linux-kernel - D-Link DGE-550SX (dl2k): WARNING: at net/sched/sch_generic.c:219 dev

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Date:	Wed, 26 Nov 2008 14:54:32 +0100
From:	Frantisek Hanzlik <franta@...zlici.cz>
To:	linux-kernel@...r.kernel.org
Subject: D-Link DGE-550SX (dl2k): WARNING: at net/sched/sch_generic.c:219
 dev_watchdog+0xda/0x12d()

Hello,
we just upgrade our old router (Fedora Core 5 on AlphaServer 800, kernel 2.6.17)
to new Fedora 10/2.6.27.5-117.fc10.i686 kernel on Core2Duo i686.

PCI-X Fiber 1000BASE-SX D-Link Network Adapter DGE-550SX, which worked fine in
old Alphaserver, freeze on new machine few minutes after start (What is interesting,
in one case after it sent exactly 8192 packets, an other cases are some multiples
of 8 too) and stop transmit packets. Only workaround (but for a while) is rmmod
+ modprobe dl2k.

/var/log/messages contains following messages:

Nov 25 19:05:12 ns kernel: ------------[ cut here ]------------
Nov 25 19:05:12 ns kernel: WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0xda/0x12d()
Nov 25 19:05:12 ns kernel: NETDEV WATCHDOG: eth1 (Sundance Technology IPG Triple-Speed Ethernet): transmit timed out
Nov 25 19:05:12 ns kernel: Modules linked in: hwmon_vid hwmon nf_nat_ftp nf_conntrack_ftp xt_comment iptable_nat nf_nat cpufreq_ondemand acpi_cpufreq dm_multipath uinput snd_hda_intel 
snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device dl2k snd_pcm_oss snd_mixer_oss snd_pcm ipg snd_timer snd_page_alloc snd_hwdep snd i2c_i801 firewire_ohci i2c_core 
soundcore pcspkr r8169 mii firewire_core crc_itu_t raid456 async_xor async_memcpy async_tx xor raid1 [last unloaded: microcode]
Nov 25 19:05:12 ns kernel: Pid: 0, comm: swapper Not tainted 2.6.27.5-117.fc10.i686 #1
Nov 25 19:05:12 ns kernel: [<c042bb3a>] warn_slowpath+0x4b/0x6c
Nov 25 19:05:12 ns kernel: [<c046fb00>] ? mempool_resize+0x15c/0x183
Nov 25 19:05:12 ns kernel: [<c048ca25>] ? __slab_free+0x63/0x26e
Nov 25 19:05:12 ns kernel: [<c048ce4e>] ? kmem_cache_free+0x71/0xa7
Nov 25 19:05:12 ns kernel: [<c048ca25>] ? __slab_free+0x63/0x26e
Nov 25 19:05:12 ns kernel: [<c050cb98>] ? blk_remove_plug+0x66/0x92
Nov 25 19:05:12 ns kernel: [<c050a19f>] ? elv_queue_empty+0x20/0x22
Nov 25 19:05:12 ns kernel: [<c050d29a>] ? blk_run_queue+0x28/0x2c
Nov 25 19:05:12 ns kernel: [<c059f8c5>] ? scsi_run_queue+0x250/0x27c
Nov 25 19:05:12 ns kernel: [<c0518eb6>] ? kobject_put+0x37/0x3c
Nov 25 19:05:12 ns kernel: [<c051bf6e>] ? strlcpy+0x17/0x49
Nov 25 19:05:12 ns kernel: [<c063e554>] dev_watchdog+0xda/0x12d
Nov 25 19:05:12 ns kernel: [<c05a0cef>] ? scsi_device_unbusy+0x6b/0x70
Nov 25 19:05:12 ns kernel: [<c04341f5>] run_timer_softirq+0x14b/0x1bb
Nov 25 19:05:12 ns kernel: [<c063e47a>] ? dev_watchdog+0x0/0x12d
Nov 25 19:05:12 ns kernel: [<c063e47a>] ? dev_watchdog+0x0/0x12d
Nov 25 19:05:12 ns kernel: [<c043076f>] __do_softirq+0x84/0x109
Nov 25 19:05:12 ns kernel: [<c04306eb>] ? __do_softirq+0x0/0x109
Nov 25 19:05:12 ns kernel: [<c0405eec>] do_softirq+0x77/0xdb
Nov 25 19:05:12 ns kernel: [<c04640bb>] ? handle_fasteoi_irq+0x0/0xc0
Nov 25 19:05:12 ns kernel: [<c04303d6>] irq_exit+0x44/0x83
Nov 25 19:05:12 ns kernel: [<c0405e5e>] do_IRQ+0xe7/0xfe
Nov 25 19:05:12 ns kernel: [<c0404654>] common_interrupt+0x28/0x30
Nov 25 19:05:12 ns kernel: [<c0564b95>] ? acpi_idle_enter_simple+0x162/0x19d
Nov 25 19:05:12 ns kernel: [<c0613efd>] cpuidle_idle_call+0x67/0x97
Nov 25 19:05:12 ns kernel: [<c0402c4d>] cpu_idle+0x101/0x134
Nov 25 19:05:12 ns kernel: [<c06a32de>] start_secondary+0x197/0x19f
Nov 25 19:05:12 ns kernel: =======================
Nov 25 19:05:12 ns kernel: ---[ end trace fd7fa9607e312047 ]---



Nov 25 19:29:33 ns kernel: ------------[ cut here ]------------
Nov 25 19:29:33 ns kernel: WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0xda/0x12d()
Nov 25 19:29:33 ns kernel: NETDEV WATCHDOG: eth1 (Sundance Technology IPG Triple-Speed Ethernet): transmit timed out
Nov 25 19:29:33 ns kernel: Modules linked in: hwmon_vid hwmon nf_nat_ftp nf_conntrack_ftp xt_comment iptable_nat nf_nat cpufreq_ondemand acpi_cpufreq dm_multipath uinput dl2k i2c_i801 pcspkr 
r8169 ipg mii i2c_core firewire_ohci firewire_core crc_itu_t raid456 async_xor async_memcpy async_tx xor raid1 [last unloaded: microcode]
Nov 25 19:29:33 ns kernel: Pid: 9941, comm: mail Not tainted 2.6.27.5-117.fc10.i686 #1
Nov 25 19:29:33 ns kernel: [<c042bb3a>] warn_slowpath+0x4b/0x6c
Nov 25 19:29:33 ns kernel: [<c046fb00>] ? mempool_resize+0x15c/0x183
Nov 25 19:29:33 ns kernel: [<c04b0b3b>] ? bio_free+0x40/0x44
Nov 25 19:29:33 ns kernel: [<c04b0b4d>] ? bio_fs_destructor+0xe/0x11
Nov 25 19:29:33 ns kernel: [<c04af8a5>] ? bio_put+0x26/0x28
Nov 25 19:29:33 ns kernel: [<c048a971>] ? virt_to_head_page+0x22/0x2e
Nov 25 19:29:33 ns kernel: [<c050c0d4>] ? queue_flag_clear+0x18/0x54
Nov 25 19:29:33 ns kernel: [<c050c17b>] ? __freed_request+0x6b/0x72
Nov 25 19:29:33 ns kernel: [<c0420940>] ? __enqueue_entity+0xe3/0xeb
Nov 25 19:29:33 ns kernel: [<c04223aa>] ? enqueue_entity+0x203/0x20b
Nov 25 19:29:33 ns kernel: [<c051bf6e>] ? strlcpy+0x17/0x49
Nov 25 19:29:33 ns kernel: [<c063e554>] dev_watchdog+0xda/0x12d
Nov 25 19:29:33 ns kernel: [<c0405e5e>] ? do_IRQ+0xe7/0xfe
Nov 25 19:29:33 ns kernel: [<c04341f5>] run_timer_softirq+0x14b/0x1bb
Nov 25 19:29:33 ns kernel: [<c063e47a>] ? dev_watchdog+0x0/0x12d
Nov 25 19:29:33 ns kernel: [<c063e47a>] ? dev_watchdog+0x0/0x12d
Nov 25 19:29:33 ns kernel: [<c043076f>] __do_softirq+0x84/0x109
Nov 25 19:29:33 ns kernel: [<c04306eb>] ? __do_softirq+0x0/0x109
Nov 25 19:29:33 ns kernel: [<c0405eec>] do_softirq+0x77/0xdb
Nov 25 19:29:33 ns kernel: [<c04303d6>] irq_exit+0x44/0x83
Nov 25 19:29:33 ns kernel: [<c0413ee9>] smp_apic_timer_interrupt+0x6e/0x7c
Nov 25 19:29:33 ns kernel: [<c0404759>] apic_timer_interrupt+0x2d/0x34
Nov 25 19:29:33 ns kernel: [<c041007b>] ? speedstep_target+0x23/0x7e
Nov 25 19:29:33 ns kernel: [<c0419e89>] ? native_flush_tlb_single+0x6/0x8
Nov 25 19:29:33 ns kernel: [<c041d37d>] kunmap_atomic+0x67/0xa7
Nov 25 19:29:33 ns kernel: [<c047a368>] follow_page+0x1c5/0x23b
Nov 25 19:29:33 ns kernel: [<c047b98e>] get_user_pages+0x289/0x2fe
Nov 25 19:29:33 ns kernel: [<c0493d9e>] get_arg_page+0x2d/0x80
Nov 25 19:29:33 ns kernel: [<c051dcb9>] ? strnlen_user+0x2f/0x4d
Nov 25 19:29:33 ns kernel: [<c0493eb4>] copy_strings+0xc3/0x160
Nov 25 19:29:33 ns kernel: [<c0495079>] do_execve+0x14e/0x215
Nov 25 19:29:33 ns kernel: [<c04023a3>] sys_execve+0x29/0x50
Nov 25 19:29:33 ns kernel: [<c0403c76>] syscall_call+0x7/0xb
Nov 25 19:29:33 ns kernel: [<c06a007b>] ? init_intel_cacheinfo+0x0/0x421
Nov 25 19:29:33 ns kernel: =======================
Nov 25 19:29:33 ns kernel: ---[ end trace 45c41aa8555c94fa ]---



Nov 25 19:41:00 ns kernel: ------------[ cut here ]------------
Nov 25 19:41:00 ns kernel: WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0xda/0x12d()
Nov 25 19:41:00 ns kernel: NETDEV WATCHDOG: eth1 (Sundance Technology IPG Triple-Speed Ethernet): transmit timed out
Nov 25 19:41:00 ns kernel: Modules linked in: hwmon_vid hwmon nf_nat_ftp nf_conntrack_ftp xt_comment iptable_nat nf_nat cpufreq_ondemand acpi_cpufreq dm_multipath uinput dl2k ipg 
firewire_ohci firewire_core crc_itu_t pcspkr r8169 mii i2c_i801 i2c_core raid456 async_xor async_memcpy async_tx xor raid1 [last unloaded: microcode]
Nov 25 19:41:00 ns kernel: Pid: 0, comm: swapper Not tainted 2.6.27.5-117.fc10.i686 #1
Nov 25 19:41:00 ns kernel: [<c042bb3a>] warn_slowpath+0x4b/0x6c
Nov 25 19:41:00 ns kernel: [<c0420900>] ? __enqueue_entity+0xa3/0xeb
Nov 25 19:41:00 ns kernel: [<c04223aa>] ? enqueue_entity+0x203/0x20b
Nov 25 19:41:00 ns kernel: [<c04223ed>] ? enqueue_task_fair+0x3b/0x3f
Nov 25 19:41:00 ns kernel: [<c041d92c>] ? resched_task+0x3a/0x6e
Nov 25 19:41:00 ns kernel: [<c06a76b3>] ? _spin_unlock_irqrestore+0x22/0x38
Nov 25 19:41:00 ns kernel: [<c0426237>] ? try_to_wake_up+0x221/0x22b
Nov 25 19:41:00 ns kernel: [<c06a77cc>] ? _spin_lock_irqsave+0x29/0x30
Nov 25 19:41:00 ns kernel: [<c051bf6e>] ? strlcpy+0x17/0x49
Nov 25 19:41:00 ns kernel: [<c063e554>] dev_watchdog+0xda/0x12d
Nov 25 19:41:00 ns kernel: [<c043a716>] ? __queue_work+0x26/0x2b
Nov 25 19:41:00 ns kernel: [<c04341f5>] run_timer_softirq+0x14b/0x1bb
Nov 25 19:41:00 ns kernel: [<c063e47a>] ? dev_watchdog+0x0/0x12d
Nov 25 19:41:00 ns kernel: [<c063e47a>] ? dev_watchdog+0x0/0x12d
Nov 25 19:41:00 ns kernel: [<c043076f>] __do_softirq+0x84/0x109
Nov 25 19:41:00 ns kernel: [<c04306eb>] ? __do_softirq+0x0/0x109
Nov 25 19:41:00 ns kernel: [<c0405eec>] do_softirq+0x77/0xdb
Nov 25 19:41:00 ns kernel: [<c04303d6>] irq_exit+0x44/0x83
Nov 25 19:41:00 ns kernel: [<c0413ee9>] smp_apic_timer_interrupt+0x6e/0x7c
Nov 25 19:41:00 ns kernel: [<c0404759>] apic_timer_interrupt+0x2d/0x34
Nov 25 19:41:00 ns kernel: [<c05649e4>] ? acpi_idle_enter_bm+0x277/0x2c6
Nov 25 19:41:00 ns kernel: [<c0613efd>] cpuidle_idle_call+0x67/0x97
Nov 25 19:41:00 ns kernel: [<c0402c4d>] cpu_idle+0x101/0x134
Nov 25 19:41:00 ns kernel: [<c0697406>] rest_init+0x4e/0x50
Nov 25 19:41:00 ns kernel: =======================
Nov 25 19:41:00 ns kernel: ---[ end trace 9ce93cc9159b5214 ]---

It is kernel bug, or some misconfiguration problem?
(DGE-550SX is 64bit bus PCI-X adapter, in our case pushed in standard
PCI 32 bit slot - but it should not be problem)

Thank in advance, Franta Hanzlik
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