I've the same problem with an AMD/nforce2 on a german STRATO rootserver (sarge testing).
Linux version 2.6.17-2-k7 (Debian 2.6.17-9) ([EMAIL PROTECTED]) (gcc version 4.1.2 20060901 (prerelease) (Debian 4.1.1-13)) #1 SMP Wed Sep 13 17:18:46 UTC 2006 ... BUG: unable to handle kernel NULL pointer dereference at virtual address 0000000c printing eip: b0202352 *pde = 00000000 Oops: 0000 [#1] SMP Modules linked in: i2c_nforce2 psmouse evdev i2c_core serio_raw pcspkr ohci_hcd tg3 ehci_hcd 8250_pnp usbcore rtc ext3 jbd mbcache ide_disk ide_generic via82cxxx trm290 triflex slc90e66 sis5513 siimage serverworks sc1200 rz1000 piix pdc202xx_old opti621 ns87415 it821x hpt366 hpt34x generic cy82c693 cs5535 cs5530 cs5520 cmd64x atiixp amd74xx alim15x3 aec62xx pdc202xx_new ide_core raid1 md_mod CPU: 0 EIP: 0060:[<b0202352>] Not tainted VLI EFLAGS: 00010206 (2.6.17-2-k7 #1) EIP is at uart_write_room+0x9/0x16 eax: b1bf3800 ebx: 00000006 ecx: efb26540 edx: 00000000 esi: ef6b3000 edi: ef0e6400 ebp: 00000006 esp: efaf1f18 ds: 007b es: 007b ss: 0068 Process S03udev (pid: 1058, threadinfo=efaf0000 task=efb26540) Stack: b01f6591 ef0e6400 ef55ca40 00000282 00000000 efb26540 b0116fb2 ef6b3138 ef6b3138 00000006 ef6b3000 00000006 00000006 b01f41ed 00000006 080f6408 ef55ca40 b01f64b0 ef6b300c ef6b33e8 00000000 b01f4a62 ef55ca40 ef55ca40 Call Trace: <b01f6591> write_chan+0xe1/0x293 <b0116fb2> default_wake_function+0x0/0xc <b01f41ed> tty_write+0x147/0x1d8 <b01f64b0> write_chan+0x0/0x293 <b01f4a62> redirected_tty_write+0x1c/0x6b <b01f4a46> redirected_tty_write+0x0/0x6b <b0153770> vfs_write+0xa1/0x140 <b0153d5a> sys_write+0x3c/0x63 <b0102b5b> syscall_call+0x7/0xb Code: 09 08 8b 40 10 74 09 81 60 10 ff ff ff fd eb 07 81 48 10 00 00 00 02 8b 5e 68 89 f0 ff 53 2c 5b 5e c3 8b 80 80 01 00 00 8b 50 10 <8b> 42 0c 2b 42 08 48 25 ff 0f 00 00 c3 8b 80 80 01 00 00 8b 50 EIP: [<b0202352>] uart_write_room+0x9/0x16 SS:ESP 0068:efaf1f18