On 06/25/2010 08:32 AM, Eric Blake wrote:
From: Eduardo Otubo<[email protected]>
Add the storage management driver to the Power Hypervisor driver.
This is a big but simple patch, it's just a new set of functions.
This patch includes:
* Storage driver: The set of pool-* and vol-* functions.
* attach-disk function.
* Support for IVM on the new functions.
Signed-off-by: Eric Blake<[email protected]>
<snip>
This commit is causing a segfault here when running "pool-list" in
unmodified virsh.
virConnectNumOfStoragePools() calls phypNumOfStoragePools(), which calls
phypExec(). In this case with session equaling NULL.
That's flowing through to libssh2_channel_open_ex(), which tries to
access data in the (NULL) session structure and segfaults.
Screenshots here, illustrating the problem session variable at each
point in the backtrace:
http://justinclift.fedorapeople.org/screenshots/screenshot0001.png
http://justinclift.fedorapeople.org/screenshots/screenshot0002.png
http://justinclift.fedorapeople.org/screenshots/screenshot0003.png
http://justinclift.fedorapeople.org/screenshots/screenshot0004.png
Note the "Target request failed: Cannot access memory at address
0x4700." in the bottom right of the screenshot0001.png file. That's
when it attempts to access the session->open_state value, causing the
segfault.
Rolling back 2 commits to this entry, makes the above segfault go away:
8914453 phyp: reduce scope of driver functions
Hope that helps.
Regards and best wishes,
Justin Clift
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Salasaga - Open Source eLearning IDE
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