Red Hat Bugzilla – Bug 209245
Boot process hangs while loading io shceduler for 64 bit versions of 2187 (Core 5) and Test 3 (Core 6)
Last modified: 2008-08-02 19:40:33 EDT
Description of problem: Using 64-bit versions, system (HP a1610n - dual AMD 64bit) hangs during boot load at io scheduler cfg registered (default) with 2.617-1.2187-FC5 64 bit and FC^ Test 3. Version 2.615-1.2054-FC5 64 bit does not display this problem. Version-Release number of selected component (if applicable): 32bit versions do not display this problem. How reproducible: Steps to Reproduce: 1. Install 2054 Core 5 Release 2. Update kernel to 2187 3. Reboot - hang occurs at previously mentioned location Actual results: Expected results: Additional info:
*** Bug 209246 has been marked as a duplicate of this bug. ***
can you boot with the option initcall_debug and see what the last line that gets dumped says (if different to above?) If cfq was broken I'd expect a more widespread problem, so it's likely that it's silently blowing up in whatever gets initialised after cfq.
Created attachment 140978 [details] hanged boot with initcall_debug Here is a picture from such hang with 2.6.18-1.2239.fc5. A kernel on an FC6 installer is doing that too. It is actually quite possible that this is the same as bug 212172 (and maybe a fixed BIOS, if available, is an answer).
some things to try.. pci=nommconf pci=nomsi
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