Date: Tue, 22 Jul 2008 22:21:55 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Mikhail Teterin <mi+mill@aldan.algebra.com> Cc: Kris Kennaway <kris@freebsd.org>, questions@freebsd.org, stable@freebsd.org, Jeremy Chadwick <koitsu@freebsd.org> Subject: Re: "sleeping without queue" ? Message-ID: <20080722192155.GC17123@deviant.kiev.zoral.com.ua> In-Reply-To: <48861448.7020708@aldan.algebra.com> References: <4885F2A6.5020204@aldan.algebra.com> <4885FCE5.1060507@FreeBSD.org> <48860725.9050808@aldan.algebra.com> <20080722161958.GA11139@eos.sc1.parodius.com> <48860E8C.6050400@FreeBSD.org> <48860EF6.2040007@aldan.algebra.com> <48861284.1050706@FreeBSD.org> <48861448.7020708@aldan.algebra.com>
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[-- Attachment #1 --] On Tue, Jul 22, 2008 at 01:09:28PM -0400, Mikhail Teterin wrote: > Kris Kennaway написав(ла): > >Mikhail Teterin wrote: > >>Kris Kennaway написав(ла): > >>>Well, I mean kernel backtrace. > >>Can I obtain that remotely and without restarting/panicking the box? > >>Thanks, > >kgdb on /dev/mem or procstat > root@aldan:~ (107) kgdb /boot/kernel/kernel /dev/mem > [...] > (kgdb) bt > #0 0x0000000000000000 in ?? () > Error accessing memory address 0x0: Bad address. > > Even less luck with procstat: > > root@aldan:~ (108) locate procstat > root@aldan:~ (109) procstat > procstat: Нев?дома команда. > root@aldan:~ (110) man procstat > No manual entry for procstat > > I'm sorry, but you'll need to be more specific. What should I type? Thanks, Did you switched to the process before doing backtrace (using the proc <pid> command) ? What is the exact version of the system ? Note that procstat appeared in the late RELENG_7. Also, show the output of ps axl <pid>. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkiGM1EACgkQC3+MBN1Mb4i1GQCeKdXwhZ8vMvn3vn32c/qpPS0t yXwAniVeqfbnnS+VtS0kEL1SNURtFy8D =RCc9 -----END PGP SIGNATURE-----
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