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Message-ID: <2e84de770712202349t5ab514a2w2c0f12b212e426dd@mail.gmail.com> Date: Fri, 21 Dec 2007 00:49:36 -0700 From: "Michael Heath" <mike.thomas.heath@...il.com> To: linux-kernel@...r.kernel.org Subject: Some Serial Wacom Tablet devices failing to return from Hibernate/Suspend A lot of Ubuntu users have noticed troubles with Wacom Serial Tablet devices (mainly builtin units in Toshiba tablet PCs) refusing to properly return from ACPI Suspend or Hibernate. See the bug report at: https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.22/+bug/152187 Tom Jaeger there noted that this bug seems to reside in some ACPI related IRQ handling code for such devices introduced in 2.6.21-rc4, via a patch to fix Parallel Port IRQs on resumes. You can see his whole bug report on the issue (including some tentative shot-in-the-dark patches) at http://bugzilla.kernel.org/show_bug.cgi?id=9487 This seems to be affecting a fair amount of users, and all of us active on the bug in the Ubuntu tracker aren't familiar enough with the ACPI subsystem to create a correct patch for this issue. Is anyone familiar enough with this area that they can provide some guidance on the correct way to fix this issue, beyond the quick fix Tom Jaeger posted? Michael Heath -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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