Public bug reported:
Binary package hint: linux-source-2.6.22
On a Toshiba M200 Tablet PC, the integrated serial-line Wacom tablet
interface locks up under the 2.6.22 kernel on Gutsy when returning from
a suspend or hibernate.
I have verified that the serial settings the device file (ttyS0) are
exactly as they were before reboot; the interface is mapped to the same
location, same IRQ, and uart. The /sys filesystem reports in it's pnp
information that the device is at the same location as it was before
suspend. However, attempting to access the /dev/ttyS0 device causes the
kernel to return a LSR Safety Check Engaged message.
** Affects: linux-source-2.6.22 (Ubuntu)
Importance: Undecided
Status: New
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Serial Wacom tablet fails to return from ACPI suspend to RAM
https://bugs.launchpad.net/bugs/152187
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