From: Meelis Roos <mroos@linux.ee>
To: Joerg Roedel <jroedel@suse.de>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: 32-bit PTI with THP = userspace corruption
Date: Fri, 31 Aug 2018 07:12:44 +0300 (EEST) [thread overview]
Message-ID: <alpine.LRH.2.21.1808310711380.17865@math.ut.ee> (raw)
In-Reply-To: <20180830205527.dmemjwxfbwvkdzk2@suse.de>
> > I am seeing userland corruption and application crashes on multiple
> > 32-bit machines with 4.19-rc1+git. The machines vary: PII, PIII, P4.
> > They are all Intel. AMD Duron/Athlon/AthlonMP have been fine in my tests
> > so far (may be configuration dependent).
>
> Thanks for the report! I'll try to reproduce the problem tomorrow and
> investigate it. Can you please check if any of the kernel configurations
> that show the bug has CONFIG_X86_PAE set? If not, can you please test
> if enabling this option still triggers the problem?
Will check, but out of my memery there were 2 G3 HP Proliants that did
not fit into the pattern (problem did not appear). I have more than 4G
RAM in those and HIGHMEM_4G there, maybe that's it?
--
Meelis Roos (mroos@linux.ee)
next prev parent reply other threads:[~2018-08-31 4:12 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-30 18:09 32-bit PTI with THP = userspace corruption Meelis Roos
2018-08-30 20:55 ` Joerg Roedel
2018-08-31 4:12 ` Meelis Roos [this message]
2018-08-31 7:07 ` Joerg Roedel
2018-09-08 10:24 ` Thomas Gleixner
2018-09-11 11:49 ` Joerg Roedel
2018-09-11 11:58 ` Meelis Roos
2018-09-11 12:12 ` Joerg Roedel
2018-09-18 13:00 ` Alan Cox
2018-10-21 12:37 ` Pavel Machek
2018-10-22 7:56 ` Joerg Roedel
2018-10-22 18:48 ` Alan Cox
2018-10-23 9:11 ` Not-so-old machines without PAE was " Pavel Machek
2018-10-22 20:56 ` Pavel Machek
2018-09-11 18:20 ` Linus Torvalds
2018-08-31 7:10 ` Meelis Roos
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