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manu_leo
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PostPosted: Tue Dec 27, 2016 7:12 pm    Post subject: Kernel panic on a new install. Reply with quote

Hi Experts, I am getting Kernel panic when installing gentoo on a fresh box. The last line says
Quote:
end trace 2c17e492843aa7e2
if that makes any sense.

Quote:
(chroot) livecd linux # lspci -vv | grep -i sata
lspci: Unable to load libkmod resources: error -12
00:1f.2 SATA controller: Intel Corporation C600/X79 series chipset 6-Port SATA AHCI Controller (rev 05) (prog-if 01 [AHCI 1.0])
Subsystem: Dell C600/X79 series chipset 6-Port SATA AHCI Controller
Capabilities: [a8] SATA HBA v1.0 BAR4 Offset=00000004

Quote:
(chroot) livecd linux # lspci -vv | grep -i raid
lspci: Unable to load libkmod resources: error -12
02:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 2208 [Thunderbolt] (rev 05)
Kernel driver in use: megaraid_sas
(chroot) livecd linux #


Quote:
(chroot) livecd / # lspci -vv | grep -i sas
lspci: Unable to load libkmod resources: error -12
02:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 2208 [Thunderbolt] (rev 05)
Kernel driver in use: megaraid_sas
08:00.0 PCI bridge: Renesas Technology Corp. SH7757 PCIe Switch [PS] (prog-if 00 [Normal decode])
Capabilities: [b0] Subsystem: Renesas Technology Corp. SH7757 PCIe Switch [PS]
09:00.0 PCI bridge: Renesas Technology Corp. SH7757 PCIe Switch [PS] (prog-if 00 [Normal decode])
Capabilities: [b0] Subsystem: Renesas Technology Corp. SH7757 PCIe Switch [PS]
09:01.0 PCI bridge: Renesas Technology Corp. SH7757 PCIe Switch [PS] (prog-if 00 [Normal decode])
Capabilities: [b0] Subsystem: Renesas Technology Corp. SH7757 PCIe Switch [PS]
0a:00.0 PCI bridge: Renesas Technology Corp. SH7757 PCIe-PCI Bridge [PPB] (prog-if 00 [Normal decode])
Capabilities: [b0] Subsystem: Renesas Technology Corp. SH7757 PCIe-PCI Bridge [PPB]
(chroot) livecd / #



Kernel config :-
Quote:
http://pastebin.com/MLhsmnsA



Appreciate all your help in advance. Thanks
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NeddySeagoon
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PostPosted: Tue Dec 27, 2016 7:37 pm    Post subject: Reply with quote

manu_leo,

The panic message might say something like .... unknown-block(x,y)
Where X and Y are numbers. If that's there, what are the numbers?

Which disc controller is your root filesystem attached to?

CONFIG_SATA_AHCI=y covers
00:1f.2 SATA controller: Intel Corporation C600/X79 series chipset 6-Port SATA AHCI Controller (rev 05) (prog-if 01 [AHCI 1.0])

CONFIG_MEGARAID_SAS=y covers
02:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 2208 [Thunderbolt] (rev 05)

The text of the panic message will tell more.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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manu_leo
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PostPosted: Tue Dec 27, 2016 7:44 pm    Post subject: Reply with quote

Thanks Neddy, is there a way I can attach screen shot here for the kernel panic?

The panic message does not say anything line unknown block which it did before, so I am also little confused.

When I do lspci -vv for sata and sas, I see ahci and megaraid respectively, so I configured both in the kernel.

Please suggest if I am missing something here. Thanks.
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NeddySeagoon
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PostPosted: Tue Dec 27, 2016 7:49 pm    Post subject: Reply with quote

manu_leo,

You can put a photo on a free photo site and put a link here.

There are a few things you need to get right in the kernel to boot.

The partition table code. Its usually MSDOS or GPT.
Block device support
SCSI Disk Support. Thats the top layer
The individual chip set drivers AHCI, megaraid ...
The root filesystem driver.

There are probably more. We need to know all of those things to check your kernel settings.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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manu_leo
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PostPosted: Wed Dec 28, 2016 4:59 am    Post subject: Reply with quote

Hi Neddy, here are the details :-

Partition table code is msdos and the partition is as below :-
Quote:
/dev/sdc1 / xfs noatime 0 1
/dev/sdc2 /boot xfs noatime 0 0
/dev/sdc3 /var xfs noatime 0 2
/dev/sdc4 /home xfs noatime 0 2


SCSI Disk is
Quote:
SCSI controller: LSI Logic / Symbios Logic SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] (rev 03)

Quote:
Symbol: SCSI_MPT2SAS [=y] │
│ Type : tristate │
│ Prompt: Legacy MPT2SAS config option │
│ Location: │
│ -> Device Drivers │
│ -> SCSI device support │
│ (1) -> SCSI low-level drivers (SCSI_LOWLEVEL [=y]) │
│ Defined at drivers/scsi/mpt3sas/Kconfig:75 │
│ Depends on: SCSI_LOWLEVEL [=y] && PCI [=y] && SCSI [=y] │
│ Selects: SCSI_MPT3SAS [=y] │
│ │
│ │
│ Symbol: SCSI_MPT2SAS_MAX_SGE [=128] │
│ Type : integer │
│ Range : [16 256] │
│ Prompt: LSI MPT Fusion SAS 2.0 Max number of SG Entries (16 - 256) │
│ Location: │
│ -> Device Drivers │
│ -> SCSI device support │
│ -> SCSI low-level drivers (SCSI_LOWLEVEL [=y]) │
│ (2) -> LSI MPT Fusion SAS 3.0 & SAS 2.0 Device Driver (SCSI_MPT3SAS [=y]) │
│ Defined at drivers/scsi/mpt3sas/Kconfig:51 │
│ Depends on: SCSI_LOWLEVEL [=y] && PCI [=y] && SCSI [=y] && SCSI_MPT3SAS [=y]

File System is XFS and it is added in the kernel and compiled.

AHCI and Megaraid is also configured in kernel and compiled.

Quote:
Symbol: SCSI_MPT3SAS [=y] │
│ Type : tristate │
│ Prompt: LSI MPT Fusion SAS 3.0 & SAS 2.0 Device Driver │
│ Location: │
│ -> Device Drivers │
│ -> SCSI device support │
│ (1) -> SCSI low-level drivers (SCSI_LOWLEVEL [=y]) │
│ Defined at drivers/scsi/mpt3sas/Kconfig:43 │
│ Depends on: SCSI_LOWLEVEL [=y] && PCI [=y] && SCSI [=y] │
│ Selects: SCSI_SAS_ATTRS [=y] && RAID_ATTRS [=y] │
│ Selected by: SCSI_MPT2SAS [=y] && SCSI_LOWLEVEL [=y] && PCI [=y] && SCSI [=y] │
│ │
│ │
│ Symbol: SCSI_MPT3SAS_MAX_SGE [=128] │
│ Type : integer │
│ Range : [16 256] │
│ Prompt: LSI MPT Fusion SAS 3.0 Max number of SG Entries (16 - 256) │
│ Location: │
│ -> Device Drivers │
│ -> SCSI device support │
│ -> SCSI low-level drivers (SCSI_LOWLEVEL [=y]) │
│ (2) -> LSI MPT Fusion SAS 3.0 & SAS 2.0 Device Driver (SCSI_MPT3SAS [=y]) │
│ Defined at drivers/scsi/mpt3sas/Kconfig:63 │
│ Depends on: SCSI_LOWLEVEL [=y] && PCI [=y] && SCSI [=y] && SCSI_MPT3SAS [=y] │
│ │



Appreciate all your help.
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NTU
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PostPosted: Wed Dec 28, 2016 9:01 am    Post subject: Reply with quote

For an example on what we'd need to help you solve your problem: https://www.youtube.com/watch?v=9_Qj-KY62yU

Without seeing the exact message and the entire stack trace we won't know what's causing the panic. Thanks!
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manu_leo
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PostPosted: Wed Dec 28, 2016 9:20 am    Post subject: Reply with quote

Hi NTU,
I tried capturing the entire o/p as shown in the video, however I donot have the privileage to capture the entire stuff. I took the error screen shot which is attached.

Kernel Panic Link
Quote:
https://s27.postimg.org/ouuyyjqzn/Screen_Shot_2016_12_28_at_12_40_40_AM.png


Please let me know if this helps you guys.
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NeddySeagoon
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PostPosted: Wed Dec 28, 2016 5:06 pm    Post subject: Reply with quote

manu_leo,

The text we need has scrolled off the top of the console. Due to the panic, there is no way to get it back.
To do this by analysis we need

1.
Code:
lspci
output.
2.
Code:
df -T
output, taken from just before you chroot.
3. Are you using BIOS or UEFI mode?
4. Your kernel .config file.

Items 1, 2 and 3 will fit in a post.
Item 4 must go onto a pastebin.

Another check you can do ...
Get ready to chroot but don't do the chroot step.
What is the time and date on the file
Code:
/mnt/gentoo/usr/src/linux/.config
make a note of it.
This is the kernel .config file which I asked you to pastebin above. If all it well, it will be the oldest of the files we will look at.

The kernel binary is at
Code:
/mnt/gentoo/usr/src/linux/arch/x86/boot/bzImage
if this file really came from the .config file above, it must be newer. If not, rebuild and reinstall your kernel. Retest. You might have fixed your issue without knowing it.
Make a note of the time and date on
Code:
/mnt/gentoo/usr/src/linux/arch/x86/boot/bzImage


Look at the kernel files in /boot/ There should be one with the same timestamp as bzImage above. If there are several kernel files, remove all the older ones and reboot. We need to test that the right kernel is being loaded.
If grub complains that it can't find a kernel to load, its been leading the wrong kernel. Fix that and try again.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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manu_leo
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PostPosted: Fri Dec 30, 2016 6:27 am    Post subject: Reply with quote

Thanks Neddy for all the help. Please find the requested o/p below :-

lspci
Quote:
livecd ~ # lspci
00:00.0 Host bridge: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 DMI2 (rev 04)
00:01.0 PCI bridge: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 1a (rev 04)
00:02.0 PCI bridge: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 2a (rev 04)
00:02.2 PCI bridge: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 2c (rev 04)
00:03.0 PCI bridge: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 3a (rev 04)
00:05.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 VTd/Memory Map/Misc (rev 04)
00:05.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 IIO RAS (rev 04)
00:11.0 PCI bridge: Intel Corporation C600/X79 series chipset PCI Express Virtual Root Port (rev 05)
00:16.0 Communication controller: Intel Corporation C600/X79 series chipset MEI Controller #1 (rev 05)
00:16.1 Communication controller: Intel Corporation C600/X79 series chipset MEI Controller #2 (rev 05)
00:1a.0 USB controller: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #2 (rev 05)
00:1c.0 PCI bridge: Intel Corporation C600/X79 series chipset PCI Express Root Port 1 (rev b5)
00:1c.4 PCI bridge: Intel Corporation C600/X79 series chipset PCI Express Root Port 5 (rev b5)
00:1c.7 PCI bridge: Intel Corporation C600/X79 series chipset PCI Express Root Port 8 (rev b5)
00:1d.0 USB controller: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #1 (rev 05)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a5)
00:1f.0 ISA bridge: Intel Corporation C600/X79 series chipset LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation C600/X79 series chipset 6-Port SATA AHCI Controller (rev 05)
01:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
01:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
02:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 2208 [Thunderbolt] (rev 05)
07:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
07:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
08:00.0 PCI bridge: Renesas Technology Corp. SH7757 PCIe Switch [PS]
09:00.0 PCI bridge: Renesas Technology Corp. SH7757 PCIe Switch [PS]
09:01.0 PCI bridge: Renesas Technology Corp. SH7757 PCIe Switch [PS]
0a:00.0 PCI bridge: Renesas Technology Corp. SH7757 PCIe-PCI Bridge [PPB]
0b:00.0 VGA compatible controller: Matrox Electronics Systems Ltd. G200eR2
3f:08.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Link 0 (rev 04)
3f:09.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Link 1 (rev 04)
3f:0a.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 0 (rev 04)
3f:0a.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 1 (rev 04)
3f:0a.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 2 (rev 04)
3f:0a.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 3 (rev 04)
3f:0b.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 UBOX Registers (rev 04)
3f:0b.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 UBOX Registers (rev 04)
3f:0c.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
3f:0c.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
3f:0c.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
3f:0c.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
3f:0c.4 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
3f:0d.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
3f:0d.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
3f:0d.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
3f:0d.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
3f:0d.4 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
3f:0e.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Home Agent 0 (rev 04)
3f:0e.1 Performance counters: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Home Agent 0 (rev 04)
3f:0f.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Target Address/Thermal Registers (rev 04)
3f:0f.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 RAS Registers (rev 04)
3f:0f.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers (rev 04)
3f:0f.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers (rev 04)
3f:0f.4 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers (rev 04)
3f:0f.5 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers (rev 04)
3f:10.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 0 (rev 04)
3f:10.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 1 (rev 04)
3f:10.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 0 (rev 04)
3f:10.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 1 (rev 04)
3f:10.4 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 2 (rev 04)
3f:10.5 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 3 (rev 04)
3f:10.7 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 3 (rev 04)
3f:13.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 R2PCIe (rev 04)
3f:13.1 Performance counters: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 R2PCIe (rev 04)
3f:13.4 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Ring Registers (rev 04)
3f:13.5 Performance counters: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Ring Performance Ring Monitoring (rev 04)
3f:16.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 System Address Decoder (rev 04)
3f:16.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Broadcast Registers (rev 04)
3f:16.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Broadcast Registers (rev 04)
40:01.0 PCI bridge: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 1a (rev 04)
40:03.0 PCI bridge: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 3a (rev 04)
40:05.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 VTd/Memory Map/Misc (rev 04)
40:05.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 IIO RAS (rev 04)
7f:08.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Link 0 (rev 04)
7f:09.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Link 1 (rev 04)
7f:0a.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 0 (rev 04)
7f:0a.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 1 (rev 04)
7f:0a.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 2 (rev 04)
7f:0a.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 3 (rev 04)
7f:0b.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 UBOX Registers (rev 04)
7f:0b.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 UBOX Registers (rev 04)
7f:0c.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
7f:0c.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
7f:0c.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
7f:0c.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
7f:0c.4 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
7f:0d.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
7f:0d.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
7f:0d.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
7f:0d.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
7f:0d.4 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers (rev 04)
7f:0e.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Home Agent 0 (rev 04)
7f:0e.1 Performance counters: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Home Agent 0 (rev 04)
7f:0f.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Target Address/Thermal Registers (rev 04)
7f:0f.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 RAS Registers (rev 04)
7f:0f.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers (rev 04)
7f:0f.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers (rev 04)
7f:0f.4 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers (rev 04)
7f:0f.5 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers (rev 04)
7f:10.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 0 (rev 04)
7f:10.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 1 (rev 04)
7f:10.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 0 (rev 04)
7f:10.3 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 1 (rev 04)
7f:10.4 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 2 (rev 04)
7f:10.5 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 3 (rev 04)
7f:10.7 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 3 (rev 04)
7f:13.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 R2PCIe (rev 04)
7f:13.1 Performance counters: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 R2PCIe (rev 04)
7f:13.4 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Ring Registers (rev 04)
7f:13.5 Performance counters: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Ring Performance Ring Monitoring (rev 04)
7f:16.0 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 System Address Decoder (rev 04)
7f:16.1 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Broadcast Registers (rev 04)
7f:16.2 System peripheral: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Broadcast Registers (rev 04)




df -T
Quote:
livecd ~ # df -T
Filesystem Type 1K-blocks Used Available Use% Mounted on
udev devtmpfs 10240 4 10236 1% /dev
tmpfs tmpfs 32981964 64280 32917684 1% /
/dev/sr1 iso9660 268540 268540 0 100% /mnt/cdrom
/dev/loop0 squashfs 237184 237184 0 100% /mnt/livecd
tmpfs tmpfs 6596396 852 6595544 1% /run
shm tmpfs 32981964 0 32981964 0% /dev/shm
cgroup_root tmpfs 10240 0 10240 0% /sys/fs/cgroup
tmpfs tmpfs 32981964 0 32981964 0% /mnt/livecd/usr/portage
/dev/sda1 xfs 52403200 3747324 48655876 8% /mnt/gentoo
/dev/sda2 xfs 508580 56368 452212 12% /mnt/gentoo/boot
/dev/sda3 xfs 52403200 72384 52330816 1% /mnt/gentoo/var
/dev/sda4 xfs 1065106300 32960 1065073340 1% /mnt/gentoo/home


I am using
Quote:
BIOS
mode.

.config o/p
Quote:
http://pastebin.com/S5TBGzB8


bzImage is newer than .config
Quote:
livecd ~ # ls -lth /mnt/gentoo/usr/src/linux/.config
-rw-r--r-- 1 root root 101K Dec 28 10:53 /mnt/gentoo/usr/src/linux/.config
livecd ~ #
livecd ~ #
livecd ~ # ls -lth /mnt/gentoo/usr/src/linux/arch/x86/boot/bzImage
-rw-r--r-- 1 root root 6.2M Dec 28 00:43 /mnt/gentoo/usr/src/linux/arch/x86/boot/bzImage


Also, there is just 1 kernel which is present and that is the one that is booting.
Quote:
(chroot) livecd boot # ls -lth
total 20M
drwxr-xr-x 6 root root 93 Dec 28 06:14 grub
-rw-r--r-- 1 root root 101K Dec 28 06:13 config-4.4.39-gentoo
-rw-r--r-- 1 root root 3.4M Dec 28 06:13 System.map-4.4.39-gentoo
-rw-r--r-- 1 root root 6.2M Dec 28 06:13 vmlinuz-4.4.39-gentoo
-rw-r--r-- 1 root root 101K Dec 27 23:49 config-4.4.39-gentoo.old
-rw-r--r-- 1 root root 3.4M Dec 27 23:49 System.map-4.4.39-gentoo.old
-rw-r--r-- 1 root root 6.3M Dec 27 23:49 vmlinuz-4.4.39-gentoo.old
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manu_leo
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Joined: 20 Jan 2014
Posts: 442
Location: India

PostPosted: Fri Dec 30, 2016 7:40 am    Post subject: Reply with quote

Sometime, I also see error as "Unable to mount root fs on unknow-block(8,1)

Screenshot attached
Quote:
https://i.imgsafe.org/60eb4d729b.png


Not sure whats going on.
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manu_leo
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Joined: 20 Jan 2014
Posts: 442
Location: India

PostPosted: Sun Jan 01, 2017 6:12 pm    Post subject: Reply with quote

Any help on this really appreciated. I am stuck with this server and its going no where.

Can somepoint point me in the right direction to get this fixed. Thanks for all the help in advance.
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eccerr0r
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Joined: 01 Jul 2004
Posts: 7070
Location: almost Mile High in the USA

PostPosted: Mon Jan 02, 2017 8:21 am    Post subject: Reply with quote

manu_leo wrote:

bzImage is newer than .config
Quote:
livecd ~ # ls -lth /mnt/gentoo/usr/src/linux/.config
-rw-r--r-- 1 root root 101K Dec 28 10:53 /mnt/gentoo/usr/src/linux/.config
livecd ~ #
livecd ~ #
livecd ~ # ls -lth /mnt/gentoo/usr/src/linux/arch/x86/boot/bzImage
-rw-r--r-- 1 root root 6.2M Dec 28 00:43 /mnt/gentoo/usr/src/linux/arch/x86/boot/bzImage



kernel looks a bit older than your .config. Make sure it's fresh.

You might want to change your root= around, like try /dev/sda, /dev/sdb, /dev/sdc ..etc.. and see if any of them work. I don't know what order your machine decides to deal with your RAID controller in terms of what disks are connected to that versus your sata ports, and where your real root disk is connected...
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