From: Tracy Smith <tlsmith3777@gmail.com>
To: Shivappa Vikas <vikas.shivappa@intel.com>
Cc: x86@kernel.org, lkml <linux-kernel@vger.kernel.org>,
ravi.v.shankar@intel.com, tony.luck@intel.com,
fenghua.yu@intel.com, h.peter.anvin@intel.com,
Vikas Shivappa <vikas.shivappa@linux.intel.com>
Subject: Re: [PATCH 4/8] x86/intel_rct/mba: Add MBA structures and initialize MBA
Date: Tue, 4 Apr 2017 14:02:24 -0500 [thread overview]
Message-ID: <CAChUvXMsEbJKeu_YSmSp16YMU6=P748ERRr=z54jrftz5GwB-Q@mail.gmail.com> (raw)
Apologies, unrelated to MBA. Resent later with a changed subject line.
On Tue, Apr 4, 2017 at 1:50 PM, Shivappa Vikas <vikas.shivappa@intel.com> wrote:
>
>
>
> On Mon, 3 Apr 2017, Tracy Smith wrote:
>
>> Hi All,
>>
>> No JTAG available and need to understand why Linux 4.8.3 doesn't boot on a
>> x86_64 corei7-64. Hangs at the typical "Starting kernel" location after
>> the last message of the U-boot. The bootcmd is given below.
>
>
> Do you see the issue when you apply MBA patches . It seems like you use 4.8
> kernel but the mba patches are dependent on :
> https://marc.info/?l=linux-kernel&m=149125583824700
>
> which is applied on 4.11-rc4.
>
>
>>
>> See a fault FFS and a message indicating the image didn't load after
>> failover.
>>
>> 1) How can I verify if the kernel image was loaded from uboot
>> 2) What is this fault?
>> 3) Has the bootargs or bootcmd changed between 4.1 and 4.8.3?
>> 4) If the boot cmd/arg has changed, what should the boot cmd/arg be for
>> 4.8.3 to boot on x86_64 corei7-64?
>>
>> Initial RAM disk at linear address 0x20000000, size 11638378 bytes
>> Kernel command line: "BOOT_IMAGE=/imgx/bzImage LABEL=BOOT root=/dev/ram0
>> imgmnt=/media/sda2 imgdir=imgx img=image.rootfs rootdelay=2 slub_debug=F
>> console=ttyS1,115200 bootcount=1 bootcount_addr=0xa4000
>> acpi_enforce_resources=lax pram_size=0x800000 pram_addr=10000000
>> pram_loc=ddr crashkernel=128M memmap=0x800000$0x10000000 "
>> EFI table at 683392c0, mmap 68339300, mmap size 4c0, version 1, descr.
>> size
>> 0x30
>>
>> Starting kernel ...
>>
>> Timer summary in microseconds:
>> Mark Elapsed Stage
>> 0 0 reset
>> 1 1 board_init_r
>> 105 104 board_init_f
>> 10,180,048 10,179,943 id=64
>> 10,221,985 41,937 id=65
>> 10,356,645 134,660 main_loop
>> 12,366,521 2,009,876 usb_start
>> 18,747,284 6,380,763 start_kernel
>> Accumulated time:
>> 10,162,689 ahci
>>
>> On a 4.1.26-yocto-standard #1 SMP it boots with no issues. Basically same
>> .config used in both cases except for anything deprecated between 4.1 and
>> 4.8.3.
>>
>> root@:~# cat /proc/cmdline
>> BOOT_IMAGE=/imgy/bzImage LABEL=BOOT root=/dev/ram0 imgmnt=/media/sda2
>> imgdir=imgy img=image.rootfs rootdelay=2 slub_debug=F console=ttyS1,115200
>> fault=FFS bootcount=3 bootcount_addr=0xa4000 acpi_enforce_resources=lax
>> pram_size=0x800000 pram_addr=10000000 pram_loc=ddr crashkernel=128M
>> memmap=0x800000$0x10000000
>> root@CLX3001:~# cat /proc/consoles
>> ttyS1 -W- (EC p a) 4:65
>> netcon0 -W- (E )
>>
>> thx,
>> Tray
>>
>
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next reply other threads:[~2017-04-04 19:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-04 19:02 Tracy Smith [this message]
-- strict thread matches above, loose matches on Subject: below --
2017-04-08 0:33 [PATCH 0/8 V4] x86/intel_rdt: Intel Memory bandwidth allocation Vikas Shivappa
2017-04-08 0:33 ` [PATCH 4/8] x86/intel_rct/mba: Add MBA structures and initialize MBA Vikas Shivappa
2017-04-03 21:57 [PATCH 0/8 V3] x86/intel_rdt: Intel Memory bandwidth allocation Vikas Shivappa
2017-04-03 21:57 ` [PATCH 4/8] x86/intel_rct/mba: Add MBA structures and initialize MBA Vikas Shivappa
[not found] ` <CAChUvXM8gWAz6-AJ6jkyKjf5Yz0ze-2XAtvdZvze3Go44TPD8A@mail.gmail.com>
2017-04-04 18:50 ` Shivappa Vikas
2017-04-05 15:40 ` Thomas Gleixner
2017-04-05 18:09 ` Shivappa Vikas
2017-02-17 19:58 [PATCH 0/8 V2] x86/intel_rdt: Intel Memory bandwidth allocation Vikas Shivappa
2017-02-17 19:58 ` [PATCH 4/8] x86/intel_rct/mba: Add MBA structures and initialize MBA Vikas Shivappa
2017-03-01 15:24 ` Thomas Gleixner
2017-03-10 21:51 ` Shivappa Vikas
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