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Re: [Qemu-devel] 2.6.21 kernel on emulated/real Malta board

From: Stefan Weil
Subject: Re: [Qemu-devel] 2.6.21 kernel on emulated/real Malta board
Date: Sat, 16 Jun 2007 23:21:25 +0200
User-agent: IceDove (X11/20070607)


2.6.21 with patches from OpenWrt works for AR7 with
CONFIG_EARLY_PRINTK and real hardware or QEMU emulation.
Maybe I can compare it to Malta tomorrow.

Perhaps some environment settings are missing for
early printk and result in a crash...


Aurelien Jarno schrieb:
> Hi all,
> Since I switch to 2.6.21 kernel on my emulated Malta board (QEMU), I
> have noticed something strange. The kernel starts to boot up to the
> timer calibration, and then it restart the boot again. A small example:
> ...
> I have traced the problem down to the CONFIG_EARLY_PRINTK option.
> Disabling it in the .config file (be aware that running make *config
> will reenable this function), removes the problem.
> The problem occurs for kernel 2.6.21 from both linux-mips.org and
> kernel.org, on both endianness, and for both 32- and 64-bit kernels.
> It would be nice if somebody could tell me if the real board (I don't
> own one) suffers from the same problem or not, so that I can look for a
> possible bug in QEMU.
> Thanks,
> Aurelien

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