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From: Randy Rhoads <1883593@bugs.launchpad.net>
To: qemu-devel@nongnu.org
Subject: [Bug 1883593] [NEW] Windows XP takes much longer to boot in TCG mode since 5.0
Date: Mon, 15 Jun 2020 19:41:43 -0000	[thread overview]
Message-ID: <159225010396.5666.14857392307926027696.malonedeb@chaenomeles.canonical.com> (raw)

Public bug reported:

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.

** Affects: qemu
     Importance: Undecided
         Status: New

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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.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1883593/+subscriptions


             reply	other threads:[~2020-06-15 19:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-15 19:41 Randy Rhoads [this message]
2020-06-16 16:48 ` [Bug 1883593] Re: Windows XP takes much longer to boot in TCG mode since 5.0 Alex Bennée
2020-06-18  0:00 ` 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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