blob: 57e51da914d4a507140387e6bc66b3fb36fe1937 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
diff -rupN WoeUSB-3.3.0/src/woeusb WoeUSB-3.3.0-fix/src/woeusb
--- WoeUSB-3.3.0/src/woeusb 2019-03-26 03:34:51.000000000 +0100
+++ WoeUSB-3.3.0-fix/src/woeusb 2019-08-03 09:10:10.553378730 +0200
@@ -308,9 +308,6 @@ init(){
current_state=copying-filesystem
- workaround_linux_make_writeback_buffering_not_suck \
- apply
-
copy_filesystem_files \
"${source_fs_mountpoint}" \
"${target_fs_mountpoint}" \
@@ -1650,41 +1647,6 @@ workaround_support_windows_7_uefi_boot()
> "${efi_boot_directory}/bootx64.efi"
}; declare -fr workaround_support_windows_7_uefi_boot
-## Currently WoeUSB indirectly causes severely unresponsive system on 64-bit architecture with large primary memory during file copy process due to a flaw of the writeback buffer size handling in Linux kernel, workaround it before it is fixed
-## Refer:
-## - System lagging while copying data · Issue #113 · slacka/WoeUSB <https://github.com/slacka/WoeUSB/issues/113>
-## - The pernicious USB-stick stall problem [LWN.net] <https://lwn.net/Articles/572911/>
-workaround_linux_make_writeback_buffering_not_suck(){
- util_check_function_parameters_quantity 1 "${#}"
- local -r mode="${1}"
-
- local -ir VM_DIRTY_BACKGROUND_BYTES=$((16*1024*1024)) # 16MiB
- local -ir VM_DIRTY_BYTES=$((48*1024*1024)) # 48MiB
-
- case "${mode}" in
- apply)
- echo_with_color \
- yellow \
- 'Applying workaround to prevent 64-bit systems with big primary memory from being unresponsive during copying files.'
- echo "${VM_DIRTY_BACKGROUND_BYTES}" > /proc/sys/vm/dirty_background_bytes
- echo "${VM_DIRTY_BYTES}" > /proc/sys/vm/dirty_bytes
- ;;
- reset)
- echo_with_color \
- yellow \
- 'Resetting workaround to prevent 64-bit systems with big primary memory from being unresponsive during copying files.'
- echo 0 > /proc/sys/vm/dirty_background_bytes
- echo 0 > /proc/sys/vm/dirty_bytes
- ;;
- *)
- printf_with_color \
- red \
- 'Fatal: %s: Unexpected *mode* encountered, please report bug.\n' \
- "${FUNCNAME[0]}"
- ;;
- esac
-}; declare -fr workaround_linux_make_writeback_buffering_not_suck
-
install_legacy_pc_bootloader_grub(){
util_check_function_parameters_quantity 3 "${#}"
local -r target_fs_mountpoint="${1}"; shift 1
@@ -1836,13 +1798,6 @@ trap_exit(){
off \
"${global_only_for_gui}"
- case "${current_state}" in
- copying-filesystem|finished)
- workaround_linux_make_writeback_buffering_not_suck \
- reset
- ;;
- esac
-
if util_is_parameter_set_and_not_empty \
source_fs_mountpoint; then
if ! cleanup_mountpoint \
|