Mikael Pettersson writes: > Booting 2.6.25-rc3 on my Ultra5 causes a hang before or as > the console is switched over to the framebuffer. The console > output is (extrapolated from dmesg in -rc2 and handwritten > notes, as I don't have a serial cable to my U5): > > PROMLIB: Sun IEEE Boot Prom 'OBP 3.25.3 2000/06/29 14:12' > PROMLIB: Root node compatible: > *** the following line can't be seen in dmesg after rc2 has booted > console [earlyprom0] enabled > Linux version 2.6.25-rc3 (mikpe@sparge) (gcc version 4.2.3) #1 Mon Feb 25 18:49:41 CET 2008 > ARCH: SUN4U > Ethernet address: 08:00:20:fd:ec:1f > [0000000200000000-fffff80000400000] page_structs=262144 node=0 entry=0/0 > [0000000200000000-fffff80000800000] page_structs=262144 node=0 entry=1/0 > [0000000200000000-fffff80000c00000] page_structs=262144 node=0 entry=2/0 > [0000000200000000-fffff80001000000] page_structs=262144 node=0 entry=3/0 > OF stdout device is: /pci@1f,0/pci@1,1/SUNW,m64B@2 > PROM: Built device tree with 46617 bytes of memory. > On node 0 totalpages: 32299 > Normal zone: 335 pages used for memmap > Normal zone: 0 pages reserved > Normal zone: 31964 pages, LIFO batch:7 > Movable zone: 0 pages used for memmap > Built 1 zonelists in Zone order, mobility grouping on. Total pages: 31964 > Kernel command line: ro root=/dev/sda5 > PID hash table entries: 1024 (order: 10, 8192 bytes) > clocksource: mult[28000] shift[16] > clockevent: mult[66666666] shift[32] > Console: colour dummy device 80x25 > *** the following line can't be seen in dmesg after rc2 has booted > console handover: boot [earlyprom0] -> real [tty0] > > At this point rc3 hangs hard and won't even respond to sysrq. > > Another difference is that with rc2 the first few lines of kernel > output while the console is still in OF mode either aren't shown > or disappear quickly since the switch to the framebuffer occurs > within a fraction of a second after the kernel has been loaded. > With rc3 the kernel output (the text shown above) in the OF-mode > console is very very slow. > > (I should have quoted my .config here but I forgot to bring it. > It's exactly the same in rc2 and rc3, however.) > > I'll try some rc2->rc3 bisecting later. Minor update: rc2-git7 has the slow initial console behaviour, but successfully switches to the framebuffer. rc2-git8 however hangs in the console handover. So I'll bisect git7->git8 next. /Mikael - To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
