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Description of problem:
The pdc202xx_old driver severly corrupts data on any device off a
pdc20265 controller that needs LBA58 adressing on channel 0, and
possibly on other devices on channel 1 because of unconditionally
disabling LBA48 addressing on channel 0 and unconditionally enabling
LBA48 addressing on channel 1 of any PDC20265 controller found in
the system. (Just compare the "address" line in
/proc/ide/ide?/hd?/settings for a large disk on channel 0 and
channel 1 of the same PDC20265 controller.
Version-Release number of selected component (if applicable):
Any kernel before 2.4.23
Steps to Reproduce:
1. connect a HD >137GB to channel 0
2. make at least 2 filesystems one at the beginning and one crossing
or after the 137GB mark.
3. mount filesystems and start copying data to the high one.
4. watch it shred the other filesystem.
Actual Results: severe filesystem corruption
Expected Results: no corruption at all
See http://testing.lkml.org/slashdot.php?mid=330272 for discussion
of this bug on LKML.
Created attachment 96717 [details]
Fix for pdc202xx_old.c data corruption issue
Thanks for the bug report. However, Red Hat no longer maintains this version of
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The Fedora Legacy project (http://fedoralegacy.org/) maintains some older releases,
and if you believe this bug is interesting to them, please report the problem in
the bug tracker at: http://bugzilla.fedora.us/