From: Alex Buell <alex.buell@xxxxxxxxxxxxx> Date: Mon, 03 Jan 2011 20:33:21 +0000 > On Mon, 2011-01-03 at 11:43 -0800, David Miller wrote: >> From: Alex Buell <alex.buell@xxxxxxxxxxxxx> >> Date: Mon, 03 Jan 2011 19:39:01 +0000 >> >> > Secondly, is Linux fully capable of handling different graphic cards >> > simultaneously? For example, plug in a pair of monitors and have >> > consoles on both with disparate graphic cards i.e. XVR-500 and S3ViRGE >> > etc? >> >> Technically I don't think it can do it currently. Maybe just for >> kernel message logging, but not for actual login consoles. >> >> One TTY device is marked as the "console" and that's where all >> tty[0-9]+ devices get instantiated upon. > > Hmm, maybe it would be nice to introduce that capability. How doable > would it be? I understand the BKL is going away, perhaps it would now be > easier to introduce such a facility? It has nothing to do with the big kernel lock. > I've just started digging into the innards of the s3fb driver, my first > attempt provoked this, simply by commenting out the check to see if it's > not the primary device and exits with -ENODEV: > > Jan 3 20:16:29 sodium kernel: ERROR(1): Cheetah error trap taken > afsr[0030100000000000] afar[00000000000003d0] TL1(0) > Jan 3 20:16:29 sodium kernel: ERROR(1): TPC[105918d8] TNPC[105918dc] > O7[10591884] TSTATE[4411001606] > Jan 3 20:16:29 sodium kernel: ERROR(1): TPC<s3_pci_probe+0x194/0x63c > [s3fb]> > Jan 3 20:16:29 sodium kernel: ERROR(1): M_SYND(0), E_SYND(0), Multiple > Errors, Privileged I know, this is what happens if you call vga_*() with a NULL first parameter on sparc64. It's accessing garbage addresses. -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
