NetBSD Problem Report #46890
From kilbi@kilbi.de Sun Sep 2 16:35:19 2012
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Message-Id: <20120902163450.53A6A391FE@mail.kilbi.de>
Date: Sun, 2 Sep 2012 18:34:49 +0200 (MEST)
From: mk@kilbi.de
Reply-To: mk@kilbi.de
To: gnats-bugs@gnats.NetBSD.org
Subject: netbsd-6 / 6.0_RC1 very unstable / unusable on (my) cobalt qube 2
X-Send-Pr-Version: 3.95
>Number: 46890
>Category: port-cobalt
>Synopsis: upcoming NetBSD 6.0 release is very unstable / unusable on cobalt qube 2
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: port-cobalt-maintainer
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sun Sep 02 16:40:01 +0000 2012
>Closed-Date: Sat Jul 12 20:08:31 +0000 2014
>Last-Modified: Wed Nov 08 21:25:02 +0000 2017
>Originator: Markus W Kilbinger
>Release: NetBSD 6.0_RC1 (GENERIC)
>Organization:
and those who don't.
>Environment:
System: NetBSD q2 6.0_RC1 NetBSD 6.0_RC1 (GENERIC) cobalt
Architecture: mipsel
Machine: cobalt
>Description:
My cobalt qube 2 happily runs netbsd-5 (kernel and userland)
many month now.
Every now and then I've tried to run an actual netbsd-6 kernel
with / on its netbsd-5 userland what failed with a complete
unstable system where at the end all binaries dumped core
(some incompatibilities I thought and waited).
Now, with 6.0_RC1 I've setup up a fresh / clean cobalt netbsd
system based on kern-GENERIC.tgz, base.tgz and etc.tgz from
http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-6/201209010830Z/cobalt/binary/sets/
and booted my replacement qube 2 via NFS:
[...]
13.Ethernet Test...........................PASS
16.RTC Test................................PASS
Cobalt: bfd /boot.gz nfsroot=/usr/u/export/q2/root
Decompressing done
Executing bootloader kernel...
Decompressing -- done.
>> NetBSD/cobalt 6.0_RC1 Bootloader, Revision 1.0 [@0x80f00000]
>> Model: Cobalt Qube 2
>> Memory: 65536 k
>> PROM boot string: root=/dev/hda1 ro nfsroot=/usr/u/export/q2/root
Boot [nfs:netbsd]:
Loading: nfs:netbsd
4086352+130680 [225824+224538]=0x473d94
Starting at 0x80001000
pmap_steal_memory: seg 0: 0x474 0x474 0x3ffe 0x3ffe
pmap_steal_memory: seg 0: 0x497 0x497 0x3ffe 0x3ffe
pmap_steal_memory: seg 0: 0x499 0x499 0x3ffe 0x3ffe
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2007, 2008, 2009, 2010, 2011, 2012
The NetBSD Foundation, Inc. All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
NetBSD 6.0_RC1 (GENERIC)
Cobalt Qube 2
total memory = 65536 KB
avail memory = 59596 KB
mainbus0 (root)
com0 at mainbus0 addr 0x1c800000 level 3: st16650a, working fifo
[...]
wd0 at atabus0 drive 0
wd0: <IBM-DTLA-307045>
wd0: 43979 MB, 89355 cyl, 16 head, 63 sec, 512 bytes/sect x 90069840 sectors
boot device: tlp0
root on tlp0
nfs_boot: trying DHCP/BOOTP
nfs_boot: DHCP next-server: 172.27.64.183
nfs_boot: my_name=q2
nfs_boot: my_domain=kilbi.de
nfs_boot: my_addr=172.27.64.137
nfs_boot: my_mask=255.255.0.0
nfs_boot: gateway=172.27.64.107
root on 172.27.64.183:/usr/u/export/q2/root
root file system type: nfs
pid 1(init): ABI set to O32 (e_flags=0x1007)
/etc/rc.conf is not configured. Multiuser boot aborted.
Enter pathname of shell or RETURN for /bin/sh:
... what looked quite normal.
Then I've mounted its local harddisk:
mount -o log /dev/wd0f /mnt
... and started a simple test run by unpacking a tar-archive on it:
# cd /mnt/tmp/
# pax -zrpe -f perl-5.14.2.tar.gz
... which lead to some unexpected messages / errors after some
time:
pax: Unable to store mode and times for directory: perl-5.14.2/t/re
pax: Cannot malloc 29 bytes (Cannot allocate memory)
pax: Cannot malloc 32 bytes (Cannot allocate memory)
pax: Cannot malloc 30 bytes (Cannot allocate memory)
pax: Cannot malloc 32 bytes (Cannot allocate memory)
pax: Unable to store mode and times for directory: perl-5.14.2/t/uni
pax: Cannot malloc 31 bytes (Cannot allocate memory)
pax: Cannot malloc 32 bytes (Cannot allocate memory)
pax: Cannot malloc 31 bytes (Cannot allocate memory)
pax: Unable to store mode and times for directory: perl-5.14.2/t/op
pax: Cannot malloc 32 bytes (Cannot allocate memory)
pax: Cannot malloc 32 bytes (Cannot allocate memory)
pax: Cannot malloc 32 bytes (Cannot allocate memory)
pax: Cannot malloc 29 bytes (Cannot allocate memory)
pax: Cannot malloc 31 bytes (Cannot allocate memory)
[...]
pax: Cannot set permissions on (No such file or directory)
pax: Access/modification time set failed on: (No such file or directory)
pax: Cannot set permissions on (No such file or directory)
pax: Access/modification time set failed on: (No such file or directory)
Memory fault (core dumped)
At that point (at least I have a prompt) nearly all binaries
dump core, e.g.:
# ls -la
Memory fault (core dumped)
All running services (telnet, ftp, sshd et al.) first respond
to some stage, later become unresponsive. Finally the whole
machine hangs...
I can enter ddb at this stage (, but do not know what to
investigate; maybe, someone tells me ...).
How do other mips machines behave (cobalt specific?)?
>How-To-Repeat:
Try to run (at least a) netbsd-6 (kernel) on a cobalt qube
(2), produce some (i/o) activity (e. g. unpacking a larger
tar-archive) and see how above mentioned errors appear and the
whole system becomes more and more unstable / unresponsive.
>Fix:
Unknown.
>Release-Note:
>Audit-Trail:
From: David Holland <dholland-bugs@netbsd.org>
To: gnats-bugs@NetBSD.org
Cc:
Subject: Re: port-cobalt/46890: netbsd-6 / 6.0_RC1 very unstable / unusable
on (my) cobalt qube 2
Date: Sun, 2 Sep 2012 20:13:08 +0000
On Sun, Sep 02, 2012 at 04:40:01PM +0000, mk@kilbi.de wrote:
> # cd /mnt/tmp/
> # pax -zrpe -f perl-5.14.2.tar.gz
>
> ... which lead to some unexpected messages / errors after some
> time:
>
> pax: Unable to store mode and times for directory: perl-5.14.2/t/re
> pax: Cannot malloc 29 bytes (Cannot allocate memory)
> pax: Cannot malloc 32 bytes (Cannot allocate memory)
> pax: Cannot malloc 30 bytes (Cannot allocate memory)
> pax: Cannot malloc 32 bytes (Cannot allocate memory)
Sounds like something very bad in pmap-land, or maybe something wrong
with cache flushing.
Does it go down the drain if there's no (or nearly no) disk I/O?
--
David A. Holland
dholland@netbsd.org
From: =?iso-8859-1?Q?R=E9mi_Zara?= <remi_zara@mac.com>
To: gnats-bugs@NetBSD.org
Cc: dholland-bugs@netbsd.org
Subject: Re: port-cobalt/46890: netbsd-6 / 6.0_RC1 very unstable / unusable on (my) cobalt qube 2
Date: Wed, 20 Feb 2013 09:55:55 +0100
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Hi,
I would say that disk I/O seems to be a factor in instability. Could you =
recommend a test to run to confirm this ?
Regards,
R=E9mi Zara=
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From: "Nick Hudson" <skrll@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc:
Subject: PR/46890 CVS commit: src/sys/arch/mips/mips
Date: Wed, 23 Apr 2014 20:57:16 +0000
Module Name: src
Committed By: skrll
Date: Wed Apr 23 20:57:15 UTC 2014
Modified Files:
src/sys/arch/mips/mips: pmap.c vm_machdep.c
Log Message:
Fix a logic inversion introduced with the matt-nb5-mips64 for
pmap_{zero,copy}_page cache alias handing. The check previously used
PG_MD_UNCACHED_P, where it now uses PG_MD_CACHED_P, when considering if
a cache invalidation is required.
Additionally flush the cache for the uarea va to avoid potential (future)
cache aliases in cpu_uarea_free when handing pages back to uvm for later
use.
ok matt@
Hopefully this addresses the instability reported in the following PRs:
PR/44900 - R5000/Rm5200 mips ports are broken
PR/46170 - NetBSD/cobalt 6.0_BETA does not boot
PR/46890 - upcoming NetBSD 6.0 release is very unstable / unusable on cobalt qube 2
PR/48628 - cobalt and hpcmips ports are dead
To generate a diff of this commit:
cvs rdiff -u -r1.209 -r1.210 src/sys/arch/mips/mips/pmap.c
cvs rdiff -u -r1.142 -r1.143 src/sys/arch/mips/mips/vm_machdep.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
State-Changed-From-To: open->feedback
State-Changed-By: skrll@NetBSD.org
State-Changed-When: Wed, 23 Apr 2014 21:02:53 +0000
State-Changed-Why:
Please try -current (or netbsd-6 with
cvs rdiff -u -r1.209 -r1.210 src/sys/arch/mips/mips/pmap.c
cvs rdiff -u -r1.142 -r1.143 src/sys/arch/mips/mips/vm_machdep.c
applied)
From: "Nick Hudson" <skrll@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc:
Subject: PR/46890 CVS commit: src/sys/arch/mips
Date: Sun, 11 May 2014 07:53:28 +0000
Module Name: src
Committed By: skrll
Date: Sun May 11 07:53:28 UTC 2014
Modified Files:
src/sys/arch/mips/include: pmap.h
src/sys/arch/mips/mips: pmap.c pmap_segtab.c
Log Message:
Deal with incompatible cache aliases. Specifically,
- always flush an ephemeral page on unmap
- track unmanaged mappings (mappings entered via pmap_kenter_pa) for
aliases where required and handle appropriately (via pmap_enter_pv)
Hopefully this (finally) addresses the instability reported in the
following PRs:
PR/44900 - R5000/Rm5200 mips ports are broken
PR/46890 - upcoming NetBSD 6.0 release is very unstable / unusable on cobalt qube 2
PR/48628 - cobalt and hpcmips ports are dead
To generate a diff of this commit:
cvs rdiff -u -r1.62 -r1.63 src/sys/arch/mips/include/pmap.h
cvs rdiff -u -r1.213 -r1.214 src/sys/arch/mips/mips/pmap.c
cvs rdiff -u -r1.7 -r1.8 src/sys/arch/mips/mips/pmap_segtab.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
From: Markus Kilbinger <mk@kilbi.de>
To: gnats-bugs@NetBSD.org,Nick Hudson <skrll@netbsd.org>,port-cobalt-maintainer@netbsd.org,gnats-admin@netbsd.org,netbsd-bugs@netbsd.org
Cc:
Subject: Re: PR/46890 CVS commit: src/sys/arch/mips
Date: Mon, 12 May 2014 20:49:44 +0200
------B87C9IG923TRIYK1MVTTTJU2PDS07V
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On 11. Mai 2014 09:55:00 MESZ, Nick Hudson <skrll@netbsd.org> wrote:
>The following reply was made to PR port-cobalt/46890; it has been noted
>by GNATS.
>
>From: "Nick Hudson" <skrll@netbsd.org>
>To: gnats-bugs@gnats.NetBSD.org
>Cc:
>Subject: PR/46890 CVS commit: src/sys/arch/mips
>Date: Sun, 11 May 2014 07:53:28 +0000
>
> Module Name: src
> Committed By: skrll
> Date: Sun May 11 07:53:28 UTC 2014
>
> Modified Files:
> src/sys/arch/mips/include: pmap.h
> src/sys/arch/mips/mips: pmap.c pmap_segtab.c
>
> Log Message:
> Deal with incompatible cache aliases. Specifically,
>
> - always flush an ephemeral page on unmap
> - track unmanaged mappings (mappings entered via pmap_kenter_pa) for
> aliases where required and handle appropriately (via pmap_enter_pv)
>
> Hopefully this (finally) addresses the instability reported in the
> following PRs:
>
> PR/44900 - R5000/Rm5200 mips ports are broken
>PR/46890 - upcoming NetBSD 6.0 release is very unstable / unusable on
>cobalt qube 2
> PR/48628 - cobalt and hpcmips ports are dead
>
>
> To generate a diff of this commit:
> cvs rdiff -u -r1.62 -r1.63 src/sys/arch/mips/include/pmap.h
> cvs rdiff -u -r1.213 -r1.214 src/sys/arch/mips/mips/pmap.c
> cvs rdiff -u -r1.7 -r1.8 src/sys/arch/mips/mips/pmap_segtab.c
>
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.
>
A current kernel and userland (6.99.41) with these changes seem to run fine again on my cobalt qube 2.
Thanks!
BTW: What about the GENERIC64 kernel and cobalt64 userland? It seem to compile für, but the kernel panics quite early during Boot up. -> send-pr?
Regards, Markus.
--
Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet.
------B87C9IG923TRIYK1MVTTTJU2PDS07V
Content-Type: text/html;
charset=utf-8
Content-Transfer-Encoding: 8bit
On 11. Mai 2014 09:55:00 MESZ, Nick Hudson <skrll@netbsd.org> wrote:<br>
>The following reply was made to PR port-cobalt/46890; it has been noted<br>
>by GNATS.<br>
><br>
>From: "Nick Hudson" <skrll@netbsd.org><br>
>To: gnats-bugs@gnats.NetBSD.org<br>
>Cc: <br>
>Subject: PR/46890 CVS commit: src/sys/arch/mips<br>
>Date: Sun, 11 May 2014 07:53:28 +0000<br>
><br>
> Module Name: src<br>
> Committed By: skrll<br>
> Date: Sun May 11 07:53:28 UTC 2014<br>
> <br>
> Modified Files:<br>
> src/sys/arch/mips/include: pmap.h<br>
> src/sys/arch/mips/mips: pmap.c pmap_segtab.c<br>
> <br>
> Log Message:<br>
> Deal with incompatible cache aliases. Specifically,<br>
> <br>
> - always flush an ephemeral page on unmap<br>
> - track unmanaged mappings (mappings entered via pmap_kenter_pa) for<br>
> aliases where required and handle appropriately (via pmap_enter_pv)<br>
> <br>
> Hopefully this (finally) addresses the instability reported in the<br>
> following PRs:<br>
> <br>
> PR/44900 - R5000/Rm5200 mips ports are broken<br>
>PR/46890 - upcoming NetBSD 6.0 release is very unstable / unusable on<br>
>cobalt qube 2<br>
> PR/48628 - cobalt and hpcmips ports are dead<br>
> <br>
> <br>
> To generate a diff of this commit:<br>
> cvs rdiff -u -r1.62 -r1.63 src/sys/arch/mips/include/pmap.h<br>
> cvs rdiff -u -r1.213 -r1.214 src/sys/arch/mips/mips/pmap.c<br>
> cvs rdiff -u -r1.7 -r1.8 src/sys/arch/mips/mips/pmap_segtab.c<br>
> <br>
> Please note that diffs are not public domain; they are subject to the<br>
> copyright notices on the relevant files.<br>
> <br>
<br>
A current kernel and userland (6.99.41) with these changes seem to run fine again on my cobalt qube 2.<br>
Thanks!<br>
<br>
BTW: What about the GENERIC64 kernel and cobalt64 userland? It seem to compile für, but the kernel panics quite early during Boot up. -> send-pr?<br>
<br>
Regards, Markus.<br>
-- <br>
Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet.
------B87C9IG923TRIYK1MVTTTJU2PDS07V--
From: Markus Kilbinger <mk@kilbi.de>
To: gnats-bugs@NetBSD.org,Nick Hudson <skrll@netbsd.org>,port-cobalt-maintainer@netbsd.org,gnats-admin@netbsd.org,netbsd-bugs@netbsd.org
Cc:
Subject: Re: PR/46890 CVS commit: src/sys/arch/mips
Date: Mon, 12 May 2014 20:46:13 +0200
On 11. Mai 2014 09:55:00 MESZ, Nick Hudson <skrll@netbsd.org> wrote:
>The following reply was made to PR port-cobalt/46890; it has been noted
>by GNATS.
>
>From: "Nick Hudson" <skrll@netbsd.org>
>To: gnats-bugs@gnats.NetBSD.org
>Cc:
>Subject: PR/46890 CVS commit: src/sys/arch/mips
>Date: Sun, 11 May 2014 07:53:28 +0000
>
> Module Name: src
> Committed By: skrll
> Date: Sun May 11 07:53:28 UTC 2014
>
> Modified Files:
> src/sys/arch/mips/include: pmap.h
> src/sys/arch/mips/mips: pmap.c pmap_segtab.c
>
> Log Message:
> Deal with incompatible cache aliases. Specifically,
>
> - always flush an ephemeral page on unmap
> - track unmanaged mappings (mappings entered via pmap_kenter_pa) for
> aliases where required and handle appropriately (via pmap_enter_pv)
>
> Hopefully this (finally) addresses the instability reported in the
> following PRs:
>
> PR/44900 - R5000/Rm5200 mips ports are broken
>PR/46890 - upcoming NetBSD 6.0 release is very unstable / unusable on
>cobalt qube 2
> PR/48628 - cobalt and hpcmips ports are dead
>
>
> To generate a diff of this commit:
> cvs rdiff -u -r1.62 -r1.63 src/sys/arch/mips/include/pmap.h
> cvs rdiff -u -r1.213 -r1.214 src/sys/arch/mips/mips/pmap.c
> cvs rdiff -u -r1.7 -r1.8 src/sys/arch/mips/mips/pmap_segtab.c
>
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.
>
A current kernel and userland (6.99.41) with these changes seem to run fine again on my cobalt qube 2.
Thanks!
BTW: What about the GENERIC64 kernel and cobalt64 userland? It seem to compile für, but the kernel panics quite early during Boot up. -> send-pr?
Regards, Markus.
From: "Manuel Bouyer" <bouyer@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc:
Subject: PR/46890 CVS commit: [netbsd-6] src/sys/arch/mips/mips
Date: Wed, 21 May 2014 20:39:17 +0000
Module Name: src
Committed By: bouyer
Date: Wed May 21 20:39:17 UTC 2014
Modified Files:
src/sys/arch/mips/mips [netbsd-6]: pmap.c vm_machdep.c
Log Message:
Pull up following revision(s) (requested by skrll in ticket #1056):
sys/arch/mips/mips/pmap.c: revision 1.211
sys/arch/mips/mips/pmap.c: revision 1.212
sys/arch/mips/mips/pmap.c: revision 1.213
sys/arch/mips/mips/vm_machdep.c: revision 1.143
sys/arch/mips/mips/pmap.c: revision 1.210
Fix a logic inversion introduced with the matt-nb5-mips64 for
pmap_{zero,copy}_page cache alias handing. The check previously used
PG_MD_UNCACHED_P, where it now uses PG_MD_CACHED_P, when considering if
a cache invalidation is required.
Additionally flush the cache for the uarea va to avoid potential (future)
cache aliases in cpu_uarea_free when handing pages back to uvm for later
use.
ok matt@
Hopefully this addresses the instability reported in the following PRs:
PR/44900 - R5000/Rm5200 mips ports are broken
PR/46170 - NetBSD/cobalt 6.0_BETA does not boot
PR/46890 - upcoming NetBSD 6.0 release is very unstable / unusable on cobalt qube 2
PR/48628 - cobalt and hpcmips ports are dead
Grab pv_list lock in pmap_unmap_ephemeral_page only when needed.
Make PARANOIADIAG compile.
Use pmap_tlb_asid_check to reduce code c&p.
To generate a diff of this commit:
cvs rdiff -u -r1.207.2.1 -r1.207.2.2 src/sys/arch/mips/mips/pmap.c
cvs rdiff -u -r1.141 -r1.141.8.1 src/sys/arch/mips/mips/vm_machdep.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
State-Changed-From-To: feedback->closed
State-Changed-By: dholland@NetBSD.org
State-Changed-When: Mon, 02 Jun 2014 01:22:32 +0000
State-Changed-Why:
Fixed (and pulled up) finally, thanks.
From: David Holland <dholland-bugs@netbsd.org>
To: gnats-bugs@NetBSD.org
Cc:
Subject: Re: PR/46890 CVS commit: src/sys/arch/mips
Date: Mon, 2 Jun 2014 01:21:59 +0000
On Mon, May 12, 2014 at 09:05:00PM +0000, Markus Kilbinger wrote:
> BTW: What about the GENERIC64 kernel and cobalt64 userland? It
> seem to compile für, but the kernel panics quite early during Boot
> up. -> send-pr?
Yes please...
--
David A. Holland
dholland@netbsd.org
State-Changed-From-To: closed->pending-pullups
State-Changed-By: skrll@NetBSD.org
State-Changed-When: Mon, 02 Jun 2014 07:42:19 +0000
State-Changed-Why:
Need ticket #1068
From: "SAITOH Masanobu" <msaitoh@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc:
Subject: PR/46890 CVS commit: [netbsd-6] src/sys/arch/mips
Date: Wed, 11 Jun 2014 15:38:05 +0000
Module Name: src
Committed By: msaitoh
Date: Wed Jun 11 15:38:05 UTC 2014
Modified Files:
src/sys/arch/mips/include [netbsd-6]: pmap.h
src/sys/arch/mips/mips [netbsd-6]: pmap.c pmap_segtab.c
Log Message:
Pull up following revision(s) (requested by skrll in ticket #1068):
sys/arch/mips/mips/pmap.c: revision 1.214
sys/arch/mips/include/pmap.h: revision 1.63
sys/arch/mips/mips/pmap_segtab.c: revision 1.8
Deal with incompatible cache aliases. Specifically,
- always flush an ephemeral page on unmap
- track unmanaged mappings (mappings entered via pmap_kenter_pa) for
aliases where required and handle appropriately (via pmap_enter_pv)
Hopefully this (finally) addresses the instability reported in the
following PRs:
PR/44900 - R5000/Rm5200 mips ports are broken
PR/46890 - upcoming NetBSD 6.0 release is very unstable/unusable on cobalt qube2
PR/48628 - cobalt and hpcmips ports are dead
To generate a diff of this commit:
cvs rdiff -u -r1.61.8.1 -r1.61.8.2 src/sys/arch/mips/include/pmap.h
cvs rdiff -u -r1.207.2.2 -r1.207.2.3 src/sys/arch/mips/mips/pmap.c
cvs rdiff -u -r1.4.2.1 -r1.4.2.2 src/sys/arch/mips/mips/pmap_segtab.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
State-Changed-From-To: pending-pullups->closed
State-Changed-By: dholland@NetBSD.org
State-Changed-When: Sat, 12 Jul 2014 20:08:31 +0000
State-Changed-Why:
pullup was done a month ago
From: "Soren Jacobsen" <snj@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc:
Subject: PR/46890 CVS commit: [netbsd-6-0] src/sys/arch/mips
Date: Wed, 8 Nov 2017 21:22:48 +0000
Module Name: src
Committed By: snj
Date: Wed Nov 8 21:22:48 UTC 2017
Modified Files:
src/sys/arch/mips/include [netbsd-6-0]: pmap.h
src/sys/arch/mips/mips [netbsd-6-0]: pmap.c pmap_segtab.c
Log Message:
Pull up following revision(s) (requested by skrll in ticket #1068):
sys/arch/mips/include/pmap.h: revision 1.63
sys/arch/mips/mips/pmap.c: revision 1.214
sys/arch/mips/mips/pmap_segtab.c: revision 1.8
Deal with incompatible cache aliases. Specifically,
- always flush an ephemeral page on unmap
- track unmanaged mappings (mappings entered via pmap_kenter_pa) for
aliases where required and handle appropriately (via pmap_enter_pv)
Hopefully this (finally) addresses the instability reported in the
following PRs:
PR/44900 - R5000/Rm5200 mips ports are broken
PR/46890 - upcoming NetBSD 6.0 release is very unstable / unusable on cobalt qube 2
PR/48628 - cobalt and hpcmips ports are dead
To generate a diff of this commit:
cvs rdiff -u -r1.61.8.1 -r1.61.8.1.4.1 src/sys/arch/mips/include/pmap.h
cvs rdiff -u -r1.207.2.1.4.1 -r1.207.2.1.4.2 src/sys/arch/mips/mips/pmap.c
cvs rdiff -u -r1.4.2.1 -r1.4.2.1.4.1 src/sys/arch/mips/mips/pmap_segtab.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
From: "Soren Jacobsen" <snj@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc:
Subject: PR/46890 CVS commit: [netbsd-6-1] src/sys/arch/mips
Date: Wed, 8 Nov 2017 21:22:58 +0000
Module Name: src
Committed By: snj
Date: Wed Nov 8 21:22:58 UTC 2017
Modified Files:
src/sys/arch/mips/include [netbsd-6-1]: pmap.h
src/sys/arch/mips/mips [netbsd-6-1]: pmap.c pmap_segtab.c
Log Message:
Pull up following revision(s) (requested by skrll in ticket #1068):
sys/arch/mips/include/pmap.h: revision 1.63
sys/arch/mips/mips/pmap.c: revision 1.214
sys/arch/mips/mips/pmap_segtab.c: revision 1.8
Deal with incompatible cache aliases. Specifically,
- always flush an ephemeral page on unmap
- track unmanaged mappings (mappings entered via pmap_kenter_pa) for
aliases where required and handle appropriately (via pmap_enter_pv)
Hopefully this (finally) addresses the instability reported in the
following PRs:
PR/44900 - R5000/Rm5200 mips ports are broken
PR/46890 - upcoming NetBSD 6.0 release is very unstable / unusable on cobalt qube 2
PR/48628 - cobalt and hpcmips ports are dead
To generate a diff of this commit:
cvs rdiff -u -r1.61.8.1 -r1.61.8.1.6.1 src/sys/arch/mips/include/pmap.h
cvs rdiff -u -r1.207.2.1.6.1 -r1.207.2.1.6.2 src/sys/arch/mips/mips/pmap.c
cvs rdiff -u -r1.4.2.1 -r1.4.2.1.6.1 src/sys/arch/mips/mips/pmap_segtab.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
>Unformatted:
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