Hello, This report is about -CURRENT (20071217). Kernel on my ASUS A7N8X motherboard (with FireWire controller) hangs after disk has been detected and GEOM_LABEL labels are probed: GEOM: new disk ad2 ad2: nVidia check1 failed ad2: Adaptec check1 failed ad2: LSI (v3) check1 failed ad2: LSI (v2) check1 failed ad2: FreeBSD check1 failed GEOM_LABEL: Label for provider ad2s2a is label/daemon.fs. GEOM_LABEL: Label for provider ad2s2b is label/daemon.swap. <hang> Sometimes, if I plug and unplug the FireWire cable (several times), boot continues. Hardware: fwohci0: <1394 Open Host Controller Interface> mem 0xe8086000-0xe80867ff,0xe8087000-0xe808703f irq 9 at device 13.0 on pci0 fwohci0: [FILTER] fwohci0: OHCI version 1.10 (ROM=0) fwohci0: No. of Isochronous channels is 4. fwohci0: EUI64 00:e0:18:00:00:6c:d5:4a fwohci0: Phy 1394a available S400, 2 ports. fwohci0: Link S400, max_rec 2048 bytes. firewire0: <IEEE1394(FireWire) bus> on fwohci0 dcons_crom0: <dcons configuration ROM> on firewire0 dcons_crom0: bus_addr 0xbf6460 fwe0: <Ethernet over FireWire> on firewire0 if_fwe0: Fake Ethernet address: 02:e0:18:6c:d5:4a fwe0: Ethernet address: 02:e0:18:6c:d5:4a fwip0: <IP over FireWire> on firewire0 fwip0: Firewire address: 00:e0:18:00:00:6c:d5:4a _at_ 0xfffe00000000, S400, maxrec 2048 sbp0: <SBP-2/SCSI over FireWire> on firewire0 fwohci0: Initiate bus reset fwohci0: BUS reset fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode After reboot, I jumped to the debugger, set firewire_debug = 1 and this time I saw a huge number of messages coming from: static void fw_explore(struct firewire_comm *fc): Citation of firewire.c: [cut] for (node = 0; node <= fc->max_node; node ++) { /* We don't probe myself and linkdown nodes */ if (node == fc->nodeid) continue; fwsid = fw_find_self_id(fc, node); if (!fwsid || !fwsid->p0.link_active) { if (firewire_debug) printf("node%d: link down\n", node); continue; } nodes[todo++] = node; } [cut] It's iterating infinitely on my system. I set some breakpoints and: db> c node258: link down [thread pid 19 tid 100030 ] Breakpoint at fw_bus_probe_thread+304: addl $1,4294966116(%ebp) db> step [thread pid 19 tid 100030 ] Stopped at fw_bus_probe_thread+311: movl 4294966116(%ebp),%ecx db> step [thread pid 19 tid 100030 ] Stopped at fw_bus_probe_thread+317: movl 4294966104(%ebp),%eax db> step [thread pid 19 tid 100030 ] Stopped at fw_bus_probe_thread+323: cmpl %ecx,32(%eax) db> step [thread pid 19 tid 100030 ] Stopped at fw_bus_probe_thread+326: jnb fw_bus_probe_thread+192 db> p/x $eax c2eda000 <- fc db> p/x $eax+32 c2eda020 <- fc->max_node db> p/x *0xc2eda020 ffffffff <- it looks like it's wrong db> p/x $ecx 103 db> p/d $ecx <- it's "node" it that context. 259 -- Wojciech A. Koszek wkoszek_at_FreeBSD.org http://FreeBSD.czest.pl/dunstan/Received on Wed Dec 19 2007 - 01:01:12 UTC
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