mutex Giant recursed at /usr/src/sys/kern/tty.c:1222 (vialinux_ioctl_termio)

[Yuriy Tsibizov]

> From: Ed Schouten [mailto:ed at 80386.nl] 
> Sent: Monday, March 02, 2009 12:30 PM
> To: Yuriy Tsibizov
> Cc: FreeBSD Current
> Subject: Re: mutex Giant recursed at 
> /usr/src/sys/kern/tty.c:1222 (vialinux_ioctl_termio)
> 
> Yuriy,
> 
> After a quick read it may be possible we don't actually 
> require Giant to
> be held there. Could you please try the attached patch? Thanks.

Will try on weekend. Looking at patch -- it should fix this particular
panic, but I can't say, should we hold Giant there or not.

Yuriy.