Public bug reported:
Description: Ubuntu 8.04.1
Release: 8.04
Steps to reproduce (on a Thinkpad X61t) using 2.6.24-19-generic:
- Mount an nfs4 share
- suspend
- unplug the network cable
- resume
- be lucky
[ 42.839213] eth0: no IPv6 routers present
[ 160.390966] nfs: server lancelot.acoveo.co not responding, timed out
[ 160.391075] ------------[ cut here ]------------
[ 160.391083] kernel BUG at
/build/buildd/linux-2.6.24/net/sunrpc/rpcb_clnt.c:322!
[ 160.391088] invalid opcode: 0000 [#1] SMP
[ 160.391095] Modules linked in: iwl3945 iwlwifi_mac80211 cfg80211 e1000
des_generic joydev ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt
ppp_generic slhc sr_mod cdrom option airprime usbserial usb_storage libusual
af_packet i915 drm rfcomm l2cap bluetooth kvm_intel kvm parport_pc ppdev ipv6
acpi_cpufreq cpufreq_stats cpufreq_conservative cpufreq_ondemand freq_table
cpufreq_powersave cpufreq_userspace container sbs sbshc bay dock
rpcsec_gss_krb5 auth_rpcgss nfs lockd nfs_acl sunrpc iptable_filter ip_tables
x_tables uinput sbp2 lp parport loop arc4 ecb pcmcia snd_hda_intel snd_pcm_oss
snd_mixer_oss snd_pcm snd_page_alloc snd_hwdep snd_seq_dummy sdhci ac mmc_core
battery yenta_socket rsrc_nonstatic pcmcia_core snd_seq_oss snd_seq_midi video
output snd_rawmidi snd_seq_midi_event psmouse serio_raw snd_seq snd_timer
snd_seq_device thinkpad_acpi button nvram snd iTCO_wdt iTCO_vendor_support
evdev intel_agp soundcore shpchp pci_hotplug agpgart pcspkr ext3 jbd mbcache
sha256_generic aes_i586 cbc blkcipher sg pata_acpi sd_mod usbhid hid ata_piix
ahci ata_generic libata ohci1394 scsi_mod ieee1394 dm_crypt ehci_hcd uhci_hcd
usbcore raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0
multipath linear md_mod dm_mirror dm_snapshot dm_mod thermal processor fan
fbcon tileblit font bitblit softcursor fuse
[ 160.391321]
[ 160.391326] Pid: 31193, comm: gvfsd-trash Not tainted (2.6.24-19-generic #1)
[ 160.391333] EIP: 0060:[<f9051491>] EFLAGS: 00010206 CPU: 0
[ 160.391382] EIP is at rpcb_getport_async+0x251/0x3d0 [sunrpc]
[ 160.391388] EAX: c2bddf00 EBX: c2bddf00 ECX: c2bddf80 EDX: f906aa20
[ 160.391393] ESI: eaf48e00 EDI: ea885600 EBP: d3ccfc00 ESP: d071bbf4
[ 160.391399] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 160.391405] Process gvfsd-trash (pid: 31193, ti=d071a000 task=ef351700
task.ti=d071a000)
[ 160.391410] Stack: d071bc28 00000000 d071bc28 00000000 d071bc30 c031b2c9
f90490a0 c2bddf00
[ 160.391425] 00000001 f90490a0 c2bddf80 c031b33b c2bddf00 d3ccfc00
d071bd38 c2bddf80
[ 160.391439] f9042195 c0140c80 d071bc3c d071bc3c 00000000 00000000
c2bddf00 f9049542
[ 160.391453] Call Trace:
[ 160.391501] [<c031b2c9>] __wait_on_bit+0x59/0x70
[ 160.391517] [<f90490a0>] rpc_wait_bit_interruptible+0x0/0x20 [sunrpc]
[ 160.391590] [<f90490a0>] rpc_wait_bit_interruptible+0x0/0x20 [sunrpc]
[ 160.391651] [<c031b33b>] out_of_line_wait_on_bit+0x5b/0x70
[ 160.391689] [<f9042195>] call_bind+0x45/0x80 [sunrpc]
[ 160.391728] [<c0140c80>] wake_bit_function+0x0/0x60
[ 160.391777] [<f9049542>] __rpc_execute+0x62/0x280 [sunrpc]
[ 160.391837] [<c0137665>] sigprocmask+0x65/0x110
[ 160.391860] [<f9048bf4>] rpc_set_active+0x44/0x70 [sunrpc]
[ 160.391933] [<f9042f38>] rpc_do_run_task+0x68/0xc0 [sunrpc]
[ 160.392017] [<f904300d>] rpc_call_sync+0x1d/0x40 [sunrpc]
[ 160.392088] [<f90d7633>] nfs4_proc_access+0x73/0x1b0 [nfs]
[ 160.392155] [<f90c1d12>] nfs_lookup+0xc2/0x170 [nfs]
[ 160.392229] [<c01b4223>] ll_rw_block+0x23/0xc0
[ 160.392263] [<f8aac8d7>] ext3_find_entry+0x1c7/0x650 [ext3]
[ 160.392310] [<c0121084>] kunmap_atomic+0x84/0xb0
[ 160.392428] [<f90c255d>] nfs_do_access+0xbd/0x2e0 [nfs]
[ 160.392512] [<f904a5b8>] rpcauth_lookupcred+0x58/0xa0 [sunrpc]
[ 160.392599] [<f90c2834>] nfs_permission+0xb4/0x160 [nfs]
[ 160.392636] [<c01a3f95>] dput+0x85/0x100
[ 160.392661] [<c019916b>] __follow_mount+0x1b/0x70
[ 160.392685] [<f90c2780>] nfs_permission+0x0/0x160 [nfs]
[ 160.392745] [<c0198fe7>] permission+0x97/0x120
[ 160.392775] [<c019acb9>] __link_path_walk+0x79/0xe10
[ 160.392783] [<c012813d>] finish_task_switch+0x8d/0x90
[ 160.392818] [<c031f3bc>] kprobe_flush_task+0x4c/0xa0
[ 160.392872] [<c019ba95>] link_path_walk+0x45/0xc0
[ 160.392897] [<c017d988>] handle_mm_fault+0x118/0x730
[ 160.392969] [<c019bce7>] do_path_lookup+0x77/0x200
[ 160.392984] [<c019aa3a>] getname+0xaa/0xe0
[ 160.393009] [<c019c74b>] __user_walk_fd+0x3b/0x60
[ 160.393037] [<c01953af>] vfs_lstat_fd+0x1f/0x50
[ 160.393062] [<c017d988>] handle_mm_fault+0x118/0x730
[ 160.393134] [<c019545f>] sys_lstat64+0xf/0x30
[ 160.393147] [<c031e0bf>] do_page_fault+0x13f/0x730
[ 160.393212] [<c01043c2>] sysenter_past_esp+0x6b/0xa9
[ 160.393250] [<c0310000>] unix_stream_sendmsg+0x1a0/0x390
[ 160.393286] =======================
[ 160.393289] Code: fe ff ff 8b 54 24 1c 0f b7 82 ac 00 00 00 c7 44 24 08 44
69 05 f9 c7 04 24 70 a0 05 f9 89 44 24 04 e8 14 bd 0d c7 e9 3c fe ff ff <0f> 0b
eb fe 0f b7 b0 ac 00 00 00 8b 57 24 8b 4f 20 8b 5f 2c 8b
[ 160.393366] EIP: [<f9051491>] rpcb_getport_async+0x251/0x3d0 [sunrpc] SS:ESP
0068:d071bbf4
[ 160.393425] ---[ end trace 6a6cff2fbe4f1a2c ]---
[ 274.568351] rpcbind: server lancelot.acoveo.co not responding, timed out
[ 274.576358] nfs: server lancelot.acoveo.co not responding, timed out
[ 331.381202] nfs: server lancelot.acoveo.co not responding, timed out
[ 446.130997] rpcbind: server lancelot.acoveo.co not responding, timed out
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
kernel bug: rpcb with a mounted nfs share
https://bugs.launchpad.net/bugs/244443
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