#70556: "base" seemingly locking up for sometimes very long
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Reporter: RJVB | Owner: (none)
Type: enhancement | Status: new
Priority: Normal | Milestone:
Component: base | Version:
Resolution: | Keywords:
Port: |
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Comment (by barracuda156):
I just uninstalled a port and tried not to kill `tclsh8.6` immediately. It
freezes for phenomenal amount of time. Perhaps already ~20 minutes and
still stuck.
Process sample, FWIW:
{{{
Analysis of sampling tclsh8.6 (pid 15449) every 1 millisecond
Call graph:
2225 Thread_3703
2225 start
2225 main
2225 Tcl_MainEx
2225 Tcl_FSEvalFileEx
2225 TclEvalEx
2225 TclNRRunCallbacks
2225 registry_close
2225 reg_vacuum
2225 sqlite3_step
2225 sqlite3VdbeExec
2225 sqlite3RunVacuum
2221 sqlite3_backup_step
2122 backupOnePage
2108 getPageNormal
1274 pagerStress
1272 pagerWalFrames
1122 walFindFrame
1090 walFindFrame
32 walHashGet
32 walHashGet
146 walWriteOneFrame
143 seekAndWriteFd
143 pwrite$UNIX2003
143 pwrite$UNIX2003
3 walEncodeFrame
2 walChecksumBytes
2 walChecksumBytes
1 sqlite3Put4byte
1 sqlite3Put4byte
3 pagerWalFrames
1 bcmp
1 bcmp
1 pagerStress
1 subjournalPageIfRequired
1 subjournalPageIfRequired
833 readDbPage
801 walFindFrame
766 walFindFrame
35 walHashGet
35 walHashGet
29 unixRead
28 seekAndRead
28 pread$UNIX2003
28 pread$UNIX2003
1 unixRead
2 readDbPage
1 readDbPage
1 unixRead
1 unixRead
1 pcache1FetchStage2
1 pcache1RemoveFromHash
1 pcache1RemoveFromHash
6 __memcpy
6 __memcpy
3 backupOnePage
2 sqlite3PagerWrite
2 sqlite3PagerWrite
1 __moddi3
1 __moddi3
1 dyld_stub___moddi3
1 dyld_stub___moddi3
1 memcpy
1 memcpy
62 sqlite3_backup_step
28 getPageNormal
20 readDbPage
19 unixRead
19 seekAndRead
19 pread$UNIX2003
19 pread$UNIX2003
1 readDbPage
7 pcache1FetchStage2
6 pcache1Alloc
4 sqlite3Malloc
3 sqlite3MemMalloc
1 dyld_stub_malloc_zone_malloc
1 dyld_stub_malloc_zone_malloc
1 malloc_zone_malloc
1 malloc_zone_malloc
1 szone_malloc
1 szone_malloc
1 pthread_mutex_unlock
1 pthread_mutex_unlock
1 pthread_mutex_lock
1 pthread_mutex_lock
1 pcache1Alloc
1 pthread_mutex_lock
1 pthread_mutex_lock
1 pcache1FetchStage2
1 pcache1Fetch
1 pcache1Fetch
6 pcache1Free
2 pcache1Free
2 sqlite3MemSize
2 sqlite3MemSize
1 pthread_mutex_lock
1 pthread_mutex_lock
1 szone_size
1 szone_size
3 szone_free
3 szone_free
3 sqlite3PcacheRelease
3 sqlite3PcacheRelease
1 pcache1RemoveFromHash
1 pcache1RemoveFromHash
Total number in stack (recursive counted multiple, when >=5):
Sort by top of stack, same collapsed (when >= 5):
walFindFrame 1856
pwrite$UNIX2003 143
walHashGet 67
sqlite3_backup_step 62
pread$UNIX2003 47
__memcpy 6
}}}
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Ticket URL: <https://trac.macports.org/ticket/70556#comment:15>
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