NetBSD Problem Report #54197
From www@netbsd.org Sat May 11 19:37:36 2019
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by mollari.NetBSD.org (Postfix) with ESMTPS id 31C797A158
for <gnats-bugs@gnats.NetBSD.org>; Sat, 11 May 2019 19:37:36 +0000 (UTC)
Message-Id: <20190511193735.3685A7A186@mollari.NetBSD.org>
Date: Sat, 11 May 2019 19:37:35 +0000 (UTC)
From: janprunk@gmail.com
Reply-To: janprunk@gmail.com
To: gnats-bugs@NetBSD.org
Subject: respawning boot message when booting up Lemote Yeeloong 8089
X-Send-Pr-Version: www-1.0
>Number: 54197
>Category: port-evbmips
>Synopsis: respawning boot message when booting up Lemote Yeeloong 8089
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: port-evbmips-maintainer
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sat May 11 19:40:00 +0000 2019
>Last-Modified: Wed Nov 10 21:25:01 +0000 2021
>Originator: Jan Prunk
>Release: 8.0
>Organization:
>Environment:
>Description:
Hello,
I tried to boot up Lemote Yeeloong 8089 by using ungzipped netbsd-INSTALL_LOONGSON from 8.0 release and also from current build (20190511). I followed the description on https://wiki.netbsd.org/ports/evbmips/loongson/ and changed boot.cfg line from "kernel (wd0,0)/netbsd" to "kernel (usb0,0)/netbsd" then in PMON booted with "boot -k (usb0,0)/netbsd-LOONGSON". I also renamed the file netbsd-INSTALL_LOONGSON to netbsd-LOONGSON and placed it to ext2 USB key root partition. I tried to boot from all 3 USB slots. It starts the bootup screen and gets to NetBSD installer menu, but it keeps respawning message "spurious isa interrupt 14" in green letters, which makes it impossible to read the installer. It starts respawning at 2 second after bootup starts. I do not have any console output, since I am unable (don't know how) to connect to the Lemote screen.
>How-To-Repeat:
Test it with Lemote Yeeloong 8089.
>Fix:
>Audit-Trail:
From: Jan Prunk <janprunk@gmail.com>
To: gnats-bugs@netbsd.org
Cc:
Subject: Re: port-evbmips/54197
Date: Sun, 12 May 2019 12:46:26 +0200
--0000000000009e1d580588ae83f0
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The boot procedure was tested on a Lemote Yeeloong 8089 with a missing /
disconnected hard drive. Maybe the ISA interrupt error is related to
unplugged HDD cable? I didn't open the laptop to check it's interior.
Kind regards,
Jan
--0000000000009e1d580588ae83f0
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<div dir=3D"ltr"><div>The boot procedure was tested on a Lemote Yeeloong 80=
89 with a missing / disconnected hard drive. Maybe the ISA interrupt error =
is related to unplugged HDD cable? I didn't open the laptop to check it=
's interior.</div><div><br></div><div>Kind regards,=C2=A0</div><div>Jan=
</div></div>
--0000000000009e1d580588ae83f0--
From: Jan Prunk <janprunk@gmail.com>
To: gnats-bugs@netbsd.org
Cc:
Subject: Re: port-evbmips/54197: respawning boot message when booting up
Lemote Yeeloong 8089
Date: Sun, 12 May 2019 11:08:49 +0200
--0000000000008701640588ad26b7
Content-Type: text/plain; charset="UTF-8"
The boot procedure was tested on a Lemote Yeeloong 8089 with a missing /
disconnected hard drive. Maybe the ISA interrupt error is related to
unplugged HDD cable? I didn't open the laptop to check it's interior.
Kind regards,
Jan
--0000000000008701640588ad26b7
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div>The boot procedure was tested on a Lemote Yeeloong 80=
89 with a missing / disconnected hard drive. Maybe the ISA interrupt error =
is related to unplugged HDD cable? I didn't open the laptop to check it=
's interior.</div><div><br></div><div>Kind regards,=C2=A0</div><div>Jan=
</div></div>
--0000000000008701640588ad26b7--
From: Jan Prunk <janprunk@gmail.com>
To: gnats-bugs@netbsd.org
Cc:
Subject: Re: port-evbmips/54197
Date: Mon, 13 May 2019 09:37:57 +0200
--0000000000006584d50588bfff05
Content-Type: text/plain; charset="UTF-8"
Maybe this is the bugfix for the spurious isa interrupts on Yeeloong's?
https://v4.freshbsd.org/commit/openbsd/src/r4FZmeZEE978i9aM
Kind regards,
Jan
--0000000000006584d50588bfff05
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<div dir=3D"ltr"><div dir=3D"ltr">Maybe this is the bugfix for the spurious=
isa interrupts on Yeeloong's?<br><div><br></div><div><a href=3D"https:=
//v4.freshbsd.org/commit/openbsd/src/r4FZmeZEE978i9aM">https://v4.freshbsd.=
org/commit/openbsd/src/r4FZmeZEE978i9aM</a><br></div><div><br></div><div>Ki=
nd regards,=C2=A0</div><div>Jan</div></div></div>
--0000000000006584d50588bfff05--
From: Jan Prunk <janprunk@gmail.com>
To: gnats-bugs@netbsd.org
Cc:
Subject: Re: port-evbmips/54197
Date: Wed, 10 Nov 2021 22:23:15 +0100
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A solution for this issue might be the following change in code,
=66rom OpenBSD.
1 -
https://github.com/openbsd/src/commit/5114a369c866e511a0af801150b6c3cf09e97=
759
2 -
https://github.com/openbsd/src/commit/5114a369c866e511a0af801150b6c3cf09e97=
759.patch
3 -
https://github.com/openbsd/src/commit/5114a369c866e511a0af801150b6c3cf09e97=
759.diff
4 -
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/loongson/loongson/yee=
loong_machdep.c.diff?r1=3D1.25&r2=3D1.26
---
=46rom 5114a369c866e511a0af801150b6c3cf09e97759 Mon Sep 17 00:00:00 2001
=46rom: visa <visa@openbsd.org>
Date: Tue, 23 May 2017 16:53:15 +0000
Subject: [PATCH] Rate limit messages about spurious ISA interrupts on yeelo=
ong
systems. On suspend, the USB driver is put to polling mode and it no longer
claims interrupt requests. If the USB controller keeps raising new requests
faster than spurious interrupt messages can be printed, interrupt processi=
ng
hogs all CPU time and the suspend code gets stuck. The rate limiting should
prevent this from happening.
Suspend issue with USB Wi-Fi reported by fcambus@
Fix tested by and OK fcambus@
---
sys/arch/loongson/loongson/yeeloong_machdep.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/sys/arch/loongson/loongson/yeeloong_machdep.c b/sys/arch/loong=
son/loongson/yeeloong_machdep.c
index 2b48b92dcf82..5dab0e02181f 100644
--- a/sys/arch/loongson/loongson/yeeloong_machdep.c
+++ b/sys/arch/loongson/loongson/yeeloong_machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: yeeloong_machdep.c,v 1.25 2016/03/06 19:42:27 mpi Exp $ */
+/* $OpenBSD: yeeloong_machdep.c,v 1.26 2017/05/23 16:53:15 visa Exp $ */
=20
/*
* Copyright (c) 2009, 2010 Miodrag Vallat.
@@ -341,6 +341,8 @@ lemote_isa_intr_disestablish(void *v, void *ih)
uint32_t
lemote_isa_intr(uint32_t hwpend, struct trapframe *frame)
{
+ static const struct timeval ierr_interval =3D { 0, 500000 };
+ static struct timeval ierr_last;
uint64_t imr, isr, mask;
int bit;
struct intrhand *ih;
@@ -414,7 +416,8 @@ lemote_isa_intr(uint32_t hwpend, struct trapframe *fram=
e)
if (ret =3D=3D 1)
break;
}
- if (rc =3D=3D 0)
+ if (rc =3D=3D 0 &&
+ ratecheck(&ierr_last, &ierr_interval))
printf("spurious isa interrupt %d\n",
bitno);
=20
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