Date: Mon, 24 Apr 1995 04:36:09 -0700 From: Gary Palmer (FreeBSD/ARM Team) <gpalmer@freefall.cdrom.com> To: dyson@freefall.cdrom.com Cc: current@freefall.cdrom.com Subject: mmap panics still Message-ID: <1647.798723369@freefall.cdrom.com>
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Hi Satoshi jsut tried the same program on thud, and it still panic'd the kernel, although the message was different this time. Apr 24 02:47:57 thud savecore: reboot after panic: lockholder (%d) != 0 thud# kgdb ./kernel Reading symbol data from /d/local/src/sys/compile/THUDG/kernel...done. (kgdb) core-file /var/crash/vmcore.2 IdlePTD 1df000 panic: lockholder (%d) != 0 current pcb at 1d0ad0 Reading in symbols for ../../i386/i386/machdep.c...done. (kgdb) bt #0 boot (arghowto=260) (../../i386/i386/machdep.c line 869) #1 0xf0117bc5 in panic (...) #2 0xf0101311 in db_panic (...) #3 0xf01011fa in db_command (...) #4 0xf0101379 in db_command_loop (...) #5 0xf0103e3c in db_trap (...) #6 0xf01a3d0e in kdb_trap (...) #7 0xf01ab348 in trap (...) #8 0xf01a45d1 in exception:calltrap () #9 0xf0117bbf in panic (...) #10 0xf0192686 in ufs_lock (...) #11 0xf01a214d in vnode_pager_lock (...) #12 0xf0195ee4 in vm_fault (...) #13 0xf01ab5c7 in trap_pfault (...) #14 0xf01ab2c7 in trap (...) #15 0xf01a45d1 in exception:calltrap () #16 0xf0185535 in ffs_read (...) #17 0xf01329d2 in vn_read (...) #18 0xf0118d83 in read (...) #19 0xf01abcc3 in syscall (...) Any ideas? This was with a kernel compiled AFTER John's fixes to mmap() Gary
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