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Re: [Qemu-devel] [Bug 1826393] [NEW] QEMU 3.1.0 stuck waiting for 800ms


From: Stefano Garzarella
Subject: Re: [Qemu-devel] [Bug 1826393] [NEW] QEMU 3.1.0 stuck waiting for 800ms (5 times slower) in pre-bios phase
Date: Mon, 29 Apr 2019 18:25:19 +0200
User-agent: NeoMutt/20180716

On Mon, Apr 29, 2019 at 11:47:33AM -0400, Stefan Hajnoczi wrote:
> On Thu, Apr 25, 2019 at 11:37:02AM -0000, Waldemar Kozaczuk wrote:
> 
> Please try building QEMU 4.0.0 from source:
> 
>   https://download.qemu.org/qemu-4.0.0.tar.xz
> 

It seems that is related to an issue with some TPM timeouts found in
SeaBIOS 1.12.0:
https://www.mail-archive.com/address@hidden/msg575060.html

As Stefan suggested the new QEMU 4.0.0 should not have this issue since
it is shipped with SeaBIOS 1.12.1 (where the fix is applied).

If you want to use QEMU 3.1.0 with the new SeaBIOS, you can download it
and use the '-bios' parameter:
    $ wget https://github.com/qemu/qemu/blob/v4.0.0/pc-bios/bios-256k.bin
    $ qemu-system-x86_64 -bios /path/to/bios-256k.bin ...





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