Kernel 2.4 based: June 2003 stream

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linux-2.4.21-s390-05-june2003.tar.gz / MD5 ... accumulated patch, recommended (2003-09-18)

linux-2.4.21-s390-05-june2003-patches.tar.gz / MD5 ... per-problem-patches, recommended (2003-09-18)

These patches contain the following linux kernel bug fixes:

Description:	Oops in iucv code
Symptom:	Crash with kernel oops when shutting down an iucv connection
Problem:	Interrupt buffer was released too early
Solution:	Moved call of iucv_retrieve_buffer() into iucv_exit()
Problem-ID:	3314

Description:	Removing tape modules results in segmentation fault.
Symptom:	Removal of tape390 module hits BUG() statement in tape_devmap.c.
Problem:	Failed tape_enable_device() does incomplete rollback, leaving stale devmap entries.
Solution:	Failed tape_enable_device() removes devmap pointer as well.
Problem-ID:	4347

Description:	ctc: loglevel parameter could not be set to maximum
Symptom:	Numbers with more than 1 digit are ignored when writing to /proc/net/ctc/ctc0/loglevel
Problem:	Check for maximum string length was wrong.
Solution:	Corrected check for maximum string length.
Problem-ID:	4342

Description:	dasd: erroneous message about failing dasd format
Symptom:	When hitting CTRL-S/CTRL-Q during a dasd format /var/log/messages shows a message like: dasd: /dev/dasdv ( 94: 84),4324@1a42: Formatting of unit 1420 failed with rc = -512
Problem:	Erroneous message about failing dasd format
Solution:	Suppress message when return code of dasd_sleep_on_request returns -ERESTARTSYS.
Problem-ID:	3847

Description:	portname not needed message removed
Symptom:	on older OSA code, "portname not needed" message appears
Problem:	OSA returns some bits incorrectly
Solution:	don't show message for OSA devices
Problem-ID:	4382

Description:	reduce stack usage
Symptom:	symlink loops on NFS share causes oops
Problem:	stack overflow
Solution:	reduce stack usage by inlining some functions and check for stack usage
Problem-ID:	3344

Description:	tape: Missing check for invalid block size.
Symptom:	Using block size >64K triggers kernel bug.
Problem:	Channel programs without data chaining can only handle <64K data.
Solution:	Check block sizes set by SETBLK and used with auto block size.
Problem-ID:	4347

Everybody should apply this patch.

To create the complete linux kernel sources, the following patches need to be applied in sequence:

linux-2.4.21.tar.gz (see www.kernel.org)
+ linux-2.4.21-s390-june2003.diff (IBM)
+ linux-2.4.21-s390-01-june2003.diff (IBM)
+ linux-2.4.21-s390-02-june2003.diff (IBM)
+ linux-2.4.21-s390-03-june2003.diff (IBM)
+ linux-2.4.21-s390-04-june2003.diff (IBM)
+ linux-2.4.21-s390-05-june2003.diff (IBM)

Note: If On-demand timer is required, apply as last patch:
+ linux-2.4.21-s390-timer-01-june2003.diff (IBM)