Date: Wed, 27 Apr 2005 12:04:59 -0700 From: Marcel Moolenaar <marcel@xcllnt.net> To: Royce Williams <royce@alaska.net> Cc: kensmith@freebsd.org Subject: Re: 5.4-RCx "jumping to kernel entry" hang on Ultra1/2/30 Message-ID: <20050427190459.GC41874@ns1.xcllnt.net> In-Reply-To: <Pine.SOC.4.61.0504270648130.20306@terminator.alaska.net> References: <Pine.SOC.4.61.0504270648130.20306@terminator.alaska.net>
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On Wed, Apr 27, 2005 at 07:08:52AM -0800, Royce Williams wrote:
>
> On Sun, 17 Apr 2005, IX@pandora.be wrote:
> >
> >
> >On Thu, 14 Apr 2005, Gheorghe Ardelean wrote:
> >
> >>Hi,
> >>
> >>While trying to boot a plain U1 from a disk installed with
> >>5.4-RC2
> >>(the disk was installed in a U5) the systems hangs just
> >>after entering the kernel.
> >
> >
> >I see the same hang on an ultra2, booting from the 5.4RC2
> >bootonly iso. I don't know what details I need to provide.
> >If it's useful, I can send a NetBSD dmesg output.
> >
> >Kind regards,
> >dieter
>
>
> This is happening to me too, 5.4-RC3 disc 1, Ultra 30. I can't
> recreate using 5.2.1R or 5.3R disc 1 ISOs. This is now reportedly
> happening to three different people with three different models. Is
> there a boot-only ISO with full debugging/verbosity available?
I think I have a fix for it, but it needs to be verified that to
really solves the problem before I run off to re@ and shout: "stop
the presses!"
The patch is attached. I just don't know a good way (short of
creating a patched-up 5.4-RC install ISO for people to try it.
Ken: did you build 5.4-RC3 for sparc64 and if yes do you still have
the $CHROOTDIR around?
--
Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net
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Index: uart_dev_z8530.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/uart/uart_dev_z8530.c,v
retrieving revision 1.11
diff -u -r1.11 uart_dev_z8530.c
--- uart_dev_z8530.c 30 Jan 2005 09:00:50 -0000 1.11
+++ uart_dev_z8530.c 20 Apr 2005 21:31:45 -0000
@@ -213,7 +213,7 @@
z8530_putc(struct uart_bas *bas, int c)
{
- while (!(uart_getmreg(bas, RR_BES) & BES_TXE))
+ while (!(uart_getreg(bas, REG_CTRL) & BES_TXE))
;
uart_setreg(bas, REG_DATA, c);
uart_barrier(bas);
@@ -223,7 +223,7 @@
z8530_poll(struct uart_bas *bas)
{
- if (!(uart_getmreg(bas, RR_BES) & BES_RXA))
+ if (!(uart_getreg(bas, REG_CTRL) & BES_RXA))
return (-1);
return (uart_getreg(bas, REG_DATA));
}
@@ -232,7 +232,7 @@
z8530_getc(struct uart_bas *bas)
{
- while (!(uart_getmreg(bas, RR_BES) & BES_RXA))
+ while (!(uart_getreg(bas, REG_CTRL) & BES_RXA))
;
return (uart_getreg(bas, REG_DATA));
}
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