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Kernel 2.6 based: October 2005 stream
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linux-2.6.16-s390-03-october2005.tar.gz
/ MD5 ... accumulated patch, recommended (2006-05-19)
linux-2.6.16-s390-03-october2005-patches.tar.gz
/ MD5 ... per problem patches, recommended (2006-05-19)
These patches contain the following linux kernel bug fixes:
| Description: |
kernel: Modular 3270 driver does not work. |
| Symptom: |
3270 devices under 64 bit can not be set online. |
| Problem: |
If the 3270 device driver is built as a module and the memory
layout is configured in a way that make modules to get loaded
above 2GB, 3270 devices can not be set online. The reason is
that the static module variables raw3270_init_data and
raw3270_init_request are located above 2GB which causes the
initial I/O to the device to fail. |
| Solution: |
Allocate the init_request and the init_data with the raw3270
structure for the device and change the allocation to request
GFP_DMA memory. |
| Problem-ID: |
23147 |
| Note: |
applicable for 64-bit Linux, only |
| Description: |
kernel: Software watchdog crashes. |
| Symptom: |
If the software watchdog timer expires the machine panics
instead of doing a restart. |
| Problem: |
The software watchdog calls machine_restart from its timer
interrupt function. machine_restart calls console_unblank
which checks for interrupt context and triggers a BUG()
if the code is in interrupt context. |
| Solution: |
Avoid the call to console_unblank in machine_restart if
the function has been called in interrupt context and
oops_in_progress is not set. |
| Problem-ID: |
22671 |
| Description: |
kernel: Too many IPD machine checks allowed. |
| Symptom: |
CPU check stop in case of multiple IPD machine checks. |
| Problem: |
MAX_IPD_TIME is by a factor of ten too small. This means that ten
times more instruction processing damage machine checks would be
allowed in the intended time frame. This could result in a CPU
check stop of a physical CPU. |
| Solution: |
Fix value of MAX_IPD_TIME. |
| Problem-ID: |
- |
| Description: |
lcs: Unpredictable results after cable pull/plug-in. |
| Symptom: |
Device not operational anymore after cable pull/plug-in.
Unpredictable results occured, e.g. kernel panic
using cards of type QD8F. |
| Problem: |
Stoplan command and delete multicast address command
were not proper recognized by OSA card
under heavy network workload.
Channel/device error checks missing in interrupt handler. |
| Solution: |
Missing error checks in interrupt handler added.
LCS device recovery improved. Schedule recovery
on card's problems or cable plug-in. |
| Problem-ID: |
17213 |
Everybody should apply this patch.
To create the complete linux kernel sources, the following
patches need to be applied in sequence:
linux-2.6.16.tar.gz (from http://www.kernel.org/pub/linux/kernel/v2.6)
+ linux-2.6.16-s390-base-october2005.diff (IBM)
+ linux-2.6.16-s390-01-october2005.diff (IBM)
+ linux-2.6.16-s390-02-october2005.diff (IBM)
+ linux-2.6.16-s390-03-october2005.diff (IBM)
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