Hello! Tobias Jakobi wrote: > Hello Krzysztof, > > On 2015-02-17 14:24, Krzysztof Kozlowski wrote: >> Looking at the backtrace this seems very likely however I have >> troubles reproducing this. Any special tree or config is required >> (except MMC_CLKGATE and DEBUG_ATOMIC_SLEEP)? >> >> Best regards, >> Krzysztof > The kernel was build with this config: > https://github.com/tobiasjakobi/odroid-environment/blob/master/sourcecode/system/vanilla-3.19-debug.conf > > > I didn't have DEBUG_ATOMIC_SLEEP enabled back then, but I could try to > reproduce it again. This issue is still happening with 4.0.0-rc4. [ 7.336824] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97 [ 7.336832] in_atomic(): 1, irqs_disabled(): 128, pid: 796, name: mmcqd/0 [ 7.336838] Preemption disabled at:[<c038ce44>] sdhci_do_set_ios+0x24/0x6a0 [ 7.336883] CPU: 0 PID: 796 Comm: mmcqd/0 Not tainted 4.0.0-rc4-debug+ #3 [ 7.336889] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 7.336894] Backtrace: [ 7.336921] [<c0012444>] (dump_backtrace) from [<c001265c>] (show_stack+0x18/0x1c) [ 7.336925] r6:c06cd554 r5:ffffffff r4:00000000 r3:dc8ba200 [ 7.336951] [<c0012644>] (show_stack) from [<c04d1d0c>] (dump_stack+0x88/0xc8) [ 7.336966] [<c04d1c84>] (dump_stack) from [<c00491bc>] (___might_sleep+0x14c/0x1cc) [ 7.336970] r6:00000000 r5:ffff1b58 r4:00000000 r3:ed9fe000 [ 7.336983] [<c0049070>] (___might_sleep) from [<c00492a4>] (__might_sleep+0x68/0xa0) [ 7.336987] r5:00000061 r4:c05e0440 [ 7.337002] [<c004923c>] (__might_sleep) from [<c04d6bb4>] (mutex_lock+0x24/0x44) [ 7.337006] r7:ed9ba668 r6:00000002 r5:02faf080 r4:c06dc3c0 [ 7.337031] [<c04d6b90>] (mutex_lock) from [<c03b0870>] (clk_prepare_lock+0x58/0x100) [ 7.337035] r4:c071b574 r3:ee0e5f00 [ 7.337047] [<c03b0818>] (clk_prepare_lock) from [<c03b1620>] (clk_round_rate+0x1c/0x40) [ 7.337051] r5:02faf080 r4:ed9a4080 [ 7.337064] [<c03b1604>] (clk_round_rate) from [<c038eb68>] (sdhci_s3c_set_clock+0x1d8/0x1fc) [ 7.337068] r5:ed9ba3c0 r4:02faf080 [ 7.337078] [<c038e990>] (sdhci_s3c_set_clock) from [<c038ebe8>] (sdhci_cmu_set_clock+0x5c/0x1cc) [ 7.337082] r9:eda48c14 r8:60010053 r7:ee294e00 r6:ed9ba000 r5:02faf080 r4:ed9ba3c0 [ 7.337098] [<c038eb8c>] (sdhci_cmu_set_clock) from [<c038cf04>] (sdhci_do_set_ios+0xe4/0x6a0) [ 7.337102] r9:eda48c14 r8:60010053 r7:ed9ba4d8 r6:ed9ba000 r5:ed9ba2b8 r4:ed9ba3c0 [ 7.337118] [<c038ce20>] (sdhci_do_set_ios) from [<c038d4f0>] (sdhci_set_ios+0x30/0x3c) [ 7.337122] r10:ed9ffe8c r9:eda48c14 r8:ee118820 r7:eda48d5c r6:02faf080 r5:ed9ba2b8 [ 7.337135] r4:ed9ba000 r3:c06e73e8 [ 7.337158] [<c038d4c0>] (sdhci_set_ios) from [<c0377e9c>] (__mmc_set_clock+0x74/0x78) [ 7.337162] r5:ed9ba2b8 r4:ed9ba000 [ 7.337173] [<c0377e28>] (__mmc_set_clock) from [<c0377ef8>] (mmc_ungate_clock+0x28/0x30) [ 7.337177] r6:ed9ba258 r5:ed9ba248 r4:ed9ba000 r3:00000000 [ 7.337194] [<c0377ed0>] (mmc_ungate_clock) from [<c037a5b4>] (mmc_host_clk_hold+0x50/0x7c) [ 7.337202] [<c037a564>] (mmc_host_clk_hold) from [<c03760a8>] (mmc_pre_req+0x2c/0x50) [ 7.337206] r6:eda48c4c r5:00000001 r4:ed9ba000 r3:c0389aac [ 7.337220] [<c037607c>] (mmc_pre_req) from [<c0376f90>] (mmc_start_req+0x38/0x368) [ 7.337224] r6:ee118820 r5:00000000 r4:ed9ba000 r3:eda48c48 [ 7.337238] [<c0376f58>] (mmc_start_req) from [<c0386a14>] (mmc_blk_issue_rw_rq+0xcc/0xaf4) [ 7.337242] r10:eda39000 r9:eda48c14 r8:ee118820 r7:00000000 r6:ee118820 r5:00000000 [ 7.337255] r4:eda48c4c [ 7.337263] [<c0386948>] (mmc_blk_issue_rw_rq) from [<c0387540>] (mmc_blk_issue_rq+0x104/0x4d8) [ 7.337267] r10:24590000 r9:eda48c14 r8:eda48c00 r7:eda48c00 r6:ee118820 r5:eda39000 [ 7.337279] r4:eda48c14 [ 7.337287] [<c038743c>] (mmc_blk_issue_rq) from [<c0388854>] (mmc_queue_thread+0xd0/0x18c) [ 7.337291] r10:ed9fe000 r9:eda48c14 r8:00000001 r7:ee118820 r6:24590000 r5:00000000 [ 7.337304] r4:eda60000 [ 7.337319] [<c0388784>] (mmc_queue_thread) from [<c0044084>] (kthread+0xf4/0x110) [ 7.337322] r10:00000000 r9:00000000 r8:00000000 r7:c0388784 r6:eda48c14 r5:00000000 [ 7.337335] r4:ee1020c0 [ 7.337345] [<c0043f90>] (kthread) from [<c000eca0>] (ret_from_fork+0x14/0x34) [ 7.337348] r7:00000000 r6:00000000 r5:c0043f90 r4:ee1020c0 With best wishes, Tobias -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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