From: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
To: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
akpm@linux-foundation.org, david@kernel.org,
Mike Rapoport <rppt@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Pedro Falcato <pfalcato@suse.de>,
Kiryl Shutsemau <kas@kernel.org>,
luizcap@redhat.com, pbonzini@redhat.com,
Borislav Petkov <bp@alien8.de>, Tal Zussman <tz2294@columbia.edu>,
Rik van Riel <riel@surriel.com>,
Matt Fleming <matt@readmodwrite.com>,
Nikola Ciprich <nikola.ciprich@linuxbox.cz>
Subject: Re: hunting memory corruption bug in 6.18.x
Date: Sun, 4 Oct 2026 20:40:05 +0200 [thread overview]
Message-ID: <asKdhWiJb3qXeopz@pcnci.linuxbox.cz> (raw)
In-Reply-To: <asAE3kLFDUx5v0Nw@gremlin>
> >
> > well, not so good news here.. I tried the reproducer on multiple
> > lab machines and also on one drained production box on which we've
> > experienced one crash and wasn't able to get a single hit so far.
> > Here's the list of machines:
> >
> > hostname CPU RAM kernel microcode
> > pocstdv1b EPYC 9124 384G 6.18.31lb9.01 0x0a101158
> > labtest EPYC 9274F 64G 6.18.20lb9.01 0x0a101158
> > lbxovav6d EPYC 9124 1.5TB 6.18.31lb9.01 0x0a101158
> > prfjazv1g EPYC 7343 1TB 6.18.53lb9.02 0x0a0011de
> > nrbphav4a EPYC 7343 1TB 6.18.15lb9.01 0x0a0011de
> >
> > I'll leave it running for few hours, and report back. If I'm able to reproduce,
> > I'll try recommended workarounds and report as well.
>
> Thanks for trying that!
>
> Yeah, it might have been tuned to the zen arch rather than milan so that could
> be making it less effective unfortunately.
I executed 100x300 rounds on each machine.. unfortunately not a single hit..
>
> Thanks! The LLM has informed me that it got that wrong but it was interesting
> data (...!) which suggests guest memory page tables might have somehow ended up
> there.
>
> Could you try:
>
> crash> p d_hash_shift
> crash> eval (0x5560450b >> D) * 8 + 0xffffb18900a00000
> D = the d_hash_shift value
> crash> eval (B & 0xfffffffffffff000)
> B = the hex result above
> crash> vtop B
> crash> rd -64 P 512
> P = the hex result of the second eval
> crash> search -p -m 0xfff0000000000fff PHYS
> PHYS = the PHYSICAL column from vtop
>
> And for the pages the physical search found:
>
> crash> kmem 0x1ae234000
> crash> kmem 0x24f0e2000
> crash> kmem 0x103360000
> crash> rd -p 0x1ae234000 512
I struggled with crash a bit to get computations right, so I did it in python..
hopefully I got it right...
crash> rd -64 0xffffb18905f60000 512
ffffb18905f60000: 0000000000000000 0000000000000000 ................
ffffb18905f60010: 0000000000000000 0000000000000000 ................
ffffb18905f60020: 0000000000000000 0000000000000000 ................
ffffb18905f60030: 0000000000000000 0000000000000000 ................
ffffb18905f60040: 0000000000000000 0000000000000000 ................
ffffb18905f60050: 0000000000000000 0000000000000000 ................
ffffb18905f60060: 0000000000000000 0000000000000000 ................
ffffb18905f60070: 0000000000000000 0000000000000000 ................
ffffb18905f60080: 0000000000000000 0000000000000000 ................
ffffb18905f60090: 0000000000000000 0000000000000000 ................
ffffb18905f600a0: 0000000000000000 0000000000000000 ................
ffffb18905f600b0: 0000000000000000 0000000000000000 ................
ffffb18905f600c0: 0000000000000000 0000000000000000 ................
ffffb18905f600d0: 0000000000000000 0000000000000000 ................
ffffb18905f600e0: 0000000000000000 0000000000000000 ................
ffffb18905f600f0: 0000000000000000 0000000000000000 ................
ffffb18905f60100: 0000000000000000 0000000000000000 ................
ffffb18905f60110: 0000000000000000 0000000000000000 ................
ffffb18905f60120: 0000000000000000 0000000000000000 ................
ffffb18905f60130: 0000000000000000 0000000000000000 ................
ffffb18905f60140: 0000000000000000 0000000000000000 ................
ffffb18905f60150: 0000000000000000 0000000000000000 ................
ffffb18905f60160: 0000000000000000 0000000000000000 ................
ffffb18905f60170: 0000000000000000 0000000000000000 ................
ffffb18905f60180: 0000000000000000 0000000000000000 ................
ffffb18905f60190: 0000000000000000 0000000000000000 ................
ffffb18905f601a0: 0000000000000000 0000000000000000 ................
ffffb18905f601b0: 0000000000000000 0000000000000000 ................
ffffb18905f601c0: 0000000000000000 0000000000000000 ................
ffffb18905f601d0: 0000000000000000 0000000000000000 ................
ffffb18905f601e0: 0000000000000000 0000000000000000 ................
ffffb18905f601f0: 0000000000000000 0000000000000000 ................
ffffb18905f60200: 0000000000000000 0000000000000000 ................
ffffb18905f60210: 0000000000000000 0000000000000000 ................
ffffb18905f60220: 0000000000000000 0000000000000000 ................
ffffb18905f60230: 0000000000000000 0000000000000000 ................
ffffb18905f60240: 0000000000000000 0000000000000000 ................
ffffb18905f60250: 0000000000000000 0000000000000000 ................
ffffb18905f60260: 0000000000000000 0000000000000000 ................
ffffb18905f60270: 0000000000000000 0000000000000000 ................
ffffb18905f60280: 0000000000000000 0000000000000000 ................
ffffb18905f60290: 0000000000000000 0000000000000000 ................
ffffb18905f602a0: 0000000000000000 0000000000000000 ................
ffffb18905f602b0: 0000000000000000 0000000000000000 ................
ffffb18905f602c0: 0000000000000000 0000000000000000 ................
ffffb18905f602d0: 0000000000000000 0000000000000000 ................
ffffb18905f602e0: 0000000000000000 0000000000000000 ................
ffffb18905f602f0: 0000000000000000 0000000000000000 ................
ffffb18905f60300: 0000000000000000 0000000000000000 ................
ffffb18905f60310: 0000000000000000 0000000000000000 ................
ffffb18905f60320: 0000000000000000 0000000000000000 ................
ffffb18905f60330: 0000000000000000 0000000000000000 ................
ffffb18905f60340: 0000000000000000 0000000000000000 ................
ffffb18905f60350: 0000000000000000 0000000000000000 ................
ffffb18905f60360: 0000000000000000 0000000000000000 ................
ffffb18905f60370: 0000000000000000 0000000000000000 ................
ffffb18905f60380: 0000000000000000 0000000000000000 ................
ffffb18905f60390: 0000000000000000 0000000000000000 ................
ffffb18905f603a0: 0000000000000000 0000000000000000 ................
ffffb18905f603b0: 0000000000000000 0000000000000000 ................
ffffb18905f603c0: 0000000000000000 0000000000000000 ................
ffffb18905f603d0: 0000000000000000 0000000000000000 ................
ffffb18905f603e0: 0000000000000000 0000000000000000 ................
ffffb18905f603f0: 0000000000000000 0000000000000000 ................
ffffb18905f60400: 0000000000000000 0000000000000000 ................
ffffb18905f60410: 0000000000000000 0000000000000000 ................
ffffb18905f60420: 0000000000000000 0000000000000000 ................
ffffb18905f60430: 0000000000000000 0000000000000000 ................
ffffb18905f60440: 0fffffff0c930020 0000000000000000 ...............
ffffb18905f60450: 0fffffff0c930020 fffff86eb0c30000 ...........n...
ffffb18905f60460: 0000000000000000 0000000000000000 ................
ffffb18905f60470: 0000000000000000 0000000000000000 ................
ffffb18905f60480: 0000000000000000 0000000000000000 ................
ffffb18905f60490: 0000006700890030 fffff86eb0ca2350 0...g...P#..n...
ffffb18905f604a0: 0000000000000000 0000000000000000 ................
ffffb18905f604b0: 0000000000000000 0000000000000000 ................
ffffb18905f604c0: 0000000000000000 0000000000000000 ................
ffffb18905f604d0: 0000000000000000 0000000000000000 ................
ffffb18905f604e0: 0000000000000000 0000000000000000 ................
ffffb18905f604f0: 0000000000000000 0000000000000000 ................
ffffb18905f60500: 0000000000000000 0000000000000000 ................
ffffb18905f60510: 0000000000000000 0000000000000000 ................
ffffb18905f60520: 0000000000000000 0000000000000000 ................
ffffb18905f60530: 0000000000000000 0000000000000000 ................
ffffb18905f60540: 0000000000000000 0000000000000000 ................
ffffb18905f60550: 0000000000000000 0000000000000000 ................
ffffb18905f60560: 0000000000000000 0000000000000000 ................
ffffb18905f60570: 0000000000000000 0000000000000000 ................
ffffb18905f60580: 0000000000000000 0000000000000000 ................
ffffb18905f60590: 0000000000000000 0000000000000000 ................
ffffb18905f605a0: 0000000000000000 0000000000000000 ................
ffffb18905f605b0: 0000000000000000 0000000000000000 ................
ffffb18905f605c0: 0000000000000000 0000000000000000 ................
ffffb18905f605d0: 0000000000000000 0000000000000000 ................
ffffb18905f605e0: 0000000000000000 0000000000000000 ................
ffffb18905f605f0: 0000000000000000 0000000000000000 ................
ffffb18905f60600: 0000000000000000 0000000000000000 ................
ffffb18905f60610: 0000000000000000 0000000000000000 ................
ffffb18905f60620: 0000000000000000 0000000000000000 ................
ffffb18905f60630: 0000000000000000 0000000000000000 ................
ffffb18905f60640: 0000000000000000 0000000000000000 ................
ffffb18905f60650: 0000000000000000 0000000000000000 ................
ffffb18905f60660: 0000000000000000 0000000000000000 ................
ffffb18905f60670: 0000000000000000 0000000000000000 ................
ffffb18905f60680: 0000000000000000 0000000000000000 ................
ffffb18905f60690: 0000000000000000 0000000000000000 ................
ffffb18905f606a0: 0000000000000000 0000000000000000 ................
ffffb18905f606b0: 0000000000000000 0000000000000000 ................
ffffb18905f606c0: 0000000000000000 ffff985caf209d48 ........H. .\...
ffffb18905f606d0: 0000000000000000 0000000000000000 ................
ffffb18905f606e0: 0000000000000000 0000000000000000 ................
ffffb18905f606f0: 0000000000000000 0000000000000000 ................
ffffb18905f60700: 0000000000000000 0000000000000000 ................
ffffb18905f60710: 0000000000000000 0000000000000000 ................
ffffb18905f60720: 0000000000000000 0000000000000000 ................
ffffb18905f60730: 0000000000000000 0000000000000000 ................
ffffb18905f60740: 0000000000000000 0000000000000000 ................
ffffb18905f60750: 0000000000000000 0000000000000000 ................
ffffb18905f60760: 0000000000000000 0000000000000000 ................
ffffb18905f60770: 0000000000000000 0000000000000000 ................
ffffb18905f60780: 0000000000000000 0000000000000000 ................
ffffb18905f60790: 0000000000000000 0000000000000000 ................
ffffb18905f607a0: 0000000000000000 0000000000000000 ................
ffffb18905f607b0: 0000000000000000 0000000000000000 ................
ffffb18905f607c0: 0000000000000000 0000000000000000 ................
ffffb18905f607d0: 0000000000000000 0000000000000000 ................
ffffb18905f607e0: 0000000000000000 0000000000000000 ................
ffffb18905f607f0: 0000000000000000 0000000000000000 ................
ffffb18905f60800: 0000000000000000 0000000000000000 ................
ffffb18905f60810: 0000000000000000 0000000000000000 ................
ffffb18905f60820: 0000000000000000 0000000000000000 ................
ffffb18905f60830: 0000000000000000 0000000000000000 ................
ffffb18905f60840: 0000000000000000 0000000000000000 ................
ffffb18905f60850: 0000000000000000 0000000000000000 ................
ffffb18905f60860: 0000000000000000 0000000000000000 ................
ffffb18905f60870: 0000000000000000 0000000000000000 ................
ffffb18905f60880: 0000000000000000 0000000000000000 ................
ffffb18905f60890: 0000000000000000 0000000000000000 ................
ffffb18905f608a0: 0000000000000000 0000000000000000 ................
ffffb18905f608b0: 0000000000000000 0000000000000000 ................
ffffb18905f608c0: 0000000000000000 0000000000000000 ................
ffffb18905f608d0: 0000000000000000 0000000000000000 ................
ffffb18905f608e0: 0000000000000000 0000000000000000 ................
ffffb18905f608f0: 0000000000000000 0000000000000000 ................
ffffb18905f60900: 0000000000000000 0000000000000000 ................
ffffb18905f60910: 0000000000000000 0000000000000000 ................
ffffb18905f60920: 0000000000000000 0000000000000000 ................
ffffb18905f60930: 0000000000000000 0000000000000000 ................
ffffb18905f60940: 0000000000000000 0000000000000000 ................
ffffb18905f60950: 0000000000000000 0000000000000000 ................
ffffb18905f60960: 0000000000000000 0000000000000000 ................
ffffb18905f60970: 0000000000000000 0000000000000000 ................
ffffb18905f60980: 0000000000000000 0000000000000000 ................
ffffb18905f60990: 0000000000000000 0000000000000000 ................
ffffb18905f609a0: 0000000000000000 0000000000000000 ................
ffffb18905f609b0: 0000000000000000 0000000000000000 ................
ffffb18905f609c0: 0000000000000000 0000000000000000 ................
ffffb18905f609d0: 0000000000000000 0000000000000000 ................
ffffb18905f609e0: 0000000000000000 0000000000000000 ................
ffffb18905f609f0: 0000000000000000 0000000000000000 ................
ffffb18905f60a00: 0000000000000000 0000000000000000 ................
ffffb18905f60a10: 0000000000000000 0000000000000000 ................
ffffb18905f60a20: 0000000000000000 0000000000000000 ................
ffffb18905f60a30: 0000000000000000 0000000000000000 ................
ffffb18905f60a40: 0000000000000000 0000000000000000 ................
ffffb18905f60a50: 0000000000000000 0000000000000000 ................
ffffb18905f60a60: 0000000000000000 0000000000000000 ................
ffffb18905f60a70: 0000000000000000 0000000000000000 ................
ffffb18905f60a80: 0000000000000000 0000000000000000 ................
ffffb18905f60a90: 0000000000000000 0000000000000000 ................
ffffb18905f60aa0: 0000000000000000 0000000000000000 ................
ffffb18905f60ab0: 0000000000000000 0000000000000000 ................
ffffb18905f60ac0: 0000000000000000 0000000000000000 ................
ffffb18905f60ad0: 0000000000000000 0000000000000000 ................
ffffb18905f60ae0: 0000000000000000 0000000000000000 ................
ffffb18905f60af0: 0000000000000000 0000000000000000 ................
ffffb18905f60b00: 0000000000000000 0000000000000000 ................
ffffb18905f60b10: 0000000000000000 0000000000000000 ................
ffffb18905f60b20: 0000000000000000 0000000000000000 ................
ffffb18905f60b30: 0000000000000000 0000000000000000 ................
ffffb18905f60b40: 0000000000000000 0000000000000000 ................
ffffb18905f60b50: 0000000000000000 0000000000000000 ................
ffffb18905f60b60: 0000000000000000 0000000000000000 ................
ffffb18905f60b70: 0000000000000000 0000000000000000 ................
ffffb18905f60b80: 0000000000000000 0000000000000000 ................
ffffb18905f60b90: 0000000000000000 0000000000000000 ................
ffffb18905f60ba0: 0000000000000000 0000000000000000 ................
ffffb18905f60bb0: 0000000000000000 0000000000000000 ................
ffffb18905f60bc0: 0000000000000000 0000000000000000 ................
ffffb18905f60bd0: 0000000000000000 0000000000000000 ................
ffffb18905f60be0: 0000000000000000 0000000000000000 ................
ffffb18905f60bf0: 0000000000000000 0000000000000000 ................
ffffb18905f60c00: 0000000000000000 0000000000000000 ................
ffffb18905f60c10: 0000000000000000 0000000000000000 ................
ffffb18905f60c20: 0000000000000000 0000000000000000 ................
ffffb18905f60c30: 0000000000000000 0000000000000000 ................
ffffb18905f60c40: 0000000000000000 0000000000000000 ................
ffffb18905f60c50: 0000000000000000 0000000000000000 ................
ffffb18905f60c60: 0000000000000000 0000000000000000 ................
ffffb18905f60c70: 0000000000000000 0000000000000000 ................
ffffb18905f60c80: 0000000000000000 0000000000000000 ................
ffffb18905f60c90: 0000000000000000 0000000000000000 ................
ffffb18905f60ca0: 0000000000000000 0000000000000000 ................
ffffb18905f60cb0: 0000000000000000 0000000000000000 ................
ffffb18905f60cc0: 0000000000000000 0000000000000000 ................
ffffb18905f60cd0: 0000000000000000 0000000000000000 ................
ffffb18905f60ce0: 0000000000000000 0000000000000000 ................
ffffb18905f60cf0: 0000000000000000 0000000000000000 ................
ffffb18905f60d00: 0000000000000000 0000000000000000 ................
ffffb18905f60d10: 0000000000000000 0000000000000000 ................
ffffb18905f60d20: 0000000000000000 0000000000000000 ................
ffffb18905f60d30: 0000000000000000 0000000000000000 ................
ffffb18905f60d40: 0000000000000000 0000000000000000 ................
ffffb18905f60d50: 0000000000000000 0000000000000000 ................
ffffb18905f60d60: 0000000000000000 0000000000000000 ................
ffffb18905f60d70: 0000000000000000 0000000000000000 ................
ffffb18905f60d80: 0000000000000000 0000000000000000 ................
ffffb18905f60d90: 0000000000000000 0000000000000000 ................
ffffb18905f60da0: 0000000000000000 0000000000000000 ................
ffffb18905f60db0: 0000000000000000 0000000000000000 ................
ffffb18905f60dc0: 0000000000000000 0000000000000000 ................
ffffb18905f60dd0: 0000000000000000 0000000000000000 ................
ffffb18905f60de0: 0000000000000000 0000000000000000 ................
ffffb18905f60df0: 0000000000000000 0000000000000000 ................
ffffb18905f60e00: 0000000000000000 0000000000000000 ................
ffffb18905f60e10: 0000000000000000 0000000000000000 ................
ffffb18905f60e20: 0000000000000000 0000000000000000 ................
ffffb18905f60e30: 0000000000000000 0000000000000000 ................
ffffb18905f60e40: 0000000000000000 0000000000000000 ................
ffffb18905f60e50: 0000000000000000 0000000000000000 ................
ffffb18905f60e60: 0000000000000000 0000000000000000 ................
ffffb18905f60e70: 0000000000000000 0000000000000000 ................
ffffb18905f60e80: 0000000000000000 0000000000000000 ................
ffffb18905f60e90: 0000000000000000 0000000000000000 ................
ffffb18905f60ea0: 0000000000000000 0000000000000000 ................
ffffb18905f60eb0: 0000000000000000 0000000000000000 ................
ffffb18905f60ec0: 0000000000000000 0000000000000000 ................
ffffb18905f60ed0: 0000000000000000 0000000000000000 ................
ffffb18905f60ee0: 0000000000000000 0000000000000000 ................
ffffb18905f60ef0: 0000000000000000 0000000000000000 ................
ffffb18905f60f00: 0000000000000000 0000000000000000 ................
ffffb18905f60f10: 0000000000000000 0000000000000000 ................
ffffb18905f60f20: 0000000000000000 0000000000000000 ................
ffffb18905f60f30: 0000000000000000 0000000000000000 ................
ffffb18905f60f40: 0000000000000000 ffff998c79483448 ........H4Hy....
ffffb18905f60f50: 0000000000000000 0000000000000000 ................
ffffb18905f60f60: 0000000000000000 0000000000000000 ................
ffffb18905f60f70: 0000000000000000 0000000000000000 ................
ffffb18905f60f80: 0000000000000000 0000000000000000 ................
ffffb18905f60f90: 0000000000000000 0000000000000000 ................
ffffb18905f60fa0: 0000000000000000 0000000000000000 ................
ffffb18905f60fb0: 0000000000000000 0000000000000000 ................
ffffb18905f60fc0: 0000000000000000 0000000000000000 ................
ffffb18905f60fd0: 0000000000000000 0000000000000000 ................
ffffb18905f60fe0: 0000000000000000 0000000000000000 ................
ffffb18905f60ff0: 0000000000000000 0000000000000000 ................
crash> search -p -m 0xfff0000000000fff 0x103360450
1225c6d18: 103360002
3852821a8: 103360798
48d9bbddf0: 200000103360a51
100184f6d18: 103360002
10018576d18: 103360002
100193e6d18: 103360002
crash> kmem 0x1225c6d18
PAGE PHYSICAL MAPPING INDEX CNT FLAGS
fffff27144897180 1225c6000 0 0 0 2ffff800000000
crash> kmem 0x3852821a8
PAGE PHYSICAL MAPPING INDEX CNT FLAGS
fffff2714e14a080 385282000 0 ebbf2000 1 2ffff800000000
crash> kmem 0x48d9bbddf0
PAGE PHYSICAL MAPPING INDEX CNT FLAGS
fffff2726366ef40 48d9bbd000 0 eac4a000 1 2ffff800000000
crash> kmem 0x100184f6d18
PAGE PHYSICAL MAPPING INDEX CNT FLAGS
fffff27540613d80 100184f6000 0 0 0 6ffff800000000
crash> kmem 0x10018576d18
PAGE PHYSICAL MAPPING INDEX CNT FLAGS
fffff27540615d80 10018576000 0 0 0 6ffff800000000
crash> kmem 0x100193e6d18
PAGE PHYSICAL MAPPING INDEX CNT FLAGS
fffff2754064f980 100193e6000 0 0 0 6ffff800000000
crash> rd -p 0x103360000 512
103360000: 0000000000000000 0000000000000000 ................
103360010: 0000000000000000 0000000000000000 ................
103360020: 0000000000000000 0000000000000000 ................
103360030: 0000000000000000 0000000000000000 ................
103360040: 0000000000000000 0000000000000000 ................
103360050: 0000000000000000 0000000000000000 ................
103360060: 0000000000000000 0000000000000000 ................
103360070: 0000000000000000 0000000000000000 ................
103360080: 0000000000000000 0000000000000000 ................
103360090: 0000000000000000 0000000000000000 ................
1033600a0: 0000000000000000 0000000000000000 ................
1033600b0: 0000000000000000 0000000000000000 ................
1033600c0: 0000000000000000 0000000000000000 ................
1033600d0: 0000000000000000 0000000000000000 ................
1033600e0: 0000000000000000 0000000000000000 ................
1033600f0: 0000000000000000 0000000000000000 ................
103360100: 0000000000000000 0000000000000000 ................
103360110: 0000000000000000 0000000000000000 ................
103360120: 0000000000000000 0000000000000000 ................
103360130: 0000000000000000 0000000000000000 ................
103360140: 0000000000000000 0000000000000000 ................
103360150: 0000000000000000 0000000000000000 ................
103360160: 0000000000000000 0000000000000000 ................
103360170: 0000000000000000 0000000000000000 ................
103360180: 0000000000000000 0000000000000000 ................
103360190: 0000000000000000 0000000000000000 ................
1033601a0: 0000000000000000 0000000000000000 ................
1033601b0: 0000000000000000 0000000000000000 ................
1033601c0: 0000000000000000 0000000000000000 ................
1033601d0: 0000000000000000 0000000000000000 ................
1033601e0: 0000000000000000 0000000000000000 ................
1033601f0: 0000000000000000 0000000000000000 ................
103360200: 0000000000000000 0000000000000000 ................
103360210: 0000000000000000 0000000000000000 ................
103360220: 0000000000000000 0000000000000000 ................
103360230: 0000000000000000 0000000000000000 ................
103360240: 0000000000000000 0000000000000000 ................
103360250: 0000000000000000 0000000000000000 ................
103360260: 0000000000000000 0000000000000000 ................
103360270: 0000000000000000 0000000000000000 ................
103360280: 0000000000000000 0000000000000000 ................
103360290: 0000000000000000 0000000000000000 ................
1033602a0: 0000000000000000 0000000000000000 ................
1033602b0: 0000000000000000 0000000000000000 ................
1033602c0: 0000000000000000 0000000000000000 ................
1033602d0: 0000000000000000 0000000000000000 ................
1033602e0: 0000000000000000 0000000000000000 ................
1033602f0: 0000000000000000 0000000000000000 ................
103360300: 0000000000000000 0000000000000000 ................
103360310: 0000000000000000 0000000000000000 ................
103360320: 0000000000000000 0000000000000000 ................
103360330: 0000000000000000 0000000000000000 ................
103360340: 0000000000000000 0000000000000000 ................
103360350: 0000000000000000 0000000000000000 ................
103360360: 0000000000000000 0000000000000000 ................
103360370: 0000000000000000 0000000000000000 ................
103360380: 0000000000000000 0000000000000000 ................
103360390: 0000000000000000 0000000000000000 ................
1033603a0: 0000000000000000 0000000000000000 ................
1033603b0: 0000000000000000 0000000000000000 ................
1033603c0: 0000000000000000 0000000000000000 ................
1033603d0: 0000000000000000 0000000000000000 ................
1033603e0: 0000000000000000 0000000000000000 ................
1033603f0: 0000000000000000 0000000000000000 ................
103360400: 0000000000000000 0000000000000000 ................
103360410: 0000000000000000 0000000000000000 ................
103360420: 0000000000000000 0000000000000000 ................
103360430: 0000000000000000 0000000000000000 ................
103360440: 0fffffff0c930020 0000000000000000 ...............
103360450: 0fffffff0c930020 fffff86eb0c30000 ...........n...
103360460: 0000000000000000 0000000000000000 ................
103360470: 0000000000000000 0000000000000000 ................
103360480: 0000000000000000 0000000000000000 ................
103360490: 0000006700890030 fffff86eb0ca2350 0...g...P#..n...
1033604a0: 0000000000000000 0000000000000000 ................
1033604b0: 0000000000000000 0000000000000000 ................
1033604c0: 0000000000000000 0000000000000000 ................
1033604d0: 0000000000000000 0000000000000000 ................
1033604e0: 0000000000000000 0000000000000000 ................
1033604f0: 0000000000000000 0000000000000000 ................
103360500: 0000000000000000 0000000000000000 ................
103360510: 0000000000000000 0000000000000000 ................
103360520: 0000000000000000 0000000000000000 ................
103360530: 0000000000000000 0000000000000000 ................
103360540: 0000000000000000 0000000000000000 ................
103360550: 0000000000000000 0000000000000000 ................
103360560: 0000000000000000 0000000000000000 ................
103360570: 0000000000000000 0000000000000000 ................
103360580: 0000000000000000 0000000000000000 ................
103360590: 0000000000000000 0000000000000000 ................
1033605a0: 0000000000000000 0000000000000000 ................
1033605b0: 0000000000000000 0000000000000000 ................
1033605c0: 0000000000000000 0000000000000000 ................
1033605d0: 0000000000000000 0000000000000000 ................
1033605e0: 0000000000000000 0000000000000000 ................
1033605f0: 0000000000000000 0000000000000000 ................
103360600: 0000000000000000 0000000000000000 ................
103360610: 0000000000000000 0000000000000000 ................
103360620: 0000000000000000 0000000000000000 ................
103360630: 0000000000000000 0000000000000000 ................
103360640: 0000000000000000 0000000000000000 ................
103360650: 0000000000000000 0000000000000000 ................
103360660: 0000000000000000 0000000000000000 ................
103360670: 0000000000000000 0000000000000000 ................
103360680: 0000000000000000 0000000000000000 ................
103360690: 0000000000000000 0000000000000000 ................
1033606a0: 0000000000000000 0000000000000000 ................
1033606b0: 0000000000000000 0000000000000000 ................
1033606c0: 0000000000000000 ffff985caf209d48 ........H. .\...
1033606d0: 0000000000000000 0000000000000000 ................
1033606e0: 0000000000000000 0000000000000000 ................
1033606f0: 0000000000000000 0000000000000000 ................
103360700: 0000000000000000 0000000000000000 ................
103360710: 0000000000000000 0000000000000000 ................
103360720: 0000000000000000 0000000000000000 ................
103360730: 0000000000000000 0000000000000000 ................
103360740: 0000000000000000 0000000000000000 ................
103360750: 0000000000000000 0000000000000000 ................
103360760: 0000000000000000 0000000000000000 ................
103360770: 0000000000000000 0000000000000000 ................
103360780: 0000000000000000 0000000000000000 ................
103360790: 0000000000000000 0000000000000000 ................
1033607a0: 0000000000000000 0000000000000000 ................
1033607b0: 0000000000000000 0000000000000000 ................
1033607c0: 0000000000000000 0000000000000000 ................
1033607d0: 0000000000000000 0000000000000000 ................
1033607e0: 0000000000000000 0000000000000000 ................
1033607f0: 0000000000000000 0000000000000000 ................
103360800: 0000000000000000 0000000000000000 ................
103360810: 0000000000000000 0000000000000000 ................
103360820: 0000000000000000 0000000000000000 ................
103360830: 0000000000000000 0000000000000000 ................
103360840: 0000000000000000 0000000000000000 ................
103360850: 0000000000000000 0000000000000000 ................
103360860: 0000000000000000 0000000000000000 ................
103360870: 0000000000000000 0000000000000000 ................
103360880: 0000000000000000 0000000000000000 ................
103360890: 0000000000000000 0000000000000000 ................
1033608a0: 0000000000000000 0000000000000000 ................
1033608b0: 0000000000000000 0000000000000000 ................
1033608c0: 0000000000000000 0000000000000000 ................
1033608d0: 0000000000000000 0000000000000000 ................
1033608e0: 0000000000000000 0000000000000000 ................
1033608f0: 0000000000000000 0000000000000000 ................
103360900: 0000000000000000 0000000000000000 ................
103360910: 0000000000000000 0000000000000000 ................
103360920: 0000000000000000 0000000000000000 ................
103360930: 0000000000000000 0000000000000000 ................
103360940: 0000000000000000 0000000000000000 ................
103360950: 0000000000000000 0000000000000000 ................
103360960: 0000000000000000 0000000000000000 ................
103360970: 0000000000000000 0000000000000000 ................
103360980: 0000000000000000 0000000000000000 ................
103360990: 0000000000000000 0000000000000000 ................
1033609a0: 0000000000000000 0000000000000000 ................
1033609b0: 0000000000000000 0000000000000000 ................
1033609c0: 0000000000000000 0000000000000000 ................
1033609d0: 0000000000000000 0000000000000000 ................
1033609e0: 0000000000000000 0000000000000000 ................
1033609f0: 0000000000000000 0000000000000000 ................
103360a00: 0000000000000000 0000000000000000 ................
103360a10: 0000000000000000 0000000000000000 ................
103360a20: 0000000000000000 0000000000000000 ................
103360a30: 0000000000000000 0000000000000000 ................
103360a40: 0000000000000000 0000000000000000 ................
103360a50: 0000000000000000 0000000000000000 ................
103360a60: 0000000000000000 0000000000000000 ................
103360a70: 0000000000000000 0000000000000000 ................
103360a80: 0000000000000000 0000000000000000 ................
103360a90: 0000000000000000 0000000000000000 ................
103360aa0: 0000000000000000 0000000000000000 ................
103360ab0: 0000000000000000 0000000000000000 ................
103360ac0: 0000000000000000 0000000000000000 ................
103360ad0: 0000000000000000 0000000000000000 ................
103360ae0: 0000000000000000 0000000000000000 ................
103360af0: 0000000000000000 0000000000000000 ................
103360b00: 0000000000000000 0000000000000000 ................
103360b10: 0000000000000000 0000000000000000 ................
103360b20: 0000000000000000 0000000000000000 ................
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103360f40: 0000000000000000 ffff998c79483448 ........H4Hy....
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let me know what else I can provide..
I'll plan rebooting those problematic production boxes to set tlbi=ipi
and also switch to kernel with the patch you've sent me
cheers!
nik
>
> Thanks!
>
> --
> Cheers, Lorenzo
>
--
Ing. Nikola CIPRICH
technický ředitel
+420 591 166 214
+420 777 093 799
nikola.ciprich@linuxbox.cz
www.linuxbox.cz
next prev parent reply other threads:[~2026-10-04 18:40 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-25 8:48 hunting memory corruption bug in 6.18.x Nikola Ciprich
2026-09-25 10:05 ` Lorenzo Stoakes (ARM)
2026-09-25 12:13 ` Lorenzo Stoakes (ARM)
2026-09-26 5:58 ` Nikola Ciprich
2026-09-26 9:32 ` Lorenzo Stoakes (ARM)
2026-09-28 9:05 ` Nikola Ciprich
2026-09-29 19:11 ` Nikola Ciprich
2026-09-30 9:07 ` Lorenzo Stoakes (ARM)
2026-09-30 18:40 ` Nikola Ciprich
2026-10-01 19:40 ` Nikola Ciprich
2026-10-01 22:21 ` David Laight
2026-10-02 9:50 ` Lorenzo Stoakes (ARM)
2026-10-02 14:55 ` Nikola Ciprich
2026-10-02 19:27 ` Lorenzo Stoakes (ARM)
2026-10-04 18:40 ` Nikola Ciprich [this message]
2026-10-05 11:25 ` Rik van Riel
2026-10-05 19:02 ` Nikola Ciprich
[not found] ` <20261005132113.43548696@pumpkin>
2026-10-05 19:25 ` Nikola Ciprich
2026-10-08 12:29 ` Nikola Ciprich
2026-10-08 18:23 ` Borislav Petkov
2026-10-08 20:48 ` Nikola Ciprich
2026-10-09 8:00 ` David Laight
2026-10-12 11:43 ` Nikola Ciprich
2026-10-02 22:02 ` Borislav Petkov
2026-10-04 18:45 ` Nikola Ciprich
2026-10-05 10:58 ` Rik van Riel
2026-10-05 18:05 ` Nikola Ciprich
2026-09-26 16:02 ` Luiz Capitulino
2026-09-28 8:47 ` Nikola Ciprich
2026-10-04 22:20 ` Rik van Riel
2026-10-05 9:31 ` Nikola Ciprich
2026-10-05 8:31 ` Lance Yang
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