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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI] igt@kms_*@*suspend* - dmesg-warn - Delta way too big! 18446743856563626466 ts=18446744054496180323 write stamp = 197932553857 - WARNING: CPU: 0 PID: 1596 at kernel/trace/ring_buffer.c:2640 rb_handle_timestamp.isra.33+0x6c/0x70"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105762#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI] igt@kms_*@*suspend* - dmesg-warn - Delta way too big! 18446743856563626466 ts=18446744054496180323 write stamp = 197932553857 - WARNING: CPU: 0 PID: 1596 at kernel/trace/ring_buffer.c:2640 rb_handle_timestamp.isra.33+0x6c/0x70"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105762">bug 105762</a>
from <span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span></b>
<pre>(In reply to Chris Wilson from <a href="show_bug.cgi?id=105762#c7">comment #7</a>)
<span class="quote">> Please file cfl separately as TSC is not mean to be broken on new hardware,
> and please let peterz/hpj know.
>
> <4>[ 134.519360] clocksource: timekeeping watchdog on CPU4: Marking
> clocksource 'tsc' as unstable because the skew is too large:
> <4>[ 134.519436] clocksource: 'hpet' wd_now: c05a4d67
> wd_last: bfc4584b mask: ffffffff
> <4>[ 134.519450] clocksource: 'tsc' cs_now:
> 72c02e8d6e cs_last: 7261d1ce0f mask: ffffffffffffffff
> <6>[ 134.520117] tsc: Marking TSC unstable due to clocksource watchdog
> <4>[ 134.520482] TSC found unstable after boot, most likely due to broken
> BIOS. Use 'tsc=unstable'.</span >
but it is only CFL.</pre>
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