Do you have any "history" with the adapter you connected them to? If not consider it as a possibility as well (from bad experience of total filesystem/partition corruption on two hard drives only to discover it was something on the motherboard). Leroy Tennison Network Information/Cyber Security Specialist E: leroy at datavoiceint.com 2220 Bush Dr McKinney, Texas 75070 www.datavoiceint.com TThis message has been sent on behalf of a company that is part of the Harris Operating Group of Constellation Software Inc. These companies are listed here . If you prefer not to be contacted by Harris Operating Group please notify us . This message is intended exclusively for the individual or entity to which it is addressed. This communication may contain information that is proprietary, privileged or confidential or otherwise legally exempt from disclosure. If you are not the named addressee, you are not authorized to read, print, retain, copy or disseminate this message or any part of it. If you have received this message in error, please notify the sender immediately by e-mail and delete all copies of the message. ________________________________________ From: CentOS <centos-bounces at centos.org> on behalf of Jerry Geis <jerry.geis at gmail.com> Sent: Wednesday, December 12, 2018 7:49 AM To: CentOS mailing list Subject: [EXTERNAL] [CentOS] CentOS 7.6 external USB dmesg issue I have a brand new 2T external Samsung SSD disk. (two of them) for backup. I tried the first one and had an issue, I tried the second one and got the same issue. Am I doing something wrong ? I find it hard to believe the SSD (both) are bad. I plugged in the USB 3.1 adapter, I fdisk /dev/sdd, n, p, default, default, w. then mkfs.ext4 -j /dev/sdd1, then just mount and rsync. [ 1085.193710] [<ffffffffa94dca7e>] ? account_entity_dequeue+0xae/0xd0 [ 1085.193715] [<ffffffffa9b67c49>] schedule+0x29/0x70 [ 1085.193719] [<ffffffffa9b65721>] schedule_timeout+0x221/0x2d0 [ 1085.193724] [<ffffffffa942a621>] ? __switch_to+0x151/0x580 [ 1085.193730] [<ffffffffa9501052>] ? ktime_get_ts64+0x52/0xf0 [ 1085.193735] [<ffffffffa9b672ed>] io_schedule_timeout+0xad/0x130 [ 1085.193740] [<ffffffffa94c2886>] ? prepare_to_wait_exclusive+0x56/0x90 [ 1085.193744] [<ffffffffa9b67388>] io_schedule+0x18/0x20 [ 1085.193750] [<ffffffffa9743de3>] get_request+0x243/0x7d0 [ 1085.193756] [<ffffffffa977c401>] ? __radix_tree_create+0x11/0x360 [ 1085.193761] [<ffffffffa94c2d00>] ? wake_up_atomic_t+0x30/0x30 [ 1085.193767] [<ffffffffa9746cae>] blk_queue_bio+0xfe/0x400 [ 1085.193772] [<ffffffffa9744ef7>] generic_make_request+0x147/0x380 [ 1085.193778] [<ffffffffa97451a0>] submit_bio+0x70/0x150 [ 1085.193786] [<ffffffffa967e555>] ? bio_alloc_bioset+0x115/0x310 [ 1085.193791] [<ffffffffa967a197>] _submit_bh+0x127/0x160 [ 1085.193797] [<ffffffffa967a1e0>] submit_bh+0x10/0x20 [ 1085.193808] [<ffffffffc1bd8424>] ext4_read_block_bitmap_nowait+0x4c4/0x640 [ext4] [ 1085.193828] [<ffffffffc1c16641>] ext4_mb_init_cache+0x181/0x6e0 [ext4] [ 1085.193834] [<ffffffffa95c5afe>] ? lru_cache_add+0xe/0x10 [ 1085.193840] [<ffffffffa95b74de>] ? find_or_create_page+0x5e/0xa0 [ 1085.193858] [<ffffffffc1c16cc6>] ext4_mb_init_group+0x126/0x230 [ext4] [ 1085.193874] [<ffffffffc1c16f54>] ext4_mb_good_group+0x184/0x1a0 [ext4] [ 1085.193889] [<ffffffffc1c19735>] ext4_mb_regular_allocator+0x1c5/0x470 [ext4] [ 1085.193906] [<ffffffffc1c12d0c>] ? __ext4_journal_stop+0x3c/0xb0 [ext4] [ 1085.193921] [<ffffffffc1c14bec>] ? ext4_mb_normalize_request+0x20c/0x560 [ext4] [ 1085.193936] [<ffffffffc1c1b59b>] ext4_mb_new_blocks+0x65b/0xa20 [ext4] [ 1085.193942] [<ffffffffa967918d>] ? __getblk+0x2d/0x300 [ 1085.193961] [<ffffffffc1c223cb>] ext4_ind_map_blocks+0xb9b/0xc20 [ext4] [ 1085.193968] [<ffffffffa94c6258>] ? hrtimer_cancel+0x28/0x40 [ 1085.193973] [<ffffffffa95d82c8>] ? zone_statistics+0x88/0xa0 [ 1085.193987] [<ffffffffc1bdfd35>] ext4_map_blocks+0x295/0x6e0 [ext4] [ 1085.193993] [<ffffffffa9657c7e>] ? do_select+0x73e/0x7c0 [ 1085.193999] [<ffffffffa961c0b2>] ? kmem_cache_alloc+0x1c2/0x1f0 [ 1085.194006] [<ffffffffa96787b1>] ? alloc_buffer_head+0x21/0x60 [ 1085.194018] [<ffffffffc1be035f>] _ext4_get_block+0x1df/0x220 [ext4] [ 1085.194030] [<ffffffffc1be03b6>] ext4_get_block+0x16/0x20 [ext4] [ 1085.194036] [<ffffffffa967ae78>] __block_write_begin_int+0x198/0x5f0 [ 1085.194041] [<ffffffffa961c0b2>] ? kmem_cache_alloc+0x1c2/0x1f0 [ 1085.194053] [<ffffffffc1be03a0>] ? _ext4_get_block+0x220/0x220 [ext4] [ 1085.194067] [<ffffffffc1be4c56>] ? ext4_write_begin+0x116/0x440 [ext4] [ 1085.194073] [<ffffffffa967b2e1>] __block_write_begin+0x11/0x20 [ 1085.194085] [<ffffffffc1be4ccf>] ext4_write_begin+0x18f/0x440 [ext4] [ 1085.194091] [<ffffffffa95b5f84>] generic_file_buffered_write+0x124/0x2c0 [ 1085.194098] [<ffffffffa95b88c2>] __generic_file_aio_write+0x1e2/0x400 [ 1085.194105] [<ffffffffa95b8b39>] generic_file_aio_write+0x59/0xa0 [ 1085.194116] [<ffffffffc1bda322>] ext4_file_write+0xd2/0x1e0 [ext4] [ 1085.194121] [<ffffffffa9640823>] do_sync_write+0x93/0xe0 [ 1085.194127] [<ffffffffa9641310>] vfs_write+0xc0/0x1f0 [ 1085.194132] [<ffffffffa964212f>] SyS_write+0x7f/0xf0 [ 1085.194138] [<ffffffffa9b74ddb>] system_call_fastpath+0x22/0x27 Thanks, Jerry _______________________________________________ CentOS mailing list CentOS at centos.org https://lists.centos.org/mailman/listinfo/centos