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Date: Tue, 10 Mar 2009 06:42:03 +0100 From: Tom Weber <l_linux-kernel@...l2news.4t2.com> To: Francois Romieu <romieu@...zoreil.com> Cc: Michael Büker <m.bueker@...lin.de>, linux-kernel@...r.kernel.org Subject: Re: 2.6.27.19 + 28.7: network timeouts for r8169 and 8139too Am Sonntag, den 08.03.2009, 11:27 +0100 schrieb Tom Weber: > Happens at least with 2.6.28, 2.6.28.4, 2.6.28.6 and 2.6.29-rc7. > > This is a diskless box (on NFS) on GigE LAN, used for DVB-S > recordings/playback with vdr. [...] > Every once in while, more likely with heavy usage of the vdr stuff (like > recording two shows and/or cutting a recording) these show up. Of course > the impact is realy bad on a diskless system. It takes the system from > 10 seconds to 3 minutes to recover. After running 2.6.29-rc7 for more than a day now with lots of data moved around I got the impression that it is more stable than 2.6.28.6. I only got one warning so far and a few r8169: eth0: link up messages. I know this is a vague statement, but I think I would have seen more warnings with 2.6.28.6 and all the stuff I've done. Below is the latest / only Call trace I've got since my earlier mail. Note the 'eth0: link up' messages. This is where most likely the 2.6.28.6 would have barfed on me (cutting of recordings). This is the complete dmesg output since the first warning. I didn't remove anything before or between the 'link up' messages. [2.6.29-rc7 - same configs etc as described in my earlier mail] [ 320.501076] nfs: server 192.168.1.8 not responding, still trying [ 321.031065] nfs: server 192.168.1.8 not responding, still trying [ 321.997042] ------------[ cut here ]------------ [ 321.997050] WARNING: at net/sched/sch_generic.c:226 dev_watchdog+0x1f1/0x200() [ 321.997056] Hardware name: System Product Name [ 321.997060] NETDEV WATCHDOG: eth0 (r8169): transmit timed out [ 321.997063] Modules linked in: autofs4 powernow_k8 cpufreq_stats cpufreq_ondemand cpufreq_conservative cpufreq_performance freq_table pci_slot sbs ac battery video backlight output sbshc container sbp2 loop lnbp21 stv0299 snd_hda_codec_atihdmi snd_seq_dummy snd_seq_oss snd_hda_codec_realtek snd_seq_midi snd_hda_intel dvb_ttpci snd_hda_codec dvb_core snd_pcm_oss saa7146_vv saa7146 snd_rawmidi snd_mixer_oss videobuf_dma_sg evdev videobuf_core serio_raw psmouse videodev snd_seq_midi_event v4l1_compat ttpci_eeprom k8temp snd_pcm pcspkr snd_seq rtc_cmos rtc_core rtc_lib i2c_piix4 i2c_core snd_timer snd_seq_device button snd wmi soundcore snd_page_alloc af_packet pata_acpi ata_generic sg sr_mod cdrom ohci1394 pata_atiixp ehci_hcd ohci_hcd ahci ieee1394 libata usbcore scsi_mod raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0 multipath linear md_mod dm_mirror dm_region_hash dm_log dm_snapshot dm_mod thermal processor fan thermal_sys hwmon fuse [ 321.997191] Pid: 0, comm: swapper Not tainted 2.6.29-rc7 #1 [ 321.997195] Call Trace: [ 321.997207] [<c0229587>] warn_slowpath+0x87/0xe0 [ 321.997216] [<c0402177>] pskb_copy+0x27/0x160 [ 321.997222] [<c0402177>] pskb_copy+0x27/0x160 [ 321.997229] [<c0214829>] ack_apic_level+0x59/0x260 [ 321.997236] [<c0269c00>] rcu_sched_grace_period+0x1e0/0x2c0 [ 321.997242] [<c026897b>] handle_fasteoi_irq+0x8b/0xe0 [ 321.997249] [<c022eefd>] irq_exit+0x2d/0x90 [ 321.997256] [<c0204e6d>] do_IRQ+0x4d/0x90 [ 321.997266] [<c0246b41>] getnstimeofday+0x51/0x110 [ 321.997272] [<c02039e7>] common_interrupt+0x27/0x2c [ 321.997279] [<c0369d1f>] strlcpy+0x1f/0x60 [ 321.997285] [<c0419711>] dev_watchdog+0x1f1/0x200 [ 321.997291] [<c0240039>] posix_cpu_timer_set+0x409/0x450 [ 321.997298] [<c0243d5d>] sched_clock_cpu+0x14d/0x1a0 [ 321.997306] [<c02126a0>] lapic_next_event+0x10/0x20 [ 321.997312] [<c02493e3>] clockevents_program_event+0xa3/0x170 [ 321.997320] [<c0232f8d>] cascade+0x5d/0x80 [ 321.997326] [<c0233160>] run_timer_softirq+0x130/0x1f0 [ 321.997332] [<c0419520>] dev_watchdog+0x0/0x200 [ 321.997337] [<c0419520>] dev_watchdog+0x0/0x200 [ 321.997342] [<c022ec3f>] __do_softirq+0x7f/0x130 [ 321.997361] [<c022ed45>] do_softirq+0x55/0x60 [ 321.997366] [<c022ef45>] irq_exit+0x75/0x90 [ 321.997373] [<c0212eb7>] smp_apic_timer_interrupt+0x67/0xa0 [ 321.997384] [<c0203b00>] apic_timer_interrupt+0x28/0x30 [ 321.997392] [<c0209292>] default_idle+0x42/0x50 [ 321.997398] [<c020941f>] c1e_idle+0x2f/0xf0 [ 321.997403] [<c0202353>] cpu_idle+0x63/0xa0 [ 321.997412] [<c04ac293>] start_secondary+0x19e/0x2eb [ 321.997417] [<c020b9ce>] user_enable_single_step+0xe/0x10 [ 321.997422] ---[ end trace c509771bca9f9e70 ]--- [ 322.009305] nfs: server 192.168.1.8 OK [ 322.009589] r8169: eth0: link up [ 323.152320] nfs: server 192.168.1.8 OK [ 323.152397] nfs: server 192.168.1.8 OK [ 323.152508] nfs: server 192.168.1.8 OK [68818.001610] r8169: eth0: link up [69004.003443] r8169: eth0: link up [90178.001567] r8169: eth0: link up Tom -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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