Package: parted;
Reported by: "Andreas K. Huettel" <dilfridge <at> gentoo.org>
Date: Fri, 2 May 2025 03:28:01 UTC
Severity: normal
Done: "Brian C. Lane" <bcl <at> redhat.com>
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bug-parted <at> gnu.org:bug#78202; Package parted.
(Fri, 02 May 2025 03:28:02 GMT) Full text and rfc822 format available."Andreas K. Huettel" <dilfridge <at> gentoo.org>:bug-parted <at> gnu.org.
(Fri, 02 May 2025 03:28:02 GMT) Full text and rfc822 format available.Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: "Andreas K. Huettel" <dilfridge <at> gentoo.org> To: bug-parted <at> gnu.org Cc: releng <at> gentoo.org Subject: "parted -s /dev/nbd0 mklabel gpt" fails without error message only in release automation Date: Thu, 01 May 2025 22:37:10 +0200
[Message part 1 (text/plain, inline)]
Dear all,
I'm recently running into a strange problem in the Gentoo release build automation, and need help.
We use parted to create label and partitions in a qcow2 image available via qemu-nbd.
https://gitweb.gentoo.org/proj/catalyst.git/tree/targets/support/create-qcow2.sh#n96
This worked fine for quite some time.
Recently, it stopped working, there is no error message at all, but the command
parted -s /dev/nbd0 mklabel gpt
returns 1.
If I run the same command outside the release automation manually, the return code is 0 and
everything is fine.
I inserted strace to see what's wrong. The log follows- any ideas?
Thanks in advance,
Andreas
5852 execve("/bin/parted", ["parted", "-s", "/dev/nbd0", "mklabel", "gpt"], 0x7ffe843aef10 /* 87 vars */) = 0
5853 brk(NULL) = 0x559c452fe000
5854 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd9ec63f000
5855 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
5856 openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
5857 fstat(3, {st_mode=S_IFREG|0644, st_size=46930, ...}) = 0
5858 mmap(NULL, 46930, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fd9ec633000
5859 close(3) = 0
5860 openat(AT_FDCWD, "/usr/lib64/libparted.so.2", O_RDONLY|O_CLOEXEC) = 3
5861 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
5862 fstat(3, {st_mode=S_IFREG|0755, st_size=319952, ...}) = 0
5863 mmap(NULL, 334840, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd9ec5e1000
5864 mmap(0x7fd9ec5ec000, 184320, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = 0x7fd9ec5ec000
5865 mmap(0x7fd9ec619000, 73728, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x38000) = 0x7fd9ec619000
5866 mmap(0x7fd9ec62b000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4a000) = 0x7fd9ec62b000
5867 mmap(0x7fd9ec62f000, 15352, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fd9ec62f000
5868 close(3) = 0
5869 openat(AT_FDCWD, "/usr/lib64/libreadline.so.8", O_RDONLY|O_CLOEXEC) = 3
5870 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
5871 fstat(3, {st_mode=S_IFREG|0755, st_size=363504, ...}) = 0
5872 mmap(NULL, 367312, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd9ec587000
5873 mmap(0x7fd9ec59c000, 200704, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7fd9ec59c000
5874 mmap(0x7fd9ec5cd000, 40960, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x46000) = 0x7fd9ec5cd000
5875 mmap(0x7fd9ec5d7000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x50000) = 0x7fd9ec5d7000
5876 mmap(0x7fd9ec5e0000, 2768, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fd9ec5e0000
5877 close(3) = 0
5878 openat(AT_FDCWD, "/usr/lib64/libuuid.so.1", O_RDONLY|O_CLOEXEC) = 3
5879 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
5880 fstat(3, {st_mode=S_IFREG|0755, st_size=34896, ...}) = 0
5881 mmap(NULL, 36936, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd9ec57d000
5882 mmap(0x7fd9ec57f000, 20480, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fd9ec57f000
5883 mmap(0x7fd9ec584000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7fd9ec584000
5884 mmap(0x7fd9ec585000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7fd9ec585000
5885 close(3) = 0
5886 openat(AT_FDCWD, "/usr/lib64/libtinfo.so.6", O_RDONLY|O_CLOEXEC) = 3
5887 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
5888 fstat(3, {st_mode=S_IFREG|0755, st_size=240720, ...}) = 0
5889 mmap(NULL, 244344, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd9ec541000
5890 mmap(0x7fd9ec548000, 126976, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7fd9ec548000
5891 mmap(0x7fd9ec567000, 69632, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x26000) = 0x7fd9ec567000
5892 mmap(0x7fd9ec578000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x36000) = 0x7fd9ec578000
5893 close(3) = 0
5894 openat(AT_FDCWD, "/usr/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
5895 read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260e\2\0\0\0\0\0"..., 832) = 832
5896 pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 784, 64) = 784
5897 fstat(3, {st_mode=S_IFREG|0755, st_size=1831232, ...}) = 0
5898 pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 784, 64) = 784
5899 mmap(NULL, 1862648, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd9ec37a000
5900 mmap(0x7fd9ec39e000, 1323008, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x24000) = 0x7fd9ec39e000
5901 mmap(0x7fd9ec4e1000, 335872, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x167000) = 0x7fd9ec4e1000
5902 mmap(0x7fd9ec533000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b8000) = 0x7fd9ec533000
5903 mmap(0x7fd9ec539000, 31736, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fd9ec539000
5904 close(3) = 0
5905 openat(AT_FDCWD, "/usr/lib64/libblkid.so.1", O_RDONLY|O_CLOEXEC) = 3
5906 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
5907 fstat(3, {st_mode=S_IFREG|0755, st_size=383968, ...}) = 0
5908 mmap(NULL, 381888, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd9ec31c000
5909 mmap(0x7fd9ec322000, 253952, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7fd9ec322000
5910 mmap(0x7fd9ec360000, 77824, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x44000) = 0x7fd9ec360000
5911 mmap(0x7fd9ec373000, 28672, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x57000) = 0x7fd9ec373000
5912 close(3) = 0
5913 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd9ec31a000
5914 openat(AT_FDCWD, "/usr/lib64/libtinfow.so.6", O_RDONLY|O_CLOEXEC) = 3
5915 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
5916 fstat(3, {st_mode=S_IFREG|0755, st_size=240744, ...}) = 0
5917 mmap(NULL, 244472, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd9ec2de000
5918 mmap(0x7fd9ec2e5000, 126976, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7fd9ec2e5000
5919 mmap(0x7fd9ec304000, 69632, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x26000) = 0x7fd9ec304000
5920 mmap(0x7fd9ec315000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x36000) = 0x7fd9ec315000
5921 close(3) = 0
5922 mmap(NULL, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd9ec2db000
5923 arch_prctl(ARCH_SET_FS, 0x7fd9ec2db780) = 0
5924 set_tid_address(0x7fd9ec2dba50) = 2030175
5925 set_robust_list(0x7fd9ec2dba60, 24) = 0
5926 rseq(0x7fd9ec2dc0a0, 0x20, 0, 0x53053053) = 0
5927 mprotect(0x7fd9ec533000, 16384, PROT_READ) = 0
5928 mprotect(0x7fd9ec315000, 16384, PROT_READ) = 0
5929 mprotect(0x7fd9ec373000, 24576, PROT_READ) = 0
5930 mprotect(0x7fd9ec578000, 16384, PROT_READ) = 0
5931 mprotect(0x7fd9ec585000, 4096, PROT_READ) = 0
5932 mprotect(0x7fd9ec5d7000, 12288, PROT_READ) = 0
5933 mprotect(0x7fd9ec62b000, 12288, PROT_READ) = 0
5934 mprotect(0x559c2088b000, 4096, PROT_READ) = 0
5935 mprotect(0x7fd9ec679000, 8192, PROT_READ) = 0
5936 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
5937 munmap(0x7fd9ec633000, 46930) = 0
5938 getrandom("\xd3\x7e\x23\x17\xd2\x5e\x66\x43", 8, GRND_NONBLOCK) = 8
5939 brk(NULL) = 0x559c452fe000
5940 brk(0x559c4531f000) = 0x559c4531f000
5941 rt_sigaction(SIGSEGV, {sa_handler=0x559c20882670, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fd9ec3b6b80}, NULL, 8) = 0
5942 rt_sigaction(SIGINT, {sa_handler=0x559c20882920, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fd9ec3b6b80}, NULL, 8) = 0
5943 rt_sigaction(SIGFPE, {sa_handler=0x559c20882560, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fd9ec3b6b80}, NULL, 8) = 0
5944 rt_sigaction(SIGILL, {sa_handler=0x559c20882450, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fd9ec3b6b80}, NULL, 8) = 0
5945 getuid() = 0
5946 readlink("/dev", 0x7ffe100cf380, 1023) = -1 EINVAL (Invalid argument)
5947 readlink("/dev/nbd0", 0x7ffe100cf380, 1023) = -1 EINVAL (Invalid argument)
5948 newfstatat(AT_FDCWD, "/dev/nbd0", {st_mode=S_IFBLK|0660, st_rdev=makedev(0x2b, 0), ...}, 0) = 0
5949 openat(AT_FDCWD, "/proc/devices", O_RDONLY) = 3
5950 read(3, "Character devices:\n 1 mem\n 4 /"..., 16384) = 630
5951 read(3, "", 16384) = 0
5952 close(3) = 0
5953 openat(AT_FDCWD, "/proc/devices", O_RDONLY) = 3
5954 read(3, "Character devices:\n 1 mem\n 4 /"..., 16384) = 630
5955 read(3, "", 16384) = 0
5956 close(3) = 0
5957 openat(AT_FDCWD, "/proc/devices", O_RDONLY) = 3
5958 read(3, "Character devices:\n 1 mem\n 4 /"..., 16384) = 630
5959 read(3, "", 16384) = 0
5960 close(3) = 0
5961 newfstatat(AT_FDCWD, "/dev/nbd0", {st_mode=S_IFBLK|0660, st_rdev=makedev(0x2b, 0), ...}, 0) = 0
5962 openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
5963 openat(AT_FDCWD, "/sys/block/nbd0/ext_range", O_RDONLY) = 4
5964 fstat(4, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
5965 read(4, "256\n", 4096) = 4
5966 close(4) = 0
5967 ioctl(3, BLKFLSBUF) = 0
5968 newfstatat(AT_FDCWD, "/dev/nbd0p1", 0x7ffe100cf440, 0) = -1 ENOENT (No such file or directory)
5969 openat(AT_FDCWD, "/dev/nbd0p1", O_WRONLY) = -1 ENOENT (No such file or directory)
5970 newfstatat(AT_FDCWD, "/dev/nbd0p2", 0x7ffe100cf440, 0) = -1 ENOENT (No such file or directory)
5971 openat(AT_FDCWD, "/dev/nbd0p2", O_WRONLY) = -1 ENOENT (No such file or directory)
5972 newfstatat(AT_FDCWD, "/dev/nbd0p3", 0x7ffe100cf440, 0) = -1 ENOENT (No such file or directory)
5973 openat(AT_FDCWD, "/dev/nbd0p3", O_WRONLY) = -1 ENOENT (No such file or directory)
5974 newfstatat(AT_FDCWD, "/dev/nbd0p4", 0x7ffe100cf440, 0) = -1 ENOENT (No such file or directory)
5975 openat(AT_FDCWD, "/dev/nbd0p4", O_WRONLY) = -1 ENOENT (No such file or directory)
[...]
6474 newfstatat(AT_FDCWD, "/dev/nbd0p254", 0x7ffe100cf440, 0) = -1 ENOENT (No such file or directory)
6475 openat(AT_FDCWD, "/dev/nbd0p254", O_WRONLY) = -1 ENOENT (No such file or directory)
6476 newfstatat(AT_FDCWD, "/dev/nbd0p255", 0x7ffe100cf440, 0) = -1 ENOENT (No such file or directory)
6477 openat(AT_FDCWD, "/dev/nbd0p255", O_WRONLY) = -1 ENOENT (No such file or directory)
6478 newfstatat(AT_FDCWD, "/dev/nbd0", {st_mode=S_IFBLK|0660, st_rdev=makedev(0x2b, 0), ...}, 0) = 0
6479 uname({sysname="Linux", nodename="catalyst", ...}) = 0
6480 ioctl(3, BLKSSZGET, [512]) = 0
6481 fadvise64(3, 0, 0, POSIX_FADV_RANDOM) = 0
6482 fstat(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(0x2b, 0), ...}) = 0
6483 ioctl(3, BLKGETSIZE64, [0]) = 0
6484 ioctl(3, FDGETFDCSTAT, 0x7ffe100ce360) = -1 EINVAL (Invalid argument)
6485 openat(AT_FDCWD, "/sys/dev/block/43:0", O_RDONLY|O_CLOEXEC) = 4
6486 openat(4, "dm/uuid", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
6487 close(4) = 0
6488 ioctl(3, BLKGETZONESZ, [0]) = 0
6489 openat(AT_FDCWD, "/sys/dev/block/43:0", O_RDONLY|O_CLOEXEC) = 4
6490 faccessat2(4, "alignment_offset", F_OK, 0) = 0
6491 openat(4, "alignment_offset", O_RDONLY|O_CLOEXEC) = 5
6492 fcntl(5, F_GETFL) = 0x8000 (flags O_RDONLY|O_LARGEFILE)
6493 fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
6494 read(5, "0\n", 4096) = 2
6495 close(5) = 0
6496 faccessat2(4, "queue/minimum_io_size", F_OK, 0) = 0
6497 openat(4, "queue/minimum_io_size", O_RDONLY|O_CLOEXEC) = 5
6498 fcntl(5, F_GETFL) = 0x8000 (flags O_RDONLY|O_LARGEFILE)
6499 fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
6500 read(5, "512\n", 4096) = 4
6501 close(5) = 0
6502 faccessat2(4, "queue/optimal_io_size", F_OK, 0) = 0
6503 openat(4, "queue/optimal_io_size", O_RDONLY|O_CLOEXEC) = 5
6504 fcntl(5, F_GETFL) = 0x8000 (flags O_RDONLY|O_LARGEFILE)
6505 fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
6506 read(5, "131072\n", 4096) = 7
6507 close(5) = 0
6508 faccessat2(4, "queue/physical_block_size", F_OK, 0) = 0
6509 openat(4, "queue/physical_block_size", O_RDONLY|O_CLOEXEC) = 5
6510 fcntl(5, F_GETFL) = 0x8000 (flags O_RDONLY|O_LARGEFILE)
6511 fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
6512 read(5, "512\n", 4096) = 4
6513 close(5) = 0
6514 faccessat2(4, "queue/dax", F_OK, 0) = 0
6515 openat(4, "queue/dax", O_RDONLY|O_CLOEXEC) = 5
6516 fcntl(5, F_GETFL) = 0x8000 (flags O_RDONLY|O_LARGEFILE)
6517 fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
6518 read(5, "0\n", 4096) = 2
6519 close(5) = 0
6520 faccessat2(4, "diskseq", F_OK, 0) = 0
6521 openat(4, "diskseq", O_RDONLY|O_CLOEXEC) = 5
6522 fcntl(5, F_GETFL) = 0x8000 (flags O_RDONLY|O_LARGEFILE)
6523 fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
6524 read(5, "6642\n", 4096) = 5
6525 close(5) = 0
6526 close(4) = 0
6527 ioctl(3, BLKSSZGET, [512]) = 0
6528 ioctl(3, BLKGETSIZE64, [0]) = 0
6529 ioctl(3, BLKGETSIZE64, [0]) = 0
6530 fsync(3) = 0
6531 close(3) = 0
6532 close(1) = 0
6533 close(2) = 0
6534 exit_group(1) = ?
6535 +++ exited with 1 +++
--
Andreas K. Hüttel
dilfridge <at> gentoo.org
Gentoo Linux developer
(council, comrel, toolchain, base-system, perl, libreoffice)
https://wiki.gentoo.org/wiki/User:Dilfridge
[signature.asc (application/pgp-signature, inline)]
bug-parted <at> gnu.org:bug#78202; Package parted.
(Fri, 02 May 2025 16:20:01 GMT) Full text and rfc822 format available.Message #8 received at 78202 <at> debbugs.gnu.org (full text, mbox):
From: "Brian C. Lane" <bcl <at> redhat.com> To: "Andreas K. Huettel" <dilfridge <at> gentoo.org> Cc: 78202 <at> debbugs.gnu.org, releng <at> gentoo.org Subject: Re: bug#78202: "parted -s /dev/nbd0 mklabel gpt" fails without error message only in release automation Date: Fri, 2 May 2025 09:19:36 -0700
On Thu, May 01, 2025 at 10:37:10PM +0200, Andreas K. Huettel wrote:
> Dear all,
>
> I'm recently running into a strange problem in the Gentoo release build automation, and need help.
>
> We use parted to create label and partitions in a qcow2 image available via qemu-nbd.
> https://gitweb.gentoo.org/proj/catalyst.git/tree/targets/support/create-qcow2.sh#n96
>
> This worked fine for quite some time.
>
> Recently, it stopped working, there is no error message at all, but the command
> parted -s /dev/nbd0 mklabel gpt
> returns 1.
>
> If I run the same command outside the release automation manually, the return code is 0 and
> everything is fine.
>
> I inserted strace to see what's wrong. The log follows- any ideas?
>
> Thanks in advance,
> Andreas
>
[snip]
> 6480 ioctl(3, BLKSSZGET, [512]) = 0
> 6481 fadvise64(3, 0, 0, POSIX_FADV_RANDOM) = 0
> 6482 fstat(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(0x2b, 0), ...}) = 0
> 6483 ioctl(3, BLKGETSIZE64, [0]) = 0
That looks bad :) It's reporting the disk size is zero. No idea why, it
seems to get the sector size and later on the io size, etc. ok but a
zero length disk will certainly cause problems.
I've never used nbd much, but my guess would be that this is a setup
timing issue, that you need to do something else to make double extra
sure that the nbd device is really completely setup and ready to use.
Adding a sleep may help identify the problem, but I wouldn't depend on
it as a solution.
I'd also recommend adding some checks to make sure device nodes are
really present before you create the filesystem, as well as 'udevadm
settle' to make sure udev has finished up in the background. These are
problems we used to hit in the parted test suite, and came up with this
code:
https://github.com/bcl/parted/blob/master/tests/t-local.sh#L45
Good luck!
Brian
--
Brian C. Lane (PST8PDT) - weldr.io - lorax - parted - pykickstart
"Brian C. Lane" <bcl <at> redhat.com>:"Andreas K. Huettel" <dilfridge <at> gentoo.org>:Message #13 received at 78202-close <at> debbugs.gnu.org (full text, mbox):
From: "Brian C. Lane" <bcl <at> redhat.com> To: 78202-close <at> debbugs.gnu.org Subject: Re: bug#78202: "parted -s /dev/nbd0 mklabel gpt" fails without error message only in release automation Date: Fri, 2 May 2025 09:37:03 -0700
-- Brian C. Lane (PST8PDT) - weldr.io - lorax - parted - pykickstart
bug-parted <at> gnu.org:bug#78202; Package parted.
(Sun, 04 May 2025 12:52:06 GMT) Full text and rfc822 format available.Message #16 received at 78202 <at> debbugs.gnu.org (full text, mbox):
From: "Andreas K. Huettel" <dilfridge <at> gentoo.org> To: "Brian C. Lane" <bcl <at> redhat.com> Cc: 78202 <at> debbugs.gnu.org, releng <at> gentoo.org Subject: Re: bug#78202: "parted -s /dev/nbd0 mklabel gpt" fails without error message only in release automation Date: Sun, 04 May 2025 14:50:52 +0200
[Message part 1 (text/plain, inline)]
Am Freitag, 2. Mai 2025, 18:19:36 Mitteleuropäische Sommerzeit schrieben Sie:
> >
>
> [snip]
>
> > 6480 ioctl(3, BLKSSZGET, [512]) = 0
> > 6481 fadvise64(3, 0, 0, POSIX_FADV_RANDOM) = 0
> > 6482 fstat(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(0x2b, 0), ...}) = 0
> > 6483 ioctl(3, BLKGETSIZE64, [0]) = 0
>
> That looks bad :) It's reporting the disk size is zero. No idea why, it
> seems to get the sector size and later on the io size, etc. ok but a
> zero length disk will certainly cause problems.
Yes that's a good data point indeed, thank you.
>
> I've never used nbd much, but my guess would be that this is a setup
> timing issue, that you need to do something else to make double extra
> sure that the nbd device is really completely setup and ready to use.
>
> Adding a sleep may help identify the problem, but I wouldn't depend on
> it as a solution.
Interestingly, 5s sleep seems to help (I went for an ample amount, since
the process is not time critical).
So we seem to be good for the moment.
Some other log reading in the meantime turned up that the problem may have
started when the build host was upgraded from kernel 6.6 to 6.12 ...
something to maybe look at and verify later here. Unfortunately the machine
is very busy and I want to avoid too many reboots.
>
> I'd also recommend adding some checks to make sure device nodes are
> really present before you create the filesystem, as well as 'udevadm
> settle' to make sure udev has finished up in the background. These are
> problems we used to hit in the parted test suite, and came up with this
> code:
>
> https://github.com/bcl/parted/blob/master/tests/t-local.sh#L45
Thanks a lot!
Andreas
>
> Good luck!
>
> Brian
>
>
--
Andreas K. Hüttel
dilfridge <at> gentoo.org
Gentoo Linux developer
(council, comrel, toolchain, base-system, perl, libreoffice)
https://wiki.gentoo.org/wiki/User:Dilfridge
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