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Message-ID: <a8e1da0801220118vd5066c6g56541f19166193ca@mail.gmail.com> Date: Tue, 22 Jan 2008 17:18:48 +0800 From: "Dave Young" <hidave.darkstar@...il.com> To: "Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi> Cc: LKML <linux-kernel@...r.kernel.org>, "David Miller" <davem@...emloft.net>, Netdev <netdev@...r.kernel.org>, "Andrew Morton" <akpm@...ux-foundation.org> Subject: Re: 2.6.24-rc8-mm1 : net tcp_input.c warnings On Jan 22, 2008 5:09 PM, Dave Young <hidave.darkstar@...il.com> wrote: > > On Jan 22, 2008 12:37 PM, Dave Young <hidave.darkstar@...il.com> wrote: > > > > On Jan 22, 2008 5:14 AM, Ilpo Järvinen <ilpo.jarvinen@...sinki.fi> wrote: > > > > > > On Mon, 21 Jan 2008, Dave Young wrote: > > > > > > > Please see the kernel messages following,(trigged while using some qemu session) > > > > BTW, seems there's some e100 error message as well. > > > > > > > > PCI: Setting latency timer of device 0000:00:1b.0 to 64 > > > > e100: Intel(R) PRO/100 Network Driver, 3.5.23-k4-NAPI > > > > e100: Copyright(c) 1999-2006 Intel Corporation > > > > ACPI: PCI Interrupt 0000:03:08.0[A] -> GSI 20 (level, low) -> IRQ 20 > > > > modprobe:2331 conflicting cache attribute efaff000-efb00000 uncached<->default > > > > e100: 0000:03:08.0: e100_probe: Cannot map device registers, aborting. > > > > ACPI: PCI interrupt for device 0000:03:08.0 disabled > > > > e100: probe of 0000:03:08.0 failed with error -12 > > > > eth0: setting full-duplex. > > > > ------------[ cut here ]------------ > > > > WARNING: at net/ipv4/tcp_input.c:2169 tcp_mark_head_lost+0x121/0x150() > > > > Modules linked in: snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss eeprom e100 psmouse snd_hda_intel snd_pcm snd_timer btusb rtc_cmos thermal bluetooth rtc_core serio_raw intel_agp button processor sg snd rtc_lib i2c_i801 evdev agpgart soundcore dcdbas 3c59x pcspkr snd_page_alloc > > > > Pid: 0, comm: swapper Not tainted 2.6.24-rc8-mm1 #4 > > > > [<c0132100>] ? printk+0x0/0x20 > > > > [<c0131834>] warn_on_slowpath+0x54/0x80 > > > > [<c03e8df8>] ? ip_finish_output+0x128/0x2e0 > > > > [<c03e9527>] ? ip_output+0xe7/0x100 > > > > [<c03e8a88>] ? ip_local_out+0x18/0x20 > > > > [<c03e991c>] ? ip_queue_xmit+0x3dc/0x470 > > > > [<c043641e>] ? _spin_unlock_irqrestore+0x5e/0x70 > > > > [<c0186be1>] ? check_pad_bytes+0x61/0x80 > > > > [<c03f6031>] tcp_mark_head_lost+0x121/0x150 > > > > [<c03f60ac>] tcp_update_scoreboard+0x4c/0x170 > > > > [<c03f6e0a>] tcp_fastretrans_alert+0x48a/0x6b0 > > > > [<c03f7d93>] tcp_ack+0x1b3/0x3a0 > > > > [<c03fa14b>] tcp_rcv_established+0x3eb/0x710 > > > > [<c04015c5>] tcp_v4_do_rcv+0xe5/0x100 > > > > [<c0401bbb>] tcp_v4_rcv+0x5db/0x660 > > > > > > Doh, once more these S+L things..., the rest are symptom of the first > > > problem. > > > > What is the S+L thing? Could you explain a bit? > > > > > > > > What is strange is that it doesn't show up until now, the last TCP > > > changes that could have some significance are from early Dec/Nov. Is > > > there some reason why you haven't seen this before this (e.g., not > > > tested with similar cfg or so)? > > > > Hmm, don't know how to answer ... > > > > > > I'm a bit worried about its > > > reproducability if it takes this far to see it... > > > > > It's trigged again in my pc, just while using firefox. Maybe relate to the e100 error, I will apply jiri slaby's e100-iomap-mem-accesses patch to test. > > > > > > > -- > > > i. > > > > > > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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