On Mon, Aug 16, 2004 at 04:19:11PM -0700, Jake Khuon wrote: > ### On Mon, 16 Aug 2004 08:10:00 +0200, Marc van Kempen <marc_at_bowtie.nl> > ### casually decided to expound upon freebsd-current_at_freebsd.org the > ### following thoughts about "ATA write-dma interrupt was seen but timeout > ### fired LBA=53346288": > > MvK> After I resume I get these warnings: > MvK> > MvK> ATA write-dma interrupt was seen but timeout fired LBA=53346288 > MvK> ATA write-dma interrupt was seen but timeout fired LBA=53346288 > MvK> ATA write-dma interrupt was seen but taskqueue stalled LBA=53346288 > MvK> > MvK> This basically results in the harddisk being unaccessible and the systems > MvK> hangs eventually. Rebooting does not work because the harddisk can't be > MvK> synced, etc. > MvK> > MvK> Does anyone know what is going on? > > I had this same problem on my IBM T30 although I'm using APM. I couldn't > get ACPI suspend to play nice with XFree86 and GLX. > try: hw.syscons.sc_no_suspend_vtswitch=1 hw.acpi.reset_video=0 works for me, glx enabled and very fast resuming/suspending. In X and Console. > It was very frustrating to not have reliable suspend. However, I think I > might have solved it. Do you have a CDROM (or similar) device attached? > > I added "atacontrol detach 1" to /etc/rc.suspend to detach the CDROM drive > before suspending. Likewise, I added a complementary "atacontrol attach 1" > in /etc/rc.resume. Since doing that, I have not seen the interrupt > problems. I do notice now that shortly before the re-attachment kicks in > after coming back from suspend, I will see: > > Aug 16 15:45:02 Mocha kernel: stray irq15 > I see exactly the same thing (from some quick testing), manually attaching detaching the cdrom drive (actually dvd/cdrom-writer) makes suspend/resume work reliably! > I'm not sure if this is normal or is an indication of some weird IRQ storm. > At anyrate, detaching and reattaching during the suspend/resume cycle seems > to damp it and stablised the whole ATA subsystem. > The only problem left is that with acpi the file /etc/rc.{suspend,resume} don't seem to get called. Cheers, Marc.Received on Mon Aug 16 2004 - 21:52:14 UTC
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