Re: [Xen-devel] Re: NX related build failure in latest pv_ops dom0 hackery tree

[Thomas DuBuisson <thomas.dubuisson@xxxxxxxxx>]

> Christophe Saout wrote:
>>
>> In the meantime, you can try to use that tree:
>>
>> http://git.saout.de/gitweb/?p=linux-dom0-pvops.git;a=summary
>>
>> It's the latest tip.git merged with one of the push branches from
>> Jeremy's git repo and cherry-picked commits from the backend, blkback
>> and netback trees plus minor merge conflict and compile problem fixups.
>> It seems feature-complete to me, stable and is able to run DomU domains
>> without problems.
>>
>
> Does it work with AHCI drives for you?  It isn't for me (nor my remerge, so
> I'm not sure what has broken in the meantime...).

For what its worth, this kernel "works" for me but I had to fix some
build errors and is extremely unstable - my Thinkpad T61 reboots after
a couple minutes.

Also in my logs, in the middle of bootup I see this:

------------[ cut here ]------------
WARNING: at kernel/smp.c:369 smp_call_function_many+0xc9/0x270()
Hardware name: 6465CTO
Modules linked in: i2c_i801(+) ehci_hcd(+) snd_pcsp iTCO_wdt
iTCO_vendor_support usbcore
snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss
snd_mixer_oss e1000e r
Pid: 1337, comm: modprobe Not tainted 2.6.30-rc1-tip-g17a8dea #4
Call Trace:
 [<ffffffff8024f57a>] ? warn_slowpath+0xea/0x160
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff8025aaaa>] ? try_to_del_timer_sync+0x5a/0x70
 [<ffffffff8020e8b9>] ? xen_force_evtchn_callback+0x9/0x10
 [<ffffffff8020f202>] ? check_events+0x12/0x20
 [<ffffffff8023e1d0>] ? do_flush_tlb_all+0x0/0x70
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff80468bd9>] ? acpi_ec_transaction+0x49c/0x4c9
 [<ffffffff80267a20>] ? autoremove_wake_function+0x0/0x30
 [<ffffffff8020e8b9>] ? xen_force_evtchn_callback+0x9/0x10
 [<ffffffff8020bca9>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e
 [<ffffffff8023e1d0>] ? do_flush_tlb_all+0x0/0x70
 [<ffffffff8027b929>] ? smp_call_function_many+0xc9/0x270
 [<ffffffff8023e1d0>] ? do_flush_tlb_all+0x0/0x70
 [<ffffffff8023e1d0>] ? do_flush_tlb_all+0x0/0x70
 [<ffffffff8027bb00>] ? smp_call_function+0x30/0x70
 [<ffffffff8025523d>] ? on_each_cpu+0x2d/0x90
 [<ffffffff802dae95>] ? __purge_vmap_area_lazy+0x175/0x1f0
 [<ffffffff802dcab6>] ? vm_unmap_aliases+0x1c6/0x1e0
 [<ffffffff8020d4e8>] ? xen_create_contiguous_region+0x68/0x120
 [<ffffffff80448738>] ? xen_alloc_coherent+0x88/0x130
 [<ffffffff802e1dcf>] ? dma_pool_alloc+0x29f/0x340
 [<ffffffffa00a900a>] ? hub_probe+0xfa/0x960 [usbcore]
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff802e6dcd>] ? kmem_cache_alloc+0x8d/0x160
 [<ffffffffa00a9199>] ? hub_probe+0x289/0x960 [usbcore]
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff806d22e4>] ? __mutex_unlock_slowpath+0xc4/0x180
 [<ffffffffa00b1a59>] ? usb_probe_interface+0xc9/0x1a0 [usbcore]
 [<ffffffff80506588>] ? driver_probe_device+0x98/0x1b0
 [<ffffffff80506740>] ? __device_attach+0x0/0x60
 [<ffffffff805059eb>] ? bus_for_each_drv+0x5b/0x80
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff80506865>] ? device_attach+0x85/0x90
 [<ffffffff805057d5>] ? bus_attach_device+0x55/0xa0
 [<ffffffff80503fb5>] ? device_add+0x435/0x640
 [<ffffffffa00b0015>] ? usb_set_configuration+0x595/0x7a0 [usbcore]
 [<ffffffffa00b0058>] ? usb_set_configuration+0x5d8/0x7a0 [usbcore]
 [<ffffffff8034d9ad>] ? sysfs_add_one+0x2d/0x170
 [<ffffffffa00b9b3a>] ? generic_probe+0x3a/0xc0 [usbcore]
 [<ffffffff80506588>] ? driver_probe_device+0x98/0x1b0
 [<ffffffff80506740>] ? __device_attach+0x0/0x60
 [<ffffffff805059eb>] ? bus_for_each_drv+0x5b/0x80
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff80506865>] ? device_attach+0x85/0x90
 [<ffffffff805057d5>] ? bus_attach_device+0x55/0xa0
 [<ffffffff80503fb5>] ? device_add+0x435/0x640
 [<ffffffffa00a8b32>] ? usb_new_device+0x72/0xf0 [usbcore]
 [<ffffffffa00ac3c8>] ? usb_add_hcd+0x418/0x630 [usbcore]
 [<ffffffffa00ba135>] ? usb_hcd_pci_probe+0x175/0x2f0 [usbcore]
 [<ffffffff8043f7f2>] ? local_pci_probe+0x12/0x20
 [<ffffffff80440969>] ? pci_device_probe+0x89/0xb0
 [<ffffffff80506588>] ? driver_probe_device+0x98/0x1b0
 [<ffffffff8050673b>] ? __driver_attach+0x9b/0xa0
 [<ffffffff805066a0>] ? __driver_attach+0x0/0xa0
 [<ffffffff80505d3b>] ? bus_for_each_dev+0x5b/0x80
 [<ffffffff8050559d>] ? bus_add_driver+0x1cd/0x2e0
 [<ffffffffa00ed000>] ? ehci_hcd_init+0x0/0x81 [ehci_hcd]
 [<ffffffff805069f9>] ? driver_register+0x79/0x170
 [<ffffffffa00ed000>] ? ehci_hcd_init+0x0/0x81 [ehci_hcd]
 [<ffffffff80440e48>] ? __pci_register_driver+0x58/0xe0
 [<ffffffffa00ed000>] ? ehci_hcd_init+0x0/0x81 [ehci_hcd]
 [<ffffffffa00ed071>] ? ehci_hcd_init+0x71/0x81 [ehci_hcd]
 [<ffffffff8020a04b>] ? do_one_initcall+0x3b/0x180
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff806d4326>] ? _spin_unlock_irqrestore+0x26/0x80
 [<ffffffff8026c6b5>] ? __blocking_notifier_call_chain+0x65/0x90
 [<ffffffff80280255>] ? sys_init_module+0xb5/0x200
 [<ffffffff80213082>] ? system_call_fastpath+0x16/0x1b
---[ end trace 5cfe942adf5cb18f ]---
------------[ cut here ]------------
WARNING: at kernel/smp.c:289 smp_call_function_single+0x117/0x1b0()
Hardware name: 6465CTO
Modules linked in: i2c_i801(+) ehci_hcd(+) snd_pcsp iTCO_wdt
iTCO_vendor_support usbcore
snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss
snd_mixer_oss e1000e r
Pid: 1337, comm: modprobe Tainted: G        W  2.6.30-rc1-tip-g17a8dea #4
Call Trace:
 [<ffffffff8024f57a>] ? warn_slowpath+0xea/0x160
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff8025aaaa>] ? try_to_del_timer_sync+0x5a/0x70
 [<ffffffff8020e8b9>] ? xen_force_evtchn_callback+0x9/0x10
 [<ffffffff8020f202>] ? check_events+0x12/0x20
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff80468bd9>] ? acpi_ec_transaction+0x49c/0x4c9
 [<ffffffff80267a20>] ? autoremove_wake_function+0x0/0x30
 [<ffffffff8020e8b9>] ? xen_force_evtchn_callback+0x9/0x10
 [<ffffffff8020bca9>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e
 [<ffffffff8023e1d0>] ? do_flush_tlb_all+0x0/0x70
 [<ffffffff8027b7c7>] ? smp_call_function_single+0x117/0x1b0
 [<ffffffff8023e1d0>] ? do_flush_tlb_all+0x0/0x70
 [<ffffffff8027bb00>] ? smp_call_function+0x30/0x70
 [<ffffffff8025523d>] ? on_each_cpu+0x2d/0x90
 [<ffffffff802dae95>] ? __purge_vmap_area_lazy+0x175/0x1f0
 [<ffffffff802dcab6>] ? vm_unmap_aliases+0x1c6/0x1e0
 [<ffffffff8020d4e8>] ? xen_create_contiguous_region+0x68/0x120
 [<ffffffff80448738>] ? xen_alloc_coherent+0x88/0x130
 [<ffffffff802e1dcf>] ? dma_pool_alloc+0x29f/0x340
 [<ffffffffa00a900a>] ? hub_probe+0xfa/0x960 [usbcore]
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff802e6dcd>] ? kmem_cache_alloc+0x8d/0x160
 [<ffffffffa00a9199>] ? hub_probe+0x289/0x960 [usbcore]
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff806d22e4>] ? __mutex_unlock_slowpath+0xc4/0x180
 [<ffffffffa00b1a59>] ? usb_probe_interface+0xc9/0x1a0 [usbcore]
 [<ffffffff80506588>] ? driver_probe_device+0x98/0x1b0
 [<ffffffff80506740>] ? __device_attach+0x0/0x60
 [<ffffffff805059eb>] ? bus_for_each_drv+0x5b/0x80
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff80506865>] ? device_attach+0x85/0x90
 [<ffffffff805057d5>] ? bus_attach_device+0x55/0xa0
 [<ffffffff80503fb5>] ? device_add+0x435/0x640
 [<ffffffffa00b0015>] ? usb_set_configuration+0x595/0x7a0 [usbcore]
 [<ffffffffa00b0058>] ? usb_set_configuration+0x5d8/0x7a0 [usbcore]
 [<ffffffff8034d9ad>] ? sysfs_add_one+0x2d/0x170
 [<ffffffffa00b9b3a>] ? generic_probe+0x3a/0xc0 [usbcore]
 [<ffffffff80506588>] ? driver_probe_device+0x98/0x1b0
 [<ffffffff80506740>] ? __device_attach+0x0/0x60
 [<ffffffff805059eb>] ? bus_for_each_drv+0x5b/0x80
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff80506865>] ? device_attach+0x85/0x90
 [<ffffffff805057d5>] ? bus_attach_device+0x55/0xa0
 [<ffffffff80503fb5>] ? device_add+0x435/0x640
 [<ffffffffa00a8b32>] ? usb_new_device+0x72/0xf0 [usbcore]
 [<ffffffffa00ac3c8>] ? usb_add_hcd+0x418/0x630 [usbcore]
 [<ffffffffa00ba135>] ? usb_hcd_pci_probe+0x175/0x2f0 [usbcore]
 [<ffffffff8043f7f2>] ? local_pci_probe+0x12/0x20
 [<ffffffff80440969>] ? pci_device_probe+0x89/0xb0
 [<ffffffff80506588>] ? driver_probe_device+0x98/0x1b0
 [<ffffffff8050673b>] ? __driver_attach+0x9b/0xa0
 [<ffffffff805066a0>] ? __driver_attach+0x0/0xa0
 [<ffffffff80505d3b>] ? bus_for_each_dev+0x5b/0x80
 [<ffffffff8050559d>] ? bus_add_driver+0x1cd/0x2e0
 [<ffffffffa00ed000>] ? ehci_hcd_init+0x0/0x81 [ehci_hcd]
 [<ffffffff805069f9>] ? driver_register+0x79/0x170
 [<ffffffffa00ed000>] ? ehci_hcd_init+0x0/0x81 [ehci_hcd]
 [<ffffffff80440e48>] ? __pci_register_driver+0x58/0xe0
 [<ffffffffa00ed000>] ? ehci_hcd_init+0x0/0x81 [ehci_hcd]
 [<ffffffffa00ed071>] ? ehci_hcd_init+0x71/0x81 [ehci_hcd]
 [<ffffffff8020a04b>] ? do_one_initcall+0x3b/0x180
 [<ffffffff8020f1ef>] ? xen_restore_fl_direct_end+0x0/0x1
 [<ffffffff806d4326>] ? _spin_unlock_irqrestore+0x26/0x80
 [<ffffffff8026c6b5>] ? __blocking_notifier_call_chain+0x65/0x90
 [<ffffffff80280255>] ? sys_init_module+0xb5/0x200
 [<ffffffff80213082>] ? system_call_fastpath+0x16/0x1b
---[ end trace 5cfe942adf5cb190 ]---

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