Thank you for your suggestions.
I have tried kernel 3.9.0-030900rc5-generic, and the computer has now
been running for 5 days! (Previously the problem would have surfaced
after a day or two). I had some issues initially after booting: it would
boot but when trying to login the session would hang whilst running
.profile, so I think it's not completely working.
I've just had another instance of:
niu 0000:09:00.0: eth2: Transmit timed out, resetting
This time though eth2 recovered and the network is still functioning, so
that's an improvement but not a complete solution.
I don't know whether that means the problem is fixed or not, so I don't
know whether to tag "kernel-bug-exists-upstream" or "kernel-fixed-
upstream" (or even "kernel-unable-to-test-upstream" given the initial
problems).
Here's the syslog:
Apr 10 02:58:58 metope2 kernel: [388060.816009] ------------[ cut here
]------------
Apr 10 02:58:58 metope2 kernel: [388060.816031] WARNING: at
/home/apw/COD/linux/net/sched/sch_generic.c:255 dev_watchdog+0x262/0x270()
Apr 10 02:58:58 metope2 kernel: [388060.816037] Hardware name: SUN FIRE X2250
Apr 10 02:58:58 metope2 kernel: [388060.816039] NETDEV WATCHDOG: eth2 (niu):
transmit queue 7 timed out
Apr 10 02:58:58 metope2 kernel: [388060.816042] Modules linked in: nfsv3
autofs4 nfsd nfs_acl auth_rpcgss nfs fscache lockd sunrpc tpm_infineon xt_hl
ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ast ipt_REJECT xt_LOG ttm xt_limit
drm_kms_helper drm xt_tcpudp xt_addrtype coretemp kvm_intel kvm i2c_algo_bit
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state sysimgblt sysfillrect ip6table_filter
gpio_ich ip6_tables syscopyarea microcode ioatdma nf_conntrack_netbios_ns
nf_conntrack_broadcast nf_nat_ftp nf_nat i5400_edac tpm_tis lpc_ich
nf_conntrack_ftp edac_core nf_conntrack psmouse dca shpchp i5k_amb joydev
serio_raw iptable_filter mac_hid lp ip_tables parport x_tables hid_generic
usbhid hid raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov
e1000e ptp pps_core raid6_pq async_tx niu raid1 raid0 multipath linear
Apr 10 02:58:58 metope2 kernel: [388060.816126] Pid: 0, comm: swapper/1
Tainted: G I 3.9.0-030900rc5-generic #201303311835
Apr 10 02:58:58 metope2 kernel: [388060.816133] Call Trace:
Apr 10 02:58:58 metope2 kernel: [388060.816136] <IRQ> [<ffffffff8105a53f>]
warn_slowpath_common+0x7f/0xc0
Apr 10 02:58:58 metope2 kernel: [388060.816147] [<ffffffff8105a636>]
warn_slowpath_fmt+0x46/0x50
Apr 10 02:58:58 metope2 kernel: [388060.816156] [<ffffffff81077574>] ?
wake_up_worker+0x24/0x30
Apr 10 02:58:58 metope2 kernel: [388060.816163] [<ffffffff8160f3f2>]
dev_watchdog+0x262/0x270
Apr 10 02:58:58 metope2 kernel: [388060.816169] [<ffffffff81077fb0>] ?
__queue_work+0x2a0/0x2a0
Apr 10 02:58:58 metope2 kernel: [388060.816172] [<ffffffff8160f190>] ?
pfifo_fast_dequeue+0xe0/0xe0
Apr 10 02:58:58 metope2 kernel: [388060.816180] [<ffffffff8106a3a6>]
call_timer_fn+0x46/0x160
Apr 10 02:58:58 metope2 kernel: [388060.816185] [<ffffffff8106be77>]
run_timer_softirq+0x267/0x2c0
Apr 10 02:58:58 metope2 kernel: [388060.816191] [<ffffffff8101bad9>] ?
read_tsc+0x9/0x20
Apr 10 02:58:58 metope2 kernel: [388060.816198] [<ffffffff8160f190>] ?
pfifo_fast_dequeue+0xe0/0xe0
Apr 10 02:58:58 metope2 kernel: [388060.816205] [<ffffffff810630b8>]
__do_softirq+0xd8/0x270
Apr 10 02:58:58 metope2 kernel: [388060.816209] [<ffffffff810633b6>]
irq_exit+0x96/0xb0
Apr 10 02:58:58 metope2 kernel: [388060.816216] [<ffffffff8170e98e>]
smp_apic_timer_interrupt+0x6e/0x99
Apr 10 02:58:58 metope2 kernel: [388060.816221] [<ffffffff8170d85d>]
apic_timer_interrupt+0x6d/0x80
Apr 10 02:58:58 metope2 kernel: [388060.816224] <EOI> [<ffffffff81083f08>] ?
hrtimer_start+0x18/0x20
Apr 10 02:58:58 metope2 kernel: [388060.816236] [<ffffffff810451e6>] ?
native_safe_halt+0x6/0x10
Apr 10 02:58:58 metope2 kernel: [388060.816243] [<ffffffff8101cc35>]
default_idle+0x45/0x120
Apr 10 02:58:58 metope2 kernel: [388060.816246] [<ffffffff8101d749>]
cpu_idle+0xd9/0x120
Apr 10 02:58:58 metope2 kernel: [388060.816251] [<ffffffff816dfe85>]
start_secondary+0xc3/0xc5
Apr 10 02:58:58 metope2 kernel: [388060.816254] ---[ end trace 4a1e57573edccef8
]---
Apr 10 02:58:58 metope2 kernel: [388060.816260] niu 0000:09:00.0: eth2:
Transmit timed out, resetting
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1164497
Title:
niu 10g ethernet driver lock-up (Transmit timed out, resetting) and
NETDEV WATCHDOG
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