Date: Fri, 25 Mar 2022 14:32:05 -0700 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-current@freebsd.org Cc: Rick Macklem <rmacklem@uoguelph.ca> Subject: Re: ktrace on NFSroot failing? Message-ID: <70135754-84c2-b642-5641-0721e0b4690d@FreeBSD.org> In-Reply-To: <CAGudoHGCOVQy7CVySkNKey0QYi2zqO8UqBUcACzmWH4B-ZpsuQ@mail.gmail.com> References: <alpine.BSF.2.00.2203101514090.68830@ai.fobar.qr> <CAGudoHGCOVQy7CVySkNKey0QYi2zqO8UqBUcACzmWH4B-ZpsuQ@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 3/10/22 8:14 AM, Mateusz Guzik wrote: > On 3/10/22, Bjoern A. Zeeb <bzeeb-lists@lists.zabbadoz.net> wrote: >> Hi, >> >> I am having a weird issue with ktrace on an nfsroot machine: >> >> root:/tmp # ktrace sleep 1 >> root:/tmp # kdump >> -559038242 Events dropped. >> kdump: bogus length 0xdeadc0de >> >> Anyone seen something like this before? >> > > I just did a quick check and it definitely fails on nfs mounts: > # ktrace pwd > /root/mjg > # kdump > -559038242 Events dropped. > kdump: bogus length 0xdeadc0de > > I don't have time to look into it this week though. Possibly related: core dumps are no longer working for me on NFS mounts. I get a 0 byte foo.core instead of a valid core dump. -- John Baldwin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?70135754-84c2-b642-5641-0721e0b4690d>