Public bug reported:
sudo aptitude upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Building tag database... Done
here it stops and starts hogging cpu.
$ ls /var/cache/apt/archives/*.deb | wc -l
563
I tried lookin what happens with strace, first there's gettimeofday calls
gettimeofday({1154084258, 541628}, NULL) = 0
gettimeofday({1154084258, 541724}, NULL) = 0
.
.
Then
) = 31ng tag database... Donebase... Done\r", 31
write(1, "\n", 1
) = 1
munmap(0xb5bb9000, 528384) = 0
mmap2(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb549b000
mprotect(0xb549b000, 4096, PROT_NONE) = 0
clone(child_stack=0xb5c9b4e4,
flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID|CLONE_DETACHED,
parent_tidptr=0xb5c9bbe8, {entry_number:6, base_addr:0xb5c9bba0,
limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1,
seg_not_present:0, useable:1}, child_tidptr=0xb5c9bbe8) = 32512
after this it starts to eat cpu time.
** Affects: aptitude (Ubuntu)
Importance: Untriaged
Status: Unconfirmed
--
aptitude upgrade stops and hogs cpu
https://launchpad.net/bugs/54342
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