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PSA: Stay away from 4.80 BIOS X370 Taichi

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shmerl View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shmerl Quote  Post ReplyReply Direct Link To This Post Posted: 12 hours 23 minutes ago at 12:52am
Just flashed 4.81 on X370 Taichi with Ryzen 2700X / G.Skill Flare X 3200 MHz. (2 x 8 GB). So far so good. I don't overclock the CPU, but run RAM at 3200 MHz using customized timings.


Edited by shmerl - 12 hours 23 minutes ago at 12:52am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shmerl Quote  Post ReplyReply Direct Link To This Post Posted: 5 hours 50 minutes ago at 7:25am
I spoke too soon. Virtualization stopped working for me with 4.81 (on Debian testing Linux). Even though I enabled SVM in the firmware, qemu/kvm are not working anymore:

Error starting domain: unsupported configuration: Domain requires KVM, but it is not available. Check that virtualization is enabled in the host BIOS, and host configuration is setup to load the kvm modules.

Strangely, lscpu shows virtualization as available:

lscpu
Architecture:        x86_64
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
CPU(s):              16
On-line CPU(s) list: 0-15
Thread(s) per core:  2
Core(s) per socket:  8
Socket(s):           1
NUMA node(s):        1
Vendor ID:           AuthenticAMD
CPU family:          23
Model:               8
Model name:          AMD Ryzen 7 2700X Eight-Core Processor
Stepping:            2
CPU MHz:             2100.526
CPU max MHz:         3700.0000
CPU min MHz:         2200.0000
BogoMIPS:            7400.34
Virtualization:      AMD-V
L1d cache:           32K
L1i cache:           64K
L2 cache:            512K
L3 cache:            8192K
NUMA node0 CPU(s):   0-15
Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb hw_pstate sme ssbd sev ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smca

Clearing CMOS didn't help.


Edited by shmerl - 4 hours 59 minutes ago at 8:16am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shmerl Quote  Post ReplyReply Direct Link To This Post Posted: 4 hours 60 minutes ago at 8:15am
OK, I reverted back to 4.64, and virtualization issue is gone. So it's surely a bug in the firmware.

Originally posted by J Z J Z wrote:

See Link...


Can you direct it to Asrock please, or I should open an official ticket to report the bug?



Edited by shmerl - 4 hours 58 minutes ago at 8:17am
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