I am unable to run apport-collect running 4.12-rc3, because I cannot
actually boot my computer (an immediate kernel panic occurs, as
evidenced by adding the output from earlyprintk=efi), so I'm marking
this bug as confirmed. Please also see relevant discussion about this
issue on the Linux Kernel mailing list:
http://lkml.iu.edu/hypermail/linux/kernel/1705.3/04549.html
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1694561
Title:
kernel panic attempting to boot kernel 4.12-rc3
Status in linux package in Ubuntu:
Confirmed
Bug description:
I have an HP Spectre x360 Convertible laptop with an Intel 5500U SoC.
In short, I am completely unable to boot kernel 4.12-rc3, even though
I could boot from 4.12-rc2 perfectly fine. The loading screen does not
appear at all, instead GRUB remains stuck on "Loading initial ramdisk
...". Please help. I don't know how to identify what is wrong because
I am completely unable to boot the OS to begin with. Needless to say,
this is a major problem.
Here is my hardware:
H/W path Device Class Description
====================================================
system HP Spectre x360 Convertible (N5R94UA)
/0 bus 802D
/0/0 memory 64KiB BIOS
/0/10 memory 32KiB L1 cache
/0/11 memory 32KiB L1 cache
/0/12 memory 256KiB L2 cache
/0/13 memory 4MiB L3 cache
/0/14 processor Intel(R) Core(TM) i7-5500U CPU @
2.40GH
/0/16 memory 8GiB System Memory
/0/16/0 memory 4GiB Row of chips Synchronous 1600
MHz
/0/16/1 memory 4GiB Row of chips Synchronous 1600
MHz
/0/100 bridge Broadwell-U Host Bridge -OPI
/0/100/2 display Broadwell-U Integrated Graphics
/0/100/3 multimedia Broadwell-U Audio Controller
/0/100/14 bus Wildcat Point-LP USB xHCI Controller
/0/100/14/0 usb1 bus xHCI Host Controller
/0/100/14/0/1 input USB Receiver
/0/100/14/0/3 multimedia HP Truevision Full HD
/0/100/14/0/4 input Touchscreen
/0/100/14/0/5 input ITE Device(8350)
/0/100/14/0/7 communication Bluetooth wireless interface
/0/100/14/1 usb2 bus xHCI Host Controller
/0/100/16 communication Wildcat Point-LP MEI Controller #1
/0/100/1c bridge Wildcat Point-LP PCI Express Root
Port
/0/100/1c/0 generic RTS5227 PCI Express Card Reader
/0/100/1c.2 bridge Wildcat Point-LP PCI Express Root
Port
/0/100/1c.2/0 wlo1 network Wireless 7265
/0/100/1f bridge Wildcat Point-LP LPC Controller
/0/100/1f.2 storage Wildcat Point-LP SATA Controller
[AHCI
/0/100/1f.3 bus Wildcat Point-LP SMBus Controller
/0/1 scsi0 storage
/0/1/0.0.0 /dev/sda disk 512GB SAMSUNG MZNTE512
/0/1/0.0.0/1 /dev/sda1 volume 449MiB Windows NTFS volume
/0/1/0.0.0/2 /dev/sda2 volume 99MiB Windows FAT volume
/0/1/0.0.0/3 /dev/sda3 volume 15MiB reserved partition
/0/1/0.0.0/4 /dev/sda4 volume 15EiB Windows FAT volume
/0/1/0.0.0/5 /dev/sda5 volume 838MiB Windows NTFS volume
/0/1/0.0.0/6 /dev/sda6 volume 146GiB Windows NTFS volume
/0/1/0.0.0/7 /dev/sda7 volume 89GiB EXT4 volume
/0/1/0.0.0/8 /dev/sda8 volume 8099MiB Linux swap volume
/1 power PK03056XL
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