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SubjectRe: Fwd: [WARNING AND ERROR] may be system slow and audio and video breaking
On Sun, Oct 18, 2020 at 10:42:39PM +0530, Jeffrin Jose T wrote:
> smpboot: Scheduler frequency invariance went wobbly, disabling!
> [ 1112.592866] unchecked MSR access error: RDMSR from 0x123 at rIP:
> 0xffffffffb5c9a184 (native_read_msr+0x4/0x30)
> [ 1112.592869] Call Trace:
> [ 1112.592876] update_srbds_msr+0x6f/0xb0
> [ 1112.592880] smp_store_cpu_info+0x8e/0xb0
> [ 1112.592883] start_secondary+0x93/0x200
> [ 1112.592887] ? set_cpu_sibling_map+0xcb0/0xcb0
> [ 1112.592891] secondary_startup_64+0xa4/0xb0
> [ 1112.592898] unchecked MSR access error: WRMSR to 0x123 (tried to
> write 0x0000000000000000) at rIP: 0xffffffffb5c9a264
> (native_write_msr+0x4/0x20)
> [ 1112.592899] Call Trace:
> [ 1112.592902] update_srbds_msr+0x98/0xb0
> [ 1112.592904] smp_store_cpu_info+0x8e/0xb0
> [ 1112.592907] start_secondary+0x93/0x200
> [ 1112.592911] ? set_cpu_sibling_map+0xcb0/0xcb0
> [ 1112.592914] secondary_startup_64+0xa4/0xb0
> [ 2915.106879] show_signal: 6 callbacks suppressed
> [ 6089.209343] WARNING: stack going in the wrong direction? at
> i915_gem_close_object+0x2fb/0x560 [i915]

This looks strange.

Please send

- full dmesg
- output from the "grep -r . /sys/devices/system/cpu/vulnerabilities/" command
- /proc/cpuinfo
- .config

Privately is fine too.

> -----------------x---------------x----------------x------------
> Linux debian 5.9.1-rc1+ #4 SMP Fri Oct 16 16:48:04 IST 2020 x86_64

What kernel is that exactly?

Can you reproduce with plain v5.9 too?

Thx.

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette

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