Use a twiddle to show that we're busy dumping. The initial code
emitted the total number of pages it still had to dump prior to
dumping a block of up to 16 pages. For a 128MB region this would
result in 8M number of printf()s. Barf!
The problem in general is that memory typically has one really
big region and a number of "scattered" smaller regions. Some may
even be just a few pages. The twiddle works best for now, but
it doesn't really give a good progress indication for the large
regions. Those are the cases where you definitely want good PI
to avoid having the user turn into a twiddle :-)
brelse() was improperly clearing B_DELWRI in the B_DELWRI|B_INVAL case
without removing the buffer from the vnode's dirty buffer list, which
can result in a panic in NFS. Replaced the code with a call to bundirty()
which deals with it properly.
PR: kern/36108, kern/36174
Submitted by: various people
Special mention: to Danny Schales <dan@coes.LaTech.edu> for providing a core dump that helped me track this down.
MFC after: 1 day
des [Tue, 2 Apr 2002 23:26:32 +0000 (23:26 +0000)]
Revert to open hashing. It makes the code simpler, and works farily well
even when the number of records approaches the size of the hash table.
Besides, the previous implementation (using linear probing) was broken :)
- Move the MI mutexes sched_lock and Giant from being declared in the
various machdep.c's to being declared in kern_mutex.c.
- Add a new function mutex_init() used to perform early initialization
needed for mutexes such as setting up thread0's contested lock list
and initializing MI mutexes. Change the various MD startup routines
to call this function instead of duplicating all the code themselves.
des [Tue, 2 Apr 2002 21:53:54 +0000 (21:53 +0000)]
Change the FreeBSD version addendum to "FreeBSD-20020402". This shortens
the version string to 28 characters, which is below the 40-character limit
specified in the proposed SECSH standard. Some servers, however (like the
one built into the Foundry BigIron line of switches) will hang when
confronted with a version string longer than 24 characters, so some users
may need to shorten it further.
Switch to using XFree86 version 4. We do this thru installing the package,
so know we have proper PKG registration and dependency information.
This is a WIP for 5.0 DP #1, so it is still rough around the edges and
does not GC the old XFree86 3.3.6 handling stuff that should be GC'ed.
Sponsored by: FreeBSD Mall, Inc.
When reading a UFS-style label from a floppy, don't attempt to use a
"raw partition" of any kind since the floppy driver doesn't support
UFS-style partitions at all.
Reported by: "Crist J. Clark" <crist.clark@attbi.com>
Reviewed by: bde
MFC after: 3 days
Fix crashes that would happen when more than one 4MB page was used to
hold the kernel text, data and loader metadata by not using a fixed slot
to store the TSB page(s) into. Enter fake 8k page entries into the kernel
TSB that cover the 4M kernel page(s), sot that pmap_kenter() will work
without having to treat these pages as a special case.
Problem reported by: mjacob, obrien
Problem spotted and 4M page handling proposed by: jake
Do not try to set up the PCI bus B error interrupt on "sabre"s, since
it is only available on "psycho"s. The same applies to the power
management interrupt, which is not enabled by default though.
- Add notes about SX_SYSINIT and MTX_SYSINIT in order to document the
recent additions of these macros.
- Add in a MLINK to create SX_SYSINIT.9 and MTX_SYSINIT.9.
1.) Rename locore.s to locore.S (by repocopy), to be able to remove
special-case make rule
2.) Cleanups, remove superfluous expicit rules, add -nostdlib to LDFLAGS,
remove -X and -g, remove -g from CFLAGS
3.) Add BINDIR
4.) Build install the loader help file, add an empty help.sparc64
5.) Change the default configuration to only support booting from disk
6.) Get libofw.a from a path relative ${.OBJDIR}, not ${.CURDIR}
- Add MTX_SYSINIT and SX_SYSINIT as macro glue for allowing sx and mtx
locks to be able to setup a SYSINIT call. This helps in places where
a lock is needed to protect some data, but the data is not truly
associated with a subsystem that can properly initialize it's lock.
The macros use the mtx_sysinit() and sx_sysinit() functions,
respectively, as the handler argument to SYSINIT().
Fix recent fixit.flp flood:
- don't make device files since we are in the DEVFS era.
(for the last resort, fixit.flp still has /dev/MAKEDEV.)
- increase FIXITINODE size to 10 times (40000).
After this change, we have 42kbytes of free space, and 38
of free inodes (confirmed with 5.0-CURRENT-20020327-JPSNAP).
Since 4-stable doesn't have DEVFS, we can't MFC this (except FIXITINODE).
des [Tue, 2 Apr 2002 14:42:01 +0000 (14:42 +0000)]
Instead of get_cyclecount(9), use nanotime(9) to record acquisition and
release times. Measurements are made and stored in nanoseconds but
presented in microseconds, which should be sufficient for the locks for
which we actually want this (those that are held long and / or often).
Also, rename some variables and structure members to unit-agnostic names.
joe [Tue, 2 Apr 2002 14:16:06 +0000 (14:16 +0000)]
MFNetBSD:
revision 1.89
date: 2001/11/10 17:10:42; author: augustss; state: Exp; lines: +2 -1
Abort any xfers on the control pipe before closing it on detach.
joe [Tue, 2 Apr 2002 14:08:43 +0000 (14:08 +0000)]
MFNetBSD: usb_subr.c (1.87), usbdi.h (1.53)
date: 2001/08/15 00:04:59; author: augustss;
Add a little infrastructure so that individual drivers can easily check
if thee was a vendor+product locator match.
joe [Tue, 2 Apr 2002 13:26:40 +0000 (13:26 +0000)]
Reduce differences between NetBSD's version and ours.
(Should be all white space related, but there's the removal of the
odd 'register' directive also).
The above command line will fail on -CURRENT or -STABLE, and
therefore, so will sysinstall if you try to install additional
packages through the network (FTP) from a multiuser system. Because
of the different environment during installation (wrt the playpen),
this bug does not manifest itself during initial installs, and users
may install packages from the network just fine at that time.
This bug was fixed in OpenBSD 4 years ago.
----------------------------
revision 1.4
date: 1998/04/07 05:56:13; author: marc; state: Exp; lines: +13 -8
fix package input from standard input -- the program tried to process
stdin twice. Note: it assumes stdin is a compressed tar file.
----------------------------
joe [Tue, 2 Apr 2002 10:53:42 +0000 (10:53 +0000)]
MFNetBSD:
revision 1.50
date: 2001/04/12 01:18:24; author: thorpej; state: Exp; lines: +6 -2
Only if __HAVE_GENERIC_SOFT_INTERRUPTS is then splusb == splsoftnet
(because we register the interrupt with IPL_SOFTNET). However, if
we're using a callout, then splusb == splsoftclock (because the
callouts happen from the softclock interrupt).
Note that splsoftnet blocks softclock interrupts, but this is
meant to better describe what's going on.
Initial implementation of the ia64 kernel dumper. The dumper
constructs an ELF image, consisting of the ELF header, for
each memory region a program header, followed by the memory
contents for each region. It does blocked I/O for the headers
as they are typically smaller than DEV_BSIZE.
joe [Tue, 2 Apr 2002 09:49:36 +0000 (09:49 +0000)]
MFNetBSD: uhub.c (1.49), usb.c (1.51), usbdi.h (1.48), usbdivar.h (1.63)
date: 2001/01/21 19:00:06; author: augustss;
Change the operation of the USB event thread. Before it only
performed USB device discovery, now it can also perform (short)
tasks for device drivers that need a process context, but don't
have one. This is not pretty, but better than using busy-wait
in an interrupt context.
First cut at breaking out the bus attachment from the bus independent
part of the driver. Also, move the softc and some other stuff to
if_wivar.h from if_wireg.h to make future merging activities easier.
des [Tue, 2 Apr 2002 00:01:49 +0000 (00:01 +0000)]
Mutex profiling code, conditional on the MUTEX_PROFILING option. Adds the
following sysctl variables:
debug.mutex.prof.enable enable / disable profiling
debug.mutex.prof.acquisitions number of mutex acquisitions recorded
debug.mutex.prof.records number of acquisition points recorded
debug.mutex.prof.maxrecords max number of acquisition points
debug.mutex.prof.rejected number of rejections (due to full table)
debug.mutex.prof.hashsize hash size
debug.mutex.prof.collisions number of hash collisions
debug.mutex.prof.stats profiling statistics
The code records four numbers for each acquisition point (identified by
source file name and line number): longest time held, total time held,
number of non-recursive acquisitions, average time held. The measurements
are in clock cycles (as returned by get_cyclecount(9)); this may cause
measurements on some SMP systems to be unreliable. This can probably be
worked around by replacing get_cyclecount(9) by some incarnation of
nanotime(9).
This work was derived from initial patches by eivind.
Stage-2 commit of the critical*() code. This re-inlines cpu_critical_enter()
and cpu_critical_exit() and moves associated critical prototypes into their
own header file, <arch>/<arch>/critical.h, which is only included by the
three MI source files that need it.
Backout and re-apply improperly comitted syntactical cleanups made to files
that were still under active development. Backout improperly comitted program
structure changes that moved localized declarations to the top of two
procedures. Partially re-apply one of the program structure changes to
move 'mask' into an intermediate block rather then in three separate
sub-blocks to make the code more readable. Re-integrate bug fixes that Jake
made to the sparc64 code.
Note: In general, developers should not gratuitously move declarations out
of sub-blocks. They are where they are for reasons of structure, grouping,
readability, compiler-localizability, and to avoid developer-introduced bugs
similar to several found in recent years in the VFS and VM code.
joe [Mon, 1 Apr 2002 21:56:42 +0000 (21:56 +0000)]
MFNetBSD:
revision 1.138
date: 2001/10/02 17:59:38; author: pooka; state: Exp; lines: +6 -6
move DIAGNOSTIC-printf up one block to make it reachable
noted by Christophe Kalt in private email
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