[r8169] WARNING: at net/sched/sch_generic.c
in [Kernel]
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From: Sergey Senozhatsky on 26 Jul 2010 11:00 On (07/26/10 16:34), Eric Dumazet wrote: > > Sorry for the dealy - I've been away. > > So, the bad news are that this is probably the last time I can test this bug. This laptop will > > no longer be available. Sorry. > > > > > > [ 2599.495508] pktgen 2.73: Packet Generator for packet performance testing. > > [ 2630.016019] ------------[ cut here ]------------ > > [ 2630.016031] WARNING: at net/sched/sch_generic.c:258 dev_watchdog+0xc1/0x129() > > [ 2630.016035] Hardware name: F3JC > > [ 2630.016038] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out > > [ 2630.016041] Modules linked in: pktgen ipv6 arc4 ecb iwl3945 snd_hwdep iwlcore snd_seq_dummy snd_hda_codec_si3054 snd_hda_codec_realtek snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device mac80211 snd_pcm_oss snd_mixer_oss asus_laptop > > snd_hda_intel sparse_keymap sdhci_pci sdhci mmc_core led_class cfg80211 snd_hda_codec snd_pcm snd_timer snd_page_alloc snd rng_core soundcore usb_storage sg psmouse evdev i2c_i801 serio_raw r8169 mii uhci_hcd ehci_hcd sd_mod sr_mod usbcore > > cdrom ata_piix > > [ 2630.016114] Pid: 4282, comm: kpktgend_0 Not tainted 2.6.35-rc6-dbg-git1-00136-g459ab2a-dirty #75 > > [ 2630.016118] Call Trace: > > [ 2630.016125] [<c102e3ae>] warn_slowpath_common+0x65/0x7a > > [ 2630.016131] [<c12695f3>] ? dev_watchdog+0xc1/0x129 > > [ 2630.016136] [<c102e427>] warn_slowpath_fmt+0x26/0x2a > > [ 2630.016142] [<c12695f3>] dev_watchdog+0xc1/0x129 > > [ 2630.016149] [<c10370b3>] ? run_timer_softirq+0x136/0x22b > > [ 2630.016154] [<c103710c>] run_timer_softirq+0x18f/0x22b > > [ 2630.016160] [<c10370b3>] ? run_timer_softirq+0x136/0x22b > > [ 2630.016165] [<c1269532>] ? dev_watchdog+0x0/0x129 > > [ 2630.016171] [<c1032c35>] __do_softirq+0x88/0x10c > > [ 2630.016177] [<c1032ce8>] do_softirq+0x2f/0x47 > > [ 2630.016182] [<c1032fa5>] irq_exit+0x38/0x75 > > [ 2630.016187] [<c10159b8>] smp_apic_timer_interrupt+0x5f/0x6d > > [ 2630.016195] [<f80555e4>] ? pktgen_xmit+0xda2/0xe6f [pktgen] > > [ 2630.016202] [<c12c75a2>] apic_timer_interrupt+0x36/0x3c > > [ 2630.016208] [<f80555e4>] ? pktgen_xmit+0xda2/0xe6f [pktgen] > > [ 2630.016214] [<f80555e4>] ? pktgen_xmit+0xda2/0xe6f [pktgen] > > [ 2630.016220] [<c104007b>] ? __kfifo_peek_n+0x13/0x2b > > [ 2630.016226] [<c1032edd>] ? _local_bh_enable_ip+0x9d/0xb3 > > [ 2630.016231] [<c1032efb>] local_bh_enable_ip+0x8/0xa > > [ 2630.016236] [<c12c6aaa>] _raw_spin_unlock_bh+0x2f/0x32 > > [ 2630.016242] [<f80555e4>] pktgen_xmit+0xda2/0xe6f [pktgen] > > [ 2630.016253] [<f91707b8>] ? rtl8169_start_xmit+0x0/0x307 [r8169] > > [ 2630.016261] [<c11800d8>] ? plist_add+0x85/0x87 > > [ 2630.016267] [<f80558ac>] ? pktgen_thread_worker+0x96/0x5c3 [pktgen] > > [ 2630.016273] [<c1029096>] ? get_parent_ip+0xb/0x31 > > [ 2630.016279] [<c1029138>] ? sub_preempt_count+0x7c/0x89 > > [ 2630.016285] [<f8055986>] pktgen_thread_worker+0x170/0x5c3 [pktgen] > > [ 2630.016290] [<c12c52bb>] ? schedule+0x535/0x545 > > [ 2630.016296] [<c103fd96>] ? autoremove_wake_function+0x0/0x2f > > [ 2630.016301] [<c103fd96>] ? autoremove_wake_function+0x0/0x2f > > [ 2630.016307] [<f8055816>] ? pktgen_thread_worker+0x0/0x5c3 [pktgen] > > [ 2630.016313] [<c103faa6>] kthread+0x6a/0x6f > > [ 2630.016318] [<c103fa3c>] ? kthread+0x0/0x6f > > [ 2630.016324] [<c1002d82>] kernel_thread_helper+0x6/0x10 > > [ 2630.016328] ---[ end trace 0bdadff7f249bd0d ]--- > > [ 2630.032549] r8169 0000:02:00.0: eth0: link up > > > > > > Sergey > Hello, > r8169 driver misses a netif_carrier_off() call somewhere, probably when > adapter is reset > > Sergey, do you run a pktgen only test (sending packets, and not > receiving packets during the test), or a mixed workload ? > Only sending. -- PGDEV=/proc/net/pktgen/eth0 echo "Configuring $PGDEV" pgset "$COUNT" pgset "$CLONE_SKB" pgset "$PKT_SIZE" pgset "$DELAY" pgset "dst 192.168.x.x" pgset "dst_mac x:x:x:x:x:x" PGDEV=/proc/net/pktgen/pgctrl echo "Running..." pgset "start" -- > r8169 is known to reset if the RX ring buffer is stressed too much. > Sergey
From: Eric Dumazet on 26 Jul 2010 11:30 Le lundi 26 juillet 2010 à 17:57 +0300, Sergey Senozhatsky a écrit : > > Only sending. > > -- > PGDEV=/proc/net/pktgen/eth0 > echo "Configuring $PGDEV" > pgset "$COUNT" > pgset "$CLONE_SKB" > pgset "$PKT_SIZE" > pgset "$DELAY" > pgset "dst 192.168.x.x" > pgset "dst_mac x:x:x:x:x:x" > > PGDEV=/proc/net/pktgen/pgctrl > > echo "Running..." > pgset "start" > -- > > If you try with a DELAY=3000 (or 5000), what happens ? Do you have TX pause enabled ? If yes, try to disable pauses. # ethtool -a eth0 Pause parameters for eth0: Autonegotiate: on RX: on TX: on # ethtool -A eth0 rx off tx off # ethtool -a eth0 Pause parameters for eth0: Autonegotiate: on RX: off TX: off -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Sergey Senozhatsky on 26 Jul 2010 11:50
DELAY 3000 [ 302.735684] pktgen 2.73: Packet Generator for packet performance testing. [ 345.008016] ------------[ cut here ]------------ [ 345.008028] WARNING: at net/sched/sch_generic.c:258 dev_watchdog+0xc1/0x129() [ 345.008032] Hardware name: F3JC [ 345.008035] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out [ 345.008038] Modules linked in: pktgen ipv6 arc4 ecb iwl3945 snd_seq_dummy iwlcore mac80211 snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device sdhci_pci sdhci mmc_core asus_laptop sparse_keymap led_class cfg snd_mixer_oss snd_hda_codec_si3054 snd_hda_codec_realtek sg rng_core psmouse snd_hda_intel evdev snd_hda_codec snd_pcm snd_timer i2c_i801 snd_page_alloc serio_raw snd soundcore r8169 mii uhci_hcd ehci_hcd sr_mod ata_piix [ 345.008109] Pid: 4013, comm: kpktgend_0 Not tainted 2.6.35-rc6-dbg-git1-00136-g459ab2a-dirty #75 [ 345.008113] Call Trace: [ 345.008121] [<c102e3ae>] warn_slowpath_common+0x65/0x7a [ 345.008127] [<c12695f3>] ? dev_watchdog+0xc1/0x129 [ 345.008132] [<c102e427>] warn_slowpath_fmt+0x26/0x2a [ 345.008137] [<c12695f3>] dev_watchdog+0xc1/0x129 [ 345.008145] [<c10370b3>] ? run_timer_softirq+0x136/0x22b [ 345.008150] [<c103710c>] run_timer_softirq+0x18f/0x22b [ 345.008155] [<c10370b3>] ? run_timer_softirq+0x136/0x22b [ 345.008161] [<c1269532>] ? dev_watchdog+0x0/0x129 [ 345.008167] [<c1032c35>] __do_softirq+0x88/0x10c [ 345.008173] [<c1032ce8>] do_softirq+0x2f/0x47 [ 345.008180] [<f80555e4>] ? pktgen_xmit+0xda2/0xe6f [pktgen] [ 345.008185] [<c1032ecb>] _local_bh_enable_ip+0x8b/0xb3 [ 345.008191] [<c1032efb>] local_bh_enable_ip+0x8/0xa [ 345.008197] [<c12c6aaa>] _raw_spin_unlock_bh+0x2f/0x32 [ 345.008203] [<f80555e4>] pktgen_xmit+0xda2/0xe6f [pktgen] [ 345.008213] [<f91707b8>] ? rtl8169_start_xmit+0x0/0x307 [r8169] [ 345.008220] [<c12c007b>] ? early_init_amd+0x49/0xad [ 345.008227] [<f80558ac>] ? pktgen_thread_worker+0x96/0x5c3 [pktgen] [ 345.008233] [<c1029096>] ? get_parent_ip+0xb/0x31 [ 345.008239] [<c1029138>] ? sub_preempt_count+0x7c/0x89 [ 345.008245] [<f8055986>] pktgen_thread_worker+0x170/0x5c3 [pktgen] [ 345.008250] [<c12c52bb>] ? schedule+0x535/0x545 [ 345.008256] [<c103fd96>] ? autoremove_wake_function+0x0/0x2f [ 345.008262] [<c103fd96>] ? autoremove_wake_function+0x0/0x2f [ 345.008268] [<f8055816>] ? pktgen_thread_worker+0x0/0x5c3 [pktgen] [ 345.008273] [<c103faa6>] kthread+0x6a/0x6f [ 345.008279] [<c103fa3c>] ? kthread+0x0/0x6f [ 345.008284] [<c1002d82>] kernel_thread_helper+0x6/0x10 [ 345.008289] ---[ end trace 12f779451dc46abe ]--- [ 345.024502] r8169 0000:02:00.0: eth0: link up DELAY 5000 [ 72.186395] pktgen 2.73: Packet Generator for packet performance testing. [ 102.817029] ------------[ cut here ]------------ [ 102.817040] WARNING: at net/sched/sch_generic.c:258 dev_watchdog+0xc1/0x129() [ 102.817044] Hardware name: F3JC [ 102.817047] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out [ 102.817050] Modules linked in: pktgen ipv6 snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device arc4 ecb snd_hwdep iwl3945 snd_hda_codec_si3054 snd_pcm_oss snd_mixer_oss iwlcore asus_laptop sparse_keymap sdhci_pci sdhci snd_hda_codec_realtek mac80211 mmc_core led_class cfg80211 snd_hda_intel psmouse snd_hda_codec rng_core i2c_i801 snd_pcm snd_timer snd_page_alloc evdev sg serio_raw snd soundcore r8169 mii uhci_hcd ehci_hcd sr_mod usbcore cdrom sd_mod ata_piix [ 102.817121] Pid: 0, comm: swapper Not tainted 2.6.35-rc6-dbg-git1-00136-g459ab2a-dirty #75 [ 102.817125] Call Trace: [ 102.817133] [<c102e3ae>] warn_slowpath_common+0x65/0x7a [ 102.817138] [<c12695f3>] ? dev_watchdog+0xc1/0x129 [ 102.817144] [<c102e427>] warn_slowpath_fmt+0x26/0x2a [ 102.817149] [<c12695f3>] dev_watchdog+0xc1/0x129 [ 102.817156] [<c10370b3>] ? run_timer_softirq+0x136/0x22b [ 102.817162] [<c103710c>] run_timer_softirq+0x18f/0x22b [ 102.817167] [<c10370b3>] ? run_timer_softirq+0x136/0x22b [ 102.817173] [<c1269532>] ? dev_watchdog+0x0/0x129 [ 102.817179] [<c1032c35>] __do_softirq+0x88/0x10c [ 102.817185] [<c1032ce8>] do_softirq+0x2f/0x47 [ 102.817190] [<c1032fa5>] irq_exit+0x38/0x75 [ 102.817195] [<c10159b8>] smp_apic_timer_interrupt+0x5f/0x6d [ 102.817202] [<c12c75a2>] apic_timer_interrupt+0x36/0x3c [ 102.817209] [<c104007b>] ? __kfifo_peek_n+0x13/0x2b [ 102.817215] [<c11dd72e>] ? acpi_idle_enter_simple+0x117/0x14b [ 102.817222] [<c1246a21>] cpuidle_idle_call+0x6a/0xa0 [ 102.817227] [<c100170d>] cpu_idle+0x89/0xbe [ 102.817234] [<c12c2085>] start_secondary+0x1f4/0x1fb [ 102.817239] ---[ end trace 6b1be7ded90fe937 ]--- [ 102.833500] r8169 0000:02:00.0: eth0: link up As for ethtool -a/-A, I have an "Cannot get device pause settings: Operation not supported" error. Sergey |