Hey Moritz,
thanks for suggestion, but it is not really an option.
I tried backports already and with that i have same issue as before (when i was
using intrepid) - the network keeps disconnecting frequently, specially under
the load (e.g. when transfering data files bigger then 1GB) and since I work
with large data files a lot this makes wireless totally useless to me. So for
now it seems less painful to live with the lockup issue, specially since the
frequency of it happening is cca once a week only.
Since you think it is network related rather then evolution, it might be of
help that i see following info in syslog every few seconds (removed the real
mac address and IP addresses):
ay 19 08:38:20 ace2 NetworkManager: <info> (wlan0): supplicant connection
state: completed -> group handshake
May 19 08:38:20 ace2 NetworkManager: <info> (wlan0): supplicant connection
state: group handshake -> completed
May 19 08:38:51 ace2 NetworkManager: <info> (wlan0): supplicant connection
state: completed -> group handshake
May 19 08:38:51 ace2 NetworkManager: <info> (wlan0): supplicant connection
state: group handshake -> completed
May 19 08:38:54 ace2 kernel: [ 290.065971] Inbound IN=wlan0 OUT=
MAC=00:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:00 SRC=YYY.YYY.YYY.YYY
DST=ZZZ.ZZZ.ZZZ.ZZZ LEN=92 TOS=0x00 PREC=0x00 TTL=49 ID=54402 DF PROTO=TCP
SPT=6667 DPT=59313 WINDOW=5840 RES=0x00 ACK PSH URGP=0
M
and also this one (seen it first time today, never noticed before):
May 19 15:15:57 ace2 kernel: [24112.997210] no space for new kewModules linked
in: xt_limit xt_tcpudp ipt_LOG ipt_MASQUERADE xt_DSCP ipt_REJECT
nf_conntrack_irc nf_conntrack_ftp xt_state aes_x86_64 aes_generic hidp
binfmt_misc ppdev bridge stp bnep vboxnetflt vboxdrv input_polldev joydev lp
parport snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy
snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event arc4 snd_seq ecb
mmc_block snd_timer iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack
nf_defrag_ipv4 iwlagn snd_seq_device iptable_mangle iwlcore iptable_filter snd
ip_tables mac80211 psmouse soundcore sdhci_pci tpm_infineon tpm x_tables video
asus_laptop serio_raw pcspkr snd_page_alloc ricoh_mmc sdhci intel_agp tpm_bios
iTCO_wdt iTCO_vendor_support btusb cfg80211 output led_class nvidia(P) usbhid
ohci1394 ieee1394 e1000e vesafb fbcon tileblit font bitblit softcursor
May 19 15:15:57 ace2 kernel: [24112.997338] Pid: 10, comm: events/1 Tainted: P
W 2.6.28-11-generic #42-Ubuntu
May 19 15:15:57 ace2 kernel: [24112.997343] Call Trace:
May 19 15:15:57 ace2 kernel: [24112.997358] [<ffffffff80250927>]
warn_slowpath+0xb7/0xf0
May 19 15:15:57 ace2 kernel: [24112.997368] [<ffffffff80373739>] ?
ext4_check_descriptors+0x299/0x2a0
May 19 15:15:57 ace2 kernel: [24112.997376] [<ffffffff802fca21>] ?
alloc_inode+0x1f1/0x220
May 19 15:15:57 ace2 kernel: [24112.997384] [<ffffffff8031765e>] ?
inotify_d_instantiate+0x4e/0x60
May 19 15:15:57 ace2 kernel: [24112.997402] [<ffffffffa09ab2b0>] ?
iwl4965_mac_set_key+0x0/0x160 [iwlagn]
May 19 15:15:57 ace2 kernel: [24112.997410] [<ffffffff803bff62>] ?
debugfs_mknod+0xd2/0x130
May 19 15:15:57 ace2 kernel: [24112.997416] [<ffffffff802fb499>] ?
dput+0xb9/0x190
May 19 15:15:57 ace2 kernel: [24112.997422] [<ffffffff803c0108>] ?
debugfs_create_by_name+0x148/0x220
May 19 15:15:57 ace2 kernel: [24112.997431] [<ffffffff8022f669>] ?
default_spin_lock_flags+0x9/0x10
May 19 15:15:57 ace2 kernel: [24112.997450] [<ffffffffa098b9da>]
iwl_set_dynamic_key+0x1aa/0x1b0 [iwlcore]
May 19 15:15:57 ace2 kernel: [24112.997466] [<ffffffffa09ab3dc>]
iwl4965_mac_set_key+0x12c/0x160 [iwlagn]
May 19 15:15:57 ace2 kernel: [24112.997501] [<ffffffffa0936d83>]
ieee80211_key_enable_hw_accel+0x83/0x160 [mac80211]
May 19 15:15:57 ace2 kernel: [24112.997508] [<ffffffff803bfe85>] ?
debugfs_remove+0x65/0x70
May 19 15:15:57 ace2 kernel: [24112.997537] [<ffffffffa0937120>]
__ieee80211_key_todo+0x130/0x1b0 [mac80211]
May 19 15:15:57 ace2 kernel: [24112.997566] [<ffffffffa0937300>] ?
key_todo+0x0/0x10 [mac80211]
May 19 15:15:57 ace2 kernel: [24112.997593] [<ffffffffa09372e5>]
ieee80211_key_todo+0x15/0x30 [mac80211]
May 19 15:15:57 ace2 kernel: [24112.997620] [<ffffffffa0937309>]
key_todo+0x9/0x10 [mac80211]
May 19 15:15:57 ace2 kernel: [24112.997628] [<ffffffff8026430a>]
run_workqueue+0xba/0x190
May 19 15:15:57 ace2 kernel: [24112.997637] [<ffffffff802645e7>]
worker_thread+0xa7/0x120
May 19 15:15:57 ace2 kernel: [24112.997645] [<ffffffff80268930>] ?
autoremove_wake_function+0x0/0x40
May 19 15:15:57 ace2 kernel: [24112.997651] [<ffffffff80264540>] ?
worker_thread+0x0/0x120
May 19 15:15:57 ace2 kernel: [24112.997658] [<ffffffff802684c9>]
kthread+0x49/0x90
May 19 15:15:57 ace2 kernel: [24112.997666] [<ffffffff80213979>]
child_rip+0xa/0x11
May 19 15:15:57 ace2 kernel: [24112.997673] [<ffffffff80268480>] ?
kthread+0x0/0x90
May 19 15:15:57 ace2 kernel: [24112.997679] [<ffffffff8021396f>] ?
child_rip+0x0/0x11
May 19 15:15:57 ace2 kernel: [24112.997684] ---[ end trace 4eaa2a86a8e2da22 ]---
--
soft lockup - CPU#1 stuck for 61s! [cron:3954]
https://bugs.launchpad.net/bugs/376363
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