Comment 1 for bug 622636

Hello,

We are seeing this kernel bug as well:

   17.452673] ------------[ cut here ]------------
[ 17.452877] kernel BUG at /build/buildd/linux-2.6.24/debian/build/custom-source-xen/mm/memory.c:2704!
[ 17.453087] invalid opcode: 0000 [1] SMP
[ 17.453605] CPU 3
[ 17.453952] Modules linked in: ppdev ac sbs video output ipv6 battery dock sbshc iptable_filter ip_tables x_tables parport_pc lp parport loop 8250_pnp serio_raw 8250 evdev serial_core psmouse pcspkr container iTCO_wdt iTCO_vendor_support button shpchp pci_hotplug e752x_edac edac_core dm_multipath ext3 jbd mbcache sg sr_mod cdrom ata_piix ata_generic pata_acpi uhci_hcd floppy ehci_hcd libata cciss usbcore scsi_mod tg3 raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0 multipath linear md_mod dm_mirror dm_snapshot dm_mod thermal processor fan fuse
[ 17.465650] Pid: 5270, comm: xm Not tainted 2.6.24-28-xen #1
[ 17.465807] RIP: e030:[<ffffffff80288b55>] [<ffffffff80288b55>] make_pages_present+0xa5/0xc0
[ 17.466119] RSP: e02b:ffff880268f6fe98 EFLAGS: 00010246
[ 17.466273] RAX: ffff880267641f00 RBX: 00007fffda7c8000 RCX: 0000000000100173
[ 17.466432] RDX: 00000000ffffffff RSI: 00007fffda7c8000 RDI: ffff880267028500
[ 17.466590] RBP: 00007fffda7c8000 R08: ffff880269424c90 R09: 0000000000000000
[ 17.466750] R10: ffff880269424c90 R11: ffff880267676f30 R12: 0000000000102173
[ 17.466909] R13: 0000000000000000 R14: 00007fffda7c8000 R15: 00007fffda7c8000
[ 17.467069] FS: 00007f433580d6e0(0000) GS:ffffffff805c9180(0000) knlGS:0000000000000000
[ 17.467242] CS: e033 DS: 0000 ES: 0000
[ 17.467394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 17.467553] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 17.467739] Process xm (pid: 5270, threadinfo ffff880268f6e000, task ffff880267713800)
[ 17.467916] Stack: ffff880268f6ff38 ffff880267676f00 ffff880268f6ff38 ffff880267676f00
[ 17.468764] 00000000ffffffff ffffffff802893a0 0000000000000000 00000007fffffff3
[ 17.469474] 0000000000000000 0000000000000007 ffff880267028500 00007fffda7c8000
[ 17.470033] Call Trace:
[ 17.470352] [<ffffffff802893a0>] mlock_fixup+0x100/0x180
[ 17.470528] [<ffffffff8028958d>] do_mlock+0xcd/0x110
[ 17.470699] [<ffffffff802896ba>] sys_mlock+0xea/0xf0
[ 17.470863] [<ffffffff8020c688>] system_call+0x68/0x6d
[ 17.471029] [<ffffffff8020c620>] system_call+0x0/0x6d
[ 17.471201]
[ 17.471349]
[ 17.471350] Code: 0f 0b eb fe 0f 1f 80 00 00 00 00 0f 0b eb fe 90 90 90 90 90
[ 17.474471] RIP [<ffffffff80288b55>] make_pages_present+0xa5/0xc0
[ 17.474764] RSP <ffff880268f6fe98>
[ 17.474927] ---[ end trace f04904656fc7840f ]---
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