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Message-ID: <20071021055816.GA4204@inferi.kami.home> Date: Sun, 21 Oct 2007 14:58:17 +0900 From: Mattia Dongili <malattia@...ux.it> To: Andrew Morton <akpm@...ux-foundation.org> Cc: linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>, pavel@...e.cz Subject: mysqld prevents s2ram [Re: 2.6.23-mm1] On Thu, Oct 11, 2007 at 09:31:26PM -0700, Andrew Morton wrote: > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.23/2.6.23-mm1/ Ok, now that it boots let's go for more. I cannot suspend if mysqld is running. mysql isn't atually doing anything useful anyway. This is the failed suspend tasks dump of mysql: [ 0.000000] Linux version 2.6.23-mm1-1 (mattia@...amune) (gcc version 4.2.1 (Debian 4.2.1-3)) #5 SMP PREEMPT Sun Oct 21 13:50:54 JST 2007 ... [ 271.736214] PM: Preparing system for mem sleep [ 271.738185] Freezing user space processes ... [ 291.918090] Freezing of tasks failed after 20.19 seconds (1 tasks refusing to freeze): [ 291.918156] task PC stack pid father ... [ 292.043105] ======================= [ 292.043175] mysqld_safe D c03d40c0 0 2393 1 [ 292.043343] c26b3eac 00000082 c03d0eb0 c03d40c0 c011a850 c011a843 c2626aa0 c2626bd4 [ 292.043803] c17fd0c0 00000000 c26b3e88 c26cc380 c26b3ea8 c011b83a c26b3ea0 00000000 [ 292.044322] 08104d08 00000000 00000000 08104d08 00000000 c26b3eb8 c0141de0 c26b3fb8 [ 292.044843] Call Trace: [ 292.044969] [<c0141de0>] refrigerator+0xcf/0xdb [ 292.045091] [<c012b4d2>] get_signal_to_deliver+0x33/0x414 [ 292.045214] [<c01034e8>] do_notify_resume+0x81/0x61e [ 292.045335] [<c0103f06>] work_notifysig+0x13/0x19 [ 292.045456] ======================= [ 292.045524] mysqld D c03d40c0 0 2430 2393 [ 292.045692] c25d0eac 00000086 c03d0eb0 c03d40c0 c0119eb5 00000000 c1c98550 c1c98684 [ 292.046184] c18060c0 00000001 c25d0e88 c2603000 c25d0ea8 c011b83a c25d0ea0 00000000 [ 292.046705] 00000000 00000000 00000000 00000000 00000000 c25d0eb8 c0141de0 c25d0fb8 [ 292.047272] Call Trace: [ 292.049112] [<c0141de0>] refrigerator+0xcf/0xdb [ 292.049234] [<c012b4d2>] get_signal_to_deliver+0x33/0x414 [ 292.049357] [<c01034e8>] do_notify_resume+0x81/0x61e [ 292.049477] [<c0103f06>] work_notifysig+0x13/0x19 [ 292.049598] ======================= [ 292.049666] mysqld D c03d40c0 0 2433 2393 [ 292.049834] c3000eac 00000086 c03d0eb0 c03d40c0 00000000 00000000 c1c98aa0 c1c98bd4 [ 292.050306] c17fd0c0 00000000 c3000e88 c2603000 c3000ea8 c011b83a c3000ea0 00000000 [ 292.050827] 00000000 00000001 00000000 00000000 00000001 c3000eb8 c0141de0 c3000fb8 [ 292.051353] Call Trace: [ 292.051479] [<c0141de0>] refrigerator+0xcf/0xdb [ 292.051599] [<c012b4d2>] get_signal_to_deliver+0x33/0x414 [ 292.051721] [<c01034e8>] do_notify_resume+0x81/0x61e [ 292.051842] [<c0103f06>] work_notifysig+0x13/0x19 [ 292.051962] ======================= [ 292.052031] mysqld D c03d40c0 0 2434 2393 [ 292.052198] c27b6eac 00000086 c03d0eb0 c03d40c0 c02d95a9 c27b6e8c c1d76aa0 c1d76bd4 [ 292.052660] c17fd0c0 00000000 c27b6e88 c2603000 c27b6ea8 c011b83a c27b6ea0 00000000 [ 292.053179] 00000000 00000007 00000000 00000000 00000007 c27b6eb8 c0141de0 c27b6fb8 [ 292.053699] Call Trace: [ 292.053825] [<c0141de0>] refrigerator+0xcf/0xdb [ 292.053958] [<c012b4d2>] get_signal_to_deliver+0x33/0x414 [ 292.054081] [<c01034e8>] do_notify_resume+0x81/0x61e [ 292.054203] [<c0103f06>] work_notifysig+0x13/0x19 [ 292.054323] ======================= [ 292.054392] mysqld D c03d40c0 0 2435 2393 [ 292.054560] c26b2eac 00000086 c03d0eb0 c03d40c0 c0119eb5 00000000 c1c42ff0 c1c43124 [ 292.055028] c18060c0 00000001 c26b2e88 c2603000 c26b2ea8 c011b83a c26b2ea0 00000000 [ 292.055548] 00000000 00000013 00000000 00000000 00000013 c26b2eb8 c0141de0 c26b2fb8 [ 292.056087] Call Trace: [ 292.056214] [<c0141de0>] refrigerator+0xcf/0xdb [ 292.056335] [<c012b4d2>] get_signal_to_deliver+0x33/0x414 [ 292.056458] [<c01034e8>] do_notify_resume+0x81/0x61e [ 292.056579] [<c0103f06>] work_notifysig+0x13/0x19 [ 292.056700] ======================= [ 292.056769] mysqld D c03d40c0 0 2436 2393 [ 292.056937] c2776eac 00000086 c03d0eb0 c03d40c0 c02d95a9 c2776e8c c26a7a90 c26a7bc4 [ 292.057398] c17fd0c0 00000000 c2776e88 c2603000 c2776ea8 c011b83a c2776ea0 00000000 [ 292.057930] 00000000 00000003 00000000 00000000 00000003 c2776eb8 c0141de0 c2776fb8 [ 292.058450] Call Trace: [ 292.058576] [<c0141de0>] refrigerator+0xcf/0xdb [ 292.058696] [<c012b4d2>] get_signal_to_deliver+0x33/0x414 [ 292.058819] [<c01034e8>] do_notify_resume+0x81/0x61e [ 292.058945] [<c0103f06>] work_notifysig+0x13/0x19 [ 292.059065] ======================= [ 292.059134] mysqld D c03d40c0 0 2438 2393 [ 292.059301] c254deac 00000086 c03d0eb0 c03d40c0 00000000 00000000 c1c9fa90 c1c9fbc4 [ 292.059762] c18060c0 00000001 c254de88 c2603000 c254dea8 c011b83a c254dea0 00000000 [ 292.060281] 00000000 b3435390 00000000 00000000 b3435390 c254deb8 c0141de0 c254dfb8 [ 292.060801] Call Trace: [ 292.060927] [<c0141de0>] refrigerator+0xcf/0xdb [ 292.061047] [<c012b4d2>] get_signal_to_deliver+0x33/0x414 [ 292.061169] [<c01034e8>] do_notify_resume+0x81/0x61e [ 292.061290] [<c0103f06>] work_notifysig+0x13/0x19 [ 292.061411] ======================= [ 292.061479] mysqld D c03d40c0 0 2439 2393 [ 292.061648] c254feac 00000086 c03d0eb0 c03d40c0 00000000 00000000 c26a6000 c26a6134 [ 292.062122] c18060c0 00000001 c254fe88 c2603000 c254fea8 c011b83a c254fea0 00000000 [ 292.062642] 00000000 b2c34380 00000000 00000000 b2c34380 c254feb8 c0141de0 c254ffb8 [ 292.063168] Call Trace: [ 292.063294] [<c0141de0>] refrigerator+0xcf/0xdb [ 292.063414] [<c012b4d2>] get_signal_to_deliver+0x33/0x414 [ 292.063536] [<c01034e8>] do_notify_resume+0x81/0x61e [ 292.063659] [<c0103f06>] work_notifysig+0x13/0x19 [ 292.063779] ======================= [ 292.063847] mysqld D c03d40c0 0 2440 2393 [ 292.064016] c30a7eac 00000086 c03d0eb0 c03d40c0 c02d95a9 c30a7e8c c1ca2ff0 c1ca3124 [ 292.064476] c17fd0c0 00000000 c30a7e88 c2603000 c30a7ea8 c011b83a c30a7ea0 00000000 [ 292.064997] 00000000 00000003 00000000 00000000 00000003 c30a7eb8 c0141de0 c30a7fb8 [ 292.065518] Call Trace: [ 292.065643] [<c0141de0>] refrigerator+0xcf/0xdb [ 292.065764] [<c012b4d2>] get_signal_to_deliver+0x33/0x414 [ 292.065898] [<c01034e8>] do_notify_resume+0x81/0x61e [ 292.066020] [<c0103f06>] work_notifysig+0x13/0x19 [ 292.066162] ======================= [ 292.066232] mysqld S c03d40c0 0 2441 2393 [ 292.066401] c2ff0ec4 00000086 c03d0eb0 c03d40c0 c25d0e88 c04fd0c0 c1ca2aa0 c1ca2bd4 [ 292.066862] c18060c0 00000001 c02d9534 c2603000 c013bcd3 ffffe51d 00000003 00000000 [ 292.067388] 00000000 00000000 7fffffff 00000000 7fffffff c2ff0f04 c02d82dd c2ff0ef0 [ 292.067909] Call Trace: [ 292.068035] [<c02d82dd>] schedule_timeout+0x16/0x8b [ 292.068155] [<c02d837e>] schedule_timeout_interruptible+0x15/0x17 [ 292.068279] [<c012bf82>] sys_rt_sigtimedwait+0x131/0x203 [ 292.068401] [<c0103e02>] sysenter_past_esp+0x5f/0x85 [ 292.068521] ======================= [ 292.068590] mysqld D c03d40c0 0 2444 2393 [ 292.068758] c27a1eac 00000086 c03d0eb0 c03d40c0 c2ff1cc0 c02f2b7c c2c67540 c2c67674 [ 292.069219] c17fd0c0 00000000 c27a1e88 c2603000 c27a1ea8 c011b83a c27a1ea0 00000000 [ 292.069739] 00000000 0000000b 00000000 00000000 0000000b c27a1eb8 c0141de0 c27a1fb8 [ 292.070273] Call Trace: [ 292.070399] [<c0141de0>] refrigerator+0xcf/0xdb [ 292.070520] [<c012b4d2>] get_signal_to_deliver+0x33/0x414 [ 292.070644] [<c01034e8>] do_notify_resume+0x81/0x61e [ 292.070764] [<c0103f06>] work_notifysig+0x13/0x19 ... [ 292.293751] ======================= [ 292.293819] s2ram R running 0 3804 3803 [ 292.294003] mysqld [ 292.294085] [ 292.294150] Restarting tasks ... <7>PM: Adding info for No Bus:vcs63 [ 292.294669] done. As suggested in a different post I'll try reverting freezer-use-wait-queue-instead-of-busy-looping.patch and re-test -- mattia :wq! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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