Date: Tue, 23 Oct 2018 14:54:11 +0300 From: Toomas Soome <tsoome@me.com> To: lev@FreeBSD.org Cc: Mark Millard <marklmi@yahoo.com>, Konstantin Belousov <kib@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>, Warner Losh <imp@bsdimp.com> Subject: Re: loader lsdev crashes loader (Was: head -r338804 boots threadripper 1950X fine; head -r338810+ do not; -r338807 seems implicated) Message-ID: <7B44DEC3-9E79-46E0-BC02-E6C95680BF77@me.com> In-Reply-To: <18e270f6-c811-3f5e-bf65-76c895782c8f@FreeBSD.org> References: <79973E2B-F5C4-4E7C-B92B-1C8D4441C7D1@yahoo.com> <ACBB38EF-9A6A-40E5-AB6C-EEB9E292A919@yahoo.com> <EDBFFACB-8582-4B16-AC1A-63F8C86C9BA4@yahoo.com> <CANCZdfo=uqLn16r0FShz=WEv3Z34LbmC1gqzKabwfr3gEUXsJg@mail.gmail.com> <CANCZdfoHg8=FfuJchyPJ9qBDZBkR_7nYTWPiQedZkW4Cs1pR5A@mail.gmail.com> <3CA4C94F-A062-44FE-B507-948A6F88C83D@me.com> <18e270f6-c811-3f5e-bf65-76c895782c8f@FreeBSD.org>
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> On 23 Oct 2018, at 13:53, Lev Serebryakov <lev@FreeBSD.org> wrote: >=20 > On 22.10.2018 12:27, Toomas Soome wrote: >=20 >> It would help to get output from loader lsdev -v command. > current loader crashes on "lsdev" for me: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D232483 (it is not > threadripper-related, my hardware is Intel Atom). >=20 > --=20 > // Lev Serebryakov >=20 That error means something is corrupting the memory, it is hard to guess = what exactly and debugging it is nasty - it means we would need to track = down what was allocated before this memory block (guard1 is marker = inserted in front of the allocated memory block).=20 Fortunately the code to print the partition table is in = stand/common/disk.c and the partition code is just next to it and so it = should be relatively easy to find the guilty one=E2=80=A6 I will try to = see if I can replicate the issue. rgds, toomas=
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