Re: 2.6.11-rc4-mm1 - pcmcia weirdness/breakage

From: Dominik Brodowski
Date: Mon Feb 28 2005 - 15:24:41 EST


On Mon, Feb 28, 2005 at 02:48:20PM -0500, Valdis.Kletnieks@xxxxxx wrote:
> Symptoms: Running '/etc/init.d/pcmcia start' bombs - cardmgr goes into
> a loop spewing repeated 'Common memory region at 0x0: Generic or SRAM'
> messages. In the dmesg, we find:
>
> [4294764.989000] <6>cs: IO port probe 0xc00-0xcff: clean.
> [4294859.195000] cs: IO port probe 0xc00-0xcff: clean.
> [4294859.195000] cs: IO port probe 0xc00-0xcff: clean.
> [4294859.199000] cs: IO port probe 0x100-0x4ff: excluding 0x170-0x177 0x370-0x37f
> [4294859.202000] cs: IO port probe 0x100-0x4ff: excluding 0x170-0x177 0x370-0x37f
> [4294859.205000] cs: IO port probe 0x100-0x4ff: excluding 0x170-0x177 0x370-0x37f
> [4294859.207000] cs: IO port probe 0xa00-0xaff: clean.
> [4294859.208000] cs: IO port probe 0xa00-0xaff: clean.
> [4294859.209000] cs: IO port probe 0xa00-0xaff: clean.
> [4294859.369000] cs: unable to map card memory!
> [4294859.369000] cs: unable to map card memory!
>
> Now the odd part:
>
> 2.6.11-rc4 works, doesn't show the last 2 'unable to map' messages.
> 2.6.11-rc4 + linus.patch from -rc4-mm1 works as well - so it's a -mm patch doing it.
>
> A full -rc4-mm1 fails, *as does* a -rc4-mm1 with all the following patches -R'ed:
>
> broken-out/fix-u32-vs-pm_message_t-confusion-in-pcmcia.patch
> broken-out/pcmcia-add-pcmcia-devices-autonomously.patch
> broken-out/pcmcia-bridge-resource-management-fix.patch
> broken-out/pcmcia-determine-some-useful-information-about-devices.patch
> broken-out/pcmcia-mark-resource-setup-as-done.patch
> broken-out/pcmcia-pcmcia_device_add.patch
> broken-out/pcmcia-pcmcia_device_probe.patch
> broken-out/pcmcia-pcmcia_device_remove.patch
> broken-out/pcmcia-pd6729-convert-to-pci_register_driver.patch
> broken-out/pcmcia-per-device-sysfs-output.patch
> broken-out/pcmcia-rsrc_nonstatic-sysfs-input.patch
> broken-out/pcmcia-rsrc_nonstatic-sysfs-output.patch
> broken-out/pcmcia-update-vrc4171_card.patch
> broken-out/pcmcia-use-bus_rescan_devices.patch
> broken-out/pcmcia-yenta_socket-ti4150-support.patch
>
> So the breakage is in *some other* -rc4-mm1 patch. Any hints to speed up
> the binary search?

Most likely it's
pcmcia-bridge-resource-management-fix.patch

Dominik
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