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Kernel 2.4 based: June 2003 stream

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2003-09-18 kernel 2.4.21 bug fix patch 05 ("June 2003")

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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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