[Bugme-new] [Bug 16579] New: ahci.skip_host_reset=1 do not work anymore starting from 2.6.35 (regression)
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Fri Aug 13 02:19:40 PDT 2010
https://bugzilla.kernel.org/show_bug.cgi?id=16579
Summary: ahci.skip_host_reset=1 do not work anymore starting
from 2.6.35 (regression)
Product: Drivers
Version: 2.5
Kernel Version: 2.6.35
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: blocking
Priority: P1
Component: Other
AssignedTo: drivers_other at kernel-bugs.osdl.org
ReportedBy: harbour at sfinx.od.ua
Regression: No
Hi,
After switching to 2.6.35 the kernel command option ahci.skip_host_reset do not
work. I have Acer Ferrari 1100 laptop that unlock the password protected HDD by
the BIOS password entering system. So this option prevent kernel from resetting
the HDD, so it can mount the rootfs. But starting from 2.6.35 the kernel resets
HDD, so as it is became password protected again no rootfs can be mounted, so
kernel panics while trying to mount the rootfs. Switching back to 2.6.34 or
removing the password from HDD lets to normal boot again.
Can supply any additional info.
P.S. The laptop do not have the serial port, so serial console is not
available.
Rus
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