From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Michael Schmitz <schmitzmic@gmail.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Jens Axboe <axboe@kernel.dk>,
Christoph Hellwig <hch@infradead.org>,
linux-block@vger.kernel.org,
linux-m68k <linux-m68k@lists.linux-m68k.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 4/5] block: move queue enter logic into blk_mq_submit_bio()
Date: Fri, 12 Nov 2021 08:37:31 +0100 [thread overview]
Message-ID: <CAMuHMdXe4bA-a968cUcdaCKesMtkMc+qs=4L8nF2QQ0rWvAVHw@mail.gmail.com> (raw)
In-Reply-To: <fbe43b88-720f-6956-60ea-18e07d73244e@gmail.com>
Hi Michael,
On Thu, Nov 11, 2021 at 10:35 PM Michael Schmitz <schmitzmic@gmail.com> wrote:
> how easy is that to reproduce?
Fairly easy: it happens either on mounting, or after a few seconds booting
into my old Debian userspace.
> sd_setup_read_write_cmnd() does not validate the request's FUA flag
> against sdkp->DPOFUA (not suggesting that it should ...). I'd like to
> try and trace when such a mismatch happens.
Thanks!
> On 12/11/21 03:48, Geert Uytterhoeven wrote:
> > On Thu, Nov 11, 2021 at 2:19 PM Martin K. Petersen
> > <martin.petersen@oracle.com> wrote:
> >>> sd 0:0:0:0: [sda] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
> >>> sd 0:0:0:0: [sda] tag#0 Sense Key : Illegal Request [current]
> >>> sd 0:0:0:0: [sda] tag#0 Add. Sense: Invalid field in cdb
> >>> sd 0:0:0:0: [sda] tag#0 CDB: Write(10) 2a 08 00 00 00 01 00 00 08 00
> >>> critical target error, dev sda, sector 1 op 0x1:(WRITE) flags 0x20800 phys_seg 1 prio class 0
> >>> Buffer I/O error on dev sda1, logical block 0, lost sync page write
> >>
> >> Peculiar. That write command looks OK to me. I wonder if it's the FUA
> >> bit that trips it?
> >>
> >> What does:
> >>
> >> # dmesg | grep FUA
> >>
> >> say?
> >
> > sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't
> > support DPO or FUA
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2021-11-12 7:37 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-04 18:21 [PATCHSET v3 0/5] Alloc batch fixes Jens Axboe
2021-11-04 18:21 ` [PATCH 1/5] block: have plug stored requests hold references to the queue Jens Axboe
2021-11-04 18:34 ` Christoph Hellwig
2021-11-04 18:35 ` Jens Axboe
2021-11-04 18:21 ` [PATCH 2/5] block: split request allocation components into helpers Jens Axboe
2021-11-04 18:35 ` Christoph Hellwig
2021-11-04 18:21 ` [PATCH 3/5] block: make blk_try_enter_queue() available for blk-mq Jens Axboe
2021-11-04 18:22 ` [PATCH 4/5] block: move queue enter logic into blk_mq_submit_bio() Jens Axboe
2021-11-04 18:36 ` Christoph Hellwig
2021-11-04 18:37 ` Jens Axboe
2021-11-04 18:39 ` Christoph Hellwig
2021-11-04 18:40 ` Jens Axboe
2021-11-04 18:45 ` Jens Axboe
2021-11-04 18:52 ` Christoph Hellwig
2021-11-04 19:02 ` Jens Axboe
2021-11-04 19:04 ` Christoph Hellwig
2021-11-04 19:15 ` Jens Axboe
2021-11-11 12:58 ` Geert Uytterhoeven
2021-11-11 13:19 ` Martin K. Petersen
2021-11-11 14:48 ` Geert Uytterhoeven
2021-11-11 15:36 ` Martin K. Petersen
2021-11-11 21:35 ` Michael Schmitz
2021-11-12 7:37 ` Geert Uytterhoeven [this message]
2021-11-12 22:34 ` Michael Schmitz
2021-11-13 7:02 ` Michael Schmitz
2021-11-13 10:06 ` Geert Uytterhoeven
2021-11-13 22:11 ` Michael Schmitz
2021-11-11 13:44 ` Ming Lei
2021-11-11 14:51 ` Geert Uytterhoeven
2021-11-11 15:23 ` Ming Lei
2021-11-11 22:17 ` Jens Axboe
2021-11-12 0:44 ` Ming Lei
2021-11-12 7:51 ` Geert Uytterhoeven
2021-11-15 19:23 ` Michael Schmitz
2021-11-04 18:22 ` [PATCH 5/5] block: ensure cached plug request matches the current queue Jens Axboe
2021-11-04 18:36 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2021-11-04 15:21 [PATCHSET v2 0/5] Alloc batch fixes Jens Axboe
2021-11-04 15:22 ` [PATCH 4/5] block: move queue enter logic into blk_mq_submit_bio() Jens Axboe
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