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Message-ID: <alpine.LRH.2.02.1203131213480.15848@diagnostix.dwd.de>
Date: Tue, 13 Mar 2012 12:22:30 +0000 (GMT)
From: Holger Kiehl <Holger.Kiehl@....de>
To: Shaohua Li <shli@...nel.org>
cc: Holger Kiehl <Holger.Kiehl@....de>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-raid@...r.kernel.org" <linux-raid@...r.kernel.org>,
"neilb@...e.de" <neilb@...e.de>,
"axboe@...nel.dk" <axboe@...nel.dk>
Subject: Re: [patch 0/7] Add TRIM support for raid linear/0/1/10
On Tue, 13 Mar 2012, Shaohua Li wrote:
> On 3/13/12 2:22 AM, Holger Kiehl wrote:
> > Hello,
> >
> > On Mon, 12 Mar 2012, Shaohua Li wrote:
> >
> >> The patches add TRIM support for raid linear/0/1/10. I'll add TRIM
> support for
> >> raid 4/5/6 later. The implementation is pretty straightforward and
> >> self-explained.
> >>
> > First, thanks for this patch!
> >
> > I have applied those patches against 3.3.0-rc7 and during boot the kernel
> > reports a lot of the following:
> >
> > Mar 12 18:56:00 c3po kernel: [ 7.611045] md/raid0:md3: make_request bug:
> can't convert block across chunks or bigger than 512k 18861064 512
> > Mar 12 18:56:00 c3po kernel: [ 7.611047] md/raid0:md3: make_request bug:
> can't convert block across chunks or bigger than 512k 18862088 512
> > Mar 12 18:56:00 c3po kernel: [ 7.611049] md/raid0:md3: make_request bug:
> can't convert block across chunks or bigger than 512k 18863112 512
> > Mar 12 18:56:00 c3po kernel: [ 7.611052] md/raid0:md3: make_request bug:
> can't convert block across chunks or bigger than 512k 18864136 512
> > Mar 12 18:56:00 c3po kernel: [ 7.611054] md/raid0:md3: make_request bug:
> can't convert block across chunks or bigger than 512k 18865160 512
> > Mar 12 18:56:00 c3po kernel: [ 7.611056] md/raid0:md3: make_request bug:
> can't convert block across chunks or bigger than 512k 18866184 512
> Looks our SMTP server does something stupid. Sorry if you get two copies
> of the mail.
>
> Thanks for testing. Looks I fixed a sanity check in bio.c but there are
> similar check in raid0/10 which I forgot to fix. Below patch should fix it.
> please try.
>
Now I get following messages during boot (and it takes a very long time):
Mar 13 10:23:25 c3po kernel: [ 251.355041] bio ffff88019e0abc70, biotail ffff88019e0ddc00, buffer (null), len 0
Mar 13 10:23:25 c3po kernel: [ 251.355052] request botched: dev sdb: type=1, flags=916c081
Mar 13 10:23:25 c3po kernel: [ 251.355054] sector 52929353, nr/cnr 0/8
Mar 13 10:23:25 c3po kernel: [ 251.355055] bio ffff88019e0aba70, biotail ffff88019e0dda00, buffer (null), len 0
Mar 13 10:23:25 c3po kernel: [ 251.355068] request botched: dev sdc: type=1, flags=916c081
Mar 13 10:23:25 c3po kernel: [ 251.355069] sector 52929346, nr/cnr 0/1016
Mar 13 10:23:25 c3po kernel: [ 251.355071] bio ffff88019e0aae00, biotail ffff88019e0db380, buffer (null), len 0
Mar 13 10:23:25 c3po kernel: [ 251.373583] request botched: dev sda: type=1, flags=916c081
Mar 13 10:23:25 c3po kernel: [ 251.373585] sector 52929354, nr/cnr 0/1016
Mar 13 10:23:25 c3po kernel: [ 251.373587] bio ffff88019e0aba00, biotail ffff88019e0ddc00, buffer (null), len 0
Mar 13 10:23:25 c3po kernel: [ 251.373597] request botched: dev sdb: type=1, flags=916c081
Mar 13 10:23:25 c3po kernel: [ 251.373599] sector 52929354, nr/cnr 0/1016
Mar 13 10:23:25 c3po kernel: [ 251.373600] bio ffff88019e0ab800, biotail ffff88019e0dda00, buffer (null), len 0
Mar 13 10:23:25 c3po kernel: [ 251.373612] request botched: dev sdc: type=1, flags=916c081
Mar 13 10:23:25 c3po kernel: [ 251.373614] sector 52929347, nr/cnr 0/8
Mar 13 10:23:25 c3po kernel: [ 251.373616] bio ffff88019e0aaa70, biotail ffff88019e0db380, buffer (null), len 0
Mar 13 10:23:25 c3po kernel: [ 251.392135] request botched: dev sda: type=1, flags=916c081
Mar 13 10:23:25 c3po kernel: [ 251.392137] sector 52929355, nr/cnr 0/8
Mar 13 10:23:25 c3po kernel: [ 251.392139] bio ffff88019e0ab670, biotail ffff88019e0ddc00, buffer (null), len 0
Mar 13 10:23:25 c3po kernel: [ 251.392150] request botched: dev sdb: type=1, flags=916c081
Mar 13 10:23:25 c3po kernel: [ 251.392152] sector 52929355, nr/cnr 0/8
Mar 13 10:23:25 c3po kernel: [ 251.392153] bio ffff88019e0ab470, biotail ffff88019e0dda00, buffer (null), len 0
After boot the system runs fine, but as soon as I do something (make clean of
kernel tree with a sync) I get the same messages as above and it takes a
long time to sync:
Mar 13 10:44:59 c3po kernel: [ 1550.740528] request botched: dev sda: type=1, flags=9164081
Mar 13 10:44:59 c3po kernel: [ 1550.740533] sector 12580617, nr/cnr 0/776
Mar 13 10:44:59 c3po kernel: [ 1550.740537] bio ffff8801a362b670, biotail ffff8801a30f3d80, buffer (null), len 0
Mar 13 10:44:59 c3po kernel: [ 1550.747141] request botched: dev sdb: type=1, flags=9164081
Mar 13 10:44:59 c3po kernel: [ 1550.747144] sector 12579841, nr/cnr 0/248
Mar 13 10:44:59 c3po kernel: [ 1550.747148] bio ffff88019e0dd200, biotail ffff88019e0dd200, buffer (null), len 0
Mar 13 10:44:59 c3po kernel: [ 1550.749429] request botched: dev sdc: type=1, flags=9164081
Mar 13 10:44:59 c3po kernel: [ 1550.749432] sector 12579841, nr/cnr 0/248
Mar 13 10:44:59 c3po kernel: [ 1550.749436] bio ffff8801a362b600, biotail ffff8801a362b600, buffer (null), len 0
Mar 13 10:44:59 c3po kernel: [ 1550.755332] request botched: dev sda: type=1, flags=916c081
Mar 13 10:44:59 c3po kernel: [ 1550.755335] sector 12580618, nr/cnr 0/248
Mar 13 10:44:59 c3po kernel: [ 1550.755339] bio ffff8801a30f3d80, biotail ffff8801a30f3d80, buffer (null), len 0
Mar 13 10:44:59 c3po kernel: [ 1550.806832] request botched: dev sdb: type=1, flags=9164081
Mar 13 10:44:59 c3po kernel: [ 1550.806836] sector 12266497, nr/cnr 0/1000
Mar 13 10:44:59 c3po kernel: [ 1550.806840] bio ffff8801a4dca800, biotail ffff88019e0c9000, buffer (null), len 0
Mar 13 10:44:59 c3po kernel: [ 1550.811972] request botched: dev sda: type=1, flags=9164081
Mar 13 10:44:59 c3po kernel: [ 1550.811976] sector 12266497, nr/cnr 0/1000
Mar 13 10:44:59 c3po kernel: [ 1550.811979] bio ffff88019e0dd200, biotail ffff8801a3794000, buffer (null), len 0
Mar 13 10:44:59 c3po kernel: [ 1550.814081] request botched: dev sdc: type=1, flags=9164081
Mar 13 10:44:59 c3po kernel: [ 1550.814084] sector 12265497, nr/cnr 0/24
Mar 13 10:44:59 c3po kernel: [ 1550.814087] bio ffff8801a4dca870, biotail ffff8801a37f4080, buffer (null), len 0
Mar 13 10:44:59 c3po kernel: [ 1550.819150] request botched: dev sdc: type=1, flags=916c081
Mar 13 10:44:59 c3po kernel: [ 1550.819153] sector 12265498, nr/cnr 0/1000
Please give me any hints what I can try next.
Regards,
Holger
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