Date: Thu, 18 Mar 2010 22:02:47 +0100 From: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de> To: Matthew Fleming <matthew.fleming@isilon.com> Cc: freebsd-stable@freebsd.org Subject: Re: Fatal trap 12: page fault while in kernel mode/current process: 12 (swi2: cambio) Message-ID: <4BA294F7.4030209@mail.zedat.fu-berlin.de> In-Reply-To: <4B9EBCE5.7080303@mail.zedat.fu-berlin.de> References: <4B9E2DFD.2000701@zedat.fu-berlin.de> <06D5F9F6F655AD4C92E28B662F7F853E037DDA15@seaxch09.desktop.isilon.com> <4B9EBCE5.7080303@mail.zedat.fu-berlin.de>
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On 03/16/10 00:04, O. Hartmann wrote: > On 03/15/10 18:30, Matthew Fleming wrote: >>> Since the last update and make world on Friday, 12th March I get a >> crash >>> on one of my FreeBSD SMP boxes (it is always the same core message), >>> saying something about >>> >>> Fatal trap 12: page fault while in kernel mode [...] current process: >> 12 >>> (swi2: cambio) >> >> Can you show the stack traceback from the kernel core? >> >> We had a problem a while ago at Isilon that I can't tell if it's >> related. In our case, the camisr() routine was called after panic(9) >> started and before the halt of other processors. This did Bad >> Things(TM) since the mtx_lock is a no-op after panicstr is set. >> >> We solved it locally by wrapping camisr() in a local cambio_swi() >> routine that only called camisr(NULL) when panicstr == NULL. >> >> Thanks, >> matthew > > Hello. > > I will do as soon as possible. The box is in production at the moment > and I've less time to put everything into debugging to provide more > details. > > Just in case: does the kernel automatically save the screen with the > dump information? If not, I have no other terminal facility to get a > dump via the classical way. > > Regards, > Oliver Since yesterday, this problem went away! This is mystical. After deactivating radeon.ko and the virtual box stuff I tried again with a new build of world and - voila! - everything worked again. This is strange ... Oliver
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