[OpenBIOS] [PATCH] RFC: Increase dictionary size on SPARC64

[Mark Cave-Ayland]

Blue Swirl wrote:

> boot:
> Allocated 8 Megs of memory at 0x40000000 for kernel
> Loaded kernel version 2.6.26
> Loading initial ramdisk (4300466 bytes at 0xC00000 phys, 0x40C00000 virt)...
> \
> [    0.000000] PROMLIB: Sun IEEE Boot Prom 'OBP 3.10.24 1999/01/01 01:01'
> [    0.000000] PROMLIB: Root node compatible: sun4u
> [    0.000000] Initializing cgroup subsys cpu
> [    0.000000] Linux version 2.6.26-2-sparc64 (Debian 2.6.26-17)
> (dannf at debian.org) (gcc version 4.1.3 20080704 (prerelease) (Debian
> 4.1.2-25)) #1 Sun Jun 21 04:31:33 UTC 2009
> [    0.000000] console [earlyprom0] enabled
> [    0.000000] ARCH: SUN4U
> [    0.000000] Ethernet address: 52:54:00:12:34:56
> [    0.000000] Kernel: Using 1 locked TLB entries for main kernel image.
> [    0.000000] Remapping the kernel... done.
> [    0.000000] OF stdout device is: /pci at 1fe,0/pci at 1/pci at 1,1/ebus at 3/su at 1fe
> [    0.000000] PROM: Built device tree with 32942 bytes of memory.
> [    0.000000] Top of RAM: 0x7e80000, Total RAM: 0x7e80000
> [    0.000000] Memory hole size: 0MB
> [    0.000000] [0000000200000000-fffff80000800000] page_structs=131072
> node=0 entry=0/0
> [    0.000000] [0000000200000000-fffff80001400000] page_structs=131072
> node=0 entry=1/0
> [    0.000000] Zone PFN ranges:
> [    0.000000]   Normal          0 ->    16192
> [    0.000000] Movable zone start PFN for each node
> [    0.000000] early_node_map[1] active PFN ranges
> [    0.000000]     0:        0 ->    16192
> [    0.000000] Booting Linux...
> [    0.000000] Built 1 zonelists in Zone order, mobility grouping on.
> Total pages: 16081
> [    0.000000] Kernel command line:
> [    0.000000] PID hash table entries: 512 (order: 9, 4096 bytes)
> [    0.000000] clocksource: mult[a0000] shift[16]
> [    0.000000] clockevent: mult[19999999] shift[32]
> [   40.504885] Console: colour dummy device 80x25
> [   40.737695] console handover: boot [earlyprom0] -> real [tty0]
> 
> after this nothing happens. Same with graphical console.

Hmmm that's weird. I get the following:

boot:
Allocated 8 Megs of memory at 0x40000000 for kernel
Loaded kernel version 2.6.26
Loading initial ramdisk (4312781 bytes at 0xC00000 phys, 0x40C00000 virt)...
|
[    0.000000] PROMLIB: Sun IEEE Boot Prom 'OBP 3.10.24 1999/01/01 01:01'
[    0.000000] PROMLIB: Root node compatible: sun4u
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 2.6.26-2-sparc64 (Debian 2.6.26-21) 
(dannf at debian.org) (gcc version 4.1.3 20080704 (prerelease) (Debian 
4.1.2-25)) #1 Tue Jan 12 22:16:05 UTC 2010
[    0.000000] console [earlyprom0] enabled
[    0.000000] ARCH: SUN4U
[    0.000000] Ethernet address: 52:54:00:12:34:56
[    0.000000] Kernel: Using 1 locked TLB entries for main kernel image.
[    0.000000] Remapping the kernel... done.
[    0.000000] OF stdout device is: /pci at 1fe,0/pci at 1/pci at 1,1/ebus at 3/su at 1fe
[    0.000000] PROM: Built device tree with 31881 bytes of memory.
[    0.000000] Top of RAM: 0x7e80000, Total RAM: 0x7e80000
[    0.000000] Memory hole size: 0MB
[    0.000000] [0000000200000000-fffff80000800000] page_structs=131072 
node=0 entry=0/0
[    0.000000] [0000000200000000-fffff80001400000] page_structs=131072 
node=0 entry=1/0
[    0.000000] Zone PFN ranges:
[    0.000000]   Normal          0 ->    16192
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[1] active PFN ranges
[    0.000000]     0:        0 ->    16192
[    0.000000] Booting Linux...
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on. 
Total pages: 16081
[    0.000000] Kernel command line:
[    0.000000] PID hash table entries: 512 (order: 9, 4096 bytes)
[    0.000000] clocksource: mult[a0000] shift[16]
[    0.000000] clockevent: mult[19999999] shift[32]
[    7.357542] Console: colour dummy device 80x25
[    7.400290] console handover: boot [earlyprom0] -> real [tty0]

And then if I leave it another 20-30s then I get lots of console output 
followed by eventually:

[   29.264039] Console: switching to mono PROM 128x96
[   42.284272] [drm] Initialized drm 1.1.0 20060810
[   42.349671] su: probe of ffe2d760 failed with error -12
[   42.452645] brd: module loaded
[   42.514544] loop: module loaded
[   42.563405] Uniform Multi-Platform E-IDE driver
[   42.624159] ide: Assuming 33MHz system bus speed for PIO modes; 
override with idebus=xx
[   42.724442] mice: PS/2 mouse device common for all mice
[   42.798597] usbcore: registered new interface driver usbhid
[   42.869024] usbhid: v2.6:USB HID core driver
[   42.938149] TCP cubic registered
[   42.987376] NET: Registered protocol family 17
[   43.050789] registered taskstats version 1
[   43.109580] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)

Could it be that you're running on quite a slow machine? The fact it 
takes your kernel 40s to get where mine does in 7s seems a bit strange.

Or perhaps it could be a regression in Qemu as I haven't updated for a 
while? git log shows my last commit as being:


commit 7a9773563c99a86aec454f9e14f7a19ca1f87659
Author: Edgar E. Iglesias <edgar.iglesias at gmail.com>
Date:   Mon Feb 15 11:47:34 2010 +0100

     cris: Add v10 style interrupts.

     Signed-off-by: Edgar E. Iglesias <edgar.iglesias at gmail.com>


I'll try a git pull again and see if I get anything different.


ATB,

Mark.

-- 
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
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