also sprach Stefan Hajnoczi <stefanha@xxxxxxxxx> [2010.09.03.0732 +0200]: > > Begin: Assembling all MD arrays ... [ 4.711415] BUG: unable to handle kernel NULL pointer dereference at 0000000000000078 > > [ 4.715356] IP: [<ffffffffa0000074>] virtio_check_driver_offered_feature+0xb/0x2c [virtio] > > [ 4.715356] PGD d516067 PUD c1f1067 PMD 0 > > [ 4.715356] Oops: 0000 [#1] SMP > > [ 4.715356] last sysfs file: /sys/devices/virtual/block/md99/md/dev-vdb/state > > [ 4.715356] CPU 0 > > [ 4.715356] Modules linked in: sg sd_mod usb_storage sr_mod crc_t10dif cdrom ata_generic virtio_net raid1 md_mod uhci_hcd ehci_hcd ata_piix virtio_blk libata sym53c8xx scsi_transport_spi usbcore scsi_mod thermal floppy thermal_sys virtio_pci nls_base virtio_ring virtio [last unloaded: scsi_wait_scan] > > Is this crash deterministic? From your description it sounds like at > least the specific virtio device changes. Does it sometimes boot > successfully? I am sorry I forgot to mention: so far, the machine has always booted, whether the BUG was hit or not. -- martin | http://madduck.net/ | http://two.sentenc.es/ this space intentionally left blank. spamtraps: madduck.bogus@xxxxxxxxxxx
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