Issue #2649 has been updated by profmakx. Status changed from Feedback to Closed
This is now #2707. ---------------------------------------- Bug #2649: Panic after loading i915kms http://bugs.dragonflybsd.org/issues/2649#change-12191 * Author: masterblaster * Status: Closed * Priority: Normal * Assignee: * Category: * Target version: ---------------------------------------- on x86_64, v3.7.1.742.gc2d9fe-DEVELOPMENT, onboard D510 intel vga Xorg starts successfully, i915kms loaded, no errors after a short random amount of time system panics; it seems a node on the callwheel gets corrupted(see kgdb trace below; please ignore the warning, corefile was analyzed on another machine); system runs stable without i915 kms core pack on leaf:~randy/crash/crash.1.txz (kgdb) where #0 _get_mycpu () at ./machine/thread.h:69 #1 md_dumpsys (di=di@entry=0xffffffff80a0a620 <dumper>) at /usr/src/sys/platform/pc64/x86_64/dump_machdep.c:265 #2 0xffffffff802c216c in dumpsys () at /usr/src/sys/kern/kern_shutdown.c:912 #3 0xffffffff802c2639 in boot (howto=howto@entry=260) at /usr/src/sys/kern/kern_shutdown.c:369 #4 0xffffffff802c2931 in panic (fmt=fmt@entry=0xffffffff8054854b "%s") at /usr/src/sys/kern/kern_shutdown.c:818 #5 0xffffffff804f81ea in trap_fatal (frame=frame@entry=0xffffffe02c863968, eva=<optimized out>) at /usr/src/sys/platform/pc64/x86_64/trap.c:1034 #6 0xffffffff804f83e9 in trap_pfault (frame=frame@entry=0xffffffe02c863968, usermode=usermode@entry=0) at /usr/src/sys/platform/pc64/x86_64/trap.c:934 #7 0xffffffff804f89c1 in trap (frame=0xffffffe02c863968) at /usr/src/sys/platform/pc64/x86_64/trap.c:610 #8 0xffffffff804e1f5f in calltrap () at /usr/src/sys/platform/pc64/x86_64/exception.S:188 #9 0xffffffff802e6014 in softclock_handler (arg=0xffffffff80ad9e80 <softclock_pcpu_ary+4032>) at /usr/src/sys/kern/kern_timeout.c:274 #10 0xffffffff802d3b37 in lwkt_deschedule_self (td=<optimized out>) at /usr/src/sys/kern/lwkt_thread.c:325 #11 0x0000000000000000 in ?? () (kgdb) f 9 #9 0xffffffff802e6014 in softclock_handler (arg=0xffffffff80ad9e80 <softclock_pcpu_ary+4032>) at /usr/src/sys/kern/kern_timeout.c:274 warning: Source file is more recent than executable. 274 if (c->c_time != sc->softticks) { (kgdb) p c $1 = (struct callout *) 0x1 (kgdb) l 269 loop: 270 while (sc->softticks != (int)(sc->curticks + 1)) { 271 bucket = &sc->callwheel[sc->softticks & callwheelmask]; 272 273 for (c = TAILQ_FIRST(bucket); c; c = sc->next) { 274 if (c->c_time != sc->softticks) { 275 sc->next = TAILQ_NEXT(c, c_links.tqe); 276 continue; 277 } 278 if (c->c_flags & CALLOUT_MPSAFE) { (kgdb) p *bucket $2 = {tqh_first = 0x1, tqh_last = 0xffffffe02c808000} (kgdb) p bucket $3 = (struct callout_tailq *) 0xffffffe02c808000 (kgdb) -- You have received this notification because you have either subscribed to it, or are involved in it. To change your notification preferences, please click here: http://bugs.dragonflybsd.org/my/account