Description of problem: If i try to copy a dvd over scp to fedora 11 with sky2 network device i get a kernel-oops. First traffic to fedora11 is starting with 30mb/s after 500Gb network traffic goes down to 0 and finaly i get this kernel-oops. Version-Release number of selected component (if applicable): kernel-2.6.29.4-167.fc11.x86_64 kernel-2.6.29.5-191.fc11.x86_64 How reproducible: Steps to Reproduce: 1. scp dvd image file -> kernel-oops 2. stop network 3. relaod kernel modul sky2 4. start network 5. scp dvd image file -> kernel-oops Actual results: ------------[ cut here ]------------ WARNING: at net/sched/sch_generic.c:226 dev_watchdog+0xcf/0x12c() (Not tainted) Hardware name: System Product Name NETDEV WATCHDOG: eth0 (sky2): transmit timed out Modules linked in: fuse ipt_MASQUERADE iptable_nat nf_nat bridge stp llc ipv6 cpufreq_ondemand acpi_cpufreq freq_table dm_multipath raid1 kvm_intel kvm uinput saa7134_alsa snd_hda_codec_analog saa7134 snd_hda_intel snd_hda_codec ir_common firewire_ohci snd_hwdep v4l2_common snd_pcm firewire_core videodev v4l1_compat crc_itu_t v4l2_compat_ioctl32 snd_timer videobuf_dma_sg wmi snd videobuf_core tveeprom soundcore asus_atk0110 hwmon snd_page_alloc sky2 i2c_i801 iTCO_wdt iTCO_vendor_support pata_marvell pcspkr ata_generic pata_acpi raid0 nouveau drm i2c_algo_bit i2c_core [last unloaded: microcode] Pid: 0, comm: swapper Not tainted 2.6.29.5-191.fc11.x86_64 #1 Call Trace: <IRQ> [<ffffffff8104883f>] warn_slowpath+0xbc/0xf0 [<ffffffff813abe44>] ? _spin_unlock_irqrestore+0x2c/0x42 [<ffffffff81039604>] ? task_rq_unlock+0x11/0x13 [<ffffffff8104056b>] ? try_to_wake_up+0x25b/0x26d [<ffffffff8104058f>] ? default_wake_function+0x12/0x14 [<ffffffff8105c8ed>] ? autoremove_wake_function+0x16/0x39 [<ffffffff810379ac>] ? __wake_up_common+0x4e/0x84 [<ffffffff813abe44>] ? _spin_unlock_irqrestore+0x2c/0x42 [<ffffffff813abbfa>] ? _spin_lock+0xe/0x11 [<ffffffff8132196d>] dev_watchdog+0xcf/0x12c [<ffffffff81051bf6>] ? internal_add_timer+0xcf/0xd1 [<ffffffff81051caf>] ? cascade+0x6a/0x84 [<ffffffff81051e67>] run_timer_softirq+0x19e/0x224 [<ffffffff81063094>] ? getnstimeofday+0x5f/0xb3 [<ffffffff8104df6f>] __do_softirq+0x94/0x155 [<ffffffff8101274c>] call_softirq+0x1c/0x30 [<ffffffff810138ce>] do_softirq+0x52/0xb9 [<ffffffff8104db92>] irq_exit+0x53/0x90 [<ffffffff81022464>] smp_apic_timer_interrupt+0x8e/0xa7 [<ffffffff81012123>] apic_timer_interrupt+0x13/0x20 <EOI> [<ffffffff81017c0a>] ? mwait_idle+0x9e/0xc7 [<ffffffff81017c01>] ? mwait_idle+0x95/0xc7 [<ffffffff813aeac9>] ? atomic_notifier_call_chain+0x13/0x15 [<ffffffff81010237>] ? enter_idle+0x27/0x29 [<ffffffff810102a1>] ? cpu_idle+0x68/0xb3 [<ffffffff813a5e3c>] ? start_secondary+0x199/0x19e ---[ end trace 787637c467b6664d ]--- sky2 eth0: tx timeout sky2 eth0: transmit ring 130 .. 90 report=130 done=130 sky2 eth0: disabling interface sky2 eth0: enabling interface sky2 eth0: Link is up at 1000 Mbps, full duplex, flow control both sky2 eth0: disabling interface sky2 eth0: enabling interface ADDRCONF(NETDEV_UP): eth0: link is not ready sky2 eth0: Link is up at 1000 Mbps, full duplex, flow control both ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready Expected results: Additional info:
Solved upstream: http://patchwork.ozlabs.org/patch/44213/ dma tx buffers were never unmapped. -- Fedora Bugzappers volunteer triage team https://fedoraproject.org/wiki/BugZappers
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