Upgrade BIOS Ubuntu 16 on HP WorkStation HP Z600

Hello,

I have a HP WorkStation HP Z600 PC, with Ubuntu 16.04 (I remove Windows), unfortunately, I occasionally have ACPI error + kernel panic at startup ..

Here is the diary:

[    0.000000] ACPI BIOS Warning (bug): 32/64X length mismatch in FADT/Pm1aEventBlock: 32/16 (20170531/tbfadt-603)
[    0.000000] ACPI BIOS Warning (bug): 32/64X length mismatch in FADT/Gpe0Block: 128/32 (20170531/tbfadt-603)
[    0.000000] ACPI BIOS Warning (bug): Invalid length for FADT/Pm1aEventBlock: 16, using default 32 (20170531/tbfadt-708)
[    0.012401] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
[    0.012401] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
[    0.016086] DMAR-IR: This system BIOS has enabled interrupt remapping
               on a chipset that contains an erratum making that
               feature unstable.  To maintain system stability
               interrupt remapping is being disabled.  Please
               contact your BIOS vendor for an update
[    0.060000] core: CPUID marked event: 'bus cycles' unavailable
[    0.060608]   #2  #3  #4  #5
[    0.073085] PCCT header not found.
[    0.087321] ACPI Error: [CAPD] Namespace lookup failure, AE_ALREADY_EXISTS (20170531/dsfield-211)
[    0.087321] ACPI Error: Method parse/execution failed \_SB.PCI0._OSC, AE_ALREADY_EXISTS (20170531/psparse-550)
[    0.142173] pci 0000:00:1f.0: BAR 13: [io  size 0x0080] has bogus alignment
[    0.142174] pci 0000:00:1f.0: BAR 14: [io  size 0x0040] has bogus alignment
[   10.373823] kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL does not work properly. Using workaround
[   10.523265] nvidia: loading out-of-tree module taints kernel.
[   10.523272] nvidia: module license 'NVIDIA' taints kernel.
[   10.523273] Disabling lock debugging due to kernel taint
[   10.534933] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  340.104  Thu Sep 14 17:13:13 PDT 2017
[75710.054807] kauditd_printk_skb: 19 callbacks suppressed
[75716.562204] kauditd_printk_skb: 3 callbacks suppressed

I guess you have to update the BIOS. ?

My version of my BIOS is 786G4 v 03.57.

I found the LINUX BIOS (on hp.com) but what is the easiest way for ubuntu?

___

- CD ISO

or

- xwbios / hplxbios ? (you have to have RHEL, whereas it's for REDHAT? )

____

Is there a solution for UBUNTU users? can I burn BIOS_CD (7G4_0361.iso) and update the BIOS directly by booting from this CD?

Thanks for your help.