Re: kernel 4.4-rc1 BUG when booting as Xen dom0

2015-11-17 Thread Juergen Gross
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: [] 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: 8801fa570d40 ti: 8801fa574000 task.ti:
>> 8801fa574000
>> [   10.075798] RIP: e030:[]  []
>> xen_irq_init+0x22/0xe0
>> [   10.091910] RSP: e02b:8801fa577d38  EFLAGS: 00010246
>> [   10.102646] RAX:  RBX: 0009 RCX:
>> 
>> [   10.117089] RDX: 0001 RSI: 024080c0 RDI:
>> 8801fb000df0
>> [   10.131437] RBP: 0009 R08: 0001 R09:
>> 8801fb000d88
>> [   10.145824] R10: 8801fb000df8 R11:  R12:
>> 0009
>> [   10.160205] R13: 817736e5 R14: 0009 R15:
>> 
>> [   10.174592] FS:  () GS:8801ff80()
>> knlGS:
>> [   10.190895] CS:  e033 DS:  ES:  CR0: 80050033
>> [   10.202492] CR2:  CR3: 0180c000 CR4:
>> 00042660
>> [   10.216878] Stack:
>> [   10.221029]  0009 0001 8135dd9f
>> 
>> [   10.235931]  8801fa577dd0 0009 
>> 0001
>> [   10.250836]  81932e2e  
>> 81415c53
>> [   10.265740] Call Trace:
>> [   10.270774]  [] ?
>> xen_bind_pirq_gsi_to_irq+0x7f/0x240
>> [   10.284122]  [] ? acpi_sleep_proc_init+0x22/0x22
>> [   10.296601]  [] ?
>> xen_register_pirq.constprop.9+0x83/0xd0
>> [   10.310640]  [] ? acpi_register_gsi_xen+0x48/0xc0
>> [   10.323292]  [] ? acpi_get_override_irq+0xa6/0x120
>> [   10.336117]  [] ? acpi_ev_sci_dispatch+0x53/0x53
>> [   10.348595]  [] ? acpi_sleep_proc_init+0x22/0x22
>> [   10.361071]  [] ? acpi_gsi_to_irq+0x59/0x70
>> [   10.372683]  [] ?
>> acpi_os_install_interrupt_handler+0x44/0xbf
>> [   10.387427]  [] ?
>> acpi_ev_install_xrupt_handlers+0x12/0x5f
>> [   10.401627]  [] ? acpi_init+0x71/0x289
>> [   10.412368]  [] ? acpi_sleep_proc_init+0x22/0x22
>> [   10.424849]  [] ? do_one_initcall+0xa1/0x1d0
>> [   10.436633]  [] ? parse_args+0x270/0x460
>> [   10.447724]  [] ? kernel_init_freeable+0x169/0x1f3
>> [   10.460551]  [] ? initcall_blacklist+0xb2/0xb2
>> [   10.472681]  [] ? rest_init+0x80/0x80
>> [   10.483251]  [] ? kernel_init+0x5/0xe0
>> [   10.493996]  [] ? ret_from_fork+0x3f/0x70
>> [   10.505263]  [] ? 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  [] xen_irq_init+0x22/0xe0
>> [   10.565051]  RSP 
>> [   10.572157] CR2: 
>>
>> 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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: kernel 4.4-rc1 BUG when booting as Xen dom0

2015-11-17 Thread Boris Ostrovsky

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: [] 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: 8801fa570d40 ti: 8801fa574000 task.ti:
8801fa574000
[   10.075798] RIP: e030:[]  []
xen_irq_init+0x22/0xe0
[   10.091910] RSP: e02b:8801fa577d38  EFLAGS: 00010246
[   10.102646] RAX:  RBX: 0009 RCX:

[   10.117089] RDX: 0001 RSI: 024080c0 RDI:
8801fb000df0
[   10.131437] RBP: 0009 R08: 0001 R09:
8801fb000d88
[   10.145824] R10: 8801fb000df8 R11:  R12:
0009
[   10.160205] R13: 817736e5 R14: 0009 R15:

[   10.174592] FS:  () GS:8801ff80()
knlGS:
[   10.190895] CS:  e033 DS:  ES:  CR0: 80050033
[   10.202492] CR2:  CR3: 0180c000 CR4:
00042660
[   10.216878] Stack:
[   10.221029]  0009 0001 8135dd9f

[   10.235931]  8801fa577dd0 0009 
0001
[   10.250836]  81932e2e  
81415c53
[   10.265740] Call Trace:
[   10.270774]  [] ? xen_bind_pirq_gsi_to_irq+0x7f/0x240
[   10.284122]  [] ? acpi_sleep_proc_init+0x22/0x22
[   10.296601]  [] ?
xen_register_pirq.constprop.9+0x83/0xd0
[   10.310640]  [] ? acpi_register_gsi_xen+0x48/0xc0
[   10.323292]  [] ? acpi_get_override_irq+0xa6/0x120
[   10.336117]  [] ? acpi_ev_sci_dispatch+0x53/0x53
[   10.348595]  [] ? acpi_sleep_proc_init+0x22/0x22
[   10.361071]  [] ? acpi_gsi_to_irq+0x59/0x70
[   10.372683]  [] ?
acpi_os_install_interrupt_handler+0x44/0xbf
[   10.387427]  [] ?
acpi_ev_install_xrupt_handlers+0x12/0x5f
[   10.401627]  [] ? acpi_init+0x71/0x289
[   10.412368]  [] ? acpi_sleep_proc_init+0x22/0x22
[   10.424849]  [] ? do_one_initcall+0xa1/0x1d0
[   10.436633]  [] ? parse_args+0x270/0x460
[   10.447724]  [] ? kernel_init_freeable+0x169/0x1f3
[   10.460551]  [] ? initcall_blacklist+0xb2/0xb2
[   10.472681]  [] ? rest_init+0x80/0x80
[   10.483251]  [] ? kernel_init+0x5/0xe0
[   10.493996]  [] ? ret_from_fork+0x3f/0x70
[   10.505263]  [] ? 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  [] xen_irq_init+0x22/0xe0
[   10.565051]  RSP 
[   10.572157] CR2: 

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: kernel 4.4-rc1 BUG when booting as Xen dom0

2015-11-17 Thread Juergen Gross
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: [] 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: 8801fa570d40 ti: 8801fa574000 task.ti:
>> 8801fa574000
>> [   10.075798] RIP: e030:[]  []
>> xen_irq_init+0x22/0xe0
>> [   10.091910] RSP: e02b:8801fa577d38  EFLAGS: 00010246
>> [   10.102646] RAX:  RBX: 0009 RCX:
>> 
>> [   10.117089] RDX: 0001 RSI: 024080c0 RDI:
>> 8801fb000df0
>> [   10.131437] RBP: 0009 R08: 0001 R09:
>> 8801fb000d88
>> [   10.145824] R10: 8801fb000df8 R11:  R12:
>> 0009
>> [   10.160205] R13: 817736e5 R14: 0009 R15:
>> 
>> [   10.174592] FS:  () GS:8801ff80()
>> knlGS:
>> [   10.190895] CS:  e033 DS:  ES:  CR0: 80050033
>> [   10.202492] CR2:  CR3: 0180c000 CR4:
>> 00042660
>> [   10.216878] Stack:
>> [   10.221029]  0009 0001 8135dd9f
>> 
>> [   10.235931]  8801fa577dd0 0009 
>> 0001
>> [   10.250836]  81932e2e  
>> 81415c53
>> [   10.265740] Call Trace:
>> [   10.270774]  [] ?
>> xen_bind_pirq_gsi_to_irq+0x7f/0x240
>> [   10.284122]  [] ? acpi_sleep_proc_init+0x22/0x22
>> [   10.296601]  [] ?
>> xen_register_pirq.constprop.9+0x83/0xd0
>> [   10.310640]  [] ? acpi_register_gsi_xen+0x48/0xc0
>> [   10.323292]  [] ? acpi_get_override_irq+0xa6/0x120
>> [   10.336117]  [] ? acpi_ev_sci_dispatch+0x53/0x53
>> [   10.348595]  [] ? acpi_sleep_proc_init+0x22/0x22
>> [   10.361071]  [] ? acpi_gsi_to_irq+0x59/0x70
>> [   10.372683]  [] ?
>> acpi_os_install_interrupt_handler+0x44/0xbf
>> [   10.387427]  [] ?
>> acpi_ev_install_xrupt_handlers+0x12/0x5f
>> [   10.401627]  [] ? acpi_init+0x71/0x289
>> [   10.412368]  [] ? acpi_sleep_proc_init+0x22/0x22
>> [   10.424849]  [] ? do_one_initcall+0xa1/0x1d0
>> [   10.436633]  [] ? parse_args+0x270/0x460
>> [   10.447724]  [] ? kernel_init_freeable+0x169/0x1f3
>> [   10.460551]  [] ? initcall_blacklist+0xb2/0xb2
>> [   10.472681]  [] ? rest_init+0x80/0x80
>> [   10.483251]  [] ? kernel_init+0x5/0xe0
>> [   10.493996]  [] ? ret_from_fork+0x3f/0x70
>> [   10.505263]  [] ? 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  [] xen_irq_init+0x22/0xe0
>> [   10.565051]  RSP 
>> [   10.572157] CR2: 
>>
>> 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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: kernel 4.4-rc1 BUG when booting as Xen dom0

2015-11-17 Thread Boris Ostrovsky

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: [] 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: 8801fa570d40 ti: 8801fa574000 task.ti:
8801fa574000
[   10.075798] RIP: e030:[]  []
xen_irq_init+0x22/0xe0
[   10.091910] RSP: e02b:8801fa577d38  EFLAGS: 00010246
[   10.102646] RAX:  RBX: 0009 RCX:

[   10.117089] RDX: 0001 RSI: 024080c0 RDI:
8801fb000df0
[   10.131437] RBP: 0009 R08: 0001 R09:
8801fb000d88
[   10.145824] R10: 8801fb000df8 R11:  R12:
0009
[   10.160205] R13: 817736e5 R14: 0009 R15:

[   10.174592] FS:  () GS:8801ff80()
knlGS:
[   10.190895] CS:  e033 DS:  ES:  CR0: 80050033
[   10.202492] CR2:  CR3: 0180c000 CR4:
00042660
[   10.216878] Stack:
[   10.221029]  0009 0001 8135dd9f

[   10.235931]  8801fa577dd0 0009 
0001
[   10.250836]  81932e2e  
81415c53
[   10.265740] Call Trace:
[   10.270774]  [] ? xen_bind_pirq_gsi_to_irq+0x7f/0x240
[   10.284122]  [] ? acpi_sleep_proc_init+0x22/0x22
[   10.296601]  [] ?
xen_register_pirq.constprop.9+0x83/0xd0
[   10.310640]  [] ? acpi_register_gsi_xen+0x48/0xc0
[   10.323292]  [] ? acpi_get_override_irq+0xa6/0x120
[   10.336117]  [] ? acpi_ev_sci_dispatch+0x53/0x53
[   10.348595]  [] ? acpi_sleep_proc_init+0x22/0x22
[   10.361071]  [] ? acpi_gsi_to_irq+0x59/0x70
[   10.372683]  [] ?
acpi_os_install_interrupt_handler+0x44/0xbf
[   10.387427]  [] ?
acpi_ev_install_xrupt_handlers+0x12/0x5f
[   10.401627]  [] ? acpi_init+0x71/0x289
[   10.412368]  [] ? acpi_sleep_proc_init+0x22/0x22
[   10.424849]  [] ? do_one_initcall+0xa1/0x1d0
[   10.436633]  [] ? parse_args+0x270/0x460
[   10.447724]  [] ? kernel_init_freeable+0x169/0x1f3
[   10.460551]  [] ? initcall_blacklist+0xb2/0xb2
[   10.472681]  [] ? rest_init+0x80/0x80
[   10.483251]  [] ? kernel_init+0x5/0xe0
[   10.493996]  [] ? ret_from_fork+0x3f/0x70
[   10.505263]  [] ? 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  [] xen_irq_init+0x22/0xe0
[   10.565051]  RSP 
[   10.572157] CR2: 

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/