Patch-ID# 102121-06 Keywords: stc hangs spiftest mutex write parallel DTR serial stc_ioctl SS20M502 Synopsis: SunOS 5.4: fixes to stc driver Date: Mar/31/99 Solaris Release: 2.4 SunOS Release: 5.4 Unbundled Product: Unbundled Release: Topic: SunOS 5.4: fixes to stc driver BugId's fixed with this patch: 1161756 1163006 1166444 1178079 1178140 1186263 1188734 1189635 1195700 1256257 Changes incorporated in this version: 1256257 Relevant Architectures: sparc Patches accumulated and obsoleted by this patch: Patches which conflict with this patch: Patches required with this patch: Obsoleted by: Files included with this patch: /kernel/drv/stc Problem Description: 1256257 When using bidirectional portmonitor, DTR does not drop properly. and (from 102121-05) 1188734 stc: System goes to hard hang on SS20M502 (from 102121-04) 1195700 stc: Need to setup SPC serial ports in /kernel/drv/options.conf as we do for tty (from 102121-03) 1186263 stc: Panic Memory address alignment in stc_ioctl 1189635 DTR only drops for a very short time when used as a bidirectional modem port. (from 102121-02) 1178140 The temporary stc patch T101398-03 introduces a flow control problem on serial 1178079 DTR broken under Solaris 2.4 using spif cards and modems (from 102121-01) 1161756 ESC-kernel stc driver hangs system as it holds mutex while doing cv_broadcast 1166444 spiftest: Data fault kernel write fault at addr=0x0, pme=0x0 1163006 write()s to SPC parallel ports do not wake-up unless the SLCT line is toggled. Eliminates several parallel and serial port hang and panic issues 1163006 - write()s to SPC parallel ports do not wake-up unless the SLCT line is toggled. 1161756 - kernel stc driver hangs the system as it holds mutex while doing cv_broadcast 1166444 - spiftest: Data fault kernel write fault at addr=0x0, pme=0x0 Patch Installation Instructions: -------------------------------- Refer to the Install.info file within the patch for instructions on using the generic 'installpatch' and 'backoutpatch' scripts provided with each patch. Any other special or non-generic installation instructions should be described below. Special Install Instructions: ----------------------------- Reboot after patch installation.