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[Xen-devel] EFI Xen unstable crashes on Dell E6410 when calling efi_get_time.


I am trying to boot Xen using efibootmgr on a Dell E6410 laptop with 4GB
RAM, running an Intel I5 dual core with VT and all the virtualization
options enabled.

It crashes almost immediately. I am working on getting the serial
console up so that I can get a more detailed stack.

A screenshot of the console is attached.

The xen.cfg file is:


options=console=vga,com1 com1=115200,8n1 dom0_max_vcpus=2 vga="qxl"
root=UUID=917bfc7f-8d9c-4acf-a98a-a9f558daccf2  ro console=hvc0
enforcing=0 biosdevname=0 earlyprintk=xen nomodeset

The codepath is "(gdb) x/20i get_cmos_time
   0xffff82d080188825 <get_cmos_time>:  push   %rbp
   0xffff82d080188826 <get_cmos_time+1>:        mov %rsp,%rbp
   0xffff82d080188829 <get_cmos_time+4>:        push   %r12
   0xffff82d08018882b <get_cmos_time+6>:        push   %rbx
   0xffff82d08018882c <get_cmos_time+7>:        cmpb
$0x0,0xb620d(%rip)        # 0xffff82d08023ea40 <efi_enabled>
   0xffff82d080188833 <get_cmos_time+14>:       je 0xffff82d080188843
   0xffff82d080188835 <get_cmos_time+16>:       callq
0xffff82d080100069 <efi_get_time>"



Marcos Eduardo Matsunaga

Oracle USA
Linux Engineering

âThe statements and opinions expressed here are my own and do not
necessarily represent those of Oracle Corporation.â

Attachment: screenshot.jpg
Description: JPEG image

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