Messages in this thread | | | Date | Sat, 30 May 1998 16:06:20 -0400 | From | mlord <> | Subject | Re: Confirmation; Severe ext2fs Corruption in 2.1.98 |
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Richard B. Johnson wrote: ... > found that a bad inode entry, that attempts to access beyond the physical > media, does not seem to be limit-checked anywhere. Therefore, with SCSI, > the driver will fail <forever> as it keeps getting errors from the drive, > keeps resetting the bus, card, driver, etc., then tries to access beyond > the drive again and again and again. Boot-switch time. > > Now, with IDE, since the head/cylinder/sector translation is virtual and > cheap, they will wrap the drive. In other words, warp past some max and > back up through zero. The result is the access doesn't fail! Instead, > you eventually write something where it shouldn't be. > > I think that some code somewhere should really check access limits.
Errr... there is code in ll_rw_block.c to check against access limits.
I have never heard of an "IDE wrap around" rumour before. -- mlord@pobox.com The Linux IDE guy
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