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: [email protected]
> > -------------------------------------
> >
>
> --
> -------------------------------------
> 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: [email protected]
> -------------------------------------
>
--
-------------------------------------
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: [email protected]
-------------------------------------
