Bug 5857
| Summary: | errors in ppp | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Victor (victor.noname) |
| Component: | Network | Assignee: | Jeff Garzik (jgarzik) |
| Status: | CLOSED PATCH_ALREADY_AVAILABLE | ||
| Severity: | normal | CC: | Matt_Domsch |
| Priority: | P2 | ||
| Hardware: | i386 | ||
| OS: | Linux | ||
| Kernel Version: | 2.6.15.1 | Subsystem: | |
| Regression: | --- | Bisected commit-id: | |
| Attachments: | here is patch fixing this error | ||
Here is lkml discussion thread: http://lkml.org/lkml/2006/1/15/113 Discussion thread it's good, but it's fixting speed low ( Created attachment 7086 [details]
here is patch fixing this error
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Most recent kernel where this bug did not occur: 2.6.14.5 Distribution: fedora core 4 with updates Hardware Environment: amd64 Software Environment: ppp 2.4.2-7 Problem Description: when use ppp with wvdial ppp doesn't work and in dmesg CSLIP: code copyright 1989 Regents of the University of California PPP generic driver version 2.4.2 skb_over_panic: text:ffffffff88052ce1 len:1 put:1 head:ffff81003e875000 data:ffff81013e875002 tail:ffff81013e875003 end:ffff81003e875600 dev:<NULL>----------- [cut here ] --------- [please bite here ] --------- Kernel BUG at net/core/skbuff.c:94 invalid operand: 0000 [1] CPU 0 Modules linked in: ppp_async ppp_generic slhc ohci_hcd ehci_hcd 8139too ne2k_pci 8390 usbcore sata_nv libata Pid: 3, comm: events/0 Not tainted 2.6.15 #18 RIP: 0010:[<ffffffff802618fb>] <ffffffff802618fb>{skb_over_panic+75} RSP: 0018:ffff81003fea9de8 EFLAGS: 00010092 RAX: 000000000000009a RBX: ffff81013e875002 RCX: ffffffff80311290 RDX: ffffffff80311290 RSI: 0000000000000001 RDI: ffff81003f978240 RBP: ffff810039b09800 R08: 0000000036357068 R09: ffff810037d410c0 R10: 0000000000000010 R11: 0000000000000010 R12: ffff8100396265d6 R13: ffff8100396261d6 R14: 0000000000000001 R15: 0000000000000003 FS: 00002aaaaaac19c0(0000) GS:ffffffff8039f800(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000003a30691c30 CR3: 0000000039ae9000 CR4: 00000000000006e0 Process events/0 (pid: 3, threadinfo ffff81003fea8000, task ffff81003ff80710) Stack: ffff81013e875003 ffff81003e875600 ffffffff802d8be3 ffff81013e875003 ffff81013e875003 ffffffff88052ce9 0000000000000b2b ffff810039626000 0000000000000202 ffff810039626000 Call Trace:<ffffffff88052ce9>{:ppp_async:ppp_asynctty_receive+496} <ffffffff80137db1>{worker_thread+0} <ffffffff80227e99>{flush_to_ldisc+192} <ffffffff80137f08>{worker_thread+343} <ffffffff801280d1>{default_wake_function+0} <ffffffff80137db1>{worker_thread+0} <ffffffff8013b2c2>{kthread+205} <ffffffff8010df5a>{child_rip+8} <ffffffff8013b1f5>{kthread+0} <ffffffff8010df52>{child_rip+0} Code: 0f 0b 68 16 4f 2e 80 c2 5e 00 48 83 c4 28 c3 51 49 89 d2 48 RIP <ffffffff802618fb>{skb_over_panic+75} RSP <ffff81003fea9de8> <6> Steps to reproduce: use wvdial with ppp and kernel 2.6.15, with 2.6.14.5 it work correctly