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)

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