Bug 432677
Summary: | [RHEL5 RT] kernel-rt BUG: unable to handle kernel NULL pointer dereference.....EIP is at pick_next_task_fair | ||
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Product: | Red Hat Enterprise MRG | Reporter: | Jeff Burke <jburke> |
Component: | realtime-kernel | Assignee: | Peter Zijlstra <pzijlstr> |
Status: | CLOSED NOTABUG | QA Contact: | |
Severity: | high | Docs Contact: | |
Priority: | medium | ||
Version: | 1.0 | CC: | bhu, lwang, williams |
Target Milestone: | --- | ||
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
URL: | http://rhts.redhat.com/testlogs/15393/53889/441346/1946375-test_log--CoreOS-super-smack-EXTERNALWATCHDOG | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | Bug Fix | |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2008-05-27 22:12:34 UTC | Type: | --- |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: |
Description
Jeff Burke
2008-02-13 19:36:50 UTC
This has been reproduced on hp-dl360g5-02.rhts.boston.redhat.com but the trace back is a little different. Unable to handle kernel NULL pointer dereference at 0000000000000060 RIP: [<ffffffff80231807>] pick_next_task_fair+0x2d/0x3f PGD 3d5c1067 PUD 3e029067 PMD 0 Oops: 0000 [1] PREEMPT SMP CPU 7 Modules linked in: nfs lockd nfs_acl autofs4 i2c_dev i2c_core hidp rfcomm l2cap bluetooth sunrpc ipv6 dm_multipath video output sbs sbshc dock battery ac parport_pc lp parport bnx2 serio_raw button ipmi_si ipmi_msghandler iTCO_wdt iTCO_vendor_support pata_acpi ata_generic pcspkr i5000_edac shpchp edac_core dm_snapshot dm_zero dm_mirror dm_mod ata_piix libata cciss sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd ssb uhci_hcd Pid: 0, comm: swapper Not tainted 2.6.24.1-24.el5rt #1 RIP: 0010:[<ffffffff80231807>] [<ffffffff80231807>] pick_next_task_fair+0x2d/0x3f RSP: 0018:ffff81003f16bdf8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000bb577a94 RDX: ffff81003f166b10 RSI: ffff81003f166b10 RDI: ffff8100010817e0 RBP: ffff81003f16be08 R08: 0000000000000000 R09: 000000000000003c R10: ffff81000107e890 R11: ffff81003f16bed8 R12: 0000000000000007 R13: 00000000000000ff R14: ffff810001081780 R15: 0000000000000007 FS: 0000000000000000(0000) GS:ffff81003f0b4440(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000060 CR3: 000000003b8f1000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 0, threadinfo ffff81003f16a000, task ffff81003f166b10) Stack: 00000000000000ff ffffffff8020ad4b ffff81003f16bee8 ffffffff804a4cbd ffffffff805f48b0 ffffffffffffff10 ffffffff80215f49 ffff81003f1492a0 0000000000000246 ffff81003f166b10 ffff81003f16be88 ffff81003f166db0 Call Trace: [<ffffffff8020ad4b>] poll_idle+0x0/0x9 [<ffffffff804a4cbd>] __schedule+0x43e/0x78d [<ffffffff80215f49>] mce_idle_callback+0x24/0x2a [<ffffffff8027dbc5>] __rcu_read_unlock+0x5a/0x5c [<ffffffff804a8edc>] __atomic_notifier_call_chain+0x44/0x53 [<ffffffff8020ad4b>] poll_idle+0x0/0x9 [<ffffffff8020ad4b>] poll_idle+0x0/0x9 [<ffffffff8020aec0>] cpu_idle+0xdc/0xee [<ffffffff802210f2>] start_secondary+0x3d9/0x3e7 Code: 48 8b 7b 60 48 85 ff 75 e0 48 8d 43 b8 41 58 5b c9 c3 55 48 RIP [<ffffffff80231807>] pick_next_task_fair+0x2d/0x3f RSP <ffff81003f16bdf8> CR2: 0000000000000060 http://rhts.redhat.com/cgi-bin/rhts/test_log.cgi?id=1964762 have we seen this bug with the 2.6.24.4-x series of kernels? Clark I'm tempted to close this one as NOTABUG, since we haven't seen it since February. closing |