Date: Tue, 18 Jun 2024 21:01:56 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 279839] panic: bogus vchan_create Message-ID: <bug-279839-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D279839 Bug ID: 279839 Summary: panic: bogus vchan_create Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: dch@freebsd.org CC: christos@freebsd.org __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57 57 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (offsetof(stru= ct pcpu, (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57 #1 doadump (textdump=3Dtextdump@entry=3D0) at /usr/src/sys/kern/kern_shutdown.c:404 #2 0xffffffff8049d11a in db_dump (dummy=3D<optimized out>, dummy2=3D<optimized out>, dummy3=3D<optimized out>, dummy4=3D<optimized= out>) at /usr/src/sys/ddb/db_command.c:595 #3 0xffffffff8049cf1d in db_command (last_cmdp=3D<optimized out>, cmd_table=3D<optimized out>, dopager=3Dfalse) at /usr/src/sys/ddb/db_command.c:508 #4 0xffffffff8049d066 in db_command_script ( command=3Dcommand@entry=3D0xffffffff819c2764 <db_recursion_data+84> "du= mp") at /usr/src/sys/ddb/db_command.c:573 #5 0xffffffff804a2f18 in db_script_exec ( scriptname=3Dscriptname@entry=3D0xfffffe02e43ba5d0 "kdb.enter.panic", warnifnotfound=3Dwarnifnotfound@entry=3D0) at /usr/src/sys/ddb/db_scrip= t.c:301 #6 0xffffffff804a2e12 in db_script_kdbenter (eventname=3D<optimized out>) at /usr/src/sys/ddb/db_script.c:323 #7 0xffffffff804a0691 in db_trap (type=3D<optimized out>, code=3D<optimize= d out>) at /usr/src/sys/ddb/db_main.c:266 #8 0xffffffff80b94ebf in kdb_trap (type=3Dtype@entry=3D3, code=3Dcode@entr= y=3D0, tf=3Dtf@entry=3D0xfffffe02e43ba910) at /usr/src/sys/kern/subr_kdb.c:790 #9 0xffffffff810632c9 in trap (frame=3D0xfffffe02e43ba910) at /usr/src/sys/amd64/amd64/trap.c:606 #10 <signal handler called> #11 kdb_enter (why=3D<optimized out>, msg=3D<optimized out>) at /usr/src/sys/kern/subr_kdb.c:556 #12 0xffffffff80b455f0 in vpanic ( fmt=3D0xffffffff811ffaa0 "bogus vchan_create() request newcnt=3D%d vcnt= =3D%d", ap=3Dap@entry=3D0xfffffe02e43bab40) at /usr/src/sys/kern/kern_shutdown.= c:967 #13 0xffffffff80b45473 in panic ( fmt=3D0xffffffff81b89480 <cnputs_mtx> "yQ\024\201\377\377\377\377") at /usr/src/sys/kern/kern_shutdown.c:892 #14 0xffffffff808dce6f in vchan_setnew (d=3D<optimized out>, direction=3D1, newcnt=3D4) at /usr/src/sys/dev/sound/pcm/vchan.c:966 #15 0xffffffff808dd408 in sysctl_dev_pcm_vchans (oidp=3D0xfffff80105faca00, arg1=3D<optimized out>, arg2=3D<optimized out>, req=3D0xfffffe02e43bacc= 0) at /usr/src/sys/dev/sound/pcm/vchan.c:346 #16 0xffffffff80b5776c in sysctl_root_handler_locked ( oid=3Doid@entry=3D0xfffff80105faca00, arg1=3Darg1@entry=3D0x9, arg2=3Da= rg2@entry=3D8, req=3Dreq@entry=3D0xfffffe02e43bacc0, tracker=3Dtracker@entry=3D0xfffff= e02e43bac40) at /usr/src/sys/kern/kern_sysctl.c:199 #17 0xffffffff80b56b0e in sysctl_root (oidp=3D<optimized out>, arg1=3D0x9, arg1@entry=3D0xfffffe02e43bad80, arg2=3D8, arg2@entry=3D5, req=3Dreq@entry=3D0xfffffe02e43bacc0) at /usr/src/sys/kern/kern_sysctl.= c:2405 #18 0xffffffff80b571ca in userland_sysctl (td=3Dtd@entry=3D0xfffff802a1fb60= 00, name=3Dname@entry=3D0xfffffe02e43bad80, namelen=3D<optimized out>, old=3D<optimized out>, oldlenp=3D<optimized out>, inkernel=3Dinkernel@e= ntry=3D0, new=3D0x42a963808008, newlen=3D4, retval=3D0xfffffe02e43bade8, flags=3D= 0) at /usr/src/sys/kern/kern_sysctl.c:2562 #19 0xffffffff80b57010 in sys___sysctl (td=3D0xfffff802a1fb6000, uap=3D0xfffff802a1fb6400) at /usr/src/sys/kern/kern_sysctl.c:2435 #20 0xffffffff810646d8 in syscallenter (td=3D0xfffff802a1fb6000) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:189 #21 amd64_syscall (td=3D0xfffff802a1fb6000, traced=3D0) at /usr/src/sys/amd64/amd64/trap.c:1192 #22 <signal handler called> #23 0x0000295a9ff7809a in ?? () Backtrace stopped: Cannot access memory at address 0x295a9e6440c8 (kgdb) (END) had to unplug USB audio device to be able to boot, otherwise its repeated c= rash on restart - current built off 914c2b3314e8f6e31833e33cfdcc4843f88fe31b (June 18) - but seen since d9ab8999313845e87c67532437a0441d9cd57e72 (June 7) --=20 You are receiving this mail because: You are the assignee for the bug.=
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