Bug 133249

Summary:	PCMCIA - Acer TravelMate 8100 - SUSE LINUX Boot DVD 10.0 oopses in yenta PCMCIA driver
Product:	[openSUSE] SUSE LINUX 10.0	Reporter:	Jaroslav Kysela <perex>
Component:	Kernel	Assignee:	Jaroslav Kysela <perex>
Status:	RESOLVED FIXED	QA Contact:	E-mail List <qa-bugs>
Severity:	Normal
Priority:	P5 - None
Version:	Final
Target Milestone:	---
Hardware:	i686
OS:	Other
Whiteboard:
Found By:	Development	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---
Attachments:	PCI subordinate initialization fix from the 2.6 mainstream Prevent Yenta pcmcia driver to hang machine when subordinate for the PCI device is NULL 57055: Prevent Yenta pcmcia driver to hang machine when subordinate for the PCI device is NULL v2

Description Jaroslav Kysela 2005-11-10 13:41:36 UTC

SUSE LINUX Boot DVD 10.0 oopses in yenta PCMCIA driver on Acer TravelMate 8100 notebook. I will try to collect more information - the crash is caused in yenta_config_init+0x87/0x100 code. 10.0 cannot be installed, becuase the kernel hangs when next module (ahci) is loaded, of course.

Comment 1 Jaroslav Kysela 2005-11-10 19:57:13 UTC

The oops is from yenta_config_init() function drivers/pcmcia/yenta_socket.c -
the PCI dev->subordinate member is NULL.

It seems that the 'pci=assign-busses' should be passed as the boot option, but for Acer TM81xx notebooks should be applied also this patch (I will try it) from 2.6 mainstream:

commit 12f44f46bc9c6dc79255e661b085797af395d8da
tree cec3ab7b0bfd7f90fba01b6fb6ecb896eed00079
parent bfab08c097df5f6a60dd07f0f8c78c54e725780b
author Ivan Kokshaysky <ink@jurassic.park.msu.ru> Thu, 22 Sep 2005 21:06:31 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Fri, 23 Sep 2005 08:05:16 -0700

    [PATCH] pci: fixup parent subordinate busnr

    I believe the change that broke things is introduction of
    pci_fixup_parent_subordinate_busnr().

    The patch here does two things:
    - hunk #1 should fix the problems you've seen when you boot without
    additional "pci" kernel options;
    - hunk #2 supposedly fixes boot with "pci=assign-busses" option which
    otherwise hangs Acer TM81xx machines as reported.

    Please try this with and without "pci=assign-busses". If it boots,
    I'd like to see 'lspci -vvx' for both cases.

    Signed-off-by: Andrew Morton <akpm@osdl.org>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Comment 2 Jaroslav Kysela 2005-11-11 10:38:34 UTC

Created attachment 57053 [details]
PCI subordinate initialization fix from the 2.6 mainstream

Comment 3 Jaroslav Kysela 2005-11-11 10:41:08 UTC

Created attachment 57055 [details]
Prevent Yenta pcmcia driver to hang machine when subordinate for the PCI device is NULL

Comment 4 Jaroslav Kysela 2005-11-11 10:50:13 UTC

Created attachment 57059 [details]
 57055: Prevent Yenta pcmcia driver to hang machine when subordinate for the PCI device is NULL v2

Comment 5 Jaroslav Kysela 2005-11-21 13:37:48 UTC

Seems like a dup of bug#113778, but the used DVD was 10.0 final from ftp.suse.com,  so probably the fixed kernel is not there.

Comment 6 Jaroslav Kysela 2006-01-03 10:28:47 UTC

This problem is fixed in upcoming 10.1 kernel.