lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 16 Aug 2010 21:12:18 -0700 (PDT) From: David Miller <davem@...emloft.net> To: linux-kernel@...r.kernel.org CC: torvalds@...ux-foundation.org Subject: tasks getting stuck on mmap_sem? I just started seeing this with current GIT, is it related to the page table locking shuffle of a few days ago? [21029.265646] INFO: task git:16643 blocked for more than 120 seconds. [21029.267054] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [21029.268412] git D 000000000072f804 0 16643 16273 0x210001101000080 [21029.269809] Call Trace: [21029.271062] [000000000072f778] rwsem_down_failed_common+0x90/0xb8 [21029.272390] [000000000072f804] __down_read+0x30/0x40 [21029.273689] [0000000000731148] do_sparc64_fault+0x238/0x788 [21029.274996] [00000000004079e8] sparc64_realfault_common+0x10/0x20 [21029.276347] INFO: task git:16644 blocked for more than 120 seconds. [21029.277655] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [21029.278993] git D 000000000072f874 0 16644 16273 0x210041101000080 [21029.280348] Call Trace: [21029.281542] [000000000072f778] rwsem_down_failed_common+0x90/0xb8 [21029.282818] [000000000072f874] __down_write+0x34/0x44 [21029.284057] [00000000004d9c44] SyS_mmap_pgoff+0xc8/0x118 [21029.285293] [0000000000406154] linux_sparc_syscall32+0x34/0x40 ... etc. it's a set of git threads computing deltas for a remote pull request to the machine. -- 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/
Powered by blists - more mailing lists