| History log of /src/sys/kern/subr_lockdebug.c |
| Revision | | Date | Author | Comments |
| 1.83 |
| 02-Sep-2022 |
nakayama | Fix "error: cast from pointer to integer of different size" on
sparc build.
|
| 1.82 |
| 31-Aug-2022 |
msaitoh | Fix previous to make it compile again.
|
| 1.81 |
| 30-Aug-2022 |
riastradh | lockdebug(9): Try to show symbol names if possible.
Also print the possible owner in ddb/crash `show lock' even if the
kernel is built without LOCKDEBUG.
Output may not be as pretty before with two neatly aligned columns,
but that can be changed; for now the value of having the symbols
printed instead of just obscure hex addresses (which one's an lwp
address and which one's a code pointer? can never remember!) should
outweigh the prettiness temporarily lost.
|
| 1.80 |
| 02-Mar-2021 |
rin | KNF. No binary changes.
|
| 1.79 |
| 01-Jan-2021 |
riastradh | Use printf, not printf_nolog, in lockdebug dumps.
Otherwise we get no diagnostic information in crash dumps or dmesg,
which really puts a damper on the utility of lockdebug.
(If there's a reason for printf_nolog instead of printf, it should be
documented in comments here, and it had better be a pretty good
reason for destroying the diagnostic information that is half the
point of lockdebug.)
|
| 1.78 |
| 01-Jan-2021 |
riastradh | Nix trailing whitespace.
|
| 1.77 |
| 15-May-2020 |
maxv | branches: 1.77.2;
Introduce kcov_silence_enter() and kcov_silence_leave(), to allow to
temporarily disable KCOV on the current lwp. Should be used in the rare
but problematic cases where extreme noise is introduced by an
uninteresting subsystem.
Use this capability to silence KCOV during the LOCKDEBUG lookups. This
divides the size of the KCOV output by more than two in my KCOV+vHCI
tests.
|
| 1.76 |
| 10-Apr-2020 |
ad | - Make this needed sequence always work for condvars, by not touching the CV
again after wakeup. Previously it could panic because cv_signal() could
be called by cv_wait_sig() + others:
cv_broadcast(cv);
cv_destroy(cv);
- In support of the above, if an LWP doing a timed wait is awoken by
cv_broadcast() or cv_signal(), don't return an error if the timer
fires after the fact, i.e. either succeed or fail, not both.
- Remove LOCKDEBUG code for CVs which never worked properly and is of
questionable use.
|
| 1.75 |
| 09-Mar-2020 |
christos | branches: 1.75.2;
comment out enough stuff to allow crash to print locks.
|
| 1.74 |
| 21-Jan-2020 |
ad | ddb's "show all locks":
- Make the output easier to scan quickly.
- Show every LWP that is blocked on a lock, and the details of the lock.
|
| 1.73 |
| 08-Jan-2020 |
ad | lockdebug_barrier(): allow the one permitted lock to be a sleep lock too.
|
| 1.72 |
| 28-May-2019 |
ryo | branches: 1.72.4;
changes of r1.68 was reverted by r1.69. apply it again.
|
| 1.71 |
| 22-May-2019 |
scole | Increase LD_BATCH_SHIFT for ia64 LOCKDEBUG kernels. Otherwise, ia64 pmap will run out of space with this kernel debug option enabled.
Discussed with <chs> over email.
|
| 1.70 |
| 09-May-2019 |
ozaki-r | Avoid prepending a timestamp to lock debug outputs on ddb
Lock printer functions (lockops_t#lo_dump) use printf_nolog to print, but
printf_nolog now prepends a timestamp which is unnecessary for ddb:
db{0}> show all locks/t
[Locks tracked through LWPs]
Locks held by an LWP (iperf):
Lock 0 (initialized at soinit)
lock address : 0xffffedeb84b06080 type : sleep/adaptive
initialized : 0xffffffff806d8c3f
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 11
current cpu : 0 last held: 1
current lwp : 0xffffedeb849ff040 last held: 0xffffedeb7dfdb240
last locked* : 0xffffffff806d8335 unlocked : 0xffffffff806d8385
[ 79103.0868574] owner field : 0xffffedeb7dfdb240 wait/spin: 1/0
Fix it by passing a printer function to lo_dump functions, i.e., make the
functions use db_printf on ddb.
|
| 1.69 |
| 03-Nov-2018 |
christos | Deduplicate debug printing code.
|
| 1.68 |
| 25-Oct-2018 |
mrg | in the !MP world, ci->ci_curlwp may not exist. just use curlwp.
XXX: can we just do this for MP builds, too? i think so.
|
| 1.67 |
| 13-Sep-2018 |
mrg | always call lockdebug_dismiss() from DDB -- there are always some
minimal lockdebug checks in place, even without LOCKDEBUG.
adjust lockdebug_abort() to ignore problems after ld_panic is set
so that there's a chance of this working.
this fixes ddb 'reboot' on softiron od1000.
|
| 1.66 |
| 03-Sep-2018 |
riastradh | Rename min/max -> uimin/uimax for better honesty.
These functions are defined on unsigned int. The generic name
min/max should not silently truncate to 32 bits on 64-bit systems.
This is purely a name change -- no functional change intended.
HOWEVER! Some subsystems have
#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
even though our standard name for that is MIN/MAX. Although these
may invite multiple evaluation bugs, these do _not_ cause integer
truncation.
To avoid `fixing' these cases, I first changed the name in libkern,
and then compile-tested every file where min/max occurred in order to
confirm that it failed -- and thus confirm that nothing shadowed
min/max -- before changing it.
I have left a handful of bootloaders that are too annoying to
compile-test, and some dead code:
cobalt ews4800mips hp300 hppa ia64 luna68k vax
acorn32/if_ie.c (not included in any kernels)
macppc/if_gm.c (superseded by gem(4))
It should be easy to fix the fallout once identified -- this way of
doing things fails safe, and the goal here, after all, is to _avoid_
silent integer truncations, not introduce them.
Maybe one day we can reintroduce min/max as type-generic things that
never silently truncate. But we should avoid doing that for a while,
so that existing code has a chance to be detected by the compiler for
conversion to uimin/uimax without changing the semantics until we can
properly audit it all. (Who knows, maybe in some cases integer
truncation is actually intended!)
|
| 1.65 |
| 12-Aug-2018 |
mrg | add a lockdebug_dismiss() function for DDB to use that tells
lockdebug to avoid asserts. use it for the ddb "reboot"
command, so that it doesn't matter how ddb was entered, the
reboot not trigger mutex checks and not work.
|
| 1.64 |
| 19-Mar-2018 |
ozaki-r | branches: 1.64.2;
ddb: rename "show lockstat" to "show lockstats" to avoid conflicting with lockstat(8)
Requested by mrg@
|
| 1.63 |
| 16-Mar-2018 |
ozaki-r | Get rid of a redundant output
|
| 1.62 |
| 16-Mar-2018 |
ozaki-r | Add a new command, show all locks, which shows information of active locks
The command shows information of all active (i.e., being held) locks that are
tracked through either of LWPs or CPUs by the LOCKDEBUG facility. The /t
modifier additionally shows a backtrace for each LWP additionally. This
feature is useful for debugging especially to analyze deadlocks.
The command is useful only if LOCKDEBUG is enabled.
|
| 1.61 |
| 16-Mar-2018 |
ozaki-r | Add a new command, show lockstat, which shows statistics of locks
Currently the command shows the number of allocated locks.
The command is useful only if LOCKDEBUG is enabled.
|
| 1.60 |
| 20-Feb-2018 |
ozaki-r | branches: 1.60.2;
Spinkle __predict_false to LOCKDEBUG functions
Panics and lockdebug failures are unlikely to occur normally.
|
| 1.59 |
| 14-Feb-2018 |
ozaki-r | Use cpu_softintr_p
|
| 1.58 |
| 16-Sep-2017 |
christos | more const
|
| 1.57 |
| 01-Jun-2017 |
chs | branches: 1.57.2;
remove checks for failure after memory allocation calls that cannot fail:
kmem_alloc() with KM_SLEEP
kmem_zalloc() with KM_SLEEP
percpu_alloc()
pserialize_create()
psref_class_create()
all of these paths include an assertion that the allocation has not failed,
so callers should not assert that again.
|
| 1.56 |
| 01-May-2017 |
pgoyette | Introduce mutex_ownable() to determine if it is possible for the current
process to acquire a mutex.
|
| 1.55 |
| 26-Jan-2017 |
christos | branches: 1.55.4;
For LOCKDEBUG:
Always provide the location of the caller of the lock as __func__, __LINE__.
|
| 1.54 |
| 29-Sep-2015 |
ozaki-r | branches: 1.54.2; 1.54.4;
Add _KERNEL_OPT
It's needed for nbmake RUMP_LOCKDEBUG=yes.
|
| 1.53 |
| 15-Apr-2015 |
riastradh | Put the lock error info in the panicstr so ddb can get at it.
|
| 1.52 |
| 24-Nov-2014 |
christos | branches: 1.52.2;
Print the shared lock(s) before we panic, to aid with debugging.
|
| 1.51 |
| 07-Mar-2014 |
matt | Tell where the corrruption was encountered in the panic message.
|
| 1.50 |
| 12-Oct-2013 |
christos | provide a better printf for the panic message
|
| 1.49 |
| 27-Apr-2013 |
mlelstv | branches: 1.49.4;
Revert change that allowed rw_tryenter(&lock, RW_READER) to recurse
for vfs_busy(). This is no longer necessary.
|
| 1.48 |
| 09-Feb-2013 |
njoly | Fix LOCKDEBUG build.
|
| 1.47 |
| 09-Feb-2013 |
christos | printflike maintenance.
|
| 1.46 |
| 04-Aug-2012 |
christos | branches: 1.46.2;
- fix typo in comment
- Don't call abort1 with NULL ld, after panic(9).
|
| 1.45 |
| 26-Jul-2011 |
yamt | branches: 1.45.2;
try to fill ld_locked/ld_unlocked for shared acquisition of lock
|
| 1.44 |
| 14-Apr-2011 |
matt | rearrange some common code in lockdebug_unlocked.
When printing a lockdebug error, add a '*' to indicate whether lock or
unlock was performed.
|
| 1.43 |
| 25-Sep-2010 |
matt | branches: 1.43.2;
Rename rb.h to rbtree.h, as it is more appropriate (c.f. ptree.h). Also
helps find code that hasn't been updated to use the new rbtree API.
|
| 1.42 |
| 24-Sep-2010 |
rmind | Fixes/improvements to RB-tree implementation:
1. Fix inverted node order, so that negative value from comparison operator
would represent lower (left) node, and positive - higher (right) node.
2. Add an argument (i.e. "context"), passed to comparison operators.
3. Change rb_tree_insert_node() to return a node - either inserted one or
already existing one.
4. Amend the interface to manipulate the actual object, instead of the
rb_node (in a similar way as Patricia-tree interface does).
5. Update all RB-tree users accordingly.
XXX: Perhaps rename rb.h to rbtree.h, since cleaning-up..
1-3 address the PR/43488 by Jeremy Huddleston.
Passes RB-tree regression tests.
Reviewed by: matt@, christos@
|
| 1.41 |
| 03-Nov-2009 |
dyoung | branches: 1.41.2; 1.41.4;
Make lockdebug_lock_print(NULL, ...) dump all locks. Now, in ddb,
'show lock 0x0' dumps all of the locks.
XXX I still need to fix 'show all lock'.
|
| 1.40 |
| 05-Oct-2009 |
rmind | Convert cpu_number(), which can be sparse, to cpu_index(), which is MI.
|
| 1.39 |
| 07-Nov-2008 |
cegger | buildfix: use PRIxPTR rather %lx.
|
| 1.38 |
| 07-Nov-2008 |
rafal | Pass / log return address in a few more places; proposed on tech-kern and
ok'd by ad@ about 6 months ago.
|
| 1.37 |
| 30-Jun-2008 |
matt | branches: 1.37.2; 1.37.4;
Change tree op members/typedefs to rbto_compare_* from rb_compare_*
|
| 1.36 |
| 04-Jun-2008 |
ad | branches: 1.36.2;
Move lib/libkern/rb.h to sys/rb.h, so it can be used by kernel header
files.
|
| 1.35 |
| 31-May-2008 |
ad | LOCKDEBUG:
- Tweak it so it can also catch common errors with condition variables.
The change to kern_condvar.c is not included in this commit and will
come later.
- Don't call kmem_alloc() if operating in interrupt context, just fail
the allocation and disable debugging for the object. Makes it safe
to do mutex_init/rw_init/cv_init in interrupt context, when running
a LOCKDEBUG kernel.
|
| 1.34 |
| 06-May-2008 |
ad | branches: 1.34.2;
LOCKDEBUG: try to speed it up a bit by not using so much global state.
This will break the build briefly but will be followed by another commit
to fix that..
|
| 1.33 |
| 06-May-2008 |
ad | Allow rw_tryenter(&lock, RW_READER) to recurse, for vfs_busy().
|
| 1.32 |
| 03-May-2008 |
yamt | lockdebug: try to detect recursive acquirements of read-write locks.
|
| 1.31 |
| 28-Apr-2008 |
martin | Remove clause 3 and 4 from TNF licenses
|
| 1.30 |
| 27-Apr-2008 |
ad | branches: 1.30.2;
lockdebug_barrier: disable preemption using the interrupt priority level,
not crit_enter/crit_exit. Since this is called from mi_switch(), crit_exit
could recurse and skew statistics.
|
| 1.29 |
| 27-Mar-2008 |
ad | branches: 1.29.2;
Replace use of CACHE_LINE_SIZE in some obvious places.
|
| 1.28 |
| 18-Feb-2008 |
ad | branches: 1.28.6;
Make it compile if !LOCKDEBUG.
|
| 1.27 |
| 18-Feb-2008 |
ad | Try to prevent more than one CPUs panicing when an error is detected.
|
| 1.26 |
| 05-Jan-2008 |
ad | Need sys/lock.h for SPINLOCK_SPIN_HOOK.
|
| 1.25 |
| 04-Jan-2008 |
ad | Start detangling lock.h from intr.h. This is likely to cause short term
breakage, but the mess of dependencies has been regularly breaking the
build recently anyhow.
|
| 1.24 |
| 26-Dec-2007 |
ad | Merge more changes from vmlocking2, mainly:
- Locking improvements.
- Use pool_cache for more items.
|
| 1.23 |
| 08-Dec-2007 |
ad | branches: 1.23.4;
Merge changes from vmlocking2 branch.
|
| 1.22 |
| 30-Nov-2007 |
ad | branches: 1.22.2;
Use membar_*().
|
| 1.21 |
| 26-Nov-2007 |
yamt | lockdebug_mem_check: turn a redundant check into a panic.
|
| 1.20 |
| 22-Nov-2007 |
yamt | fix lockdebug_mem_check.
|
| 1.19 |
| 21-Nov-2007 |
yamt | lockdebug_alloc: detect double initialization explicitly.
|
| 1.18 |
| 21-Nov-2007 |
yamt | re-enable lockdebug_mem_check. ad@ said disabling it was a mistake
in the first place.
the implementation has been changed to use rb-tree rather than hash
so that it can check regions larger than page size as well.
|
| 1.17 |
| 21-Nov-2007 |
yamt | remove #if 0'ed code.
|
| 1.16 |
| 21-Nov-2007 |
yamt | make kmutex_t and krwlock_t smaller by killing lock id.
ok'ed by Andrew Doran.
|
| 1.15 |
| 12-Nov-2007 |
matt | Don't static init simplelock (back out those changes).
|
| 1.14 |
| 12-Nov-2007 |
matt | use __SIMPLELOCK_UNLOCKED, not SIMPLELOCK_INITIALIZER
|
| 1.13 |
| 11-Nov-2007 |
matt | Change some initialization of static queues to compile time.
(xxx_INIT to xxx_HEAD_INITIALIZER). Drop code which inits
non-auto (global or static) variables to 0 since that's
already implied by being non-auto. Init some static/global
cpu_simple_locks at compile time.
|
| 1.12 |
| 06-Nov-2007 |
ad | Merge scheduler changes from the vmlocking branch. All discussed on
tech-kern:
- Invert priority space so that zero is the lowest priority. Rearrange
number and type of priority levels into bands. Add new bands like
'kernel real time'.
- Ignore the priority level passed to tsleep. Compute priority for
sleep dynamically.
- For SCHED_4BSD, make priority adjustment per-LWP, not per-process.
|
| 1.11 |
| 27-Oct-2007 |
ad | branches: 1.11.2;
Fix spelling.
|
| 1.10 |
| 11-Oct-2007 |
ad | branches: 1.10.2;
Merge from vmlocking:
- G/C spinlockmgr() and simple_lock debugging.
- Always include the kernel_lock functions, for LKMs.
- Slightly improved subr_lockdebug code.
- Keep sizeof(struct lock) the same if LOCKDEBUG.
|
| 1.9 |
| 21-Sep-2007 |
dsl | branches: 1.9.2;
Include sys/cdefs.h first.
|
| 1.8 |
| 15-Jun-2007 |
ad | branches: 1.8.6; 1.8.8;
splstatclock, spllock -> splhigh
|
| 1.7 |
| 21-May-2007 |
skrll | Correct comment.
|
| 1.6 |
| 02-May-2007 |
yamt | lockdebug_abort: s/int/u_int/ for lock id as the rest of code.
|
| 1.5 |
| 10-Mar-2007 |
ad | branches: 1.5.2; 1.5.4; 1.5.6;
lockdebug:
- Initialize on the first allocation.
- Handle overflow better. PR kern/35723.
|
| 1.4 |
| 22-Feb-2007 |
thorpej | branches: 1.4.2;
TRUE -> true, FALSE -> false
|
| 1.3 |
| 21-Feb-2007 |
thorpej | Pick up some additional files that were missed before due to conflicts
with newlock2 merge:
Replace the Mach-derived boolean_t type with the C99 bool type. A
future commit will replace use of TRUE and FALSE with true and false.
|
| 1.2 |
| 09-Feb-2007 |
ad | branches: 1.2.2;
Merge newlock2 to head.
|
| 1.1 |
| 20-Oct-2006 |
ad | branches: 1.1.2;
file subr_lockdebug.c was initially added on branch newlock2.
|
| 1.1.2.12 |
| 06-Feb-2007 |
ad | Revert accidentally commited change.
|
| 1.1.2.11 |
| 06-Feb-2007 |
ad | Quieten noisy boot messages.
|
| 1.1.2.10 |
| 05-Feb-2007 |
ad | - Dump the contents of a lock's turnstile when an error is detected.
- Add a 'show lock' command to DDB.
|
| 1.1.2.9 |
| 04-Feb-2007 |
ad | lockdebug_wantlock(): catch shared->exclusive deadlocks too.
|
| 1.1.2.8 |
| 03-Feb-2007 |
ad | Play nicer when the system is panicing/cold.
|
| 1.1.2.7 |
| 31-Jan-2007 |
ad | Catch deadlocks earlier.
|
| 1.1.2.6 |
| 19-Jan-2007 |
ad | Remove a couple of mostly pointless tests.
|
| 1.1.2.5 |
| 29-Dec-2006 |
ad | Checkpoint work in progress.
|
| 1.1.2.4 |
| 18-Nov-2006 |
ad | Sync with head.
|
| 1.1.2.3 |
| 17-Nov-2006 |
ad | Checkpoint work in progress.
|
| 1.1.2.2 |
| 24-Oct-2006 |
ad | Compile fixes
|
| 1.1.2.1 |
| 20-Oct-2006 |
ad | Add some LOCKDEBUG code to be shared between mutexes/rwlocks.
|
| 1.2.2.3 |
| 07-May-2007 |
yamt | sync with head.
|
| 1.2.2.2 |
| 12-Mar-2007 |
rmind | Sync with HEAD.
|
| 1.2.2.1 |
| 27-Feb-2007 |
yamt | - sync with head.
- move sched_changepri back to kern_synch.c as it doesn't know PPQ anymore.
|
| 1.4.2.8 |
| 27-Feb-2008 |
yamt | sync with head.
|
| 1.4.2.7 |
| 21-Jan-2008 |
yamt | sync with head
|
| 1.4.2.6 |
| 07-Dec-2007 |
yamt | sync with head
|
| 1.4.2.5 |
| 15-Nov-2007 |
yamt | sync with head.
|
| 1.4.2.4 |
| 27-Oct-2007 |
yamt | sync with head.
|
| 1.4.2.3 |
| 03-Sep-2007 |
yamt | sync with head.
|
| 1.4.2.2 |
| 26-Feb-2007 |
yamt | sync with head.
|
| 1.4.2.1 |
| 22-Feb-2007 |
yamt | file subr_lockdebug.c was added on branch yamt-lazymbuf on 2007-02-26 09:11:14 +0000
|
| 1.5.6.1 |
| 09-Dec-2007 |
reinoud | Pullup to HEAD
|
| 1.5.4.1 |
| 11-Jul-2007 |
mjf | Sync with head.
|
| 1.5.2.9 |
| 18-Oct-2007 |
ad | Update for soft interrupt changes. See kern_softint.c 1.1.2.17 for details.
|
| 1.5.2.8 |
| 11-Oct-2007 |
ad | Sync with head.
|
| 1.5.2.7 |
| 20-Aug-2007 |
ad | Disable freed lock checking for now. It seems to be coming up with
false positives.
|
| 1.5.2.6 |
| 20-Aug-2007 |
ad | Track where locks were initialized.
|
| 1.5.2.5 |
| 29-Jul-2007 |
ad | Trap free() of areas that contain undestroyed locks. Not a major problem
but it helps to catch bugs.
|
| 1.5.2.4 |
| 15-Jul-2007 |
ad | Get pmax working.
|
| 1.5.2.3 |
| 15-Jul-2007 |
ad | Sync with head.
|
| 1.5.2.2 |
| 17-Jun-2007 |
ad | - Increase the number of thread priorities from 128 to 256. How the space
is set up is to be revisited.
- Implement soft interrupts as kernel threads. A generic implementation
is provided, with hooks for fast-path MD code that can run the interrupt
threads over the top of other threads executing in the kernel.
- Split vnode::v_flag into three fields, depending on how the flag is
locked (by the interlock, by the vnode lock, by the file system).
- Miscellaneous locking fixes and improvements.
|
| 1.5.2.1 |
| 08-Jun-2007 |
ad | Sync with head.
|
| 1.8.8.3 |
| 23-Mar-2008 |
matt | sync with HEAD
|
| 1.8.8.2 |
| 09-Jan-2008 |
matt | sync with HEAD
|
| 1.8.8.1 |
| 06-Nov-2007 |
matt | sync with HEAD
|
| 1.8.6.9 |
| 09-Dec-2007 |
jmcneill | Sync with HEAD.
|
| 1.8.6.8 |
| 03-Dec-2007 |
joerg | Sync with HEAD.
|
| 1.8.6.7 |
| 27-Nov-2007 |
joerg | Sync with HEAD. amd64 Xen support needs testing.
|
| 1.8.6.6 |
| 21-Nov-2007 |
joerg | Sync with HEAD.
|
| 1.8.6.5 |
| 14-Nov-2007 |
joerg | Sync with HEAD.
|
| 1.8.6.4 |
| 06-Nov-2007 |
joerg | Sync with HEAD.
|
| 1.8.6.3 |
| 28-Oct-2007 |
joerg | Sync with HEAD.
|
| 1.8.6.2 |
| 26-Oct-2007 |
joerg | Sync with HEAD.
Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.
|
| 1.8.6.1 |
| 02-Oct-2007 |
joerg | Sync with HEAD.
|
| 1.9.2.1 |
| 14-Oct-2007 |
yamt | sync with head.
|
| 1.10.2.3 |
| 22-Nov-2007 |
bouyer | Sync with HEAD
|
| 1.10.2.2 |
| 21-Nov-2007 |
bouyer | Sync with HEAD
|
| 1.10.2.1 |
| 13-Nov-2007 |
bouyer | Sync with HEAD
|
| 1.11.2.4 |
| 18-Feb-2008 |
mjf | Sync with HEAD.
|
| 1.11.2.3 |
| 27-Dec-2007 |
mjf | Sync with HEAD.
|
| 1.11.2.2 |
| 08-Dec-2007 |
mjf | Sync with HEAD.
|
| 1.11.2.1 |
| 19-Nov-2007 |
mjf | Sync with HEAD.
|
| 1.22.2.8 |
| 26-Dec-2007 |
ad | Sync with head.
|
| 1.22.2.7 |
| 13-Dec-2007 |
yamt | lockdebug_mem_check: fix "allocation contains active lock" after another panic.
the rb tree can be stale if panicstr != 0 because lockdebug_free is no-op
in that case. might be related to PR/37531 from Andrew Doran.
|
| 1.22.2.6 |
| 08-Dec-2007 |
ad | Sync with head.
|
| 1.22.2.5 |
| 08-Dec-2007 |
ad | Reduce unnecessary diffs to HEAD.
|
| 1.22.2.4 |
| 05-Dec-2007 |
ad | Add memory barriers to previous.
|
| 1.22.2.3 |
| 05-Dec-2007 |
ad | - Implement and use a very simple spinning reader/writer lock.
- Disable preemption where necessary.
|
| 1.22.2.2 |
| 05-Dec-2007 |
yamt | lockdebug_mem_check: fix locking.
|
| 1.22.2.1 |
| 05-Dec-2007 |
yamt | lockdebug_wantlock: put back cpu_intr_p check which disappeared
during vmlocking -> vmlocking2.
|
| 1.23.4.2 |
| 08-Jan-2008 |
bouyer | Sync with HEAD
|
| 1.23.4.1 |
| 02-Jan-2008 |
bouyer | Sync with HEAD
|
| 1.28.6.5 |
| 17-Jan-2009 |
mjf | Sync with HEAD.
|
| 1.28.6.4 |
| 02-Jul-2008 |
mjf | Sync with HEAD.
|
| 1.28.6.3 |
| 05-Jun-2008 |
mjf | Sync with HEAD.
Also fix build.
|
| 1.28.6.2 |
| 02-Jun-2008 |
mjf | Sync with HEAD.
|
| 1.28.6.1 |
| 03-Apr-2008 |
mjf | Sync with HEAD.
|
| 1.29.2.3 |
| 17-Jun-2008 |
yamt | sync with head.
|
| 1.29.2.2 |
| 04-Jun-2008 |
yamt | sync with head
|
| 1.29.2.1 |
| 18-May-2008 |
yamt | sync with head.
|
| 1.30.2.4 |
| 09-Oct-2010 |
yamt | sync with head
|
| 1.30.2.3 |
| 11-Mar-2010 |
yamt | sync with head
|
| 1.30.2.2 |
| 04-May-2009 |
yamt | sync with head.
|
| 1.30.2.1 |
| 16-May-2008 |
yamt | sync with head.
|
| 1.34.2.2 |
| 18-Sep-2008 |
wrstuden | Sync with wrstuden-revivesa-base-2.
|
| 1.34.2.1 |
| 23-Jun-2008 |
wrstuden | Sync w/ -current. 34 merge conflicts to follow.
|
| 1.36.2.1 |
| 30-Jun-2008 |
matt | Update to HEAD.
|
| 1.37.4.1 |
| 19-Jan-2009 |
skrll | Sync with HEAD.
|
| 1.37.2.1 |
| 13-Dec-2008 |
haad | Update haad-dm branch to haad-dm-base2.
|
| 1.41.4.2 |
| 21-Apr-2011 |
rmind | sync with head
|
| 1.41.4.1 |
| 05-Mar-2011 |
rmind | sync with head
|
| 1.41.2.1 |
| 22-Oct-2010 |
uebayasi | Sync with HEAD (-D20101022).
|
| 1.43.2.1 |
| 06-Jun-2011 |
jruoho | Sync with HEAD.
|
| 1.45.2.2 |
| 22-May-2014 |
yamt | sync with head.
for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.
this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
|
| 1.45.2.1 |
| 30-Oct-2012 |
yamt | sync with head
|
| 1.46.2.4 |
| 03-Dec-2017 |
jdolecek | update from HEAD
|
| 1.46.2.3 |
| 20-Aug-2014 |
tls | Rebase to HEAD as of a few days ago.
|
| 1.46.2.2 |
| 23-Jun-2013 |
tls | resync from head
|
| 1.46.2.1 |
| 25-Feb-2013 |
tls | resync with head
|
| 1.49.4.1 |
| 18-May-2014 |
rmind | sync with head
|
| 1.52.2.4 |
| 28-Aug-2017 |
skrll | Sync with HEAD
|
| 1.52.2.3 |
| 05-Feb-2017 |
skrll | Sync with HEAD
|
| 1.52.2.2 |
| 27-Dec-2015 |
skrll | Sync with HEAD (as of 26th Dec)
|
| 1.52.2.1 |
| 06-Jun-2015 |
skrll | Sync with HEAD
|
| 1.54.4.1 |
| 21-Apr-2017 |
bouyer | Sync with HEAD
|
| 1.54.2.1 |
| 20-Mar-2017 |
pgoyette | Sync with HEAD
|
| 1.55.4.1 |
| 02-May-2017 |
pgoyette | Sync with HEAD - tag prg-localcount2-base1
|
| 1.57.2.3 |
| 23-Sep-2018 |
martin | Pull up following revision(s) (requested by mrg in ticket #1024):
sys/ddb/db_command.c: revision 1.157
sys/ddb/db_command.c: revision 1.158
sys/kern/subr_lockdebug.c: revision 1.67
always call lockdebug_dismiss() from DDB -- there are always some
minimal lockdebug checks in place, even without LOCKDEBUG.
adjust lockdebug_abort() to ignore problems after ld_panic is set
so that there's a chance of this working.
this fixes ddb 'reboot' on softiron od1000.
call spl0() before cpu_reboot(), so that there's a chance that:
- interrupts can work afterwards
- this also means if IO stalls, serial break might work again.
this mimics how reboot(2) ends up calling cpu_reboot().
|
| 1.57.2.2 |
| 07-Sep-2018 |
martin | Pull up following revision(s) (requested by mrg in ticket #1013):
sys/sys/lockdebug.h: revision 1.20
sys/ddb/db_command.c: revision 1.155
sys/kern/subr_lockdebug.c: revision 1.65
add a lockdebug_dismiss() function for DDB to use that tells
lockdebug to avoid asserts. use it for the ddb "reboot"
command, so that it doesn't matter how ddb was entered, the
reboot not trigger mutex checks and not work.
|
| 1.57.2.1 |
| 02-Apr-2018 |
martin | Pull up following revision(s) (requested by ozaki-r in ticket #687):
sys/kern/kern_rwlock_obj.c: revision 1.4
sys/rump/librump/rumpkern/locks.c: revision 1.80
sys/kern/kern_rwlock.c: revision 1.50
sys/arch/x86/x86/db_memrw.c: revision 1.5,1.6
sys/ddb/db_command.c: revision 1.150-1.153
share/man/man4/ddb.4: revision 1.175 (via patch),1.176-1.178
sys/kern/kern_mutex_obj.c: revision 1.6
sys/kern/subr_lockdebug.c: revision 1.61-1.64
sys/sys/lockdebug.h: revision 1.17
sys/kern/kern_mutex.c: revision 1.71
sys/sys/lockdebug.h: revision 1.18,1.19
sys/kern/subr_xcall.c: revision 1.26
Obtain proper initialized addresses of locks allocated by mutex_obj_alloc or rw_obj_alloc
Initialized addresses of locks allocated by mutex_obj_alloc or rw_obj_alloc
were not useful because the addresses were mutex_obj_alloc or rw_obj_alloc
itself. What we want to know are callers of them.
Spinkle ASSERT_SLEEPABLE to xcall functions
Use db_printf instead of printf in ddb
Add a new command, show lockstat, which shows statistics of locks
Currently the command shows the number of allocated locks.
The command is useful only if LOCKDEBUG is enabled.
Add a new command, show all locks, which shows information of active locks
The command shows information of all active (i.e., being held) locks that are
tracked through either of LWPs or CPUs by the LOCKDEBUG facility. The /t
modifier additionally shows a backtrace for each LWP additionally. This
feature is useful for debugging especially to analyze deadlocks.
The command is useful only if LOCKDEBUG is enabled.
Don't pass a unset address to lockdebug_lock_print
x86: avoid accessing invalid addresses in ddb like arm32
This avoids that a command stops in the middle of an execution if
a fault occurs due to an access to an invalid address.
Get rid of a redundant output
Improve wording. Fix a Cm argument.
ddb: rename "show lockstat" to "show lockstats" to avoid conflicting with lockstat(8)
Requested by mrg@
|
| 1.60.2.4 |
| 26-Nov-2018 |
pgoyette | Sync with HEAD, resolve a couple of conflicts
|
| 1.60.2.3 |
| 30-Sep-2018 |
pgoyette | Ssync with HEAD
|
| 1.60.2.2 |
| 06-Sep-2018 |
pgoyette | Sync with HEAD
Resolve a couple of conflicts (result of the uimin/uimax changes)
|
| 1.60.2.1 |
| 22-Mar-2018 |
pgoyette | Synch with HEAD, resolve conflicts
|
| 1.64.2.3 |
| 13-Apr-2020 |
martin | Mostly merge changes from HEAD upto 20200411
|
| 1.64.2.2 |
| 08-Apr-2020 |
martin | Merge changes from current as of 20200406
|
| 1.64.2.1 |
| 10-Jun-2019 |
christos | Sync with HEAD
|
| 1.72.4.2 |
| 25-Jan-2020 |
ad | Sync with head.
|
| 1.72.4.1 |
| 17-Jan-2020 |
ad | Sync with head.
|
| 1.75.2.1 |
| 20-Apr-2020 |
bouyer | Sync with HEAD
|
| 1.77.2.2 |
| 03-Apr-2021 |
thorpej | Sync with HEAD.
|
| 1.77.2.1 |
| 03-Jan-2021 |
thorpej | Sync w/ HEAD.
|
