernel: 0000007b 0000007b c0100000 000000ce ffffe410 00000073
00000292 bfeb5154
kernel: 0000007b 00000000 00000000
kernel: Call Trace:
kernel: [<c0103d0e>] sysenter_past_esp+0x6b/0xa1
kernel: =======================
kernel: Code: Bad EIP value.
kernel: EIP: [<f8d95457>] 0xf8d95457 SS:ESP 0068:ce587fb4
I've tried with kernels 2.6.22 and 2.6.18; both produce the same errors.
As one can expect, this causes problems to many running programs and the
only solution is to reboot the machine. This is reproducible even in a
VMware virtual machine on a different machine.
When the same configuration is used on an Etch machine (openafs-client
1.4.2-6), klog simply produces this error message on the command line:
"Unable to authenticate to AFS because a pioctl failed", which is more
sensible.
Unfortunately, I hadn't tried openafs-client 1.4.4 before the recent
upgrade to 1.4.5, so I can't say if this is due to this change of version.
Best wishes,
Bruno.
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