I also got problem of dumping core when kernel panic. I found that when the network/physical service is down (I was debugging some nic driver), the dumpadm service got problem to be online. 'svcs -xv' shows that dumpadm has something depending on network/physical, which I'm not sure what it is.
-Evan Joachim Worringen wrote: > Greetings, > > I'm developing on a SXCE build 103 machine. Up to now, kernel dumps have > worked very reliably (have collected more than 100 already...), but > suddenly, kernel panics no longer give me a vmcore on reboot. > > While I can see on the console that the kernel is dumped to the indicatd > device, I don't have a vmcore/unix pair of files after reboot as I used > to have. savecore doesn't log any message, either. Here's my setup: > > [EMAIL PROTECTED] # dumpadm > Dump content: kernel and current process pages > Dump device: /dev/dsk/c1t0d0s4 (dedicated) > Savecore directory: /export/home/crash > Savecore enabled: yes > > /dev/dsk/c1t0d0s4 is 15G; I successfully used the swap slice before, but > tried this one to see if it fixes the problem. > > Dumping a live works fine this way: > [EMAIL PROTECTED] # savecore -Lv > dumping to /dev/dsk/c1t0d0s4, offset 65536, content: kernel + curproc > 100% done: 127094 pages dumped, compression ratio 4.35, dump succeeded > System dump time: Thu Dec 4 18:44:55 2008 > Constructing namelist /export/home/crash/unix.107 > Constructing corefile /export/home/crash/vmcore.107 > 100% done: 127094 of 127094 pages saved > > This dump is valid: > [EMAIL PROTECTED] # cd /export/home/crash/ > [EMAIL PROTECTED] # mdb 107 > mdb: failed to read panicbuf and panic_reg -- current register set will > be unavailable > Loading modules: [ unix genunix specfs dtrace cpu.generic uppc pcplusmp > scsi_vhci ufs sd ip hook neti sctp arp usba uhci fctl stmf nca lofs zfs > random sppp ptm logindmux cpc nfs fcip ipc ] > > ::status > debugging crash dump vmcore.107 (64-bit) from d0 > operating system: 5.11 volo-gate-103 (i86pc) > panic message: > dump content: kernel pages and pages from PID 100836 > > But as I said, a real kernel panic says it dumps to /dev/dsk/c1t0d0s4 as > well, but savecore doesn't do anything on reboot. > > Any idea what's wrong? I tried different kinds of panics already... > > thanks, Joachim > > _______________________________________________ opensolaris-code mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/opensolaris-code
