August 2007 - Darwin-kernel

Re: Darwin-kernel Digest, Vol 4, Issue 183
by Jason Seng 15 Aug '07

15 Aug '07

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Re: Filtering disk vs. partitions
by Eric Long 15 Aug '07

15 Aug '07

site_archiver(a)lists.apple.com Delivered-To: darwin-kernel(a)lists.apple.com Thread-index: AcffV905G7eaektLEdyX2QAX8si2KA== Thread-topic: Filtering disk vs. partitions User-agent: Microsoft-Entourage/11.3.6.070618 > It looks OK at first blush. You don't have a probe score; is > your ::probe method being called? My probe method is not being called with a provider that my isWholeDevice() method returns true for, but is being called for partitions. Eric _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.… This email sent to site_archiver(a)lists.apple.com

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Re: Filtering disk vs. partitions
by Michael Smith 14 Aug '07

14 Aug '07

site_archiver(a)lists.apple.com Delivered-To: darwin-kernel(a)lists.apple.com On Aug 13, 2007, at 2:29 PM, Eric Long wrote: Hmm... What's the matching dict in your Info.plist look like? Depending on your match, you may be filtering them out accidently/ incidentally. It looks like this: <key>MyCompany_Filter</key> <dict> <key>CFBundleIdentifier</key> <string>com.myCompany.driver.myFilter</string> <key>IOClass</key> <string>com_myCompany_driver_myFilter</string> <key>IOMatchCategory</key> <string>IOStorage</string> <key>IOProviderClass</key> <string>IOMedia</string> </dict> = Mike _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.… I believe this is where the problem lies, but I'm not clear on the solution. I figured this would be wide open. It looks OK at first blush. You don't have a probe score; is your ::probe method being called? This email sent to site_archiver(a)lists.apple.com

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Re: Filtering disk vs. partitions
by Eric Long 13 Aug '07

13 Aug '07

site_archiver(a)lists.apple.com Delivered-To: darwin-kernel(a)lists.apple.com Thread-index: Acfd8RkFV96iFknkEdyuuQAX8si2KA== Thread-topic: Filtering disk vs. partitions User-agent: Microsoft-Entourage/11.3.6.070618 > Hmm... What's the matching dict in your Info.plist look like? > Depending on your match, you may be filtering them out accidently/ > incidentally. > I believe this is where the problem lies, but I'm not clear on the solution. It looks like this: <key>MyCompany_Filter</key> <dict> <key>CFBundleIdentifier</key> <string>com.myCompany.driver.myFilter</string> <key>IOClass</key> <string>com_myCompany_driver_myFilter</string> <key>IOMatchCategory</key> <string>IOStorage</string> <key>IOProviderClass</key> <string>IOMedia</string> </dict> I figured this would be wide open. > > -I'd suggest replacing your OSBoolean cast with an OSDynamicCast. A > little extra robustness is always good in the kernel... > Good point. It's unlikely to be an issue here, but nonetheless, a better choice. Eric _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.… This email sent to site_archiver(a)lists.apple.com

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Live Kernel Debugging
by Arvind Dalvi 13 Aug '07

13 Aug '07

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Re: Filtering disk vs. partitions
by Kevin Elliott 11 Aug '07

11 Aug '07

site_archiver(a)lists.apple.com Delivered-To: darwin-kernel(a)lists.apple.com On Aug 10, 2007, at 9:59:59AM, Eric Long wrote: Yes. One of the registry properties on IOMedia objects is "Whole" with a boolean value. true is (generally) a disk, false is a slice/partition. Possible Exception: I'd have to do some further testing, but some RAID drivers may show the merged of 2 (or more) disks as whole. I'm using this code to check: bool com_myCompany_driver_MyDriver::isWhole( IOService *object ) { bool result = false; OSBoolean *val = (OSBoolean*)(object->copyProperty("Whole", gIOServicePlane)); if (val != NULL) { result = val->isTrue(); val->release(); } return result; } _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.… See, that's the thing. I'm not seeing anything sent to probe that has Whole set to true. Hmm... What's the matching dict in your Info.plist look like? Depending on your match, you may be filtering them out accidently/ incidentally. Couple comments: -I assume your passing your parent, not yourself into isWhole? For maximum robustness you might also consider doing a search below you for the first "Whole" property below you. -I'd suggest replacing your OSBoolean cast with an OSDynamicCast. A little extra robustness is always good in the kernel... This email sent to site_archiver(a)lists.apple.com

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Re: Filtering disk vs. partitions
by Eric Long 10 Aug '07

10 Aug '07

site_archiver(a)lists.apple.com Delivered-To: darwin-kernel(a)lists.apple.com Thread-index: Acfbb+JtIRzYekdjEdywDQAX8si2KA== Thread-topic: Filtering disk vs. partitions User-agent: Microsoft-Entourage/11.3.6.070618 > Yes. One of the registry properties on IOMedia objects is "Whole" > with a boolean value. > > true is (generally) a disk, false is a slice/partition. > > Possible Exception: I'd have to do some further testing, but some > RAID drivers may show the merged of 2 (or more) disks as whole. See, that's the thing. I'm not seeing anything sent to probe that has Whole set to true. I'm using this code to check: bool com_myCompany_driver_MyDriver::isWhole( IOService *object ) { bool result = false; OSBoolean *val = (OSBoolean*)(object->copyProperty("Whole", gIOServicePlane)); if (val != NULL) { result = val->isTrue(); val->release(); } return result; } Eric _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.… This email sent to site_archiver(a)lists.apple.com

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What Spotlight really does
by Alexander Obuschenko 10 Aug '07

10 Aug '07

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nonfunctional libSystem.B.dylib, ver.
by Max B 09 Aug '07

09 Aug '07

site_archiver(a)lists.apple.com Delivered-To: darwin-kernel(a)lists.apple.com Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.ca; h=X-YMail-OSG:Received:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID; b=bztqYPAJLbj+VOFr7h+Uezl2oBUX3MrGV3JBZb57mTYYM83SO23gehwqXVEJzwuGeBBw5t1yRreQrQ9qFFOiiLv1eidmLP2k0woouGK92isRl8eTEgO1rYCsTv+1hVr0N7GQjylqzV86OvhVuR8Fe4NZKVRYV9I4hgA5PxIorLM=; Dear All, Thanks in advance for the help. (I don't know if I'm posting to the right group. Can someone help me to find the right group?) The file libSystem.B.dylib throws the error that follows: dyld: Library not loaded: /usr/lib/libSystem.B.dylib Reason: no suitable image found. Did find: /usr/lib/libSystem.B.dylib: not a dylib /usr/lib/libSystem.B.dylib: not a dylib Trace/BPT trap The version number is: % otool -Lv ewing .... /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 88.3.9) time stamp 1183402007 Mon Jul 2 14:46:47 2007 The list was changed on 2 Jul 2007: % ls -l /usr/lib/libSystem.B.dylib -r-xr-xr-x 1 root wheel 8000260 Jul 2 14:47 /usr/lib/libSystem.B.dylib I would like to revert to a fully functional libSystem.B.dylib. Can I revert to my Apple Install CD image version *on this file alone*? I know I did not get similar errors in the past... before July 2. How do I revert back to a previous version of the file? Can I pin the version so that it does NOT upgrade to a faulty version? TIA. Get a sneak peak at messages with a handy reading pane with All new Yahoo! Mail: http://mrd.mail.yahoo.com/try_beta?.intl=ca _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.… This email sent to site_archiver(a)lists.apple.com

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Kextcache problem
by Julien Ramseier 09 Aug '07

09 Aug '07

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