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From: Andreas Schwab <schwab@linux-m68k.org>
To: Palmer Dabbelt <palmer@dabbelt.com>
Cc: tongtiangen@huawei.com,  jszhang3@mail.ustc.edu.cn,
	 Paul Walmsley <paul.walmsley@sifive.com>,
	 aou@eecs.berkeley.edu, linux-riscv@lists.infradead.org,
	 linux-kernel@vger.kernel.org
Subject: Re: [PATCH -next v2] riscv: add VMAP_STACK overflow detection
Date: Thu, 22 Jul 2021 11:02:10 +0200	[thread overview]
Message-ID: <87k0lizppp.fsf@igel.home> (raw)
In-Reply-To: <mhng-e14c3232-cc4d-4146-8c93-c60ec81ed272@palmerdabbelt-glaptop> (Palmer Dabbelt's message of "Wed, 21 Jul 2021 23:12:20 -0700 (PDT)")

On Jul 21 2021, Palmer Dabbelt wrote:

> On Mon, 19 Jul 2021 00:23:06 PDT (-0700), schwab@linux-m68k.org wrote:
>> On Jul 19 2021, tongtiangen wrote:
>>
>>> On 2021/7/17 14:55, Andreas Schwab wrote:
>>>> Please use
>>>> https://download.opensuse.org/repositories/home:/Andreas_Schwab:/riscv:/jeos/images/openSUSE-Tumbleweed-RISC-V-JeOS-efi.riscv64.raw.xz
>>>> and run it in qemu with u-boot as kernel.
>>>>
>>>> Andreas.
>>>>
>>>
>>> Hi andreas:
>>> I used today's latest mainline code and .config provided by you, and I
>>> can't reproduce this panic.
>>
>> Did you test it like I said above?
>>
>> Andreas.
>
> I'm getting this on and off, with just 
> CONFIG_VMAP_STACK=y
>
> on top of defconfig, when running on QEMU.  It's not showing up right now:
> I'd thought it was an issue with that initrd patch, but it went away when
> I re-ran the tests so I'm guessing it's something non-deterministic.  I'll
> try to take a look if it comes back.

The crash happens reliably with the image above.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

_______________________________________________
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WARNING: multiple messages have this Message-ID (diff)
From: Andreas Schwab <schwab@linux-m68k.org>
To: Palmer Dabbelt <palmer@dabbelt.com>
Cc: tongtiangen@huawei.com, jszhang3@mail.ustc.edu.cn,
	Paul Walmsley <paul.walmsley@sifive.com>,
	aou@eecs.berkeley.edu, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH -next v2] riscv: add VMAP_STACK overflow detection
Date: Thu, 22 Jul 2021 11:02:10 +0200	[thread overview]
Message-ID: <87k0lizppp.fsf@igel.home> (raw)
In-Reply-To: <mhng-e14c3232-cc4d-4146-8c93-c60ec81ed272@palmerdabbelt-glaptop> (Palmer Dabbelt's message of "Wed, 21 Jul 2021 23:12:20 -0700 (PDT)")

On Jul 21 2021, Palmer Dabbelt wrote:

> On Mon, 19 Jul 2021 00:23:06 PDT (-0700), schwab@linux-m68k.org wrote:
>> On Jul 19 2021, tongtiangen wrote:
>>
>>> On 2021/7/17 14:55, Andreas Schwab wrote:
>>>> Please use
>>>> https://download.opensuse.org/repositories/home:/Andreas_Schwab:/riscv:/jeos/images/openSUSE-Tumbleweed-RISC-V-JeOS-efi.riscv64.raw.xz
>>>> and run it in qemu with u-boot as kernel.
>>>>
>>>> Andreas.
>>>>
>>>
>>> Hi andreas:
>>> I used today's latest mainline code and .config provided by you, and I
>>> can't reproduce this panic.
>>
>> Did you test it like I said above?
>>
>> Andreas.
>
> I'm getting this on and off, with just 
> CONFIG_VMAP_STACK=y
>
> on top of defconfig, when running on QEMU.  It's not showing up right now:
> I'd thought it was an issue with that initrd patch, but it went away when
> I re-ran the tests so I'm guessing it's something non-deterministic.  I'll
> try to take a look if it comes back.

The crash happens reliably with the image above.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

  parent reply	other threads:[~2021-07-22  9:02 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-21  3:28 [PATCH -next v2] riscv: add VMAP_STACK overflow detection Tong Tiangen
2021-06-21  3:28 ` Tong Tiangen
2021-07-06 20:24 ` Palmer Dabbelt
2021-07-06 20:24   ` Palmer Dabbelt
2021-07-15 16:22 ` Andreas Schwab
2021-07-15 16:22   ` Andreas Schwab
2021-07-16 12:53   ` Jisheng Zhang
2021-07-16 12:53     ` Jisheng Zhang
2021-07-16 15:53     ` Andreas Schwab
2021-07-16 15:53       ` Andreas Schwab
2021-07-17  2:18       ` Jisheng Zhang
2021-07-17  2:18         ` Jisheng Zhang
2021-07-17  6:55         ` Andreas Schwab
2021-07-17  6:55           ` Andreas Schwab
2021-07-19  3:27           ` tongtiangen
2021-07-19  3:27             ` tongtiangen
2021-07-19  7:23             ` Andreas Schwab
2021-07-19  7:23               ` Andreas Schwab
2021-07-22  6:12               ` Palmer Dabbelt
2021-07-22  6:12                 ` Palmer Dabbelt
2021-07-22  8:35                 ` Atish Patra
2021-07-22  8:35                   ` Atish Patra
2021-07-22 13:37                   ` Jisheng Zhang
2021-07-22 13:37                     ` Jisheng Zhang
2021-07-22 14:24                     ` Jisheng Zhang
2021-07-22 14:24                       ` Jisheng Zhang
2021-07-22 15:42                     ` Andreas Schwab
2021-07-22 15:42                       ` Andreas Schwab
2021-07-22 23:54                       ` Jisheng Zhang
2021-07-22 23:54                         ` Jisheng Zhang
2021-07-23  1:36                         ` tongtiangen
2021-07-23  1:36                           ` tongtiangen
2021-07-23  4:29                           ` Jisheng Zhang
2021-07-23  4:29                             ` Jisheng Zhang
2021-07-23  4:40                             ` Jisheng Zhang
2021-07-23  4:40                               ` Jisheng Zhang
2021-07-23  6:49                               ` tongtiangen
2021-07-22  9:02                 ` Andreas Schwab [this message]
2021-07-22  9:02                   ` Andreas Schwab

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