Hello, "uname -a": Linux server.localdomain 2.6.11-1.1369_FC4 #1 Thu Jun 2 22:55:56 EDT 2005 i686 i686 i386 GNU/Linux Following "modprobe initio", I found a soft lockup BUG() in syslog: Jun 9 12:41:04 server kernel: SCSI subsystem initialized Jun 9 12:41:14 server kernel: PCI: Found IRQ 9 for device 0000:00:09.0 Jun 9 12:41:14 server kernel: i91u: PCI Base=0xA400, IRQ=9, BIOS=0xFF000, SCSI ID=7 Jun 9 12:41:14 server kernel: i91u: Reset SCSI Bus ... Jun 9 12:41:14 server kernel: BUG: soft lockup detected on CPU#0! Jun 9 12:41:14 server kernel: Jun 9 12:41:14 server kernel: Pid: 4091, comm: modprobe Jun 9 12:41:14 server kernel: EIP: 0060:[<e0cbc008>] CPU: 0 Jun 9 12:41:14 server kernel: EIP is at tul_do_pause+0x8/0x12 [initio] Jun 9 12:41:14 server kernel: EFLAGS: 00000202 Not tainted (2.6.11-1.1369_FC4) Jun 9 12:41:14 server kernel: EAX: 0047a1ec EBX: 0000000a ECX: 0000a400 EDX: 0047a2cf Jun 9 12:41:14 server kernel: ESI: e0cc2600 EDI: 00000007 EBP: 0000a400 DS: 007b ES: 007b Jun 9 12:41:14 server kernel: CR0: 8005003b CR2: 00536194 CR3: 0b15c000 CR4: 000006d0 Jun 9 12:41:14 server kernel: [<e0cbc468>] tul_reset_scsi+0x45/0x57 [initio] Jun 9 12:41:14 server kernel: [<e0cbc739>] init_tulip+0x2bf/0x30b [initio] Jun 9 12:41:14 server kernel: [<e0cc02c4>] i91u_detect+0x173/0x27d [initio] Is this possibly an issue for the FC4T3 kernel in particular, or should I try a stock kernel and report this to linux-kernel? (Perhaps soft lockups not very serious at all? This is the first one I've seen, and the system seems to have recovered.) Thanks, Richard