If I mount a W2K drive on my rh9.0 box (running the 2.4.20-8 kernel), and attempt to copy a large number of files from the W2K to the linux, the keyboard on the server hangs. An excerpt from messages is below (dhcp and samba drop about 600M/ week into this file). There are a number of similar such records in the file. I did _not_ experience this problem until I upgraded from 3.0.2a to 3.0.9 last weekend (15 Jan 2005) Other users on http://www.fedoraforum.org/forum/archive/index.php/t-2687.html have reported a similar problem. They identified it as originating with a race condition with something called nautilus, but I do not knowingly run nautilus (it does not appear on a ps, chkconfig, or the like). ------ typical extract from /var/log/messages ---------- Jan 19 09:31:10 hpfileserver kernel: smb_lookup: find data/02-2204 failed, error=-5 Jan 19 09:31:10 hpfileserver last message repeated 2 times Jan 19 09:31:10 hpfileserver kernel: smb_lookup: find data/02-6335 failed, error=-5 Jan 19 09:31:10 hpfileserver last message repeated 29 times Jan 19 09:31:10 hpfileserver kernel: smb_lookup: find data/03-0326 failed, error=-5 Jan 19 09:31:10 hpfileserver last message repeated 2 times Jan 19 09:31:10 hpfileserver kernel: smb_lookup: find data/02-6335 failed, error=-5 Jan 19 09:31:10 hpfileserver last message repeated 32 times Jan 19 09:31:10 hpfileserver kernel: smb_lookup: find data/0400268 failed, error=-5 Jan 19 09:31:10 hpfileserver last message repeated 2 times Jan 19 09:31:10 hpfileserver kernel: smb_lookup: find data/0402452 failed, error=-5 Jan 19 09:31:10 hpfileserver last message repeated 2 times Jan 19 09:31:10 hpfileserver kernel: smb_lookup: find data/02-6335 failed, error=-5 Jan 19 09:31:10 hpfileserver last message repeated 50 times Jan 19 09:31:10 hpfileserver kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004 Jan 19 09:31:10 hpfileserver kernel: printing eip: Jan 19 09:31:10 hpfileserver kernel: f6375839 Jan 19 09:31:10 hpfileserver kernel: *pde = 00000000 Jan 19 09:31:10 hpfileserver kernel: Oops: 0000 Jan 19 09:31:10 hpfileserver kernel: smbfs parport_pc lp parport nfsd lockd sunrpc iptable_filter ip_tables autofs tg3 microcode st raid5 xor keybdev mousedev hid input usb-ohci usbcore ext3 jbd Jan 19 09:31:10 hpfileserver kernel: CPU: 0 Jan 19 09:31:10 hpfileserver kernel: EIP: 0060:[<f6375839>] Not tainted Jan 19 09:31:10 hpfileserver kernel: EFLAGS: 00010282 Jan 19 09:31:10 hpfileserver kernel: Jan 19 09:31:10 hpfileserver kernel: EIP is at ___strtok_R29805c13 [] 0x35f9a73d (2.4.20-8) Jan 19 09:31:10 hpfileserver kernel: eax: bfffe654 ebx: efde4000 ecx: 00000000 edx: 00000000 Jan 19 09:31:10 hpfileserver kernel: esi: c0109537 edi: 0000000b ebp: efde5fb8 esp: efde5f70 Jan 19 09:31:10 hpfileserver kernel: ds: 0068 es: 0068 ss: 0068 Jan 19 09:31:10 hpfileserver kernel: Process sendmail (pid: 4811, stackpage=efde5000) Jan 19 09:31:10 hpfileserver kernel: Stack: ffffffff 00000006 00000010 f6426000 00000000 bfffffe9 f6426000 00000292 Jan 19 09:31:10 hpfileserver kernel: f6426000 00000292 c36b1100 bfffe654 00000000 c0107c25 c36b1100 efde4000 Jan 19 09:31:10 hpfileserver kernel: c0109537 0000000b bfffde78 f6375a45 00000000 00000000 00000000 00000000 Jan 19 09:31:10 hpfileserver kernel: Call Trace: [<c0107c25>] sys_execve [kernel] 0x75 (0xefde5fa4)) Jan 19 09:31:10 hpfileserver kernel: [<c0109537>] system_call [kernel] 0x33 (0xefde5fb0)) Jan 19 09:31:10 hpfileserver kernel: Jan 19 09:31:10 hpfileserver kernel: Jan 19 09:31:10 hpfileserver kernel: Code: 8b 42 04 83 f8 ff c7 45 f0 20 00 00 00 c7 45 ec 3a 0a 00 00 Jan 19 09:31:10 hpfileserver kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000004 Jan 19 09:31:10 hpfileserver kernel: printing eip: Jan 19 09:31:10 hpfileserver kernel: f6375839 Jan 19 09:31:10 hpfileserver kernel: *pde = 00000000
if the kernel crashes, this is a kernel bug.