I had a double fault panic once and that was caused by a too deep stack. Can you check whether that is related?
- Cathy > Folks, > > Perhaps someone here can help me shed some light on this mystery. At > some point in one of the recent major merges with onnv, the following > very-early-in-boot crash on x86 appeared in the clearview gate. This > does not happen on SPARC, and it does not happen when this same system is > running a stock onnv nightly build from the same day. > > WARNING: kcf:compute_min_max_threads cpupart_get_cpus: failed, setting > kcf_minthreads to 1 > > panic[cpu0]/thread=fec1e260: BAD TRAP: type=8 (#df Double fault) > rp=fec22cbc addr=0 > > #df Double fault > pid=0, pc=0xfe800406, sp=0xfec36804, eflags=0x202 > cr0: 80050019<pg,wp,et,ts,pe> cr4: 98<pge,pse,de> > cr2: f000ff74cr3: 2638000 > gs: 1b0 fs: 0 es: 160 ds: 160 > edi: 0 esi: 0 ebp: 0 esp: fec22cf4 > ebx: 54 edx: d ecx: 0 eax: fec36b80 > trp: 8 err: 0 eip: fe800406 cs: 158 > efl: 202 usp: fec36804 ss: 160 > > cpu address timestamp type vc handler pc > 0 fec3965c dc0aac05a trap 8 #df cmntrap+106 > 0 fec395b4 dc0aaac6e trap e #pf mutex_owner_running+e > tss.tss_link: 0x0 > tss.tss_esp0: 0x0 > tss.tss_ss0: 0x160 > tss.tss_esp1: 0x0 > tss.tss_ss1: 0x0 > tss.tss_esp2: 0x0 > tss.tss_ss2: 0x0 > tss.tss_cr3: 0x2638000 > tss.tss_eip: 0xfe800406 > tss.tss_eflags: 0x202 > tss.tss_eax: 0xfec36b80 > tss.tss_ebx: 0x54 > tss.tss_ecx: 0xf0000000 > tss.tss_edx: 0xd > tss.tss_esp: 0xfec36804 > > fec22c0c unix:die+105 (8, fec22cbc, 0, 0) > fec22ca8 unix:trap+1357 (fec22cbc, 0, 0) > fec22cbc unix:cmntrap+10b (1b0, 0, 160, 160, 0) > > skipping system dump - no dump device configured > rebooting... > > panic[cpu0]/thread=fec1e260: BAD TRAP: type=e (#pf Page fault) > rp=fec407f8 addr=f0002707 > dump aborted: please record the above information! > rebooting... > > > The system panics with that last page fault repeatedly thereafter trying > to reboot. > > I can get the thing to break into kmdb, but I'm at a loss at this point. > The double-fault is throwing me off the scent. Any pointers out there? > > -Seb > > _________________________________ > clearview-discuss mailing list > clearview-discuss at opensolaris.org
