From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: 4.0-rc9-pre/xen-next: BUG: scheduling while atomic: xenwatch Date: Mon, 29 Mar 2010 15:36:02 -0700 Message-ID: <4BB12B52.5040909@goop.org> References: <201003300029.39711.mark.hurenkamp@xs4all.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <201003300029.39711.mark.hurenkamp@xs4all.nl> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Mark Hurenkamp Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 03/29/2010 03:29 PM, Mark Hurenkamp wrote: > Hi, > > I've got a machine running 4.0-rc9-pre with xen-next kernel. During boot-up i > see the following message repeated several times, is this harmful? Can i do > anything about it? > If you like more info, just let me know. > It's not good. Could you include the complete kernel output, preferably not line wrapped. Which version did you build the kernel from? Thanks, J > Regards, > Mark. > > > BUG: scheduling while atomic: xenwatch/23/0x00000003 > INFO: lockdep is turned off. > Modules linked in: radeon ttm drm_kms_helper drm joydev hidp rfcomm sco bnep > l2cap tun xt_physdev vboxnetadp vboxnetflt vboxdrv dummy bridge stp llc cx8800 > cx88xx bttv ir_common lirc_i2c lirc_dev autofs4 ipv6 nfsd exportfs nfs > tda18271 tda10048 lockd fscache nfs_acl auth_rpcgss wm8775 tea5767 > tuner_simple tuner_types tda9887 tda8290 snd_hda_codec_atihdmi tuner > snd_hda_codec_via cx25840 snd_hda_intel msp3400 snd_hda_codec cx23885 saa7127 > snd_pcm_oss sunrpc snd_mixer_oss videobuf_dma_sg snd_hwdep videobuf_dvb > snd_seq_dummy snd_pcm saa7115 snd_seq_oss dvb_core snd_seq_midi ivtv > snd_rawmidi i2c_algo_bit cx2341x snd_seq_midi_event v4l2_common snd_seq > videobuf_core videodev snd_timer v4l1_compat btcx_risc snd_seq_device btusb > v4l2_compat_ioctl32 8250_pnp snd tveeprom asix soundcore asus_atk0110 > bluetooth snd_page_alloc i2c_core usbnet 8250 hwmon shpchp serial_core raid10 > raid456 async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy > async_tx multipath linear fuse raid0 raid1 ata_generic pata_acpi r8169 mii > pata_jmicron > Pid: 23, comm: xenwatch Tainted: G W 2.6.32mh23 #3 > Call Trace: > [] __schedule_bug+0x77/0x7c > [] schedule+0xd5/0x849 > [] ? xen_force_evtchn_callback+0xd/0xf > [] ? check_events+0x12/0x20 > [] ? prepare_to_wait+0x58/0x61 > [] ? _spin_unlock_irqrestore+0x70/0x7e > [] read_reply+0xa1/0x11e > [] ? autoremove_wake_function+0x0/0x39 > [] xs_talkv+0xb2/0x174 > [] ? kasprintf+0x38/0x3b > [] xs_single+0x3a/0x3c > [] xenbus_read+0x42/0x5b > [] xenbus_scanf+0x22/0x75 > [] ? snprintf+0x34/0x36 > [] pciback_publish_pci_root+0xe6/0x242 > [] ? lock_acquired+0x255/0x264 > [] ? pciback_publish_pci_roots+0x2c/0xc3 > [] ? xen_evtchn_do_upcall+0x11a/0x1ec > [] ? pciback_publish_pci_root+0x0/0x242 > [] pciback_publish_pci_roots+0x92/0xc3 > [] pciback_setup_backend+0x239/0x2e6 > [] ? xenbus_gather+0xd3/0x11d > [] pciback_be_watch+0x2c/0x30 > [] pciback_xenbus_probe+0x1ae/0x1fa > [] xenbus_dev_probe+0xb8/0x17c > [] driver_probe_device+0xde/0x1fe > [] __device_attach+0x3a/0x3f > [] ? __device_attach+0x0/0x3f > [] bus_for_each_drv+0x59/0x90 > [] device_attach+0x66/0x7d > [] bus_probe_device+0x27/0x3e > [] device_add+0x3b4/0x55f > [] ? __spin_lock_init+0x31/0x54 > [] device_register+0x1e/0x22 > [] xenbus_probe_node+0x129/0x1cf > [] xenbus_dev_changed+0x15b/0x18b > [] ? xen_restore_fl_direct_end+0x0/0x1 > [] ? lock_release+0x1ac/0x1b9 > [] ? _raw_spin_unlock+0x8f/0x98 > [] backend_changed+0x3b/0x5b > [] xenwatch_thread+0x111/0x14c > [] ? autoremove_wake_function+0x0/0x39 > [] ? xenwatch_thread+0x0/0x14c > [] kthread+0x7f/0x87 > [] child_rip+0xa/0x20 > [] ? restore_args+0x0/0x30 > [] ? check_events+0x12/0x20 > [] ? check_events+0x12/0x20 > [] ? child_rip+0x0/0x20 > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel > >