Trying to boot a 4.4 kernel as Xen dom0 crashes the system:
[ 9.949589] ACPI: Added _OSI(Module Device)
[ 9.957803] ACPI: Added _OSI(Processor Device)
[ 9.966814] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 9.976346] ACPI: Added _OSI(Processor Aggregator Device)
[ 9.988715] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 10.004212] IP: [<ffffffff8135cf32>] xen_irq_init+0x22/0xe0
[ 10.015468] PGD 0
[ 10.019622] Oops: 0002 [#1] SMP
[ 10.026217] Modules linked in:
[ 10.032446] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0-rc1-pv+ #490
[ 10.045974] Hardware name: Dell Inc. Latitude E6440/0159N7, BIOS A07
06/26/2014
[ 10.060718] task: ffff8801fa570d40 ti: ffff8801fa574000 task.ti:
ffff8801fa574000
[ 10.075798] RIP: e030:[<ffffffff8135cf32>] [<ffffffff8135cf32>]
xen_irq_init+0x22/0xe0
[ 10.091910] RSP: e02b:ffff8801fa577d38 EFLAGS: 00010246
[ 10.102646] RAX: 0000000000000000 RBX: 0000000000000009 RCX:
0000000000000000
[ 10.117089] RDX: 0000000000000001 RSI: 00000000024080c0 RDI:
ffff8801fb000df0
[ 10.131437] RBP: 0000000000000009 R08: 0000000000000001 R09:
ffff8801fb000d88
[ 10.145824] R10: ffff8801fb000df8 R11: 0000000000000000 R12:
0000000000000009
[ 10.160205] R13: ffffffff817736e5 R14: 0000000000000009 R15:
0000000000000000
[ 10.174592] FS: 0000000000000000(0000) GS:ffff8801ff800000(0000)
knlGS:0000000000000000
[ 10.190895] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.202492] CR2: 0000000000000000 CR3: 000000000180c000 CR4:
0000000000042660
[ 10.216878] Stack:
[ 10.221029] 0000000000000009 0000000000000001 ffffffff8135dd9f
0000000000000000
[ 10.235931] ffff8801fa577dd0 0000000000000009 0000000000000000
0000000000000001
[ 10.250836] ffffffff81932e2e 0000000000000000 0000000000000000
ffffffff81415c53
[ 10.265740] Call Trace:
[ 10.270774] [<ffffffff8135dd9f>] ? xen_bind_pirq_gsi_to_irq+0x7f/0x240
[ 10.284122] [<ffffffff81932e2e>] ? acpi_sleep_proc_init+0x22/0x22
[ 10.296601] [<ffffffff81415c53>] ?
xen_register_pirq.constprop.9+0x83/0xd0
[ 10.310640] [<ffffffff81415ce8>] ? acpi_register_gsi_xen+0x48/0xc0
[ 10.323292] [<ffffffff8104d8a6>] ? acpi_get_override_irq+0xa6/0x120
[ 10.336117] [<ffffffff8133515c>] ? acpi_ev_sci_dispatch+0x53/0x53
[ 10.348595] [<ffffffff81932e2e>] ? acpi_sleep_proc_init+0x22/0x22
[ 10.361071] [<ffffffff810465f9>] ? acpi_gsi_to_irq+0x59/0x70
[ 10.372683] [<ffffffff8131f781>] ?
acpi_os_install_interrupt_handler+0x44/0xbf
[ 10.387427] [<ffffffff81332da0>] ?
acpi_ev_install_xrupt_handlers+0x12/0x5f
[ 10.401627] [<ffffffff81932e9f>] ? acpi_init+0x71/0x289
[ 10.412368] [<ffffffff81932e2e>] ? acpi_sleep_proc_init+0x22/0x22
[ 10.424849] [<ffffffff81002101>] ? do_one_initcall+0xa1/0x1d0
[ 10.436633] [<ffffffff81087700>] ? parse_args+0x270/0x460
[ 10.447724] [<ffffffff818f81cb>] ? kernel_init_freeable+0x169/0x1f3
[ 10.460551] [<ffffffff818f7958>] ? initcall_blacklist+0xb2/0xb2
[ 10.472681] [<ffffffff81514750>] ? rest_init+0x80/0x80
[ 10.483251] [<ffffffff81514755>] ? kernel_init+0x5/0xe0
[ 10.493996] [<ffffffff8152000f>] ? ret_from_fork+0x3f/0x70
[ 10.505263] [<ffffffff81514750>] ? rest_init+0x80/0x80
[ 10.515832] Code: fe ff ff 66 0f 1f 44 00 00 55 89 fd 53 e8 c7 f5 d5
ff 48 85 c0 74 08 48 8b 40 10 48 83 c0 18 48 8b 15 33 d9 2a 00 be c0 80
40 02 <48> 89 10 48 8b 15 2c d9 2a 00 48 89 50 08 48 8b 15 29 d9 2a 00
[ 10.553606] RIP [<ffffffff8135cf32>] xen_irq_init+0x22/0xe0
[ 10.565051] RSP <ffff8801fa577d38>
[ 10.572157] CR2: 0000000000000000
irq_get_affinity_mask(irq) in xen_irq_init() is returning NULL:
static void xen_irq_init(unsigned irq)
{
struct irq_info *info;
#ifdef CONFIG_SMP
/* By default all event channels notify CPU#0. */
cpumask_copy(irq_get_affinity_mask(irq), cpumask_of(0));
#endif
Is this already known?
Juergen
On 11/17/2015 08:38 AM, Juergen Gross wrote:
> Trying to boot a 4.4 kernel as Xen dom0 crashes the system:
>
> [ 9.949589] ACPI: Added _OSI(Module Device)
> [ 9.957803] ACPI: Added _OSI(Processor Device)
> [ 9.966814] ACPI: Added _OSI(3.0 _SCP Extensions)
> [ 9.976346] ACPI: Added _OSI(Processor Aggregator Device)
> [ 9.988715] BUG: unable to handle kernel NULL pointer dereference at
> (null)
> [ 10.004212] IP: [<ffffffff8135cf32>] xen_irq_init+0x22/0xe0
> [ 10.015468] PGD 0
> [ 10.019622] Oops: 0002 [#1] SMP
> [ 10.026217] Modules linked in:
> [ 10.032446] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0-rc1-pv+ #490
> [ 10.045974] Hardware name: Dell Inc. Latitude E6440/0159N7, BIOS A07
> 06/26/2014
> [ 10.060718] task: ffff8801fa570d40 ti: ffff8801fa574000 task.ti:
> ffff8801fa574000
> [ 10.075798] RIP: e030:[<ffffffff8135cf32>] [<ffffffff8135cf32>]
> xen_irq_init+0x22/0xe0
> [ 10.091910] RSP: e02b:ffff8801fa577d38 EFLAGS: 00010246
> [ 10.102646] RAX: 0000000000000000 RBX: 0000000000000009 RCX:
> 0000000000000000
> [ 10.117089] RDX: 0000000000000001 RSI: 00000000024080c0 RDI:
> ffff8801fb000df0
> [ 10.131437] RBP: 0000000000000009 R08: 0000000000000001 R09:
> ffff8801fb000d88
> [ 10.145824] R10: ffff8801fb000df8 R11: 0000000000000000 R12:
> 0000000000000009
> [ 10.160205] R13: ffffffff817736e5 R14: 0000000000000009 R15:
> 0000000000000000
> [ 10.174592] FS: 0000000000000000(0000) GS:ffff8801ff800000(0000)
> knlGS:0000000000000000
> [ 10.190895] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 10.202492] CR2: 0000000000000000 CR3: 000000000180c000 CR4:
> 0000000000042660
> [ 10.216878] Stack:
> [ 10.221029] 0000000000000009 0000000000000001 ffffffff8135dd9f
> 0000000000000000
> [ 10.235931] ffff8801fa577dd0 0000000000000009 0000000000000000
> 0000000000000001
> [ 10.250836] ffffffff81932e2e 0000000000000000 0000000000000000
> ffffffff81415c53
> [ 10.265740] Call Trace:
> [ 10.270774] [<ffffffff8135dd9f>] ? xen_bind_pirq_gsi_to_irq+0x7f/0x240
> [ 10.284122] [<ffffffff81932e2e>] ? acpi_sleep_proc_init+0x22/0x22
> [ 10.296601] [<ffffffff81415c53>] ?
> xen_register_pirq.constprop.9+0x83/0xd0
> [ 10.310640] [<ffffffff81415ce8>] ? acpi_register_gsi_xen+0x48/0xc0
> [ 10.323292] [<ffffffff8104d8a6>] ? acpi_get_override_irq+0xa6/0x120
> [ 10.336117] [<ffffffff8133515c>] ? acpi_ev_sci_dispatch+0x53/0x53
> [ 10.348595] [<ffffffff81932e2e>] ? acpi_sleep_proc_init+0x22/0x22
> [ 10.361071] [<ffffffff810465f9>] ? acpi_gsi_to_irq+0x59/0x70
> [ 10.372683] [<ffffffff8131f781>] ?
> acpi_os_install_interrupt_handler+0x44/0xbf
> [ 10.387427] [<ffffffff81332da0>] ?
> acpi_ev_install_xrupt_handlers+0x12/0x5f
> [ 10.401627] [<ffffffff81932e9f>] ? acpi_init+0x71/0x289
> [ 10.412368] [<ffffffff81932e2e>] ? acpi_sleep_proc_init+0x22/0x22
> [ 10.424849] [<ffffffff81002101>] ? do_one_initcall+0xa1/0x1d0
> [ 10.436633] [<ffffffff81087700>] ? parse_args+0x270/0x460
> [ 10.447724] [<ffffffff818f81cb>] ? kernel_init_freeable+0x169/0x1f3
> [ 10.460551] [<ffffffff818f7958>] ? initcall_blacklist+0xb2/0xb2
> [ 10.472681] [<ffffffff81514750>] ? rest_init+0x80/0x80
> [ 10.483251] [<ffffffff81514755>] ? kernel_init+0x5/0xe0
> [ 10.493996] [<ffffffff8152000f>] ? ret_from_fork+0x3f/0x70
> [ 10.505263] [<ffffffff81514750>] ? rest_init+0x80/0x80
> [ 10.515832] Code: fe ff ff 66 0f 1f 44 00 00 55 89 fd 53 e8 c7 f5 d5
> ff 48 85 c0 74 08 48 8b 40 10 48 83 c0 18 48 8b 15 33 d9 2a 00 be c0 80
> 40 02 <48> 89 10 48 8b 15 2c d9 2a 00 48 89 50 08 48 8b 15 29 d9 2a 00
> [ 10.553606] RIP [<ffffffff8135cf32>] xen_irq_init+0x22/0xe0
> [ 10.565051] RSP <ffff8801fa577d38>
> [ 10.572157] CR2: 0000000000000000
>
> irq_get_affinity_mask(irq) in xen_irq_init() is returning NULL:
>
> static void xen_irq_init(unsigned irq)
> {
> struct irq_info *info;
> #ifdef CONFIG_SMP
> /* By default all event channels notify CPU#0. */
> cpumask_copy(irq_get_affinity_mask(irq), cpumask_of(0));
> #endif
>
> Is this already known?
Yes:
http://lists.xenproject.org/archives/html/xen-devel/2015-11/msg01800.html
I will send patch later today.
-boris
On 17/11/15 14:40, Boris Ostrovsky wrote:
> On 11/17/2015 08:38 AM, Juergen Gross wrote:
>> Trying to boot a 4.4 kernel as Xen dom0 crashes the system:
>>
>> [ 9.949589] ACPI: Added _OSI(Module Device)
>> [ 9.957803] ACPI: Added _OSI(Processor Device)
>> [ 9.966814] ACPI: Added _OSI(3.0 _SCP Extensions)
>> [ 9.976346] ACPI: Added _OSI(Processor Aggregator Device)
>> [ 9.988715] BUG: unable to handle kernel NULL pointer dereference at
>> (null)
>> [ 10.004212] IP: [<ffffffff8135cf32>] xen_irq_init+0x22/0xe0
>> [ 10.015468] PGD 0
>> [ 10.019622] Oops: 0002 [#1] SMP
>> [ 10.026217] Modules linked in:
>> [ 10.032446] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0-rc1-pv+
>> #490
>> [ 10.045974] Hardware name: Dell Inc. Latitude E6440/0159N7, BIOS A07
>> 06/26/2014
>> [ 10.060718] task: ffff8801fa570d40 ti: ffff8801fa574000 task.ti:
>> ffff8801fa574000
>> [ 10.075798] RIP: e030:[<ffffffff8135cf32>] [<ffffffff8135cf32>]
>> xen_irq_init+0x22/0xe0
>> [ 10.091910] RSP: e02b:ffff8801fa577d38 EFLAGS: 00010246
>> [ 10.102646] RAX: 0000000000000000 RBX: 0000000000000009 RCX:
>> 0000000000000000
>> [ 10.117089] RDX: 0000000000000001 RSI: 00000000024080c0 RDI:
>> ffff8801fb000df0
>> [ 10.131437] RBP: 0000000000000009 R08: 0000000000000001 R09:
>> ffff8801fb000d88
>> [ 10.145824] R10: ffff8801fb000df8 R11: 0000000000000000 R12:
>> 0000000000000009
>> [ 10.160205] R13: ffffffff817736e5 R14: 0000000000000009 R15:
>> 0000000000000000
>> [ 10.174592] FS: 0000000000000000(0000) GS:ffff8801ff800000(0000)
>> knlGS:0000000000000000
>> [ 10.190895] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
>> [ 10.202492] CR2: 0000000000000000 CR3: 000000000180c000 CR4:
>> 0000000000042660
>> [ 10.216878] Stack:
>> [ 10.221029] 0000000000000009 0000000000000001 ffffffff8135dd9f
>> 0000000000000000
>> [ 10.235931] ffff8801fa577dd0 0000000000000009 0000000000000000
>> 0000000000000001
>> [ 10.250836] ffffffff81932e2e 0000000000000000 0000000000000000
>> ffffffff81415c53
>> [ 10.265740] Call Trace:
>> [ 10.270774] [<ffffffff8135dd9f>] ?
>> xen_bind_pirq_gsi_to_irq+0x7f/0x240
>> [ 10.284122] [<ffffffff81932e2e>] ? acpi_sleep_proc_init+0x22/0x22
>> [ 10.296601] [<ffffffff81415c53>] ?
>> xen_register_pirq.constprop.9+0x83/0xd0
>> [ 10.310640] [<ffffffff81415ce8>] ? acpi_register_gsi_xen+0x48/0xc0
>> [ 10.323292] [<ffffffff8104d8a6>] ? acpi_get_override_irq+0xa6/0x120
>> [ 10.336117] [<ffffffff8133515c>] ? acpi_ev_sci_dispatch+0x53/0x53
>> [ 10.348595] [<ffffffff81932e2e>] ? acpi_sleep_proc_init+0x22/0x22
>> [ 10.361071] [<ffffffff810465f9>] ? acpi_gsi_to_irq+0x59/0x70
>> [ 10.372683] [<ffffffff8131f781>] ?
>> acpi_os_install_interrupt_handler+0x44/0xbf
>> [ 10.387427] [<ffffffff81332da0>] ?
>> acpi_ev_install_xrupt_handlers+0x12/0x5f
>> [ 10.401627] [<ffffffff81932e9f>] ? acpi_init+0x71/0x289
>> [ 10.412368] [<ffffffff81932e2e>] ? acpi_sleep_proc_init+0x22/0x22
>> [ 10.424849] [<ffffffff81002101>] ? do_one_initcall+0xa1/0x1d0
>> [ 10.436633] [<ffffffff81087700>] ? parse_args+0x270/0x460
>> [ 10.447724] [<ffffffff818f81cb>] ? kernel_init_freeable+0x169/0x1f3
>> [ 10.460551] [<ffffffff818f7958>] ? initcall_blacklist+0xb2/0xb2
>> [ 10.472681] [<ffffffff81514750>] ? rest_init+0x80/0x80
>> [ 10.483251] [<ffffffff81514755>] ? kernel_init+0x5/0xe0
>> [ 10.493996] [<ffffffff8152000f>] ? ret_from_fork+0x3f/0x70
>> [ 10.505263] [<ffffffff81514750>] ? rest_init+0x80/0x80
>> [ 10.515832] Code: fe ff ff 66 0f 1f 44 00 00 55 89 fd 53 e8 c7 f5 d5
>> ff 48 85 c0 74 08 48 8b 40 10 48 83 c0 18 48 8b 15 33 d9 2a 00 be c0 80
>> 40 02 <48> 89 10 48 8b 15 2c d9 2a 00 48 89 50 08 48 8b 15 29 d9 2a 00
>> [ 10.553606] RIP [<ffffffff8135cf32>] xen_irq_init+0x22/0xe0
>> [ 10.565051] RSP <ffff8801fa577d38>
>> [ 10.572157] CR2: 0000000000000000
>>
>> irq_get_affinity_mask(irq) in xen_irq_init() is returning NULL:
>>
>> static void xen_irq_init(unsigned irq)
>> {
>> struct irq_info *info;
>> #ifdef CONFIG_SMP
>> /* By default all event channels notify CPU#0. */
>> cpumask_copy(irq_get_affinity_mask(irq), cpumask_of(0));
>> #endif
>>
>> Is this already known?
>
>
> Yes:
> http://lists.xenproject.org/archives/html/xen-devel/2015-11/msg01800.html
>
> I will send patch later today.
I'll be happy to test it. :-)
Thanks,
Juergen