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[Qemu-devel] OpenIndiana x86 with tcg hangs/timeouts


From: Sai Prajeeth
Subject: [Qemu-devel] OpenIndiana x86 with tcg hangs/timeouts
Date: Mon, 26 May 2014 22:36:23 +0530

Hi list,

Many services timeout in OpenIndiana (151a8 Server Build 32 bit x86) during boot when i use the tcg accelerator. This is pushing the boot time of the OS to more than 45 mins depending on the number of CPUs activated.

I did the tests with qemu-system-i386 -smp sockets=4,cores=1,threads=1 and used a drive (HDD) with AHCI controller

-device ahci,id=ahci \
-device ide-drive,bus=ahci.0,drive=ahcihd \
-drive file=.../indiana.ahci,format=qcow2,if=none,id=ahcihd \

My host computer information:
(uname-a) Linux  3.2.0-56-generic #86-Ubuntu SMP  x86_64 x86_64 x86_64 GNU/Linux
Distribution: Ubuntu 12.04.3 LTS
CPU:  Intel(R) Xeon(R) CPU           E5649  @ 2.53GHz

In general OpenIndiana with tcg is slow(very) as compared to ubuntu which is quite fast (multiple CPUs).


Unable to boot on the following commits :
178ac111bca16c08a79b2609ebdc75197bea976a (v2.0.50)
ba014af39c6f9ee5af70d39ef495ac9f2bd4a76c (v1.7.1)
From the kernel boot messages, the boot hangs after CPU 0 and 1 are initialized.

Services time out on the following commits
4ce5bc2dd1914a706725186c6563e8f92eedfc84 (v1.1.2)
3ffb4001c2e28624cd59a2b3598858784d0718d0 (v1.0.1)


Can anyone else confirm this?


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