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From:   bugzilla-daemon@kernel.org
To:     kvm@vger.kernel.org
Subject: [Bug 216388] On Host, kernel errors in KVM, on guests, it shows CPU
 stalls
Date:   Sun, 28 Aug 2022 21:08:53 +0000
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Message-ID: <bug-216388-28872-pJkc0r710c@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=3D216388

--- Comment #5 from Robert Dinse (nanook@eskimo.com) ---
Here is another example:

[98519.357381] Task dump for CPU 10:
[98519.357382] task:Embedded solr q state:R  running task     stack:    0
pid:607931 ppid:     1 flags:0x00000000
[98519.357389] Call Trace:
[98519.357393]  <TASK>
[98519.357399]  ? kvm_clock_get_cycles+0x11/0x20
[98519.357408]  ? ktime_get+0x46/0xc0
[98519.357411]  ? lapic_next_deadline+0x2c/0x40
[98519.357414]  ? clockevents_program_event+0xae/0x130
[98519.357418]  ? tick_program_event+0x43/0x90
[98519.357420]  ? hrtimer_interrupt+0x11f/0x220
[98519.357423]  ? exit_to_user_mode_prepare+0x41/0x1e0
[98519.357427]  ? irqentry_exit_to_user_mode+0x9/0x30
[98519.357430]  ? irqentry_exit+0x1d/0x30
[98519.357432]  ? sysvec_apic_timer_interrupt+0x4b/0xa0
[98519.357436]  ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[98519.357442]  </TASK>

As you can see these are happening all over hell and back.

--=20
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