[BUG -rt] scheduling while atomic in -rt git tree

From: Luis Henriques
Date: Sun Feb 01 2009 - 15:01:01 EST


Hi,

I am using an x86_64 and getting the following log while executing the master in
the -rt git tree:

[ 28.182621] BUG: scheduling while atomic: sirq-net-rx/0/8/0x00000101, CPU#0
[ 28.182744] Modules linked in: parport_pc ppdev parport ipv6 powernow_k8
cpufreq_stats cpufreq_conservative cpufreq_ondemand freq_table cpufreq_powersave
cpufreq_userspace af_packet sbp2 loop joydev arc4 snd_hda_intel ecb snd_pcm
snd_page_alloc uvcvideo snd_hwdep ath5k snd_seq compat_ioctl32 mac80211 psmouse
snd_timer videodev snd_seq_device k8temp v4l1_compat led_class snd soundcore
cfg80211 rfkill input_polldev battery video output ac button evdev ext3 jbd
mbcache sg sr_mod cdrom ide_pci_generic ide_core ata_generic sd_mod pata_acpi
ohci1394 ahci ehci_hcd pata_atiixp ohci_hcd ieee1394 libata usbcore scsi_mod
r8169 mii thermal processor fan
[ 28.186632] Pid: 8, comm: sirq-net-rx/0 Tainted: G W
2.6.28-rt-00209-g82e0a07 #1
[ 28.186747] Call Trace:
[ 28.186831] [<ffffffff80455cb4>] ? netif_receive_skb+0x2c4/0x590
[ 28.186938] [<ffffffff80242795>] __schedule_bug+0x85/0x90
[ 28.187033] [<ffffffff804ead38>] thread_return+0x142/0x70a
[ 28.187127] [<ffffffff8020c3c8>] ? ftrace_call+0x5/0x2b
[ 28.187218] [<ffffffff8024f42f>] ksoftirqd+0x1df/0x270
[ 28.187306] [<ffffffff8024f250>] ? ksoftirqd+0x0/0x270
[ 28.187395] [<ffffffff802621de>] kthread+0x4e/0x90
[ 28.187481] [<ffffffff8020d639>] child_rip+0xa/0x11
[ 28.187569] [<ffffffff802408d9>] ? finish_task_switch+0x59/0x130
[ 28.187663] [<ffffffff804ed1ab>] ? _spin_unlock_irq+0x1b/0x40
[ 28.187753] [<ffffffff8020cb25>] ? restore_args+0x0/0x30
[ 28.187842] [<ffffffff80262190>] ? kthread+0x0/0x90
[ 28.187929] [<ffffffff8020d62f>] ? child_rip+0x0/0x11
[ 28.188034] ---------------------------
[ 28.188111] | preempt count: 00000101 ]
[ 28.188189] | 2-level deep critical section nesting:
[ 28.188272] ----------------------------------------
[ 28.188356] .. [<ffffffff804a9c16>] .... icmp_send+0xc6/0x6a0
[ 28.188497] .....[<ffffffff804a9c16>] .. ( <= icmp_send+0xc6/0x6a0)
[ 28.188639] .. [<ffffffff804ea7ac>] .... schedule+0x2c/0x476
[ 28.188777] .....[<ffffffff8024f42f>] .. ( <= ksoftirqd+0x1df/0x270)
[ 28.188918]

Can also provide my config file if needed.

--
Luis Henriques
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