From: John David Anglin <dave.anglin@bell.net>
To: Jens Axboe <axboe@kernel.dk>, Helge Deller <deller@gmx.de>,
io-uring@vger.kernel.org, linux-parisc@vger.kernel.org,
James Bottomley <James.Bottomley@hansenpartnership.com>
Subject: Re: io_uring failure on parisc with VIPT caches
Date: Wed, 15 Feb 2023 21:40:20 -0500 [thread overview]
Message-ID: <1237dc53-2495-a145-37bf-47366ca75e71@bell.net> (raw)
In-Reply-To: <73566dc4-317b-5808-a5a5-78dc195ebd77@kernel.dk>
On 2023-02-15 6:02 p.m., Jens Axboe wrote:
> This is not related to Helge's patch, 6.1-stable is just still missing:
>
> commit fcc926bb857949dbfa51a7d95f3f5ebc657f198c
> Author: Jens Axboe<axboe@kernel.dk>
> Date: Fri Jan 27 09:28:13 2023 -0700
>
> io_uring: add a conditional reschedule to the IOPOLL cancelation loop
>
> and I'm guessing you're running without preempt.
With 6.2.0-rc8+, I had a different crash running poll-race-mshot.t:
Backtrace:
Kernel Fault: Code=15 (Data TLB miss fault) at addr 0000000000000000
CPU: 0 PID: 18265 Comm: poll-race-mshot Not tainted 6.2.0-rc8+ #1
Hardware name: 9000/800/rp3440
YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00010000001001001001000111110000 Not tainted
r00-03 00000000102491f0 ffffffffffffffff 000000004020307c ffffffffffffffff
r04-07 ffffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffff
r08-11 ffffffffffffffff 000000000407ef28 000000000407f838 8400000000800000
r12-15 0000000000000000 0000000040c424e0 0000000040c424e0 0000000040c424e0
r16-19 000000000407fd68 0000000063f08648 0000000040c424e0 000000000a085000
r20-23 00000000000d6b44 000000002faf0800 00000000000000ff 0000000000000002
r24-27 000000000407fa30 000000000407fd68 0000000000000000 0000000040c1e4e0
r28-31 400000000000de84 0000000000000000 0000000000000000 0000000000000002
sr00-03 0000000004081000 0000000000000000 0000000000000000 0000000004081de0
sr04-07 0000000004081000 0000000000000000 0000000000000000 00000000040815a8
IASQ: 0000000004081000 0000000000000000 IAOQ: 0000000000000000 0000000004081590
IIR: 00000000 ISR: 0000000000000000 IOR: 0000000000000000
CPU: 0 CR30: 000000004daf5700 CR31: ffffffffffffefff
ORIG_R28: 0000000000000000
IAOQ[0]: 0x0
IAOQ[1]: linear_quiesce+0x0/0x18 [linear]
RP(r2): intr_check_sig+0x0/0x3c
Backtrace:
Kernel panic - not syncing: Kernel Fault
Dave
--
John David Anglin dave.anglin@bell.net
next prev parent reply other threads:[~2023-02-16 2:40 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-12 9:47 io_uring failure on parisc (32-bit userspace and 64-bit kernel) Helge Deller
2023-02-12 13:16 ` Jens Axboe
2023-02-12 13:28 ` Helge Deller
2023-02-12 13:35 ` Jens Axboe
2023-02-12 14:00 ` Jens Axboe
2023-02-12 14:03 ` Helge Deller
2023-02-12 19:35 ` Helge Deller
2023-02-12 19:42 ` Jens Axboe
2023-02-12 20:01 ` Helge Deller
2023-02-12 21:48 ` Jens Axboe
2023-02-12 22:20 ` Helge Deller
2023-02-12 22:31 ` Helge Deller
2023-02-13 16:15 ` Jens Axboe
2023-02-13 20:59 ` Helge Deller
2023-02-13 21:05 ` Jens Axboe
2023-02-13 22:05 ` Helge Deller
2023-02-13 22:50 ` John David Anglin
2023-02-14 23:09 ` io_uring failure on parisc with VIPT caches Helge Deller
2023-02-14 23:29 ` Jens Axboe
2023-02-15 2:12 ` John David Anglin
2023-02-15 15:16 ` Jens Axboe
2023-02-15 15:52 ` Helge Deller
2023-02-15 15:56 ` Jens Axboe
2023-02-15 16:02 ` Helge Deller
2023-02-15 16:04 ` Jens Axboe
2023-02-15 21:40 ` Helge Deller
2023-02-15 23:04 ` Jens Axboe
2023-02-15 16:38 ` John David Anglin
2023-02-15 17:01 ` Jens Axboe
2023-02-15 19:00 ` Jens Axboe
2023-02-15 19:16 ` Jens Axboe
2023-02-15 20:27 ` John David Anglin
2023-02-15 20:37 ` Jens Axboe
2023-02-15 21:06 ` John David Anglin
2023-02-15 21:38 ` Jens Axboe
2023-02-15 21:39 ` John David Anglin
2023-02-15 22:10 ` John David Anglin
2023-02-15 23:02 ` Jens Axboe
2023-02-15 23:43 ` John David Anglin
2023-02-16 2:40 ` John David Anglin [this message]
2023-02-16 2:50 ` Jens Axboe
2023-02-16 8:24 ` Helge Deller
2023-02-16 15:22 ` Jens Axboe
2023-02-16 20:35 ` John David Anglin
2023-02-15 23:03 ` Jens Axboe
2023-02-15 19:20 ` John David Anglin
2023-02-15 19:24 ` Jens Axboe
2023-02-15 16:18 ` John David Anglin
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