Frequentemente estamos nos deparando com esse problema.
nossos pontos de montagem NAS funcionam perfeitamente e, de repente, trava.
quando vamos e fazemos ls trava o terminal.
strace ls / srv / git
trava aqui
unmap(0x7f6a5c03f000, 4096) = 0
open("/usr/lib/locale/locale-archive", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=99158576, ...}) = 0
mmap(NULL, 99158576, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f6a5619e000
close(3) = 0
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(1, TIOCGWINSZ, {ws_row=28, ws_col=117, ws_xpixel=0, ws_ypixel=0}) = 0
stat("/srv/git",
^C <unfinished ...>
ps -ef | grep ls
nos dá muito desse processo
user1 9099 9050 0 05:39 pts/7 00:00:00 ls --color=auto
user1 9165 1 0 05:42 pts/8 00:00:00 ls /srv/git
user1 9168 1 0 05:42 pts/8 00:00:00 ls /srv/git
user1 9235 9111 0 05:47 pts/8 00:00:00 grep ls
gt 40490 40483 0 Apr15 ? 00:00:00 ls -1 /srv/git/mirrors
dmesg
Call Trace:
[<ffffffffa026f36e>] ? rpc_make_runnable+0x7e/0x80 [sunrpc]
[<ffffffffa026fc10>] ? rpc_execute+0x50/0xa0 [sunrpc]
[<ffffffff810aaa21>] ? ktime_get_ts+0xb1/0xf0
[<ffffffff811242d0>] ? sync_page+0x0/0x50
[<ffffffff8152a1b3>] io_schedule+0x73/0xc0
[<ffffffff8112430d>] sync_page+0x3d/0x50
[<ffffffff8152ac7f>] __wait_on_bit+0x5f/0x90
[<ffffffff81124543>] wait_on_page_bit+0x73/0x80
[<ffffffff8109eb80>] ? wake_bit_function+0x0/0x50
[<ffffffff8113a525>] ? pagevec_lookup_tag+0x25/0x40
[<ffffffff8112496b>] wait_on_page_writeback_range+0xfb/0x190
[<ffffffff81139651>] ? do_writepages+0x21/0x40
[<ffffffff81124abb>] ? __filemap_fdatawrite_range+0x5b/0x60
[<ffffffff81124b38>] filemap_write_and_wait_range+0x78/0x90
[<ffffffff811c07ce>] vfs_fsync_range+0x7e/0x100
[<ffffffff811c08bd>] vfs_fsync+0x1d/0x20
[<ffffffffa030c930>] nfs_file_flush+0x70/0xa0 [nfs]
[<ffffffff8118ac4c>] filp_close+0x3c/0x90
[<ffffffff8118ad45>] sys_close+0xa5/0x100
[<ffffffff8100b072>] system_call_fastpath+0x16/0x1b