Hello, I'm running debian stable on a Sun Ultra 5. Everything is running fine, but if I do a simple `cat /dev/fb0' I get an kernel oops.
This happens with the debian kernel 2.4.18, and the same with 2.6.1. Any ideas what is going on? Or should I report this at http://bugzilla.kernel.org/? Sean PROMLIB: Sun IEEE Boot Prom 3.15.2 1998/11/10 10:35 Linux version 2.4.18 ([EMAIL PROTECTED]) (gcc version egcs-2.92.11 19980921 (gcc2 ss-980609 experimental)) #2 Thu Apr 11 14:37:17 EDT 2002 ARCH: SUN4U Ethernet address: 08:00:20:a2:72:61 On node 0 totalpages: 32253 zone(0): 32678 pages. zone(1): 0 pages. zone(2): 0 pages. Found CPU 0 (node=f006d088,mid=0) Found 1 CPU prom device tree node(s). Kernel command line: root=/dev/hda2 Console: colour dummy device 80x25 Calibrating delay loop... 665.19 BogoMIPS Memory: 253880k available (1944k kernel code, 512k data, 168k init) [fffff80000000000,000000001ff4c000] Dentry-cache hash table entries: 32768 (order: 6, 524288 bytes) Inode-cache hash table entries: 16384 (order: 5, 262144 bytes) Mount-cache hash table entries: 4096 (order: 3, 65536 bytes) Buffer-cache hash table entries: 8192 (order: 3, 65536 bytes) Page-cache hash table entries: 32768 (order: 5, 262144 bytes) POSIX conformance testing by UNIFIX PCI: Probing for controllers. PCI: Found SABRE, main regs at 000001fe00000000, wsync at 000001fe00001c20 SABRE: Shared PCI config space at 000001fe01000000 SABRE: DVMA at c0000000 [20000000] PCI0(PBMA): Bus running at 33MHz PCI0(PBMB): Bus running at 33MHz ebus0: [auxio] [power] [SUNW,pll] [se] [su] [su] [ecpp] [fdthree] [eeprom] [flashprom] [SUNW,CS4231] PCIO serial driver version 1.54 su(mouse) at 0x1fff13062f8 (irq = 4,7ea) is a 16550A Sun Mouse-Systems mouse driver version 1.00 su(kbd) at 0x1fff13083f8 (irq = 9,7e9) is a 16550A Sun TYPE 5 keyboard detected without keyclick SAB82532 serial driver version 1.65 ttyS00 at 0x1fff1400000 (irq = 12,7eb) is a SAB82532 V3.2 ttyS01 at 0x1fff1400040 (irq = 12,7eb) is a SAB82532 V3.2 power: Control reg at 000001fff1724000 ... powerd running. Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket Starting kswapd Journalled Block Device driver loaded atyfb: 3D RAGE PRO (PQFP, PCI) [0x4750 rev 0x7c] 4M SGRAM, 14.31818 MHz XTAL, 230 MHz PLL, 100 Mhz MCLK Console: switching to colour frame buffer device 160x64 fb0: ATY Mach64 frame buffer device on PCI pty: 256 Unix98 ptys configured rtc_init: no PC rtc found block: 128 slots per queue, batch=32 RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize Uniform Multi-Platform E-IDE driver Revision: 6.31 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx CMD646: IDE controller on PCI bus 01 dev 18 CMD646: chipset revision 3 CMD646: chipset revision 0x03, MultiWord DMA Force Limited CMD646: 100% native mode on irq 4,7e0 ide0: BM-DMA at 0x1fe02c00020-0x1fe02c00027, BIOS settings: hda:pio, hdb:pio ide1: BM-DMA at 0x1fe02c00028-0x1fe02c0002f, BIOS settings: hdc:pio, hdd:pio hda: Maxtor 6Y120P0, ATA DISK drive ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx hdc: CRD-8322B, ATAPI CD/DVD-ROM drive ide0 at 0x1fe02c00000-0x1fe02c00007,0x1fe02c0000a on irq 4,7e0 ide1 at 0x1fe02c00010-0x1fe02c00017,0x1fe02c0001a on irq 4,7e0 (shared with ide0) hda: 240121728 sectors (122942 MB) w/7936KiB Cache, CHS=238216/16/63, (U)DMA hdc: ATAPI 32X CD-ROM drive, 128kB Cache Uniform CD-ROM driver Revision: 3.12 Partition check: hda: hda1 hda2 hda3 hda4 Floppy drive(s): fd0 is 1.44M FDC 0 is a National Semiconductor PC87306 loop: loaded (max 8 devices) sunhme.c:v1.99 12/Sep/99 David S. Miller ([email protected]) eth0: HAPPY MEAL (PCI/CheerIO) 10/100BaseT Ethernet 08:00:20:a2:72:61 SCSI subsystem driver Revision: 1.00 usb.c: registered new driver usbdevfs usb.c: registered new driver hub usb-ohci.c: USB OHCI at membase 0x1ff00002000, IRQ 10,7d0 usb-ohci.c: usb-02:01.0, PCI device 1095:0670 usb.c: new USB bus registered, assigned bus number 1 hub.c: USB hub found hub.c: 2 ports detected usb.c: registered new driver keyboard usbkbd.c: :USB HID Boot Protocol keyboard driver mice: PS/2 mouse device common for all mice NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP IP: routing cache hash table of 2048 buckets, 32Kbytes TCP: Hash tables configured (established 16384 bind 16384) NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with ordered data mode. VFS: Mounted root (ext3 filesystem) readonly. Adding Swap: 1048808k swap-space (priority -1) EXT3 FS 2.4-0.9.17, 10 Jan 2002 on ide0(3,2), internal journal sys32_ioctl(hwclock:34): Unknown cmd fd(3) cmd(00004b50) arg(effff910) sys32_ioctl(hwclock:35): Unknown cmd fd(3) cmd(00004b50) arg(effff910) kjournald starting. Commit interval 5 seconds EXT3 FS 2.4-0.9.17, 10 Jan 2002 on ide0(3,4), internal journal EXT3-fs: mounted filesystem with ordered data mode. sys32_ioctl(hwclock:113): Unknown cmd fd(3) cmd(00004b50) arg(effff910) eth0: Link is up using internal transceiver at 100Mb/s, Full Duplex. Warning: Remapping obsolete /dev/fb* minor 32 to 1 Warning: Remapping obsolete /dev/fb* minor 64 to 2 Warning: Remapping obsolete /dev/fb* minor 96 to 3 Warning: Remapping obsolete /dev/fb* minor 128 to 4 Warning: Remapping obsolete /dev/fb* minor 160 to 5 Warning: Remapping obsolete /dev/fb* minor 192 to 6 Warning: Remapping obsolete /dev/fb* minor 224 to 7 OBP Flash: RD 1fff0000000[100000] WR 1fff0000000[100000] Installing knfsd (copyright (C) 1996 [EMAIL PROTECTED]). Unable to handle kernel paging request at virtual address 00000000e1800000 tsk->{mm,active_mm}->context = 0000000000000532 tsk->{mm,active_mm}->pgd = fffff80013f2f000 \|/ ____ \|/ "@'/ .. \`@" /_| \__/ |_\ \__U_/ cat(1331): Oops TSTATE: 0000000080009601 TPC: 00000000005da400 TNPC: 00000000005da404 Y: 07000000 Not tainted g0: 00000000005f5f6c g1: 000001ffe1800000 g2: 0000000000000000 g3: fffff80012b3fdcb g4: fffff80000000000 g5: 0000000000000018 g6: fffff80012b3c000 g7: 00000000005da000 o0: 00000000000235a8 o1: 000001ffe1800000 o2: 0000000000002000 o3: 0000000000000080 o4: 0000000000000011 o5: 0000000000000000 sp: fffff80012b3f511 ret_pc: 0000000000553e48 l0: fffff80012b3fdc0 l1: 0000000000660878 l2: 0000000000000000 l3: 0000000070028b38 l4: 00000000700004b4 l5: 0000000000000000 l6: 00000000700002f4 l7: 00000000700283c8 i0: 0000000000002000 i1: 00000000000235a8 i2: fffff8001fdf6000 i3: fffff800154e0a58 i4: 0000000000553da0 i5: 0000000000000000 i6: fffff80012b3f621 i7: 0000000000465110 Caller[0000000000465110] Caller[0000000000410af4] Caller[0000000000011854] Instruction DUMP: 8a204005 8782e000 83b24300 <c9986000> 94228005 cd986008 82006008 8aa16008 87832000

