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From: "Alex Bennée" <1883593@bugs.launchpad.net>
To: qemu-devel@nongnu.org
Subject: [Bug 1883593] Re: Windows XP takes much longer to boot in TCG mode since 5.0
Date: Tue, 16 Jun 2020 16:48:05 -0000	[thread overview]
Message-ID: <159232608581.10023.7810855300044765529.malone@gac.canonical.com> (raw)
In-Reply-To: 159225010396.5666.14857392307926027696.malonedeb@chaenomeles.canonical.com

Are you able to bisect between 4.2 and 5.0 and identify what introduces
the slow down?

** Tags added: tcg

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https://bugs.launchpad.net/bugs/1883593

Title:
  Windows XP takes much longer to boot in TCG mode since 5.0

Status in QEMU:
  New

Bug description:
  Since upgrading from 4.2 to 5.0, a Windows XP VM takes much longer to
  boot.

  It hangs about three minutes on "welcome" screen with the blue
  background, while previously the total boot time was less than a
  minute.

  The issue only happens in TCG mode (not with KVM) and also happens
  with the current master which includes the uring patches (7d3660e7).

  I can reproduce this issue with a clean XP install with no flags other
  than `-m 2G`. After booting, the performance seems to be normal.

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  reply	other threads:[~2020-06-16 16:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-15 19:41 [Bug 1883593] [NEW] Windows XP takes much longer to boot in TCG mode since 5.0 Randy Rhoads
2020-06-16 16:48 ` Alex Bennée [this message]
2020-06-18  0:00 ` [Bug 1883593] " Randy Rhoads
2021-05-06 16:52 ` Thomas Huth
2021-06-10 13:27 ` Peter Maydell
2021-06-10 13:53 ` Thomas Huth

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