Počítačovou hru Gravity Circuit (ProtonDB) lze do 14. června do 19:00 získat na Steamu zdarma. Napořád.
Nejnovější X.Org X server 21.1.23 a Xwayland 24.1.12 řeší 9 bezpečnostních chyb.
npm balíčky @redhat-cloud-services byly kompromitovány.
Byly publikovány informace o zranitelnosti CVE-2026-46243 pojmenované CIFSwitch v Linuxu od roku 2007. Běžný uživatel může získat práva roota (lokální eskalaci práv). V upstreamu je již opraveno.
Nvidia na své konferenci NVIDIA GTC Taipei 2026 představila řadu novinek. Společně s Microsoftem představili superčip NVIDIA RTX Spark (až 6 144 jader GPU, 20 jader CPU, 1 petaflop AI výkonu v FP4 a 128 GB jednotné paměti). První notebooky a stolní počítače s tímto čipem od Nvidie místo Intelu nebo AMD by se měly na trh dostat na podzim letošního roku.
Na Kickstarteru běží kampaň na podporu kapesního počítače s Linuxem CardputerZero od společnosti M5Stack. Postaven je na Raspberry Pi Compute Module 0. Podporuje moduly M5. Koupit lze s rozšířeními LoRa a CC1101.
Tento týden se bude vyznačovat zejména deštěm, a proto vás může zajímat, že již v úterý proběhne 63. Virtuální Bastlírna, která se bude odehrávat přímo v teple vašich domovů a bastlíren. Proto se připojte k této volné otevřené diskuzi bastlířů, techniků, vědců, ve které se probírají novinky a zajímavá témata z techniky. Mezi největší novinky bude tentokrát patrně patřit oznámení hackerského nástroje Flipper One. Zároveň úspěšně probíhá
… více »86Box (Wikipedie), tj. emulátor retro počítačů založených na x86, byl vydán ve verzi 6.0. Přibyly například zvuky pevného disku. Na GitHubu jsou vedle zdrojových kódů ke stažení také připravené balíčky ve formátu AppImage.
Byla vydána nová verze 4.6 audio přehrávače Audacious (Wikipedie). Z novinek lze vypíchnout nový plugin pro procházení soubory, podporu audio formátu Musepack SV8 nebo přechod na build systém Meson.
Alliance for Open Media vydala verzi 1.0.0 specifikace svobodného videoformátu AV2. Jean-Baptiste Kempf, prezident neziskové organizace VideoLAN stojící za svobodným multiplatformním multimediálním přehrávačem a frameworkem VLC, představil na svém blogu dekodér AV2 s názvem dav2d.
A nejde to treba resit zavolanim nejaky funkce HALu a udisku, aby ignorovaly to jednotku DVD?Něco jako killall hald?
mount, když nezadáš -t, hádá typ FS právě pomocí blkid.
EVALUATE, vyzerá to zajímavě, cituji:
The "udev" method uses udev /dev/disk/by-* symlinks and the "scan" method scans all block devices from the /proc/partitions file.
char *blkid_devno_to_devname(dev_t devno)
{
struct dir_list *list = NULL, *new_list = NULL;
char *devname = NULL;
const char **dir;
/*
* Add the starting directories to search in reverse order of
* importance, since we are using a stack...
*/
for (dir = devdirs; *dir; dir++)
add_to_dirlist(*dir, NULL, &list);
while (list) {
struct dir_list *current = list;
list = list->next;
DBG(DEBUG_DEVNO, printf("directory %s\n", current->name));
blkid__scan_dir(current->name, devno, &new_list, &devname);
free(current->name);
free(current);
if (devname)
break;
/*
* If we're done checking at this level, descend to
* the next level of subdirectories. (breadth-first)
*/
if (list == NULL) {
list = new_list;
new_list = NULL;
}
}
free_dirlist(&list);
free_dirlist(&new_list);
if (!devname) {
DBG(DEBUG_DEVNO,
printf("blkid: couldn't find devno 0x%04lx\n",
(unsigned long) devno));
} else {
DBG(DEBUG_DEVNO,
printf("found devno 0x%04llx as %s\n", (long long)devno, devname));
}
return devname;
}
Hledání souboru zařízení skenováním předdefinovaných adresářů a na každý nalezený soubor volat fstat(), aby ho našel, to se na mě nezlobte, ale je to prasárna. Ono to totiž zatím "nějak" funguje, tak to nikoho netrápí.if (S_ISBLK(sb.st_mode) && ioctl(fd, CDROM_GET_CAPABILITY, NULL) >= 0) pr->flags |= BLKID_CDROM_DEV;To jako, že character device nemůže být CD-ROM? Např /dev/sg1 u mě je character device a CD-ROM to teda je. Ale pravda, že udisks testuje jen blokové zařízení.
Blkid je část e2fsprogs a je to poměrně klíčová součást systému.Niektoré distribúcie používajú verziu knižnice, ktoré je v util-linux-ng.
....
nějaký věcičky k zavádění procesu do paměti a tak
....
23:56:09 open("/dev/sr0", O_RDONLY) = 3
23:56:09 fadvise64(3, 0, 0, POSIX_FADV_RANDOM) = 0
23:56:09 fstat(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(11, 0), ...}) = 0
23:56:09 uname({sys="Linux", node="Jardik-PC", ...}) = 0
23:56:09 ioctl(3, BLKGETSIZE64, 0xe11020) = 0
23:56:09 fstat(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(11, 0), ...}) = 0
23:56:09 lseek(3, 0, SEEK_SET) = 0
23:56:09 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:56:27 lseek(3, 0, SEEK_SET) = 0
23:56:27 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:56:35 lseek(3, 0, SEEK_SET) = 0
23:56:35 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:56:44 lseek(3, 0, SEEK_SET) = 0
23:56:44 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:56:53 ioctl(3, BLKSSZGET, 0xe11030) = 0
23:56:53 lseek(3, 0, SEEK_SET) = 0
23:56:53 read(3, 0xe11808, 512) = -1 EIO (Input/output error)
23:57:02 lseek(3, 0, SEEK_SET) = 0
23:57:02 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:57:11 lseek(3, 0, SEEK_SET) = 0
23:57:11 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:57:20 lseek(3, 0, SEEK_SET) = 0
23:57:20 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:57:29 lseek(3, 0, SEEK_SET) = 0
23:57:29 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:57:38 lseek(3, 28672, SEEK_SET) = 28672
23:57:38 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:57:47 lseek(3, 0, SEEK_SET) = 0
23:57:47 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:57:56 lseek(3, 0, SEEK_SET) = 0
23:57:56 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:58:05 lseek(3, 0, SEEK_SET) = 0
23:58:05 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:58:14 lseek(3, 0, SEEK_SET) = 0
23:58:14 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:58:22 lseek(3, 0, SEEK_SET) = 0
23:58:22 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:58:31 lseek(3, 0, SEEK_SET) = 0
23:58:31 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:58:40 lseek(3, 0, SEEK_SET) = 0
23:58:40 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:58:49 lseek(3, 0, SEEK_SET) = 0
23:58:49 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:58:58 lseek(3, 0, SEEK_SET) = 0
23:58:58 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:59:07 lseek(3, 0, SEEK_SET) = 0
23:59:07 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:59:16 lseek(3, 0, SEEK_SET) = 0
23:59:16 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:59:25 lseek(3, 0, SEEK_SET) = 0
23:59:25 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:59:34 lseek(3, 3072, SEEK_SET) = 3072
23:59:34 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:59:43 lseek(3, 3072, SEEK_SET) = 3072
23:59:43 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
23:59:52 lseek(3, 3072, SEEK_SET) = 3072
23:59:52 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:00:00 lseek(3, 3072, SEEK_SET) = 3072
00:00:00 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:00:09 lseek(3, 7168, SEEK_SET) = 7168
00:00:09 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:00:18 lseek(3, 7168, SEEK_SET) = 7168
00:00:18 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:00:27 lseek(3, 7168, SEEK_SET) = 7168
00:00:27 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:00:36 lseek(3, 7168, SEEK_SET) = 7168
00:00:36 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:00:45 lseek(3, 15360, SEEK_SET) = 15360
00:00:45 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:00:54 lseek(3, 15360, SEEK_SET) = 15360
00:00:54 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:01:03 lseek(3, 15360, SEEK_SET) = 15360
00:01:03 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:01:12 lseek(3, 15360, SEEK_SET) = 15360
00:01:12 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:01:21 lseek(3, 31744, SEEK_SET) = 31744
00:01:21 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:01:30 lseek(3, 31744, SEEK_SET) = 31744
00:01:30 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:01:38 lseek(3, 31744, SEEK_SET) = 31744
00:01:38 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:01:47 lseek(3, 31744, SEEK_SET) = 31744
00:01:47 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:01:56 lseek(3, 64512, SEEK_SET) = 64512
00:01:56 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:02:05 lseek(3, 64512, SEEK_SET) = 64512
00:02:05 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:02:14 lseek(3, 64512, SEEK_SET) = 64512
00:02:14 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:02:23 lseek(3, 64512, SEEK_SET) = 64512
00:02:23 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:02:32 lseek(3, 3072, SEEK_SET) = 3072
00:02:32 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:02:41 lseek(3, 3072, SEEK_SET) = 3072
00:02:41 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:02:50 lseek(3, 7168, SEEK_SET) = 7168
00:02:50 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:02:59 lseek(3, 7168, SEEK_SET) = 7168
00:02:59 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:03:08 lseek(3, 15360, SEEK_SET) = 15360
00:03:08 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:03:17 lseek(3, 15360, SEEK_SET) = 15360
00:03:17 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:03:25 lseek(3, 31744, SEEK_SET) = 31744
00:03:25 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:03:34 lseek(3, 31744, SEEK_SET) = 31744
00:03:34 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:03:43 lseek(3, 64512, SEEK_SET) = 64512
00:03:43 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:03:52 lseek(3, 64512, SEEK_SET) = 64512
00:03:52 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:04:01 lseek(3, 0, SEEK_SET) = 0
00:04:01 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:04:10 lseek(3, 1024, SEEK_SET) = 1024
00:04:10 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:04:19 lseek(3, 1024, SEEK_SET) = 1024
00:04:19 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:04:28 lseek(3, 1024, SEEK_SET) = 1024
00:04:28 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:04:37 lseek(3, 1024, SEEK_SET) = 1024
00:04:37 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:04:46 lseek(3, 1024, SEEK_SET) = 1024
00:04:46 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:04:55 lseek(3, 8192, SEEK_SET) = 8192
00:04:55 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:05:04 lseek(3, 65536, SEEK_SET) = 65536
00:05:04 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:05:12 lseek(3, 65536, SEEK_SET) = 65536
00:05:12 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:05:20 lseek(3, 65536, SEEK_SET) = 65536
00:05:20 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:05:28 lseek(3, 8192, SEEK_SET) = 8192
00:05:28 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:05:37 lseek(3, 65536, SEEK_SET) = 65536
00:05:37 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:05:46 lseek(3, 32768, SEEK_SET) = 32768
00:05:46 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:05:54 lseek(3, 32768, SEEK_SET) = 32768
00:05:54 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:06:03 lseek(3, 32768, SEEK_SET) = 32768
00:06:03 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:06:12 lseek(3, 32768, SEEK_SET) = 32768
00:06:12 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:06:21 lseek(3, 32768, SEEK_SET) = 32768
00:06:21 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:06:30 lseek(3, 32768, SEEK_SET) = 32768
00:06:30 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:06:39 lseek(3, 32768, SEEK_SET) = 32768
00:06:39 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:06:48 lseek(3, 32768, SEEK_SET) = 32768
00:06:48 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:06:57 lseek(3, 32768, SEEK_SET) = 32768
00:06:57 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:07:06 lseek(3, 32768, SEEK_SET) = 32768
00:07:06 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:07:15 lseek(3, 131072, SEEK_SET) = 131072
00:07:15 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:07:23 lseek(3, 131072, SEEK_SET) = 131072
00:07:23 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:07:31 lseek(3, 135168, SEEK_SET) = 135168
00:07:31 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:07:39 lseek(3, 135168, SEEK_SET) = 135168
00:07:39 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:07:48 lseek(3, 139264, SEEK_SET) = 139264
00:07:48 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:07:56 lseek(3, 139264, SEEK_SET) = 139264
00:07:56 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:08:04 lseek(3, 393216, SEEK_SET) = 393216
00:08:04 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:08:12 lseek(3, 393216, SEEK_SET) = 393216
00:08:12 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:08:21 lseek(3, 397312, SEEK_SET) = 397312
00:08:21 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:08:29 lseek(3, 397312, SEEK_SET) = 397312
00:08:29 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:08:37 lseek(3, 401408, SEEK_SET) = 401408
00:08:37 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:08:46 lseek(3, 401408, SEEK_SET) = 401408
00:08:46 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:08:54 lseek(3, 1024, SEEK_SET) = 1024
00:08:54 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:09:03 lseek(3, 1024, SEEK_SET) = 1024
00:09:03 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:09:12 lseek(3, 1024, SEEK_SET) = 1024
00:09:12 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:09:21 lseek(3, 1024, SEEK_SET) = 1024
00:09:21 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:09:30 lseek(3, 0, SEEK_SET) = 0
00:09:30 read(3, 0xe11808, 1377) = -1 EIO (Input/output error)
00:09:39 lseek(3, 8192, SEEK_SET) = 8192
00:09:39 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:09:48 lseek(3, 512, SEEK_SET) = 512
00:09:48 read(3, 0xe11808, 512) = -1 EIO (Input/output error)
00:09:56 lseek(3, 2048, SEEK_SET) = 2048
00:09:56 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:10:05 lseek(3, 2048, SEEK_SET) = 2048
00:10:05 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:10:14 lseek(3, 0, SEEK_SET) = 0
00:10:14 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:10:23 lseek(3, 0, SEEK_SET) = 0
00:10:23 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:10:32 lseek(3, 0, SEEK_SET) = 0
00:10:32 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:10:41 lseek(3, 0, SEEK_SET) = 0
00:10:41 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:10:50 lseek(3, 1024, SEEK_SET) = 1024
00:10:50 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:10:59 lseek(3, 1024, SEEK_SET) = 1024
00:10:59 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:11:08 lseek(3, 1024, SEEK_SET) = 1024
00:11:08 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:11:17 lseek(3, 1024, SEEK_SET) = 1024
00:11:17 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:11:26 lseek(3, 1024, SEEK_SET) = 1024
00:11:26 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:11:34 lseek(3, 65536, SEEK_SET) = 65536
00:11:34 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:11:43 lseek(3, 65536, SEEK_SET) = 65536
00:11:43 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:11:51 lseek(3, 8192, SEEK_SET) = 8192
00:11:51 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:12:00 lseek(3, 1024, SEEK_SET) = 1024
00:12:00 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:12:09 lseek(3, 2048, SEEK_SET) = 2048
00:12:09 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:12:18 lseek(3, 4096, SEEK_SET) = 4096
00:12:18 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:12:27 lseek(3, 8192, SEEK_SET) = 8192
00:12:27 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:12:36 lseek(3, 0, SEEK_SET) = 0
00:12:36 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:12:45 lseek(3, 1024, SEEK_SET) = 1024
00:12:45 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:12:54 lseek(3, 0, SEEK_SET) = 0
00:12:54 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:13:03 lseek(3, 0, SEEK_SET) = 0
00:13:03 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:13:11 lseek(3, 0, SEEK_SET) = 0
00:13:11 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:13:20 lseek(3, 0, SEEK_SET) = 0
00:13:20 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:13:29 lseek(3, 4096, SEEK_SET) = 4096
00:13:29 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:13:38 lseek(3, 65536, SEEK_SET) = 65536
00:13:38 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:13:46 lseek(3, 0, SEEK_SET) = 0
00:13:46 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:13:55 lseek(3, 0, SEEK_SET) = 0
00:13:55 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:14:04 lseek(3, 2097152, SEEK_SET) = 2097152
00:14:04 read(3, 0xe11808, 1024) = -1 EIO (Input/output error)
00:14:13 close(3) = 0
00:14:13 exit_group(2) = ?
Pro každej typ FS, co to zná to v podstatě hledá, jestli tam je superblok a pod. Jenže vždy čtení selže. Otázkou je proč. Schválně jsem si napsal testovací prográmek, kterej čte bloky o velikostech 512B - 32k. U CD/DVD/BD je správná velikost bloku 2k, jenže tam je taky chyba. I u 32k (velikost ECC bloku) je chyba. MMC standard nám říká:
When recorded, DVD+RW medium is ECC block readable. An intelligent controller may separate individual sector data from a decoded ECC block. Thus for the Host, DVD+RW media is 2 048 byte sector readable.
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