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Date: Fri, 31 Aug 2018 07:12:44 +0300 (EEST) From: Meelis Roos <mroos@...ux.ee> To: Joerg Roedel <jroedel@...e.de> cc: Linux Kernel list <linux-kernel@...r.kernel.org>, linux-mm@...ck.org, Thomas Gleixner <tglx@...utronix.de> Subject: Re: 32-bit PTI with THP = userspace corruption > > 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@...ux.ee)
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