Date: Thu, 29 Sep 2005 14:06:17 -0400 From: John Baldwin <jhb@FreeBSD.org> To: Nate Lawson <nate@root.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, Pawel Jakub Dawidek <pjd@FreeBSD.org>, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/bge if_bge.c Message-ID: <200509291406.19775.jhb@FreeBSD.org> In-Reply-To: <433C291E.3050409@root.org> References: <20050928192056.B7E6D16A42B@hub.freebsd.org> <200509291054.40587.jhb@FreeBSD.org> <433C291E.3050409@root.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thursday 29 September 2005 01:49 pm, Nate Lawson wrote: > John Baldwin wrote: > > On Wednesday 28 September 2005 04:36 pm, Nate Lawson wrote: > >>I've heard disabling apic helps T42s, otherwise they get a hard hang. > >>It's difficult to print the driver progress while suspending because the > >>function call stack is recursive, not iterative. For example, > >>root_suspend -> pci_suspend -> fxp_suspend -> mii_suspend (if that > >>exists). You'd have to add a printf in every driver and bus. A better > >>way might be to add printf or KTR to bus_generic_suspend() to print the > >>device name before calling its method. > >> > >>BTW, I'm working on committing a patch that adds KTR to acpi so we can > >>track down issues like this although the device suspending stuff should > >>be done separately as listed above. > > > > BTW, the issue with APIC on some systems is that when we use the APIC, > > the current code doesn't end up doing suspend/resume for the ATPIC and so > > it ends up in some random state. > > Ah, is a fix for that upcoming? :) It's in my head. I think I need to rework the suspend/resume support in the x86 interrupt code to instead of doing all the interrupt sources, having the atpic and apic code register pic devices in a separate list that gets iterated on suspend and resume. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200509291406.19775.jhb>