| To: | Chris Dearman <chris@mips.com> |
|---|---|
| Subject: | Re: [MIPS] SMTC: Fix crash on bootup with idebus= command line argument. |
| From: | Ralf Baechle <ralf@linux-mips.org> |
| Date: | Tue, 4 Sep 2007 13:50:10 +0100 |
| Cc: | Atsushi Nemoto <anemo@mba.ocn.ne.jp>, linux-mips@linux-mips.org |
| In-reply-to: | <46DC2D2E.8080408@mips.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <S20024438AbXHGQ1m/20070807162742Z+2733@ftp.linux-mips.org> <20070904.000501.41013092.anemo@mba.ocn.ne.jp> <46DC2D2E.8080408@mips.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.5.14 (2007-02-12) |
On Mon, Sep 03, 2007 at 04:50:06PM +0100, Chris Dearman wrote: > Atsushi Nemoto wrote: > >Why pci_get_class() in ide_default_io_base() cause crash on SMTC? > > The bug wasn't really SMTC specific, it was just that it showed up on > SMTC builds. The failure was caused by the early parsing of the > idebus=xx argument. The argument parser ended up calling > pci_scan that unconditionally enabled interrupts prematurely. Which at the time did also happen for x86 - it just happened to be a harmless bug there. Ralf |
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