The problem http://www.uwsg.iu.edu/hypermail/linux/kernel/0006.1/0841.html which was fixed in 2.2.17 still remains in 2.4.0. Here is a patch for 2.4.0 % diff -u traps.c-2.4.0-test7 traps.c --- traps.c-2.4.0-test7 Sat Aug 5 00:15:38 2000 +++ traps.c Thu Sep 21 11:51:29 2000 @@ -520,6 +520,9 @@ if (regs->eflags & VM_MASK) goto debug_vm86; + /* Save debug status register where ptrace can see it */ + tsk->thread.debugreg[6] = condition; + /* Mask out spurious TF errors due to lazy TF clearing */ if (condition & DR_STEP) { /* % -- Jim James Cownie <[EMAIL PROTECTED]> Etnus, LLC. +44 117 9071438 http://www.etnus.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
