In message <20050124134546.GB59685_at_obiwan.tataz.chchile.org>, Jeremie Le Hen writes: >While talking about WITNESS, I checked my kernel config and remembered >that FULL_PREEMPTION is on. The panic disappeared when I turned off >the latter : I managed to create up to about 16 md(4) devices. I know >this should not be enabled for users, but I'm interested in "exposing >race conditions" as said in the comment. Well, you clearly did :-) I suggest you send a summary of what you have found to jhb_at_freebsd.org, he's working on the FULL_PREEMPTION stuff. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk_at_FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.Received on Tue Jan 25 2005 - 08:37:08 UTC
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