Hi,

I'm guessing that the "list" doesn't care for attachments. Yes?

Here's a snip of that file in "human" text AND the last snip of a new strace on 
blkid.

Regards,

George...


2354 [  178.045072] sysrq: Show Blocked State
2355 [  178.046023]   task                        PC stack   pid father
2356 [  178.046824] systemd-udevd   D13880   769    517 0x00000100
2357 [  178.047610] Call Trace:
2358 [  178.048176]  ? __schedule+0x32b/0x9f0
2359 [  178.048781]  schedule+0x5f/0xd0
2360 [  178.049378]  rwsem_down_write_slowpath+0x2ae/0x520
2361 [  178.050066]  down_write+0x119/0x120
2362 [  178.050598]  block_llseek+0x2f/0x60
2363 [  178.051140]  ksys_lseek+0x80/0xc0
2364 [  178.051657]  do_syscall_64+0x5c/0xa0
2365 [  178.052185]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
2366 [  178.052812] RIP: 0033:0x7fdf70ce84db
2367 [  178.053337] Code: Bad RIP value.
2368 [  178.053840] RSP: 002b:00007fff72944a58 EFLAGS: 00000246 ORIG_RAX: 
0000000000000008
2369 [  178.054890] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 
00007fdf70ce84db
2370 [  178.055366] RDX: 0000000000000000 RSI: 00000001ffff0000 RDI: 
000000000000000e
2371 [  178.055944] RBP: 00000001ffff0000 R08: 000000000000000e R09: 
00000001ffff0040
2372 [  178.056575] R10: 0000000000000000 R11: 0000000000000246 R12: 
0000000000000000
2373 [  178.057080] R13: 000055bf6987b900 R14: 000055bf6987b950 R15: 
000055bf6987b950
2374 [  178.057510] blkid           D13056  1084   1034 0x00000000
2375 [  178.057886] Call Trace:
2376 [  178.058178]  ? __schedule+0x32b/0x9f0
2377 [  178.058511]  schedule+0x5f/0xd0
2378 [  178.058794]  rwsem_down_write_slowpath+0x2ae/0x520
2379 [  178.059107]  down_write+0x119/0x120
2380 [  178.059374]  block_llseek+0x2f/0x60
2381 [  178.059653]  ksys_lseek+0x80/0xc0
2382 [  178.059917]  do_syscall_64+0x5c/0xa0
2383 [  178.060183]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
2384 [  178.060499] RIP: 0033:0x7f230069b4db
2385 [  178.060771] Code: Bad RIP value.
2386 [  178.061020] RSP: 002b:00007ffc834d6928 EFLAGS: 00000246 ORIG_RAX: 
0000000000000008
2387 [  178.061594] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 
00007f230069b4db
2388 [  178.062054] RDX: 0000000000000000 RSI: 00000001ffff0000 RDI: 
0000000000000004
2389 [  178.062474] RBP: 00000001ffff0000 R08: 00005641f56cfc00 R09: 
00000001ffff0040
2390 [  178.063217] R10: 0000000000000000 R11: 0000000000000246 R12: 
0000000000000000
2391 [  178.063691] R13: 00005641f56c9b90 R14: 00005641f56c9be0 R15: 
00005641f56c9be0



and the last part of strace -o blkid.strace -xvf blkid:



1304  close(4)                          = 0
1304  lstat("/dev", {st_dev=makedev(0, 0x6), st_ino=3, st_mode=S_IFDIR|0755, 
st_nlink=19, st_uid=0, st_gid=0, st_blksize=4096, st_blocks=0, st_size=3960, 
st_atime=1583318502 /* 2020-03-04T02:41:42.481188790-0800 */, 
st_atime_nsec=481188790, st_mtime=1583317595 /* 
2020-03-04T02:26:35.711223826-0800 */, st_mtime_nsec=711223826, 
st_ctime=1583317595 /* 2020-03-04T02:26:35.711223826-0800 */, 
st_ctime_nsec=711223826}) = 0
1304  lstat("/dev/sda3", {st_dev=makedev(0, 0x6), st_ino=13586, 
st_mode=S_IFBLK|0660, st_nlink=1, st_uid=0, st_gid=6, st_blksize=4096, 
st_blocks=0, st_rdev=makedev(0x8, 0x3), st_atime=1583317597 /* 
2020-03-04T02:26:37.266001524-0800 */, st_atime_nsec=266001524, 
st_mtime=1583317580 /* 2020-03-04T02:26:20.575000241-0800 */, 
st_mtime_nsec=575000241, st_ctime=1583317580 /* 
2020-03-04T02:26:20.575000241-0800 */, st_ctime_nsec=575000241}) = 0
1304  stat("/dev/sda3", {st_dev=makedev(0, 0x6), st_ino=13586, 
st_mode=S_IFBLK|0660, st_nlink=1, st_uid=0, st_gid=6, st_blksize=4096, 
st_blocks=0, st_rdev=makedev(0x8, 0x3), st_atime=1583317597 /* 
2020-03-04T02:26:37.266001524-0800 */, st_atime_nsec=266001524, 
st_mtime=1583317580 /* 2020-03-04T02:26:20.575000241-0800 */, 
st_mtime_nsec=575000241, st_ctime=1583317580 /* 
2020-03-04T02:26:20.575000241-0800 */, st_ctime_nsec=575000241}) = 0
1304  lstat("/dev", {st_dev=makedev(0, 0x6), st_ino=3, st_mode=S_IFDIR|0755, 
st_nlink=19, st_uid=0, st_gid=0, st_blksize=4096, st_blocks=0, st_size=3960, 
st_atime=1583318502 /* 2020-03-04T02:41:42.481188790-0800 */, 
st_atime_nsec=481188790, st_mtime=1583317595 /* 
2020-03-04T02:26:35.711223826-0800 */, st_mtime_nsec=711223826, 
st_ctime=1583317595 /* 2020-03-04T02:26:35.711223826-0800 */, 
st_ctime_nsec=711223826}) = 0
1304  lstat("/dev/sda3", {st_dev=makedev(0, 0x6), st_ino=13586, 
st_mode=S_IFBLK|0660, st_nlink=1, st_uid=0, st_gid=6, st_blksize=4096, 
st_blocks=0, st_rdev=makedev(0x8, 0x3), st_atime=1583317597 /* 
2020-03-04T02:26:37.266001524-0800 */, st_atime_nsec=266001524, 
st_mtime=1583317580 /* 2020-03-04T02:26:20.575000241-0800 */, 
st_mtime_nsec=575000241, st_ctime=1583317580 /* 
2020-03-04T02:26:20.575000241-0800 */, st_ctime_nsec=575000241}) = 0
1304  access("/dev/sda3", F_OK)         = 0
1304  stat("/dev/sda3", {st_dev=makedev(0, 0x6), st_ino=13586, 
st_mode=S_IFBLK|0660, st_nlink=1, st_uid=0, st_gid=6, st_blksize=4096, 
st_blocks=0, st_rdev=makedev(0x8, 0x3), st_atime=1583317597 /* 
2020-03-04T02:26:37.266001524-0800 */, st_atime_nsec=266001524, 
st_mtime=1583317580 /* 2020-03-04T02:26:20.575000241-0800 */, 
st_mtime_nsec=575000241, st_ctime=1583317580 /* 
2020-03-04T02:26:20.575000241-0800 */, st_ctime_nsec=575000241}) = 0
1304  openat(AT_FDCWD, "/sys/dev/block/8:3", O_RDONLY|O_CLOEXEC) = 4
1304  openat(4, "dm/uuid", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or 
directory)
1304  close(4)                          = 0
1304  openat(AT_FDCWD, "/dev/sda3", O_RDONLY|O_NONBLOCK|O_CLOEXEC) = 4
1304  fadvise64(4, 0, 0, POSIX_FADV_RANDOM) = 0
1304  fstat(4, {st_dev=makedev(0, 0x6), st_ino=13586, st_mode=S_IFBLK|0660, 
st_nlink=1, st_uid=0, st_gid=6, st_blksize=4096, st_blocks=0, 
st_rdev=makedev(0x8, 0x3), st_atime=1583317597 /* 
2020-03-04T02:26:37.266001524-0800 */, st_atime_nsec=266001524, 
st_mtime=1583317580 /* 2020-03-04T02:26:20.575000241-0800 */, 
st_mtime_nsec=575000241, st_ctime=1583317580 /* 
2020-03-04T02:26:20.575000241-0800 */, st_ctime_nsec=575000241}) = 0
1304  ioctl(4, BLKGETSIZE64, [8589934592]) = 0
1304  openat(AT_FDCWD, "/sys/dev/block/8:3", O_RDONLY|O_CLOEXEC) = 5
1304  openat(5, "dm/uuid", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or 
directory)
1304  close(5)                          = 0
1304  openat(AT_FDCWD, "/sys/dev/block/8:3", O_RDONLY|O_CLOEXEC) = 5
1304  faccessat(5, "partition", F_OK)   = 0
1304  readlink("/sys/dev/block/8:3", "../../devices/pci0000:00/0000:00"..., 
4095) = 83
1304  openat(AT_FDCWD, "/sys/block/sda/dev", O_RDONLY|O_CLOEXEC) = 6
1304  fstat(6, {st_dev=makedev(0, 0x15), st_ino=15543, st_mode=S_IFREG|0444, 
st_nlink=1, st_uid=0, st_gid=0, st_blksize=4096, st_blocks=0, st_size=4096, 
st_atime=1583317567 /* 2020-03-04T02:26:07.357000029-0800 */, 
st_atime_nsec=357000029, st_mtime=1583317567 /* 
2020-03-04T02:26:07.357000029-0800 */, st_mtime_nsec=357000029, 
st_ctime=1583317567 /* 2020-03-04T02:26:07.357000029-0800 */, 
st_ctime_nsec=357000029}) = 0
1304  read(6, "8:0\n", 4096)            = 4
1304  close(6)                          = 0
1304  close(5)                          = 0
1304  lseek(4, 8589869056, SEEK_SETfc33-bash 5.0 ~#




On Wednesday, March 4, 2020, 2:41:00 AM PST, George R Goffe <grgo...@yahoo.com> 
wrote: 





Samuel/Chris,

Here's a gzip'd file containing the output of a dmesg -k command. echo 'w' > 
/proc/sysrq-trigger worked GREAT!


Regards,

George...


------------------------------

Date: Tue, 25 Feb 2020 21:22:32 -0800
From: Samuel Sieb <sam...@sieb.net>
Subject: Re: Problems with blkid hanging
To: test@lists.fedoraproject.org
Message-ID: <c221d84e-bac9-2434-4f6e-1d382f213...@sieb.net>
Content-Type: text/plain; charset=utf-8; format=flowed

On 2/25/20 9:13 PM, George R Goffe via test wrote:
> I don't see anything in the journal or in the output of "smartctl -a 
> /dev/sda3".
> 
> Would you like to see the output of the above command?

Not now.

> I have done several group installs on the fresh VM... and tested blkid after 
> each. No problems found...

The strace output you showed was from the host, right?  Is that still a 
problem?

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