in the meantime, I've disabled WRITE SAME for mptsas: diff -Naur linux-4.14/drivers/message/fusion/mptsas.c linux-4.14-mptsas-disable-write-same/drivers/message/fusion/mptsas.c --- linux-4.14/drivers/message/fusion/mptsas.c 2017-11-12 19:46:13.000000000 +0100 +++ linux-4.14-mptsas-disable-write-same/drivers/message/fusion/mptsas.c 2018-04-12 09:17:32.625670996 +0200 @@ -1995,6 +1995,7 @@ .cmd_per_lun = 7, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = mptscsih_host_attrs, + .no_write_same = 1, }; errors are gone... this is kinda of hammer solution, as I suppose it'll be better to blacklist only particular models, right? if so, I'd try to create more complex patch.. but I guess I should be safe for now.. BR nik On Thu, Apr 12, 2018 at 08:50:23AM +0200, Nikola Ciprich wrote: > hmm, further checking 4.4.52, it was not really OK too: > > [ 1895.084325] blk_update_request: I/O error, dev sda, sector 239461608 > [ 1895.101099] sd 4:1:1:0: [sda] tag#1 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE > [ 1895.101101] sd 4:1:1:0: [sda] tag#1 Sense Key : Illegal Request [current] > [ 1895.101103] sd 4:1:1:0: [sda] tag#1 Add. Sense: No additional sense information > [ 1895.101105] sd 4:1:1:0: [sda] tag#1 CDB: Write Same(10) 41 00 0e 45 e5 08 00 00 10 00 > [ 1895.101106] blk_update_request: I/O error, dev sda, sector 239461640 > > so 4.14.x "only" brings delayed allocation errors. > > but I repeat, drives are 100% OK, so it must be either HW or driver problem. > > now looking more at the errors, I guess it's "only" problem with WRITE SAME command? > > should it be blacklisted for those adapters? > > > > On Thu, Apr 12, 2018 at 08:13:47AM +0200, Nikola Ciprich wrote: > > Hi, > > > > after switch from 4.4 to 4.14 we're getting reports of delayed allocation > > failures on ext4 filesystems. Since we're getting it on many machines, including > > brand new or with new harddrives replaced, I don't think it's disk issue. > > > > here's example of the warning: > > > > [52455.961319] sd 4:1:4:0: [sda] tag#11 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE > > [52455.961322] sd 4:1:4:0: [sda] tag#11 Sense Key : Illegal Request [current] > > [52455.961324] sd 4:1:4:0: [sda] tag#11 Add. Sense: No additional sense information > > [52455.961327] sd 4:1:4:0: [sda] tag#11 CDB: Write Same(10) 41 00 01 1c 3b 28 00 00 08 00 > > [52455.961329] print_req_error: I/O error, dev sda, sector 18627368 > > [52455.961339] EXT4-fs (dm-3): Delayed block allocation failed for inode 393338 at logical offset 1125 with max blocks 1 with error 5 > > [52455.961342] EXT4-fs (dm-3): This should not happen!! Data will be lost > > > > checking filesystem does not show any problem, but this does not make me any calmer.. > > > > any idea on what might cause this? > > > > this particular machine is IBM System x3200 M2, with > > LSI Logic / Symbios Logic SAS1064ET PCI-Express Fusion-MPT SAS (rev 02) > > > > OS is centos 7, kernel 4.14.16 > > > > If I could provide any further info, please let me know.. > > > > BR > > > > nik > > > > -- > > ------------------------------------- > > Ing. Nikola CIPRICH > > LinuxBox.cz, s.r.o. > > 28.rijna 168, 709 00 Ostrava > > > > tel.: +420 591 166 214 > > fax: +420 596 621 273 > > mobil: +420 777 093 799 > > www.linuxbox.cz > > > > mobil servis: +420 737 238 656 > > email servis: servis@xxxxxxxxxxx > > ------------------------------------- > > > > -- > ------------------------------------- > Ing. Nikola CIPRICH > LinuxBox.cz, s.r.o. > 28.rijna 168, 709 00 Ostrava > > tel.: +420 591 166 214 > fax: +420 596 621 273 > mobil: +420 777 093 799 > www.linuxbox.cz > > mobil servis: +420 737 238 656 > email servis: servis@xxxxxxxxxxx > ------------------------------------- > -- ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28.rijna 168, 709 00 Ostrava tel.: +420 591 166 214 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@xxxxxxxxxxx -------------------------------------
