added Linux-acpi to cc > -----Original Message----- > From: Jeff Chua [mailto:jeff.chua.linux@xxxxxxxxx] > Sent: Monday, January 17, 2011 8:36 AM > To: Rafael J. Wysocki; Brown, Len; Jack Steiner; Linus Torvalds > Subject: Resume from Memory very slow on 2.6.37+ > > I've just tried the recent linux git pull > (e78bf5e6cbe837daa6ab628a5f679548742994d3) and suspend-to-memory > works, but resume takes a very long time (30 seconds doing nothing). > > Bisected and it says first bad commit is > ca9b600be38c73b7d25acfb8b7e4e9a9e941d881 > > commit ca9b600be38c73b7d25acfb8b7e4e9a9e941d881 > Author: Rafael J. Wysocki <rjw@xxxxxxx> > Date: Fri Jan 7 01:45:58 2011 +0100 > > ACPI / PM: Make suspend_nvs_save() use acpi_os_map_memory() > > It turns out that the NVS memory region that suspend_nvs_save() > attempts to map has been already mapped by acpi_os_map_memory(), so > suspend_nvs_save() should better use acpi_os_map_memory() for mapping > memory to avoid conflicts. > > Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> > Signed-off-by: Len Brown <len.brown@xxxxxxxxx> > > > I reverted the following commits, and system resumes without waiting ... > > commit ca9b600be38c73b7d25acfb8b7e4e9a9e941d881 > Author: Rafael J. Wysocki <rjw@xxxxxxx> > Date: Fri Jan 7 01:45:58 2011 +0100 > > ACPI / PM: Make suspend_nvs_save() use acpi_os_map_memory() > > commit 6d5bbf00d251cc73223a71422d69e069dc2e0b8d > Author: Len Brown <len.brown@xxxxxxxxx> > Date: Fri Jan 7 01:46:40 2011 +0100 > > ACPI: Use ioremap_cache() > > commit d146df18c13d16e321efa8ef9b57c95c3bec1722 > Author: Rafael J. Wysocki <rjw@xxxxxxx> > Date: Fri Jan 7 01:44:28 2011 +0100 > > ACPI / PM: Update file information and the list of includes in nvs.c > > > Notebook is Lenovo X201s. 8GB RAM. 256GB SSD. any difference if you boot with acpi_sleep=nonvs ? thanks, -Len -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
