On Fri, 24 Aug 2018, Klaus Kusche wrote: > Hello, > > On 24/08/2018 16:15, Alan Stern wrote: > > On Fri, 24 Aug 2018, Klaus Kusche wrote: > > > >> Hello, > >> > >> I entered the following USB bug into kernel bugzilla yesterday: > >> > >> https://bugzilla.kernel.org/show_bug.cgi?id=200917 > >> > >> "Since 4.18, all my external USB3-to-SATA Icybox disk enclosures with usb Id > >> 357d:7788 (seems to be a very common controller chip: Sharkoon QuickPort XT) > >> fail with the following error when mounting an ext4 fs: If all else fails, you can try using git-bisect to find the commit which causes the errors. > >> print_req_error: critical target error, dev sdd, sector 2048 > >> Buffer I/O error on dev sdd1, logical block 0, lost sync page write > >> EXT4-fs (sdd1): I/O error while writing superblock > >> EXT4-fs (sdd1): mount failed > >> > >> - They worked before 4.18. > >> - Reading is definitely ok, async writing seems to work, too. > >> - The problem occurs with several different disks (I only tested HGST drives). > >> - The same disks work in enclosures with other controllers." It does sound like a bug in the enclosure. > >> > >> Many thanks in advance for any help! > > > > Please provide the output from "dmesg". > [ 3692.559336] sd 7:0:0:0: [sdd] 976773168 512-byte logical blocks: (500 GB/466 > GiB) > [ 3692.559595] sd 7:0:0:0: [sdd] Write Protect is off > [ 3692.559598] sd 7:0:0:0: [sdd] Mode Sense: 47 00 10 08 > [ 3692.559881] sd 7:0:0:0: [sdd] Write cache: enabled, read cache: enabled, > supports DPO and FUA > [ 3692.575820] sdd: sdd1 > [ 3692.576941] sd 7:0:0:0: [sdd] Attached SCSI disk > [ 3725.164065] sd 7:0:0:0: [sdd] tag#0 FAILED Result: hostbyte=DID_OK > driverbyte=DRIVER_SENSE > [ 3725.164071] sd 7:0:0:0: [sdd] tag#0 Sense Key : Illegal Request [current] > [ 3725.164075] sd 7:0:0:0: [sdd] tag#0 Add. Sense: Invalid field in cdb > [ 3725.164080] sd 7:0:0:0: [sdd] tag#0 CDB: Write(10) 2a 08 00 00 08 00 00 00 08 00 This indicates the error occurred shortly after the drive was plugged in. A usbmon trace might be helpful. Can you collect and send a trace for bus 4, starting shortly before you plug in the drive and ending after the error occurs? Alan Stern
