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From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
To: Daniel Walker <dwalker@fifo99.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: crash in sys_get_curr_temp
Date: Wed, 10 Jul 2013 16:27:43 -0700	[thread overview]
Message-ID: <51DDEDEF.3000203@linux.intel.com> (raw)
In-Reply-To: <20130710220329.GA13732@fifo99.com>

[-- Attachment #1: Type: text/plain, Size: 17644 bytes --]

Hi Daniel.

Thanks for reporting.
Is it possible to test with the patch, which I just send to your email?
Also attached here.

Thanks,
Srinivas

On 07/10/2013 03:03 PM, Daniel Walker wrote:
> Hi,
>
>
> I get this crash on linux-next as of today ..
>
>
> [    4.678947] general protection fault: 0000 [#1] SMP
>    2 [    4.678953] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-next-20130710 #57
>    3 [    4.678959] Hardware name: Intel Corp. Mohan Peak/Server, BIOS EDVLCRB1.86B.0017.R00.1305271414 05/27/2013
>    4 [    4.678963] task: ffff88017aa80000 ti: ffff88017aa6c000 task.ti: ffff88017aa6c000
>    5 [    4.678985] RIP: 0010:[<ffffffff812c0e19>]  [<ffffffff812c0e19>] __rdmsr_on_cpu+0x29/0x40
>    6 [    4.678987] RSP: 0000:ffff88017aa6dc70  EFLAGS: 00010046
>    7 [    4.678989] RAX: 0000000000000000 RBX: 0000000000000246 RCX: 00000000000001b1
>    8 [    4.678990] RDX: 0000000000000000 RSI: ffff88017aa6dd00 RDI: ffff88017aa6dcf8
>    9 [    4.678992] RBP: ffff88017aa6dc70 R08: ffff88017aa3c9e8 R09: 0000000000000000
>   10 [    4.678993] R10: 0000000000002172 R11: ffffffff812a6ae7 R12: 0000000000000000
>   11 [    4.678995] R13: ffffffff81cb9ae0 R14: ffffffff812c0df0 R15: 0000000000000000
>   12 [    4.678997] FS:  0000000000000000(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000
>   13 [    4.678999] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>   14 [    4.679000] CR2: ffff88017ffff000 CR3: 0000000001c0b000 CR4: 00000000001007f0
>   15 [    4.679001] Stack:
>   16 [    4.679005]  ffff88017aa6dce8 ffffffff8109ac29 ffffffff81e9ec04 ffffffff81e9ebe0
>   17 [    4.679007]  0000000000000000 0000000000000000 0000000000000000 0000000000000000
>   18 [    4.679010]  0000000000000000 ffffffff8119ed6c ffff88017ab90001 ffff88017aa6dd3c
>   19 [    4.679013] Call Trace:
>   20 [    4.679025]  [<ffffffff8109ac29>] smp_call_function_single+0x149/0x190
>   21 [    4.679032]  [<ffffffff8119ed6c>] ? __sysfs_add_one+0x6c/0x110
>   22 [    4.679037]  [<ffffffff812c0fb9>] rdmsr_on_cpu+0x49/0x60
>   23 [    4.679046]  [<ffffffff814fa01b>] sys_get_curr_temp+0x2b/0x60
>   24 [    4.679052]  [<ffffffff814f7a8c>] thermal_zone_get_temp+0x3c/0x60
>   25 [    4.679057]  [<ffffffff814f7b47>] thermal_zone_device_update+0x17/0xa0
>   26 [    4.679061]  [<ffffffff814f91c1>] thermal_zone_device_register+0x781/0xaa0
>   27 [    4.679064]  [<ffffffff814fa7f5>] get_core_online+0x285/0x350
>   28 [    4.679075]  [<ffffffff81d19d73>] pkg_temp_thermal_init+0x6d/0x15c
>   29 [    4.679078]  [<ffffffff81d19d06>] ? thermal_init+0xa2/0xa2
>   30 [    4.679083]  [<ffffffff81cdae92>] do_one_initcall+0x7f/0x108
>   31 [    4.679089]  [<ffffffff81066338>] ? parse_args+0x1e8/0x320
>   32 [    4.679093]  [<ffffffff81cdb075>] kernel_init_freeable+0x15a/0x1db
>   33 [    4.679096]  [<ffffffff81cda836>] ? do_early_param+0x88/0x88
>   34 [    4.679102]  [<ffffffff81765d70>] ? rest_init+0x80/0x80
>   35 [    4.679104]  [<ffffffff81765d79>] kernel_init+0x9/0x180
>   36 [    4.679112]  [<ffffffff81777e2c>] ret_from_fork+0x7c/0xb0
>   37 [    4.679115]  [<ffffffff81765d70>] ? rest_init+0x80/0x80
>   38 [    4.679152] Code: 90 90 48 8b 47 10 55 48 8d 77 08 65 8b 14 25 1c b0 00 00 48 89 e5 48 85 c0 74 0e 48 63 d2 48 89 c6 48 03 34 d5 e0 93 cb 81 8b 0f <0f> 32 48 c1 e2 20 89 c0 48 09 c2 89 16 48 c1 ea 20 89 56     04 5d
>   39 [    4.679155] RIP  [<ffffffff812c0e19>] __rdmsr_on_cpu+0x29/0x40
>   40 [    4.679156]  RSP <ffff88017aa6dc70>
>   41 [    4.679171] ---[ end trace 540c9227357f4c3a ]---
>   42 [    4.679209] swapper/0 (1) used greatest stack depth: 4784 bytes left
>   43 [    4.679225] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b              Hi,
>
>
> I get this crash on next as of today ..
>
>
> [    4.678947] general protection fault: 0000 [#1] SMP
>    2 [    4.678953] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-next-20130710 #57
>    3 [    4.678959] Hardware name: Intel Corp. Mohan Peak/Server, BIOS EDVLCRB1.86B.0017.R00.1305271414 05/27/2013
>    4 [    4.678963] task: ffff88017aa80000 ti: ffff88017aa6c000 task.ti: ffff88017aa6c000
>    5 [    4.678985] RIP: 0010:[<ffffffff812c0e19>]  [<ffffffff812c0e19>] __rdmsr_on_cpu+0x29/0x40
>    6 [    4.678987] RSP: 0000:ffff88017aa6dc70  EFLAGS: 00010046
>    7 [    4.678989] RAX: 0000000000000000 RBX: 0000000000000246 RCX: 00000000000001b1
>    8 [    4.678990] RDX: 0000000000000000 RSI: ffff88017aa6dd00 RDI: ffff88017aa6dcf8
>    9 [    4.678992] RBP: ffff88017aa6dc70 R08: ffff88017aa3c9e8 R09: 0000000000000000
>   10 [    4.678993] R10: 0000000000002172 R11: ffffffff812a6ae7 R12: 0000000000000000
>   11 [    4.678995] R13: ffffffff81cb9ae0 R14: ffffffff812c0df0 R15: 0000000000000000
>   12 [    4.678997] FS:  0000000000000000(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000
>   13 [    4.678999] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>   14 [    4.679000] CR2: ffff88017ffff000 CR3: 0000000001c0b000 CR4: 00000000001007f0
>   15 [    4.679001] Stack:
>   16 [    4.679005]  ffff88017aa6dce8 ffffffff8109ac29 ffffffff81e9ec04 ffffffff81e9ebe0
>   17 [    4.679007]  0000000000000000 0000000000000000 0000000000000000 0000000000000000
>   18 [    4.679010]  0000000000000000 ffffffff8119ed6c ffff88017ab90001 ffff88017aa6dd3c
>   19 [    4.679013] Call Trace:
>   20 [    4.679025]  [<ffffffff8109ac29>] smp_call_function_single+0x149/0x190
>   21 [    4.679032]  [<ffffffff8119ed6c>] ? __sysfs_add_one+0x6c/0x110
>   22 [    4.679037]  [<ffffffff812c0fb9>] rdmsr_on_cpu+0x49/0x60
>   23 [    4.679046]  [<ffffffff814fa01b>] sys_get_curr_temp+0x2b/0x60
>   24 [    4.679052]  [<ffffffff814f7a8c>] thermal_zone_get_temp+0x3c/0x60
>   25 [    4.679057]  [<ffffffff814f7b47>] thermal_zone_device_update+0x17/0xa0
>   26 [    4.679061]  [<ffffffff814f91c1>] thermal_zone_device_register+0x781/0xaa0
>   27 [    4.679064]  [<ffffffff814fa7f5>] get_core_online+0x285/0x350
>   28 [    4.679075]  [<ffffffff81d19d73>] pkg_temp_thermal_init+0x6d/0x15c
>   29 [    4.679078]  [<ffffffff81d19d06>] ? thermal_init+0xa2/0xa2
>   30 [    4.679083]  [<ffffffff81cdae92>] do_one_initcall+0x7f/0x108
>   31 [    4.679089]  [<ffffffff81066338>] ? parse_args+0x1e8/0x320
>   32 [    4.679093]  [<ffffffff81cdb075>] kernel_init_freeable+0x15a/0x1db
>   33 [    4.679096]  [<ffffffff81cda836>] ? do_early_param+0x88/0x88
>   34 [    4.679102]  [<ffffffff81765d70>] ? rest_init+0x80/0x80
>   35 [    4.679104]  [<ffffffff81765d79>] kernel_init+0x9/0x180
>   36 [    4.679112]  [<ffffffff81777e2c>] ret_from_fork+0x7c/0xb0
>   37 [    4.679115]  [<ffffffff81765d70>] ? rest_init+0x80/0x80
>   38 [    4.679152] Code: 90 90 48 8b 47 10 55 48 8d 77 08 65 8b 14 25 1c b0 00 00 48 89 e5 48 85 c0 74 0e 48 63 d2 48 89 c6 48 03 34 d5 e0 93 cb 81 8b 0f <0f> 32 48 c1 e2 20 89 c0 48 09 c2 89 16 48 c1 ea 20 89 56     04 5d
>   39 [    4.679155] RIP  [<ffffffff812c0e19>] __rdmsr_on_cpu+0x29/0x40
>   40 [    4.679156]  RSP <ffff88017aa6dc70>
>   41 [    4.679171] ---[ end trace 540c9227357f4c3a ]---
>   42 [    4.679209] swapper/0 (1) used greatest stack depth: 4784 bytes left
>   43 [    4.679225] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b              Hi,
>
>
> I get this crash on next as of today ..
>
>
> [    4.678947] general protection fault: 0000 [#1] SMP
>    2 [    4.678953] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-next-20130710 #57
>    3 [    4.678959] Hardware name: Intel Corp. Mohan Peak/Server, BIOS EDVLCRB1.86B.0017.R00.1305271414 05/27/2013
>    4 [    4.678963] task: ffff88017aa80000 ti: ffff88017aa6c000 task.ti: ffff88017aa6c000
>    5 [    4.678985] RIP: 0010:[<ffffffff812c0e19>]  [<ffffffff812c0e19>] __rdmsr_on_cpu+0x29/0x40
>    6 [    4.678987] RSP: 0000:ffff88017aa6dc70  EFLAGS: 00010046
>    7 [    4.678989] RAX: 0000000000000000 RBX: 0000000000000246 RCX: 00000000000001b1
>    8 [    4.678990] RDX: 0000000000000000 RSI: ffff88017aa6dd00 RDI: ffff88017aa6dcf8
>    9 [    4.678992] RBP: ffff88017aa6dc70 R08: ffff88017aa3c9e8 R09: 0000000000000000
>   10 [    4.678993] R10: 0000000000002172 R11: ffffffff812a6ae7 R12: 0000000000000000
>   11 [    4.678995] R13: ffffffff81cb9ae0 R14: ffffffff812c0df0 R15: 0000000000000000
>   12 [    4.678997] FS:  0000000000000000(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000
>   13 [    4.678999] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>   14 [    4.679000] CR2: ffff88017ffff000 CR3: 0000000001c0b000 CR4: 00000000001007f0
>   15 [    4.679001] Stack:
>   16 [    4.679005]  ffff88017aa6dce8 ffffffff8109ac29 ffffffff81e9ec04 ffffffff81e9ebe0
>   17 [    4.679007]  0000000000000000 0000000000000000 0000000000000000 0000000000000000
>   18 [    4.679010]  0000000000000000 ffffffff8119ed6c ffff88017ab90001 ffff88017aa6dd3c
>   19 [    4.679013] Call Trace:
>   20 [    4.679025]  [<ffffffff8109ac29>] smp_call_function_single+0x149/0x190
>   21 [    4.679032]  [<ffffffff8119ed6c>] ? __sysfs_add_one+0x6c/0x110
>   22 [    4.679037]  [<ffffffff812c0fb9>] rdmsr_on_cpu+0x49/0x60
>   23 [    4.679046]  [<ffffffff814fa01b>] sys_get_curr_temp+0x2b/0x60
>   24 [    4.679052]  [<ffffffff814f7a8c>] thermal_zone_get_temp+0x3c/0x60
>   25 [    4.679057]  [<ffffffff814f7b47>] thermal_zone_device_update+0x17/0xa0
>   26 [    4.679061]  [<ffffffff814f91c1>] thermal_zone_device_register+0x781/0xaa0
>   27 [    4.679064]  [<ffffffff814fa7f5>] get_core_online+0x285/0x350
>   28 [    4.679075]  [<ffffffff81d19d73>] pkg_temp_thermal_init+0x6d/0x15c
>   29 [    4.679078]  [<ffffffff81d19d06>] ? thermal_init+0xa2/0xa2
>   30 [    4.679083]  [<ffffffff81cdae92>] do_one_initcall+0x7f/0x108
>   31 [    4.679089]  [<ffffffff81066338>] ? parse_args+0x1e8/0x320
>   32 [    4.679093]  [<ffffffff81cdb075>] kernel_init_freeable+0x15a/0x1db
>   33 [    4.679096]  [<ffffffff81cda836>] ? do_early_param+0x88/0x88
>   34 [    4.679102]  [<ffffffff81765d70>] ? rest_init+0x80/0x80
>   35 [    4.679104]  [<ffffffff81765d79>] kernel_init+0x9/0x180
>   36 [    4.679112]  [<ffffffff81777e2c>] ret_from_fork+0x7c/0xb0
>   37 [    4.679115]  [<ffffffff81765d70>] ? rest_init+0x80/0x80
>   38 [    4.679152] Code: 90 90 48 8b 47 10 55 48 8d 77 08 65 8b 14 25 1c b0 00 00 48 89 e5 48 85 c0 74 0e 48 63 d2 48 89 c6 48 03 34 d5 e0 93 cb 81 8b 0f <0f> 32 48 c1 e2 20 89 c0 48 09 c2 89 16 48 c1 ea 20 89 56     04 5d
>   39 [    4.679155] RIP  [<ffffffff812c0e19>] __rdmsr_on_cpu+0x29/0x40
>   40 [    4.679156]  RSP <ffff88017aa6dc70>
>   41 [    4.679171] ---[ end trace 540c9227357f4c3a ]---
>   42 [    4.679209] swapper/0 (1) used greatest stack depth: 4784 bytes left
>   43 [    4.679225] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b              Hi,
>
>
> I get this crash on next as of today ..
>
>
> [    4.678947] general protection fault: 0000 [#1] SMP
>    2 [    4.678953] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-next-20130710 #57
>    3 [    4.678959] Hardware name: Intel Corp. Mohan Peak/Server, BIOS EDVLCRB1.86B.0017.R00.1305271414 05/27/2013
>    4 [    4.678963] task: ffff88017aa80000 ti: ffff88017aa6c000 task.ti: ffff88017aa6c000
>    5 [    4.678985] RIP: 0010:[<ffffffff812c0e19>]  [<ffffffff812c0e19>] __rdmsr_on_cpu+0x29/0x40
>    6 [    4.678987] RSP: 0000:ffff88017aa6dc70  EFLAGS: 00010046
>    7 [    4.678989] RAX: 0000000000000000 RBX: 0000000000000246 RCX: 00000000000001b1
>    8 [    4.678990] RDX: 0000000000000000 RSI: ffff88017aa6dd00 RDI: ffff88017aa6dcf8
>    9 [    4.678992] RBP: ffff88017aa6dc70 R08: ffff88017aa3c9e8 R09: 0000000000000000
>   10 [    4.678993] R10: 0000000000002172 R11: ffffffff812a6ae7 R12: 0000000000000000
>   11 [    4.678995] R13: ffffffff81cb9ae0 R14: ffffffff812c0df0 R15: 0000000000000000
>   12 [    4.678997] FS:  0000000000000000(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000
>   13 [    4.678999] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>   14 [    4.679000] CR2: ffff88017ffff000 CR3: 0000000001c0b000 CR4: 00000000001007f0
>   15 [    4.679001] Stack:
>   16 [    4.679005]  ffff88017aa6dce8 ffffffff8109ac29 ffffffff81e9ec04 ffffffff81e9ebe0
>   17 [    4.679007]  0000000000000000 0000000000000000 0000000000000000 0000000000000000
>   18 [    4.679010]  0000000000000000 ffffffff8119ed6c ffff88017ab90001 ffff88017aa6dd3c
>   19 [    4.679013] Call Trace:
>   20 [    4.679025]  [<ffffffff8109ac29>] smp_call_function_single+0x149/0x190
>   21 [    4.679032]  [<ffffffff8119ed6c>] ? __sysfs_add_one+0x6c/0x110
>   22 [    4.679037]  [<ffffffff812c0fb9>] rdmsr_on_cpu+0x49/0x60
>   23 [    4.679046]  [<ffffffff814fa01b>] sys_get_curr_temp+0x2b/0x60
>   24 [    4.679052]  [<ffffffff814f7a8c>] thermal_zone_get_temp+0x3c/0x60
>   25 [    4.679057]  [<ffffffff814f7b47>] thermal_zone_device_update+0x17/0xa0
>   26 [    4.679061]  [<ffffffff814f91c1>] thermal_zone_device_register+0x781/0xaa0
>   27 [    4.679064]  [<ffffffff814fa7f5>] get_core_online+0x285/0x350
>   28 [    4.679075]  [<ffffffff81d19d73>] pkg_temp_thermal_init+0x6d/0x15c
>   29 [    4.679078]  [<ffffffff81d19d06>] ? thermal_init+0xa2/0xa2
>   30 [    4.679083]  [<ffffffff81cdae92>] do_one_initcall+0x7f/0x108
>   31 [    4.679089]  [<ffffffff81066338>] ? parse_args+0x1e8/0x320
>   32 [    4.679093]  [<ffffffff81cdb075>] kernel_init_freeable+0x15a/0x1db
>   33 [    4.679096]  [<ffffffff81cda836>] ? do_early_param+0x88/0x88
>   34 [    4.679102]  [<ffffffff81765d70>] ? rest_init+0x80/0x80
>   35 [    4.679104]  [<ffffffff81765d79>] kernel_init+0x9/0x180
>   36 [    4.679112]  [<ffffffff81777e2c>] ret_from_fork+0x7c/0xb0
>   37 [    4.679115]  [<ffffffff81765d70>] ? rest_init+0x80/0x80
>   38 [    4.679152] Code: 90 90 48 8b 47 10 55 48 8d 77 08 65 8b 14 25 1c b0 00 00 48 89 e5 48 85 c0 74 0e 48 63 d2 48 89 c6 48 03 34 d5 e0 93 cb 81 8b 0f <0f> 32 48 c1 e2 20 89 c0 48 09 c2 89 16 48 c1 ea 20 89 56     04 5d
>   39 [    4.679155] RIP  [<ffffffff812c0e19>] __rdmsr_on_cpu+0x29/0x40
>   40 [    4.679156]  RSP <ffff88017aa6dc70>
>   41 [    4.679171] ---[ end trace 540c9227357f4c3a ]---
>   42 [    4.679209] swapper/0 (1) used greatest stack depth: 4784 bytes left
>   43 [    4.679225] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b             ao
> n fault: 0000 [#1] SMP
>    2 [    4.678953] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-next-20130710 #57
>    3 [    4.678959] Hardware name: Intel Corp. Mohan Peak/Server, BIOS EDVLCRB1.86B.0017.R00.1305271414 05/27/2013
>    4 [    4.678963] task: ffff88017aa80000 ti: ffff88017aa6c000 task.ti: ffff88017aa6c000
>    5 [    4.678985] RIP: 0010:[<ffffffff812c0e19>]  [<ffffffff812c0e19>] __rdmsr_on_cpu+0x29/0x40
>    6 [    4.678987] RSP: 0000:ffff88017aa6dc70  EFLAGS: 00010046
>    7 [    4.678989] RAX: 0000000000000000 RBX: 0000000000000246 RCX: 00000000000001b1
>    8 [    4.678990] RDX: 0000000000000000 RSI: ffff88017aa6dd00 RDI: ffff88017aa6dcf8
>    9 [    4.678992] RBP: ffff88017aa6dc70 R08: ffff88017aa3c9e8 R09: 0000000000000000
>   10 [    4.678993] R10: 0000000000002172 R11: ffffffff812a6ae7 R12: 0000000000000000
>   11 [    4.678995] R13: ffffffff81cb9ae0 R14: ffffffff812c0df0 R15: 0000000000000000
>   12 [    4.678997] FS:  0000000000000000(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000
>   13 [    4.678999] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>   14 [    4.679000] CR2: ffff88017ffff000 CR3: 0000000001c0b000 CR4: 00000000001007f0
>   15 [    4.679001] Stack:
>   16 [    4.679005]  ffff88017aa6dce8 ffffffff8109ac29 ffffffff81e9ec04 ffffffff81e9ebe0
>   17 [    4.679007]  0000000000000000 0000000000000000 0000000000000000 0000000000000000
>   18 [    4.679010]  0000000000000000 ffffffff8119ed6c ffff88017ab90001 ffff88017aa6dd3c
>   19 [    4.679013] Call Trace:
>   20 [    4.679025]  [<ffffffff8109ac29>] smp_call_function_single+0x149/0x190
>   21 [    4.679032]  [<ffffffff8119ed6c>] ? __sysfs_add_one+0x6c/0x110
>   22 [    4.679037]  [<ffffffff812c0fb9>] rdmsr_on_cpu+0x49/0x60
>   23 [    4.679046]  [<ffffffff814fa01b>] sys_get_curr_temp+0x2b/0x60
>   24 [    4.679052]  [<ffffffff814f7a8c>] thermal_zone_get_temp+0x3c/0x60
>   25 [    4.679057]  [<ffffffff814f7b47>] thermal_zone_device_update+0x17/0xa0
>   26 [    4.679061]  [<ffffffff814f91c1>] thermal_zone_device_register+0x781/0xaa0
>   27 [    4.679064]  [<ffffffff814fa7f5>] get_core_online+0x285/0x350
>   28 [    4.679075]  [<ffffffff81d19d73>] pkg_temp_thermal_init+0x6d/0x15c
>   29 [    4.679078]  [<ffffffff81d19d06>] ? thermal_init+0xa2/0xa2
>   30 [    4.679083]  [<ffffffff81cdae92>] do_one_initcall+0x7f/0x108
>   31 [    4.679089]  [<ffffffff81066338>] ? parse_args+0x1e8/0x320
>   32 [    4.679093]  [<ffffffff81cdb075>] kernel_init_freeable+0x15a/0x1db
>   33 [    4.679096]  [<ffffffff81cda836>] ? do_early_param+0x88/0x88
>   34 [    4.679102]  [<ffffffff81765d70>] ? rest_init+0x80/0x80
>   35 [    4.679104]  [<ffffffff81765d79>] kernel_init+0x9/0x180
>   36 [    4.679112]  [<ffffffff81777e2c>] ret_from_fork+0x7c/0xb0
>   37 [    4.679115]  [<ffffffff81765d70>] ? rest_init+0x80/0x80
>   38 [    4.679152] Code: 90 90 48 8b 47 10 55 48 8d 77 08 65 8b 14 25 1c b0 00 00 48 89 e5 48 85 c0 74 0e 48 63 d2 48 89 c6 48 03 34 d5 e0 93 cb 81 8b 0f <0f> 32 48 c1 e2 20 89 c0 48 09 c2 89 16 48 c1 ea 20 89 56     04 5d
>   39 [    4.679155] RIP  [<ffffffff812c0e19>] __rdmsr_on_cpu+0x29/0x40
>   40 [    4.679156]  RSP <ffff88017aa6dc70>
>   41 [    4.679171] ---[ end trace 540c9227357f4c3a ]---
>   42 [    4.679209] swapper/0 (1) used greatest stack depth: 4784 bytes left
>   43 [    4.679225] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
>


[-- Attachment #2: 0001-Thermal-x86-package-temperature-support.patch --]
[-- Type: text/x-patch, Size: 1087 bytes --]

>From ab9c9150a947853654dc43dacbe7eed5f1356b63 Mon Sep 17 00:00:00 2001
From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Date: Wed, 10 Jul 2013 16:19:44 -0700
Subject: [PATCH] Thermal: x86 package temperature support

Even if there is a DTS sensor but no Package temp support, don't
continue as MSR read may generate exception.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
 drivers/thermal/x86_pkg_temp_thermal.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/thermal/x86_pkg_temp_thermal.c b/drivers/thermal/x86_pkg_temp_thermal.c
index 5de56f6..0592135 100644
--- a/drivers/thermal/x86_pkg_temp_thermal.c
+++ b/drivers/thermal/x86_pkg_temp_thermal.c
@@ -511,8 +511,7 @@ static int get_core_online(unsigned int cpu)
 
 	/* Check if there is already an instance for this package */
 	if (!phdev) {
-		if (!cpu_has(c, X86_FEATURE_DTHERM) &&
-					!cpu_has(c, X86_FEATURE_PTS))
+		if (!cpu_has(c, X86_FEATURE_PTS))
 			return -ENODEV;
 		if (pkg_temp_thermal_device_add(cpu))
 			return -ENODEV;
-- 
1.7.11.7


      reply	other threads:[~2013-07-10 23:21 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-10 22:03 crash in sys_get_curr_temp Daniel Walker
2013-07-10 23:27 ` Srinivas Pandruvada [this message]

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